A 120 intermediate core assembly molding die

Abstract

The invention discloses a new process for core assembly molding of a 120 intermediate body, and relates to a casting core tool. The invention comprises a molding line plate, a No. 1 core box, a No. 2 cavity, a No. 4 core box and a No. 8 core box. The molding line plate comprises a bottom plate and threaded holes. The threaded holes are hollow structures. One surface of a plurality of threaded holes is respectively connected with one surface of the bottom plate. The No. 1 core box comprises a No. 1 template and a No. 1 core. The No. 2 core box comprises a No. 2 template and a No. 2 core. The No. 4 core box comprises a No. 4 template and a No. 4 core. The No. 8 core box comprises a No. 8 core and a gear. The invention adopts a molding line and coated sand combined molding process, and completely solves the problem that various parts of the core are inaccurate when the 120 intermediate body is cast, so that the quality of the 120 intermediate body casting is greatly improved. The threaded holes are used for threaded connection to fix the molding line plate, so that various parts of the core are accurately positioned. The bottom plate is the substrate of the entire molding line plate. The molding groove is molded to form a core body, and the core body is an important component for core making.

Description

Technical Field

[0001] The invention relates to a casting core tool, in particular to a 120 intermediate core assembly molding die. Background Art

[0002] The 120 intermediate is an important part of the railway freight car brake. The shape of the inner cavity is very complex. It is usually composed of a molding linear plate and four hot core boxes. The production process of the 120 intermediate usually adopts rough sand manual molding and on-site manual core cutting process one by one.

[0003] The existing 120 intermediate core assembly molding process has a very low working efficiency, and the manual sand pounding has a very uneven compactness, and local expansion box deformation often occurs. The shape of the casting is difficult to unify, which brings many difficulties to the processing and positioning. Not only is the efficiency of mechanical processing and clamping low, but many workpieces are also scrapped due to positioning point deviation. For this reason, we propose a 120 intermediate core assembly molding mold. Summary of the invention

[0004] The main purpose of the present invention is to provide a 120 intermediate core assembly molding mold, which can effectively solve the problems of low working efficiency of the 120 intermediate core assembly molding process in the background technology, manual sand pounding, uneven compaction, frequent local expansion box deformation, and difficulty in unifying the casting shape, which brings many difficulties to processing and positioning. Not only is the efficiency of mechanical processing and clamping low, but also many workpieces are scrapped due to positioning point deviation.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present invention is: a 120 intermediate core assembly molding mold, including a molding linear plate, a No. 1 core box, a No. 2 core box, a No. 4 core box and a No. 8 core box, the molding linear plate includes a bottom plate and a threaded hole, the threaded hole is a hollow structure, and a plurality of the threaded holes are respectively connected to a surface of the bottom plate, the No. 1 core box includes a No. 1 template and a No. 1 core, the No. 1 template is a hollow structure, and a surface of the No. 1 core is connected to an inner surface of the No. 1 template, the No. 2 core box includes a No. 2 template and a No. 2 core, the No. 2 template is a hollow structure, and a surface of the No. 2 core is connected to an inner surface of the No. 2 template, the No. 4 core box includes a No. 4 template and a No. 4 core, the No. 4 template is a hollow structure, and a surface of the No. 4 core is connected to an inner surface of the No. 4 template, the No. 8 core box includes a No. 8 core and a gear, and a surface of the No. 8 core is connected to a surface of the gear.

[0006] Preferably, the molding linear plate also includes a molding groove and a core body, one surface of the molding groove is connected to a surface of the bottom plate, the molding groove is a hollow structure, and the core body is arranged in the molding groove, wherein there are six threaded holes in total, and the threaded holes are used for threaded connection to fix the molding linear plate so that each part of the core is accurately positioned, the bottom plate is the base of the entire molding linear plate, and the molding groove is used for molding to form the core body, and the core body is an important component for core making.

[0007] Preferably, the molding linear plate also includes conical columns, square columns and connecting steps, a surface of several of the conical columns is respectively connected to the inner surface of the molding groove, a surface of several of the square columns is respectively connected to a surface of several conical columns, and a surface of the connecting step is connected to a surface of the core body, wherein there are four conical columns in total, which are used to fix the core body, there are six square columns in total, which are used to connect different conical columns, and the connecting step is used to connect the conical columns and the core body.

[0008] Preferably, the molding linear plate also includes a square pad and a positioning square cone plate, one surface of the square pad is connected to the inner surface of the molding groove, one surface of the positioning square cone plate is connected to one surface of the square pad, the square pad is used to install the positioning square cone plate, and the positioning square cone plate is used to position the molding linear plate.

[0009] Preferably, the core box No. 1 also includes positioning holes and cavity No. 1, a surface of several of the positioning holes is connected to a surface of template No. 1, a surface of cavity No. 1 is connected to the inner surface of template No. 1, wherein there are eight positioning holes in total, the positioning holes are used to position core No. 1 and cavity No. 1, template No. 1 is used to set cavity No. 1, core No. 1 is the required core body, and cavity No. 1 is used to make core No. 1.

