CN222094665U - Mould opening and closing mechanism of core shooter - Google Patents

Abstract

The utility model discloses a die opening and closing mechanism of a core shooting machine, which comprises a workbench, wherein the upper end surface of the workbench is fixedly provided with a movable frame through a supporting mechanism, a double-head screw is rotatably arranged in the movable frame, the outer wall of the movable frame is fixedly provided with a motor connected with the double-head screw, the outer wall of the double-head screw is provided with two movable sleeves through a limiting mechanism in a threaded manner, the outer walls of the two movable sleeves are fixedly connected with a die through a connecting mechanism, and the outer walls of the two dies are fixedly provided with connecting plates. According to the utility model, by arranging the extrusion plate, the extrusion block, the push rod, the push plate and other components, the die can drive the push rod to move through the cooperation of the supporting plate, and the push rod drives the extrusion block to contact with the extrusion plate, so that the extrusion block is forced to drive the push rod to move and extrude the reset spring, and then the push rod drives the push plate to move, and the moving push plate can release the cooled and molded material from the die, so that the demolding of the molded material can be facilitated.

Description

Mould opening and closing mechanism of core shooter

Technical Field

The utility model relates to the technical field of core shooting machines, in particular to an opening and closing die mechanism of a core shooting machine.

Background

The core shooter is mechanical equipment for the casting industry, is mainly used for manufacturing a precoated sand core, utilizes the hot core box principle, uses phenolic resin precoated sand as a raw material, and has the advantages of high production efficiency, accurate product size and smooth appearance.

The existing precoated sand core shooter needs to manually take out the sand core from the sand core die after the sand core is manufactured, the sand core is damaged due to the fact that the sand core is easy to touch and press when the sand core is manually taken out, the temperature is high when the sand core is machined, the cooling speed is low, the casting efficiency is greatly reduced, and the practicality is insufficient. Therefore, it is necessary to design a mold opening and closing mechanism of the core shooter in order to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a die opening and closing mechanism of a core shooting machine.

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

The utility model provides a mould mechanism opens and shuts of core shooter, includes the workstation, workstation up end has movable frame through supporting mechanism fixed mounting, movable frame inside rotates installs double-end screw rod, movable frame outer wall fixed mounting has the motor of being connected with double-end screw rod, double-end screw rod outer wall has two movable sleeves through stop gear screw thread installation, two movable sleeve outer wall all has the mould through linking mechanism fixedly connected with, two the equal fixed mounting of mould outer wall has the connecting plate, two the equal fixed mounting of connecting plate inner wall has sealed pad, two the equal slidable mounting of mould has the push pedal, two the equal slidable mounting of mould outer wall has the push rod through backup pad slidable mounting, two the push rod tip all slides and runs through to the mould inside, two the push rod tip respectively with homonymous push pedal outer wall fixed connection, two equal fixed mounting of push rod outer wall has the extrusion piece, two the extrusion piece inner wall all is connected with homonymous backup pad outer wall through canceling release mechanism, two the equal fixed mounting of connecting plate with homonymous extrusion piece complex extrusion piece, two mould outer wall equal fixed mounting has the equal fixed mounting of backup pad, the equal buffer tank side has the buffer board, the buffer tank bottom is equipped with the buffer.

Preferably, the supporting mechanism comprises two supporting rods fixedly arranged on the upper end face of the workbench, and the end parts of the two supporting rods are fixedly connected with the outer bottom wall of the movable frame.

Preferably, the limiting mechanism comprises a limiting rod fixedly installed inside the movable frame, and the limiting rod penetrates through the two movable sleeves in a sliding mode.

Preferably, the engagement mechanism comprises an engagement rod fixedly arranged on the outer wall of the movable sleeve, and the end part of the engagement rod is fixedly connected with the outer wall of the die.

Preferably, the reset mechanism comprises a reset spring arranged on the outer wall of the push rod, and two ends of the reset spring are respectively and elastically connected with the outer wall of the support plate and the inner wall of the extrusion block.

Preferably, the buffer gear includes a plurality of spring telescopic links of fixed mounting at the dashpot diapire, every spring telescopic link flexible end all with buffer board diapire fixed connection.

The utility model has the beneficial effects that:

1. Through setting up the subassembly such as extrusion board, extrusion piece, push rod and push pedal, the cooperation of mould accessible backup pad drives the push rod and removes, and the push rod drives extrusion piece and extrusion board contact again, can make extrusion piece atress drive the push rod remove and extrude reset spring from this, and the push rod drives the push pedal again and removes, and the push pedal of removal can deviate from the mould with the fashioned material of cooling, can be convenient for the drawing of patterns of shaping material from this.

