A mold and molding method

Abstract

The present invention relates to a mold, comprising a mold main body and a plurality of mold movable blocks, wherein the mold main body comprises a skeleton and a packaging part, wherein the skeleton is a retractable structure, wherein the skeleton is connected with a plurality of packaging plates along the circumference, wherein the plurality of packaging plates constitute the packaging part, and the packaging part is provided with the mold movable blocks. The present invention also relates to a modeling method, which adopts the above-mentioned mold for modeling. The mold disclosed in the present invention has a packaging part fixedly connected along the circumference of the skeleton of the retractable structure to form a mold main body, and the mold main body and the mold movable blocks are assembled to form a universal mold suitable for different structures and different sizes, thereby reducing the mold investment cost in the production of castings and shortening the mold production cycle; one mold can be used for multiple purposes, thereby reducing the space occupied by mold storage, improving on-site manufacturing efficiency, and shortening the casting production cycle.

Description

Technical Field

[0001] The invention relates to the technical field of casting, in particular to a mold and a molding method. Background Art

[0002] There are many types of castings, with various product structures and sizes that vary greatly according to demand. In principle, each casting requires a mold to produce during the casting production process, but for castings with small order demand, or even only one order demand, manufacturing a dedicated mold will result in insufficient use of mold resources, high production costs, and a long mold production cycle.

[0003] After many technical improvements and iterations, the design of casting products will form a solidified style in product structure, and the local structure will be different according to the needs and performance parameters. In order to reduce the production cost of castings, a universal mold body is designed for castings with similar structures and / or similar sizes, and the production cost and mold production cycle are reduced by assembling different mold blocks locally. However, this method is only applicable to castings with similar structures and / or similar sizes. For castings with large structural differences and large size differences, only special molds can be made. Summary of the invention

[0004] Based on this, it is necessary to provide a universal mold and modeling method suitable for different structures and sizes to address technical problems such as high production cost and long mold production cycle of castings with large structural differences and large size differences.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions:

[0006] An embodiment of the present invention discloses a mold, including a mold main body and a plurality of mold movable blocks. The mold main body includes a skeleton and a packaging component. The skeleton is a retractable structure. The skeleton is fixedly connected with a plurality of packaging plates along the circumference. The plurality of packaging plates constitute the packaging component. The mold movable blocks are arranged on the packaging component.

[0007] In one embodiment, the frame includes a contour frame formed by a plurality of support rods fixedly connected.

[0008] In one embodiment, the support rod includes an outer rod and an inner rod, the inner rod is provided with equidistant first limiting holes, and first limiting bolts are provided at both ends of the outer rod, and the first limiting bolts are inserted into different first limiting holes for limiting and fixing.

[0009] In one of the embodiments, a plurality of reinforcing ribs are arranged between the support rods, and the reinforcing ribs include outer sleeve ribs and inner sleeve ribs. The inner sleeve ribs are provided with equidistant second limiting holes, and the outer sleeve ribs are provided with second limiting bolts, which are inserted into different second limiting holes for limiting and fixing.

[0010] In one of the embodiments, the packaging plate is fixedly connected to the frame by bolts, a countersunk hole is provided on the packaging plate, and a bolt head of the bolt is disposed in the countersunk hole.

[0011] In one embodiment, the package includes a first package and a second package, the frame includes a first frame and a second frame, the first frame is disposed in the first package, and the second frame is disposed in the second package.

[0012] In one embodiment, a bonding surface between the first packaging component and the second packaging component and a bonding surface between the first frame and the second frame are located in the same plane.

[0013] In one embodiment, the skeleton further includes a positioning component, and the positioning component is disposed between the first skeleton and the second skeleton.

[0014] In one embodiment, the positioning assembly includes a first positioning rod and a second positioning rod, the first positioning rod is arranged on the first frame, the second positioning rod is arranged on the second frame, the first positioning rod is provided with a positioning sleeve, and the second positioning rod is provided with a positioning piece corresponding to the positioning sleeve.

