Universal type blowing sealing method and device for mold

Abstract

The invention relates to a universal type blowing sealing method and device for a mold. A plurality of sealing grooves are transversely and vertically formed in the mold blowing plate, and the transverse sealing grooves and the vertical sealing grooves are perpendicularly intersected; when a core needs to be manufactured, according to the size of the blowing area of a core box, the sealing grooves in the matched positions are selected on the blowing plate to be filled with the sealing strips, the sealing grooves which are not filled with the sealing strips in the sealing range serve as blowing channels for use, and the single blowing plate completes matching of different molds by adjusting the positions of the sealing strips. The universal air blowing sealing of the mold can be realized without replacing the air blowing plate, the air blowing plate is universally matched with various core boxes, and the universal air blowing plate has the advantages of high universality, high production efficiency, cost saving and the like, and can be applied and popularized on various casting molds on the horizontal parting core shooter.

Description

Technical Field

[0001] The invention belongs to the technical field of casting, and relates to a universal blowing sealing method and device for a mold. Background Art

[0002] At present, the horizontal parting core shooting machine equipment in the foundry is generally a cold core machine. The cold core machine molding method is that after the sand shooting molding, the equipment blows the gaseous curing agent or the liquid curing agent atomized in the gas medium through the blowing hood and the mold blowing plate to disperse it in the mold or core, so that the resin undergoes a cross-linking reaction and finally completes the sand core curing. However, the range of their blowing hoods is fixed. When different molds are used, corresponding blowing plates must be made due to the different sizes of the molds. In the process of casting product development, due to the limitations of product structure and casting process, each product will produce multiple sand cores and corresponding molds after the casting process design, and the size and number of molds are not fixed, and need to be determined according to the sand core combination layout. Many foundries have limited equipment quantity and production capacity. When different molds need to be installed on the same equipment, the corresponding mold blowing plate needs to be replaced. From the perspective of actual production, both production efficiency and production cost savings must be considered. Therefore, there is an urgent need for a blowing sealing method and device that can both improve production efficiency and save costs.

[0003] like Figure 1 , Figure 2 As shown, the existing blowing plate has only one circle of sealing grooves, and the size of the sealing groove contour is determined according to the size of the blowing area required by the core box. Therefore, one blowing plate can only correspond to one core box, and the blowing plate needs to be replaced when the core box is replaced.

[0004] The mold placement space and blowing range of the horizontal parting core shooting machine are limited, and the equipment is horizontally opened and closed. Generally, the mold placement space is about 800mm (length) X 800mm (width), and the blowing range is about 700mm (length) X560 mm (width). When the process is developed, each casting product will produce multiple sand cores and corresponding molds, and each mold corresponds to a blowing plate. When producing different sand cores, different molds and corresponding blowing plates need to be replaced. If there are many types of sand cores and molds, the replacement frequency and time will be more, resulting in low production efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the above-mentioned problems existing in the prior art and provide a universal blowing sealing method and device for molds.

[0006] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0007] In order to solve the above technical problems, the present invention is implemented by adopting the following technical solutions:

[0008] A universal blowing sealing device for molds, characterized in that:

[0009] Several sealing grooves are arranged horizontally and vertically on the mold blowing plate, and the horizontal sealing grooves and the vertical sealing grooves intersect vertically; when core making is required, sealing strips are filled in the sealing grooves at matching positions on the blowing plate according to the size of the core box blowing area, and the sealing grooves within the sealing range that are not filled with sealing strips are used as blowing channels. A single blowing plate can match different molds by adjusting the position of the sealing strips.

[0010] Furthermore, the position and number of the sealing grooves selected for the mold blowing plate are determined according to the mold size and the position of the sand core, and the sealing grooves are arranged with reference to the mold core box to ensure that the blowing surfaces of the core box are all within the sealing range.

[0011] Furthermore, the sealing groove selected by the blowing plate corresponds to the sealing surface of the core box, and the transverse sealing strip is installed to be tightly connected with the vertical sealing strip, and one or more sealing strips are arranged.

[0012] Preferably, the cross-sectional dimension of the sealing groove is 7 mm x 7 mm.

[0013] A sealing method for a universal air blowing sealing device for a mold, comprising the following steps:

[0014] First, install the blowing plate on the equipment blowing hood;

[0015] Secondly, place the mold to be produced on the equipment workbench, ensure that the selected sealing groove of the blowing plate corresponds to the sealing surface of the core box, install the corresponding sealing strip on the blowing plate according to the sealing surface of the core box, and ensure that the installed horizontal sealing strip is tightly connected with the vertical sealing strip;

[0016] Once again, after the sand blasting is completed, the equipment drives the blowing hood and the blowing plate to move downward to press the core box and start blowing;

[0017] Finally, the sand core is cured and the mold is opened to take out the sand core.

[0018] Furthermore, multiple sealing grooves are arranged horizontally and vertically on the blowing plate, and the horizontal sealing grooves and the vertical sealing grooves intersect vertically. When core making is required, a matching position is selected on the blowing plate to fill the sealing strip according to the size of the blowing area of ​​the core box, and other sealing grooves within the sealing range are used as blowing channels. By adjusting the installation position of the sealing strip to match core boxes of various sizes, the mold can be universal.