2. Through setting up subassemblies such as semiconductor refrigerator, spring telescopic link and buffer board, the semiconductor refrigerator can refrigerate the cooling to the mould outer wall, can increase the cooling rate of the inside molten material of mould through the transmission of temperature to improve fashioned speed, the buffer board can bear the weight of the material, and the buffering is absorbed to the elasticity that the buffer board receives through a plurality of spring telescopic links, can avoid the material impaired deformation when the drawing of patterns from this.

Drawings

Fig. 1 is a schematic structural diagram of a mold opening and closing mechanism of a core shooter according to the present utility model;

Fig. 2 is a schematic top view of a mold opening and closing mechanism of a core shooter according to the present utility model;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

Fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

In the figure, a workbench, a supporting rod 2, a movable frame 3, a double-headed screw 4, a motor 5, a limiting rod 6, a movable sleeve 7, a connecting rod 8, a die 9, a connecting plate 10, a sealing pad 11, a pushing plate 12, a supporting plate 13, a pushing rod 14, a squeezing block 15, a return spring 16, a squeezing plate 17, a semiconductor refrigerator 18, a spring telescopic rod 19 and a buffer plate 20 are arranged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a die opening and closing mechanism of a core shooter comprises a workbench 1, wherein a movable frame 3 is fixedly arranged on the upper end surface of the workbench 1 through a supporting mechanism, the supporting mechanism comprises two supporting rods 2 fixedly arranged on the upper end surface of the workbench 1, the end parts of the two supporting rods 2 are fixedly connected with the outer bottom wall of the movable frame 3, a double-head screw 4 is rotatably arranged in the movable frame 3, a motor 5 connected with the double-head screw 4 is fixedly arranged on the outer wall of the movable frame 3, two movable sleeves 7 are arranged on the outer wall of the double-head screw 4 through a limiting mechanism thread, the limiting mechanism comprises a limiting rod 6 fixedly arranged in the movable frame 3, the limiting rod 6 penetrates through the two movable sleeves 7 in a sliding mode, and the limiting rod 6 can limit the two movable sleeves 7, so that the two movable sleeves 7 can axially move only along the outer wall of the double-head screw 4.

The outer walls of the two movable sleeves 7 are fixedly connected with the dies 9 through the connecting mechanisms, the connecting mechanisms comprise connecting rods 8 fixedly installed on the outer walls of the movable sleeves 7, the end parts of the connecting rods 8 are fixedly connected with the outer walls of the dies 9, connecting plates 10 are fixedly installed on the outer walls of the two dies 9, sealing gaskets 11 are fixedly installed on the inner walls of the two connecting plates 10, the sealing gaskets 11 are made of vulcanized rubber, the vulcanized rubber is non-sticky and difficult to break, rubber products are made of the rubber, the rubber products are high in elasticity, heat resistance, tensile strength, insoluble in organic solvents and the like, push plates 12 are slidably installed inside the two dies 9, push rods 14 are slidably installed on the outer walls of the two dies 9 through supporting plates 13, the end parts of the two push rods 14 are slidably penetrated into the dies 9, and the end parts of the two push rods 14 are fixedly connected with the outer walls of the push plates 12 on the same side respectively.

The two push rods 14 are fixedly provided with extrusion blocks 15 on the outer walls, the inner walls of the two extrusion blocks 15 are connected with the outer wall of the supporting plate 13 on the same side through a reset mechanism, the reset mechanism comprises a reset spring 16 arranged on the outer wall of the push rod 14, two ends of the reset spring 16 are respectively and elastically connected with the outer wall of the supporting plate 13 and the inner wall of the extrusion block 15, the upper end face of the workbench 1 is fixedly provided with two extrusion plates 17 matched with the extrusion blocks 15 on the same side, the outer walls of the two dies 9 are fixedly provided with semiconductor refrigerators 18, the semiconductor refrigerators 18 do not use refrigerants, no leakage exists, the environment is not polluted, the semiconductor refrigerators 18 are high in action speed, reliable in work, long in service life and easy to control, the adjustment is convenient, the refrigerating capacity of the regulator is adjusted through adjusting working current, the upper end face of the workbench 1 is provided with a buffer groove, the bottom wall of the buffer groove is fixedly provided with a buffer plate 20 through the buffer mechanism, and the buffer mechanism comprises a plurality of spring telescopic rods 19 fixedly arranged on the bottom wall of the buffer groove, and the telescopic ends of each spring telescopic rod 19 are fixedly connected with the bottom wall of the buffer plate 20.