[0015] The embodiment of the present invention further discloses a modeling method, which uses any of the above-mentioned molds to perform modeling.

[0016] The technical solution adopted by the present invention can achieve the following beneficial effects:

[0017] The mold disclosed in the present invention is a mold body formed by fixing a packaging part along the circumference of a telescopic structure skeleton. The mold body is assembled with a mold movable block to form a universal mold suitable for different structures and different sizes, thereby reducing the mold investment cost in casting production and shortening the mold production cycle; one mold can be used for multiple purposes, reducing the space occupied by mold storage, improving on-site manufacturing efficiency, and shortening the casting production cycle.

[0018] The mold disclosed by the present invention has an internal skeleton structure as the main body of the mold, and an external encapsulation plate is used to encapsulate the skeleton structure. The mold is more durable than a wooden mold and lighter than a metal mold.

[0019] The mold disclosed in the present invention can be divided into several parts, and the joint surfaces of the mold parts are positioned by positioning components, which ensures the mold assembly accuracy and is effectively applicable to various modeling methods and demoulding methods, and the operation is safe and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A cross-sectional view of a mold disclosed in an embodiment of the present invention;

[0021] Figure 2 for Figure 1 A magnified view of part A;

[0022] Figure 3 is a schematic diagram of the structure of the skeleton;

[0023] Figure 4 is a schematic diagram of the structure of the positioning pin;

[0024] Description of reference numerals:

[0025] 100- mold body;

[0026] 110-skeleton;

[0027] 1110-first skeleton, 1111-first horizontal support rod, 1112-second horizontal support rod, 1113-first vertical support rod, 1114-first vertical reinforcing rib, 1115-first horizontal reinforcing rib, 1116-first positioning rod, 1117-first positioning sleeve, 1118-positioning member;

[0028] 1120-second frame, 1121-third horizontal support rod, 1122-fourth horizontal support rod, 1123-second vertical support rod, 1124-second vertical reinforcing rib, 1125-second horizontal reinforcing rib, 1126-second positioning rod, 1127-second positioning sleeve;

[0029] 120-package, 123-counter hole, 1210-first package, 1220-second package;

[0030] 200-mold movable block, 210-first mold movable block, 220-second mold movable block;

[0031] 300-bolt, 310-nut;

[0032] 410 - first bonding surface, 420 - second bonding surface, 430 - third bonding surface. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0034] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a centered element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a centered element at the same time. The terms "vertical", "horizontal", "left", "right", "top", "bottom", "bottom end", "top end" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0036] The embodiment of the present invention discloses a mold, such as Figures 1 to 3 As shown, the disclosed mold includes a mold body 100 and a mold movable block 200. The mold body 100 is a retractable structure, on which a plurality of mold sliders 200 are assembled to form a universal mold suitable for different structures and different sizes. When it is necessary to make molds of other sizes and structures, it is only necessary to adjust the size and shape of the mold body 100 and replace the matching mold movable block 200, and it is not necessary to remake the entire mold according to the traditional process. The mold body 100 includes a retractable skeleton 110 arranged in the middle and a packaging member 120 arranged on the outside of the skeleton 110. Specifically, the skeleton 110 can be made of metal, and a plurality of packaging plates are connected to the top surface, bottom surface and outside of the skeleton 110 by bolts 300. The plurality of packaging plates form a packaging member 120 to encapsulate the skeleton 110, so as to prevent the molding sand from entering the space between the skeletons during molding, reduce the amount of molding sand and reduce the weight of the mold. Each package board splicing part can be provided with convex and concave platforms for splicing, or spliced ​​with adhesive, as long as the molding sand does not enter the cavity inside the package 120 during molding, and the present invention does not make any specific restrictions on this. Preferably, the package board is a wooden board.