[0019] Furthermore, the cross-sectional dimension of the sealing groove is 7 mm x 7 mm.

[0020] Furthermore, the sealing strips are arranged in multiple paths.

[0021] Furthermore, the blowing pressure is 0.3-0.5 MPa, and the blowing time is 50 seconds.

[0022] The invention discloses an application of a universal air blowing sealing method for a mold, which is applied to a casting mold on a horizontal parting core shooting machine.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The greatest advantage of the present invention is that universal blowing sealing of the mold can be achieved without replacing the blowing plate, and the blowing plate can be universally matched with various core boxes. It has the advantages of strong versatility, high production efficiency, and cost savings, and can be applied and promoted to various casting molds on horizontal parting core shooting machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings:

[0026] Figure 1 It is the existing assembly drawing of the blowing plate and the blowing hood;

[0027] Figure 2 It is a structural diagram of a prior art blowing plate;

[0028] Figure 3 It is a schematic diagram of the universal blowing sealing device for molds of the present invention;

[0029] Figure 4 This is an assembly diagram of a universal air blowing sealing device and an air blowing hood of the present invention;

[0030] Figure 5 It is a schematic diagram of the universal air blowing sealing device of the present invention and the air blowing hood being assembled and pressing the core box in operation;

[0031] Figure 6 This is a blowing principle diagram of the universal blowing sealing device for molds of the present invention;

[0032] Figure 7 It is an assembly diagram of the blowing hood and the blowing plate of the present invention;

[0033] Figure 8This is a diagram of the assembly of the blowing hood and the blowing plate with the core box when the present invention is working;

[0034] In the figure: 1. Blowing cover, 2. Blowing plate, 3. Core box, 4. Sealing groove, 5. Air inlet, 6. Mounting screw hole. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the implementation of the present invention clearer, the technical scheme in the embodiment of the present invention will be described in more detail below in conjunction with the drawings in the embodiment of the present invention. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the present invention, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. The embodiments of the present invention are described in detail below in conjunction with the drawings.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0037] The present invention is described in detail below in conjunction with the accompanying drawings:

[0038] The present invention changes the existing blowing plate sealing mode in the industry. A plurality of vertically intersecting sealing grooves are arranged on the blowing plate. The sealing range can be adjusted at any time according to the size of the mold. Other sealing grooves within the sealing range are used as blowing channels. In this way, a single blowing plate can match multiple molds by adjusting the position of the sealing strip.

[0039] like Figure 3 , Figure 4 , Figure 5 As shown, the present invention relates to a universal blowing sealing device for molds, and designs a new sealing method for a blowing plate. Multiple sealing grooves are arranged horizontally and vertically on the blowing plate, and the horizontal sealing grooves and the vertical sealing grooves intersect vertically. The cross-sectional size of the sealing grooves is 7X7. When core making is required, a sealing strip is filled in a matching position on the blowing plate according to the size of the blowing area of ​​the core box. Other sealing grooves within the sealing range are used as blowing channels. Blowing begins after sand shooting is completed, and finally the sand core is solidified.

[0040] The principle of the universal blowing sealing method for molds is: the position and number of the sealing grooves selected for the mold blowing plate are determined according to the mold size and the position of the sand core, and the sealing grooves are arranged with reference to the mold core box to ensure that the blowing surfaces of the core box are within the sealing range.

[0041] The principle of the universal blowing sealing device for molds is: first, ensure that the sealing groove selected by the blowing plate corresponds to the sealing surface of the core box, and secondly, ensure that the installed horizontal sealing strip is tightly connected with the vertical sealing strip. The sealing strip can be arranged in multiple ways (for better sealing effect), and other sealing grooves within the sealing range are used as blowing channels. Finally, the blowing is completed. The blowing pressure is generally 0.3-0.5Mpa, and the blowing time is generally 30-50S. In this way, the gaseous curing agent of the core box is blown into the core box through the blowing hood and the blowing plate, so that it is dispersed in the casting or core, so that the resin undergoes a cross-linking reaction, and finally the sand core is cured. The advantages of this core making method are: strong versatility, can be applied to different types of horizontal parting core shooting machine equipment and molds, improve the core making efficiency, and reduce the mold development cost.

[0042] The implementation method of the universal blowing sealing device for molds is: first, install the blowing plate on the blowing hood of the equipment according to the above principles; secondly, put the mold to be produced on the workbench of the equipment to ensure that the mold and the blowing plate are in direct correspondence, and install the corresponding sealing strip on the blowing plate according to the sealing surface of the core box; then, after the sand shooting is completed, the equipment drives the blowing hood and the blowing plate to move downward to press the core box to complete the blowing, and the curing time is about 50S. Finally, open the mold and take out the sand core, and all sand core production work is completed.