When the utility model is used, the motor 5 drives the double-headed screw 4 to rotate, the double-headed screw 4 drives the two movable sleeves 7 to move through being matched with the limit rod 6, the two movable sleeves 7 are matched with the connecting rod 8 to bring the two dies 9 close to each other for die assembly, and the two sealing gaskets 11 can be mutually extruded during die assembly, so that the tightness between the two dies 9 can be improved, and the semiconductor refrigerator 18 can cool the outer wall of the die 9 during material cooling and forming, and the cooling speed of molten materials in the die 9 can be increased through temperature transmission, so that the forming speed is improved.

When the material is cooled and molded for demolding, the motor 5 drives the double-headed screw 4 to rotate, so that the two molds 9 can be driven to be away from each other, in the moving process of the molds 9, the push rod 14 is driven by the cooperation of the supporting plate 13 to move, the push rod 14 drives the extrusion block 15 to contact with the extrusion plate 17, so that the extrusion block 15 is forced to drive the push rod 14 to move and extrude the reset spring 16, the push rod 14 drives the push plate 12 to move, the moved push plate 12 can release the cooled and molded material from the molds 9, the push rod 14 can drive the push plate 12 to move and reset under the elastic action of the reset spring 16 when the two molds 9 are closed, the buffer plate 20 can bear the material when the material is demolded, and the force born by the buffer plate 20 can absorb and buffer through the elasticity of the plurality of spring telescopic rods 19, so that the damage deformation of the material during demolding can be avoided.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A mold opening and closing mechanism of a core shooting machine, characterized in that it comprises a workbench (1), a moving frame (3) is fixedly installed on the upper end surface of the workbench (1) through a supporting mechanism, a double-headed screw (4) is rotatably installed inside the moving frame (3), a motor (5) connected to the double-headed screw (4) is fixedly installed on the outer wall of the moving frame (3), two moving sleeves (7) are threadedly installed on the outer wall of the double-headed screw (4) through a limiting mechanism, the outer walls of the two moving sleeves (7) are fixedly connected to a mold (9) through a connecting mechanism, the outer walls of the two molds (9) are fixedly installed with a connecting plate (10), the inner walls of the two connecting plates (10) are fixedly installed with a sealing gasket (11), the insides of the two molds (9) are slidably installed with a push plate (12), and the two molds (9) The outer walls are slidably mounted with push rods (14) through a support plate (13), the ends of the two push rods (14) are slidably penetrated into the interior of the mold (9), the ends of the two push rods (14) are respectively fixedly connected to the outer walls of the push plate (12) on the same side, the outer walls of the two push rods (14) are fixedly mounted with extrusion blocks (15), the inner walls of the two extrusion blocks (15) are connected to the outer walls of the support plate (13) on the same side through a reset mechanism, the upper end surface of the workbench (1) is fixedly mounted with two extrusion plates (17) that cooperate with the extrusion blocks (15) on the same side, the outer walls of the two molds (9) are fixedly mounted with semiconductor refrigerators (18), the upper end surface of the workbench (1) is provided with a buffer groove, and the bottom wall of the buffer groove is fixedly mounted with a buffer plate (20) through a buffer mechanism. 2. A mold opening and closing mechanism of a core shooting machine according to claim 1, characterized in that: the support mechanism comprises two support rods (2) fixedly mounted on the upper end surface of the workbench (1), and the ends of the two support rods (2) are fixedly connected to the outer bottom wall of the moving frame (3). 3. A mold opening and closing mechanism for a core shooting machine according to claim 2, characterized in that: the limiting mechanism comprises a limiting rod (6) fixedly installed inside the moving frame (3), and the limiting rod (6) slides through two moving sleeves (7). 4. A mold opening and closing mechanism for a core shooting machine according to claim 3, characterized in that: the connection mechanism comprises a connection rod (8) fixedly mounted on the outer wall of the moving sleeve (7), and the end of the connection rod (8) is fixedly connected to the outer wall of the mold (9). 5. A mold opening and closing mechanism for a core shooting machine according to claim 4, characterized in that: the reset mechanism comprises a reset spring (16) installed on the outer wall of the push rod (14), and the two ends of the reset spring (16) are elastically connected to the outer wall of the support plate (13) and the inner wall of the extrusion block (15) respectively. 6. A mold opening and closing mechanism for a core shooting machine according to claim 5, characterized in that: the buffer mechanism comprises a plurality of spring telescopic rods (19) fixedly mounted on the bottom wall of the buffer groove, and the telescopic end of each of the spring telescopic rods (19) is fixedly connected to the bottom wall of the buffer plate (20).