CN220196274U - Lost foam mould of large-scale lathe spare - Google Patents

Abstract

The application discloses disappearance mould of large-scale lathe spare, including last mould and bed die, be provided with the mould shape chamber that is used for placing the fashioned work piece in the bed die, the edge of bed die is provided with bellied step, the step department that corresponds on the last mould is provided with the ejecting cylinder of bed die, the flexible end of the ejecting cylinder of bed die passes the step of last mould connection on the bed die, and bed die edge sets up bellied step in this application, and the position that the last mould corresponds sets up the ejecting cylinder of bed die, realizes the quick accurate butt joint and the separation of last mould and bed die, improves production efficiency. The through hole is formed in the step, so that the installation of the lower die ejection cylinder is facilitated, the structure is more stable and reliable, the upper die right side surface and the lower end are provided with the upper die side surface first cylinder core pulling device and the upper die side surface second cylinder core pulling device, the workpiece is opened and taken out, manual operation is not needed, automatic production is realized, and the production efficiency is improved.

Description

Lost foam mould of large-scale lathe spare

Technical Field

The application relates to the technical field of mold processing, in particular to a lost foam mold of a large machine tool piece.

Background

The large machine tool part product has large structure, and the corresponding die volume and the die stripping back-off area are also large. The traditional demolding mode mostly adopts manual movable block demolding, and workers are required to manually push and pull the movable blocks to complete the opening and closing of the mold. The manual demolding mode has the following problems that the manual operation efficiency is low, the requirement of an automatic production line cannot be met, and the productivity and the exchange period are affected. Especially for large-scale complex structure products, the manual demolding difficulty is high, and the efficiency is lower. Manual stripping involves high risk operations such as lifting and transporting heavy products, and is prone to personnel injury.

Manual loose piece demolding can not meet the production requirement of large machine tool products. Automatic demolding device is needed to replace manual demolding, and automation of demolding process is realized.

Disclosure of Invention

The technical problem that this application was to solve is to overcome current defect, provides a lost foam mould of large-scale lathe spare, can effectively solve the problem among the background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a large-scale lathe spare vanishing mould, includes last mould and bed die, be provided with the mould shape chamber that is used for placing the work piece fashioned in the bed die, the edge of bed die is provided with bellied step, the step department that corresponds on the last mould is provided with the ejecting cylinder of bed die, the flexible end of the ejecting cylinder of bed die passes the step that the last mould is connected on the bed die, the right flank upper end of going up the mould is provided with the first cylinder core-pulling of mould side, both sides are provided with the second cylinder core-pulling of mould side around the lower extreme of going up the mould, be provided with automatic back loose piece around the cavity of placing the work piece in the bed die, the upper surface of going up the mould is provided with the top surface cylinder core-pulling of going up.

As a preferable technical scheme of the application, the lower die is provided with a supporting guide post.

As a preferable technical scheme of the application, the number of the supporting guide posts is six, and the six supporting guide posts are symmetrically arranged on the upper surface of the lower die.

As a preferable technical scheme of the application, the lower end of the upper die is provided with an ejector plate, the ejector plate is provided with a cylinder mounting groove, and the cylinder mounting groove and the raised step arranged at the edge of the lower die are correspondingly arranged.

As a preferred embodiment of the present application, the mold cavity includes a first mold member and a second mold member, the first mold member and the second mold member being adhesively configured.

Compared with the prior art: in this application, bed die edge sets up the boss step, and the position that the last mould corresponds sets up the ejecting cylinder of bed die, realizes the quick accurate butt joint and the separation of last mould and bed die, improves production efficiency. The through hole is formed in the step, so that the installation of the lower die ejection cylinder is facilitated, the structure is more stable and reliable, the upper die right side surface and the lower end are provided with the upper die side surface first cylinder core pulling device and the upper die side surface second cylinder core pulling device, the workpiece is opened and taken out, manual operation is not needed, automatic production is realized, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the lower die structure;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 4 is a schematic view of a first mold member;

FIG. 5 is a schematic view of a second mold member;

in the figure: the upper die comprises an upper die top surface cylinder core pulling device 1, an upper die 2, an upper die side surface first cylinder core pulling device 3, a lower die 4, a lower die ejection cylinder 5, an ejection plate 6, an upper die side surface second cylinder core pulling device 7, an 8 cylinder mounting groove, an automatic back-moving block 9, a supporting guide post 10, a first die part 11 and a second die part 12.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. Based on the embodiments in the present application (for convenience of description and understanding, the following description is given with the upper part of fig. 2 as the upper part). All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present application.