[0043] like Figure 6 As shown, the structural arrangement of the blowing plate of the universal blowing sealing device for the mold is: air inlet hole, sealing groove, mounting screw hole, and a new sealing method is designed for the blowing plate. Multiple sealing grooves are arranged horizontally and vertically on the blowing plate, and the horizontal sealing grooves and the vertical sealing grooves are perpendicularly intersected. The cross-sectional size of the sealing groove is 7X7. When core making is required, a matching position is selected on the blowing plate according to the size of the blowing area of ​​the core box to fill the sealing strip. Other sealing grooves within the sealing range are used as blowing channels. By adjusting the installation position of the sealing strip, various sizes of core boxes can be matched to achieve universal mold.

[0044] like Figure 7 and Figure 8As shown in the figure, the application case of the universal blowing sealing device for molds is: first, the blowing plate is installed on the blowing hood of the equipment according to the above principles and principles; secondly, the mold to be produced is placed on the workbench of the equipment to ensure that the sealing groove selected by the blowing plate corresponds to the sealing surface of the core box, and the corresponding sealing strip is installed on the blowing plate according to the sealing surface of the core box to ensure that the installed horizontal sealing strip is tightly connected with the vertical sealing strip, and the sealing strip can be arranged in multiple ways (for better sealing effect); secondly, after the sand shooting is completed, the equipment drives the blowing hood and the blowing plate to move downward to press the core box and start blowing. The blowing pressure is generally 0.3-0.5Mpa, and the blowing time is about 50S. Finally, the sand core is solidified, the mold is opened and the sand core is taken out, and all sand core production work is completed.

[0045] The horizontal sealing groove and the vertical sealing groove of the present invention intersect perpendicularly, and sealing grooves at different positions can be selected according to the size of the core box. The sealing strips can be arranged in multiple ways (for better sealing effect), and other sealing grooves within the sealing range are used as blowing channels, thereby realizing a blowing plate that is universal for various mold core boxes.

[0046] The universal air blowing sealing method and device for molds have the advantages of high production efficiency, strong versatility, cost saving, etc., and the application scope involves the application and promotion of casting molds on various horizontal parting core shooting machines.

[0047] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any modification, equivalent replacement and improvement made by any person skilled in the art within the technical scope disclosed by the present invention and within the spirit and principle of the present invention shall be covered within the protection scope of the present invention. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A universal blowing sealing device for molds, characterized in that: Several sealing grooves are arranged horizontally and vertically on the mold blowing plate, and the horizontal sealing grooves and the vertical sealing grooves intersect vertically; when core making is required, sealing strips are filled in the sealing grooves at matching positions on the blowing plate according to the size of the core box blowing area, and the sealing grooves within the sealing range that are not filled with sealing strips are used as blowing channels. A single blowing plate can match different molds by adjusting the position of the sealing strips.

2. A universal blowing sealing device for molds according to claim 1, characterized in that: The position and number of sealing grooves selected for the mold blowing plate are determined according to the mold size and the position of the sand core. The sealing grooves are arranged with reference to the mold core box to ensure that the blowing surfaces of the core box are within the sealing range.

3. A universal blowing sealing device for molds according to claim 1, characterized in that: The sealing groove selected for the blowing plate corresponds to the sealing surface of the core box, and the transverse sealing strip is installed to be tightly connected with the vertical sealing strip, and one or more sealing strips are arranged.

4. A universal mold blowing sealing device according to claim 1, characterized in that: The cross-sectional dimensions of the sealing groove are 7mmX7mm.

5. A sealing method for a universal blow sealing device for molds as claimed in any one of claims 1 to 4, characterized in that: The following steps are involved: First, install the blowing plate on the equipment blowing hood; Secondly, place the mold to be produced on the equipment workbench, ensure that the selected sealing groove of the blowing plate corresponds to the sealing surface of the core box, install the corresponding sealing strip on the blowing plate according to the sealing surface of the core box, and ensure that the installed horizontal sealing strip is tightly connected with the vertical sealing strip; Once again, after the sand blasting is completed, the equipment drives the blowing hood and the blowing plate to move downward to press the core box and start blowing; Finally, the sand core is cured and the mold is opened to take out the sand core.

6. The sealing method according to claim 5, characterized in that: Multiple sealing grooves are arranged horizontally and vertically on the blowing plate, and the horizontal sealing grooves and the vertical sealing grooves intersect vertically. When core making is required, sealing strips are filled in matching positions on the blowing plate according to the blowing area of ​​the core box. Other sealing grooves within the sealing range are used as blowing channels. The installation position of the sealing strips is adjusted to match core boxes of various sizes, so that the mold can be universal.

7. The sealing method according to claim 6, characterized in that: The cross-sectional dimensions of the sealing groove are 7mmX7mm.

8. The sealing method according to claim 6, characterized in that: The sealing strips are arranged in multiple ways.

9. The sealing method according to claim 5, characterized in that: The blowing pressure is 0.3~0.5Mpa, and the blowing time is 50S.

10. An application of the universal blowing sealing method for molds as claimed in claim 5, characterized in that: Used for casting molds on horizontal parting core shooting machines.

Images