[0037] In the embodiment disclosed in the present invention, the mold block 200 can be arranged outside the package 120, and the two can be connected by adhesive, limiting convex and concave platforms or bolts, etc., and the present invention does not make specific restrictions on this. Of course, the mold block 200 can be as follows Figure 1 The package 120 is completely surrounded, and the outer surface of the mold block 200 forms the surface of the mold. Alternatively, a number of smaller mold blocks 200 may be arranged outside the package 120, and the mold surface is formed by the mold blocks 200 and the exposed parts of the package 120. The specific design can be based on the mold structure and size.

[0038] The present invention discloses an optional embodiment, in which the mold can be divided into two parts, upper and lower, to facilitate the demolding during modeling. The lower part of the mold includes a first skeleton 1110, a first package 1210 encapsulating the first skeleton 1110, and a second mold block 220 arranged outside the first package 1210, and the upper part of the mold includes a second skeleton 1120, a second package 1220 encapsulating the second skeleton 1120, and a first mold block 210 arranged outside the second package 1220. The bonding surface between the first skeleton 1110 and the second skeleton 1120 is a first bonding surface 410, and the bonding surface between the first package 1210 and the second package 1220 is a second bonding surface 420. Preferably, the first bonding surface 410 and the second bonding surface 420 are in the same plane. The bonding surface between the first mold block 210 and the second mold block 220 is a third bonding surface 430, and the third bonding surface 430 can be located in the same plane as the first bonding surface 410 and / or the second bonding surface 420.

[0039] It should be noted that the first packaging component 1210 only packages the bottom surface and side surfaces of the first frame 1110 , and the second packaging component 1220 only packages the top surface and side surfaces of the second frame 1120 .

[0040] Six first horizontal support rods 1111, six second horizontal support rods 1112 and six first vertical support rods 1113 are fixedly connected to form the outline of the first skeleton 1110, and six third horizontal support rods 1121, six fourth horizontal support rods 1122 and six second vertical support rods 1123 are fixedly connected to form the outline of the second skeleton 1120; a plurality of first vertical reinforcing ribs 1114 can be arranged between the first horizontal rod 1111 and the second horizontal rod 1112, and a first horizontal reinforcing rib 1115 can be arranged between two opposite first horizontal rods 1111, so that the first skeleton 1110 forms a truss structure to increase the stability and strength of the mold. Similarly, the second skeleton 1120 can also be a truss structure composed of the third horizontal support rod 1121, the fourth horizontal support rod 1122, the second vertical support rod 1123, the second vertical reinforcing rib 1124 and the second horizontal reinforcing rib 1125, and the structure can be the same or similar to the first skeleton 1110, and the present invention will not repeat it.

[0041] In order to facilitate the adjustment of the size and shape of the mold body 100, all support rods and reinforcing ribs can be set as retractable rods. For example, all support rods include an outer sleeve rod and an inner sleeve rod, the inner sleeve rod is provided with equidistant first limiting holes, and first limiting bolts are provided at both ends of the outer sleeve rod, and the first limiting bolts are inserted into different first limiting holes for limiting fixation. All reinforcing ribs include outer sleeve ribs and inner sleeve ribs, the inner sleeve ribs are provided with equidistant second limiting holes, and the outer sleeve ribs are provided with second limiting bolts, and the second limiting bolts are inserted into different second limiting holes for limiting fixation. After adjusting the first skeleton 1110 and the second skeleton 1120 to the required structure and size, a packaging plate that matches them is connected to the outside of the skeleton. Of course, the size and shape of the mold body 100 can also be further adjusted by the thickness of the packaging plate.

[0042] Furthermore, a countersunk hole 123 is provided on the packaging plate, and the bolt head of the bolt 300 is provided in the countersunk hole 123 . The threaded end of the bolt 300 passes through the frame 110 and is fastened by the nut 310 .