Referring to fig. 1-5, the present application provides a technical solution: the lost foam die for the large machine tool comprises an upper die 2 and a lower die 4, wherein a die-shaped cavity for placing a workpiece for molding is arranged in the lower die 4, and a raised step is arranged at the edge of the lower die 4.

Specifically, a mold cavity corresponding to the shape of the workpiece is arranged in the lower mold 4, the size and the position of the mold cavity can be adjusted according to the size and the requirement of the workpiece, the mold cavity is filled with lost foam material, and when the lower mold 4 is heated, the lost foam material is melted or gasified, so that a cavity of the workpiece is formed. In order to ensure accurate butt joint of the lower die 4 and the upper die 2 and facilitate the installation of the lower die 4 by the lower die ejection cylinder 5, a circle of raised steps are arranged at the edge of the lower die 4, and a plurality of through holes are formed in the steps and are used for connecting the telescopic ends of the lower die ejection cylinder 5.

The lower die ejection cylinder 5 is arranged at the corresponding step position on the upper die 2, and the telescopic end of the lower die ejection cylinder 5 penetrates through the upper die 2 to be connected with the step on the lower die 4.

Specifically, the lower surface of the upper die 2 is provided with a plurality of lower die ejection cylinders 5, so that the upper die 2 and the lower die 4 can be conveniently and quickly separated and reset, workpieces can be conveniently taken out, the lower die ejection cylinders 5 correspond to steps arranged at the edges of the lower die 4, telescopic connection can be formed between the upper die 2 and the lower die 4, when the upper die 2 and the lower die 4 are required to be separated, the lower die ejection cylinders 5 stretch out from through holes of the upper die 2 through pneumatic driving, telescopic ends of the lower die ejection cylinders are contacted with the steps on the lower die 4, and then the lower die 4 is pushed upwards continuously, so that the lower die 4 is jacked up from the upper die 2, and separation is realized.

The upper end of the right side surface of the upper die 2 is provided with an upper die side surface first cylinder core pulling 3, and the front side and the rear side of the lower end of the upper die 2 are provided with an upper die side surface second cylinder core pulling 7.

Specifically, an upper die side first cylinder core pulling 3 is arranged at the upper end of the right side surface of the upper die 2, a groove corresponding to a workpiece cavity can be formed in the upper die 2 by the upper die side first cylinder core pulling 3, when a workpiece needs to be taken out, the upper die side first cylinder core pulling 3 is driven by air pressure to shrink the telescopic end of the upper die from the upper die 2, at the moment, the automatic backward moving block 9 is moved backwards, the workpiece is opened, two upper die side second cylinder core pulling 7 are arranged at the front side and the rear side of the lower end of the upper die 2, and when the workpiece needs to be taken out, the upper die side second cylinder core pulling 7 is driven by air pressure to shrink the telescopic end of the upper die 2 from the inner part of the upper die, and the automatic backward moving block 9 is moved backwards, so that the die opening process is completed.

The automatic back movable block 9 is arranged around the cavity for placing the workpiece in the lower die 4, and the upper surface of the upper die 2 is provided with an upper die top surface cylinder core pulling 1.

Specifically, when the workpiece needs to be taken out, the upper die top surface cylinder core pulling 1 is driven by air pressure, the cylinder operates to drive the ejector plate 6 to jack up and lift, the ejector plate 6 is driven by the copper slideway to operate and back the automatic back-off block when lifting, the block is pulled out from the back-off position, and the white die is taken out.

Further, the lower mold 4 is provided with a supporting guide post 10.

Specifically, the stability and the intensity of the lower die 4 are ensured by the six supporting guide posts 10, the upper die 2 is convenient to mount and dismount, the supporting guide posts 10 are fixedly connected with the lower die 4 and symmetrically distributed on the upper surface of the lower die 4, and the upper ends of the supporting guide posts 10 are contacted with the lower surface of the upper die 2 to form a reliable supporting structure.

Further, the number of the supporting columns 10 is six, and the six supporting columns 10 are symmetrically arranged on the upper surface of the lower die 4.

Further, the lower end of the upper die 2 is provided with an ejector plate 6, the ejector plate 6 is provided with a cylinder mounting groove 8, and the cylinder mounting groove 8 is correspondingly arranged with a raised step arranged at the edge of the lower die 4.

Specifically, the upper surface of the ejector plate 6 is provided with a plurality of cylinder mounting grooves 8, the cylinder mounting grooves 8 correspond to steps arranged at the edge of the lower die 4, and the lower die ejector cylinder 5 is mounted in the cylinder mounting grooves 8. When the upper die 2 and the lower die 4 are required to be separated, the lower die ejection cylinder 5 is driven by air pressure, the telescopic end of the lower die ejection cylinder extends out of the cylinder mounting groove 8 to be contacted with a step on the lower die 4, and then the lower die 4 is pushed upwards continuously to jack up from the upper die 2, so that separation is realized. When the upper die 2 and the lower die 4 need to be reset, the lower die ejection cylinder 5 is driven by air pressure to retract the telescopic end of the lower die from the step on the lower die 4, passes through the cylinder mounting groove 8 and returns to the original position, so that the reset is realized.

Further, the mold cavity comprises a first mold member 12 and a second mold member 11, the first mold member 12 and the second mold member 11 being adhesively configured.

When in use: the device comprises a die opening process and a die closing process:

and (3) mould opening process: the upper die side surface first cylinder core pulling 3 and the upper die side surface second cylinder core pulling 7 shrink, at the moment, an automatic back-off block 9 positioned on the side surface loses thrust, so that the preset track slides out, the side edge die opening is completed, the upper die top surface cylinder core pulling 1 shrinks, the automatic back-off block is backed by a copper slideway, at the moment, the die ejection cylinder 5 also rises to drive the ejection plate 6 and the upper die 2 to jack up and rise, and when the ejection plate 6 rises, the automatic back-off block is pulled out from the back-off position, and the white die is taken out;

and (3) die assembly: the lower die ejection cylinder 5 operates to drive the ejection plate 6 to descend and reset, the copper slideway drives the automatic back-moving block 9 to operate and move forward when the ejection plate 6 descends, the automatic back-moving block 9 is closed and reset, the upper die side first cylinder core-pulling 3 and the upper die side second cylinder core-pulling 7 extend, and the automatic back-moving block 9 completes the reset of the automatic back-moving block 9 under the action of the extension of the upper die side first cylinder core-pulling 3 and the upper die side second cylinder core-pulling 7, so that the upper die closing is completed.

Although embodiments of the present application 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 therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a large-scale lathe spare lost foam mould, includes cope match-die (2) and bed die (4), be provided with in bed die (4) and be used for placing the fashioned mould shape chamber of work piece, its characterized in that: the edge of bed die (4) is provided with bellied step, the step department that corresponds on bed die (2) is provided with bed die ejection cylinder (5), the flexible end of bed die ejection cylinder (5) passes bed die (2) and connects the step on bed die (4), the right flank upper end of bed die (2) is provided with bed die side first cylinder core (3), both sides are provided with bed die side second cylinder core (7) around the lower extreme of bed die (2), be provided with automatic back loose piece (9) around the cavity of placing the work piece in bed die (4), the upper surface of bed die (2) is provided with bed die top surface cylinder core (1).

2. A lost foam mould for large machine parts according to claim 1, wherein: the lower die (4) is provided with a supporting guide pillar (10).

3. A lost foam mould for large machine parts according to claim 2, wherein: the number of the supporting guide posts (10) is six, and the six supporting guide posts (10) are symmetrically arranged on the upper surface of the lower die (4).

4. A lost foam mould for large machine parts according to claim 1, wherein: the lower end of the upper die (2) is provided with an ejector plate (6), the ejector plate (6) is provided with a cylinder mounting groove (8), and the cylinder mounting groove (8) is correspondingly arranged with a raised step arranged at the edge of the lower die (4).

5. A lost foam mould for large machine parts according to claim 1, wherein: the mould cavity comprises a first mould part (12) and a second mould part (11), the first mould part (12) and the second mould part (11) being adhesively configured.