[0043] Furthermore, several positioning components may be arranged between the first frame 1110 and the second frame 1120, and the positioning components include a first positioning rod 1116, a first positioning sleeve 1117, a positioning member 1118, a second positioning rod 1126, and a second positioning sleeve 1127. The two ends of the first positioning rod 1116 are respectively connected to the two adjacent second horizontal support rods 1112, and the first positioning sleeve 1117 is arranged in the middle of the first positioning rod 1116; the two ends of the second positioning rod 1126 are respectively connected to the two adjacent fourth horizontal support rods 1122, and the second positioning sleeve 1127 is arranged in the middle of the second positioning rod; the two ends of the positioning member 1118 are respectively arranged in the first positioning sleeve 1117 and the second positioning sleeve 1127. Figure 4 As described above, the cross section of the positioning member 1118 decreases from the middle to the two ends, and the first positioning sleeve 1117 and the second positioning sleeve 1127 are clearance-matched with the positioning member 1118. To match the telescopic structure of the frame, the first positioning rod 1116 can be slidably connected to the second cross support rod 1112, and the second positioning rod 1126 can be slidably connected to the fourth cross support rod 1122, and cooperate with the matching limiter.

[0044] Of course, a positioning piece can also be directly set on the first positioning rod 1116, and a positioning sleeve matching the positioning piece can be set on the second positioning rod 1126; or the positioning piece can be set on the second cross support rod 1112, and a positioning sleeve matching the positioning piece can be set on the fourth cross support rod 1122. As long as the positioning between the first skeleton 1110 and the second skeleton 1120 is achieved, the invention does not make any specific restrictions on this.

[0045] It should be noted that the present invention is not limited to dividing the mold into an upper part and a lower part. The mold can be divided into several parts according to the mold structure, size and shape requirements.

[0046] The embodiment of the present invention further discloses a modeling method, which uses any of the above-mentioned molds to perform modeling.

[0047] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A mold, characterized in that: It comprises a mold body and a plurality of mold movable blocks, wherein the mold body comprises a frame and a packaging part, wherein the frame is a retractable structure, wherein the frame is connected with a plurality of packaging plates along the circumference, wherein the plurality of packaging plates constitute the packaging part, and the mold movable blocks are arranged on the packaging part; The skeleton comprises supporting rods, and a plurality of supporting rods are fixedly connected to form a skeleton outline; The support rod comprises an outer sleeve rod and an inner sleeve rod, the inner sleeve rod is provided with equidistant first limiting holes, and first limiting bolts are provided at both ends of the outer sleeve rod, and the first limiting bolts are inserted into different first limiting holes for limiting and fixing; A plurality of reinforcing ribs are arranged between the support rods, the reinforcing ribs include outer sleeve ribs and inner sleeve ribs, the inner sleeve ribs are provided with equidistant second limiting holes, the outer sleeve ribs are provided with second limiting bolts, and the second limiting bolts are inserted into different second limiting holes for limiting and fixing; The package includes a first package and a second package, the frame includes a first frame and a second frame, the first frame is arranged in the first package, and the second frame is arranged in the second package.

2. The mold according to claim 1, characterized in that: The packaging plate is fixedly connected to the frame by bolts. The packaging plate is provided with countersunk holes, and the bolt heads of the bolts are arranged in the countersunk holes.

3. The mold according to claim 1, characterized in that: A bonding surface between the first packaging component and the second packaging component and a bonding surface between the first framework and the second framework are located in the same plane.

4. The mold according to claim 1, characterized in that: The frame also includes a positioning component, and the positioning component is arranged between the first frame and the second frame.

5. The mold according to claim 4, characterized in that: The positioning assembly includes a first positioning rod and a second positioning rod, the first positioning rod is arranged on the first frame, the second positioning rod is arranged on the second frame, the first positioning rod is provided with a positioning sleeve, and the second positioning rod is provided with a positioning piece corresponding to the positioning sleeve.

6. A shaping method, characterized in that: The molding is performed using a mold as described in any one of claims 1 to 5.

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