[0010] Preferably, the core box No. 2 also includes a positioning cone column and a cavity No. 2, and a surface of several of the positioning cone columns are respectively connected to a surface of template No. 2, and a surface of the core No. 2 is connected to the inner surface of template No. 2, wherein there are five positioning cone columns in total, and the positioning cone columns are used to position core No. 2 and cavity No. 2, template No. 2 is used to set cavity No. 2, core No. 2 is the required core body, and cavity No. 2 is used to make core No. 2.

[0011] Preferably, the core box No. 4 also includes a positioning column, a center cone column and a cavity No. 4, a surface of the core No. 4 is connected to the inner surface of the template No. 4, a surface of several of the positioning columns are connected to a surface of the core No. 4, a surface of the center cone column is connected to a surface of the cavity No. 4, wherein there are six positioning columns in total, the positioning columns are used to position the core No. 4 and the cavity No. 4, the template No. 4 is used to set the cavity No. 4, the core No. 4 is the required core body, and the center cone column is used to cooperate with the cavity No. 4 to make the core No. 4.

[0012] Preferably, the No. 8 core box also includes an arc platform and a center axis, a surface of the arc platform is connected to a surface of the No. 8 core, the center axis is arranged on one side surface of the No. 8 core, the No. 8 core is the required core body, and the center axis is used to install gears.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In the present invention, the threaded holes are used for threaded connection to fix the molding linear plate so that each part of the core is accurately positioned. The bottom plate is the base of the entire molding linear plate. The molding groove is used for molding to form a core body. The core body is an important component for core making. The conical column is used to fix the core body. The square column is used to connect different conical columns. The connecting step is used to connect the conical column and the core body. The square pad is used to install and position the square conical plate. The positioning square conical plate is used to position the molding linear plate.

[0015] In the present invention, the positioning hole is used to position core No. 1 and cavity No. 1, template No. 1 is used to set cavity No. 1, core No. 1 is the required core body, cavity No. 1 is used to make core No. 1, the positioning cone column is used to position core No. 2 and cavity No. 2, template No. 2 is used to set cavity No. 2, core No. 2 is the required core body, cavity No. 2 is used to make core No. 2, the positioning column is used to position core No. 4 and cavity No. 4, template No. 4 is used to set cavity No. 4, core No. 4 is the required core body, and the center cone column is used to cooperate with cavity No. 4 to make core No. 4.

[0016] In the present invention, the No. 8 core is the required core body, the central axis is used to install the gear, and a molding line and coated sand combined molding process is adopted, which completely solves the problem of inaccurate core parts during 120 intermediate casting, and greatly improves the quality of the 120 intermediate casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a 120 intermediate core assembly molding die molding line plate of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall structure of a No. 1 core box of a 120 intermediate core assembly molding mold of the present invention;

[0019] Figure 3 It is a schematic diagram of the overall structure of a No. 2 core box of a 120 intermediate core assembly molding mold of the present invention;

[0020] Figure 4 It is a schematic diagram of the overall structure of a No. 4 core box of a 120 intermediate core assembly molding mold of the present invention;

[0021] Figure 5 It is a schematic diagram of the overall structure of a No. 8 core box of a 120 intermediate core assembly molding mold of the present invention;

[0022] Figure 6 It is an isometric overall structural schematic diagram of a 120 intermediate core assembly molding die molding linear plate of the present invention;

[0023] In the figure: 100, molding linear plate; 110, bottom plate; 120, threaded hole; 130, molding groove; 140, core body; 150, cone column; 160, square column; 170, connecting step; 180, square pad; 190, positioning square cone plate; 200, No. 1 core box; 210, No. 1 template; 220, No. 1 core; 230, positioning hole; 240, No. 1 cavity; 300 , core box No. 2; 310, template No. 2; 320, core No. 2; 330, positioning cone column; 340, cavity No. 2; 400, core box No. 4; 410, template No. 4; 420, core No. 4; 430, positioning column; 440, center cone column; 450, cavity No. 4; 500, core box No. 8; 510, arc table; 520, core No. 8; 530, gear; 540, center shaft. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Please refer to Figure 1-6As shown, the present invention is a 120 intermediate core assembly molding die, comprising a molding line plate 100, a No. 1 core box 200, a No. 2 core box 300, a No. 4 core box 400 and a No. 8 core box 500, the molding line plate 100 comprises a bottom plate 110, a threaded hole 120, the threaded hole 120 is a hollow structure, and a plurality of threaded holes 120 are connected to a surface of the bottom plate 110, respectively, the No. 1 core box 200 comprises a No. 1 template 210 and a No. 1 core 220, the No. 1 template 210 is a hollow structure, and a surface of the No. 1 core 220 is connected to a surface of the No. 1 template 210 inner surface is connected, core box No. 2 300 includes template No. 2 310 and core No. 2 320, template No. 2 310 is a hollow structure, one surface of core No. 2 320 is connected to the inner surface of template No. 2 310, core box No. 4 400 includes template No. 4 410 and core No. 4 420, template No. 4 410 is a hollow structure, one surface of core No. 4 420 is connected to the inner surface of template No. 4 410, core box No. 8 500 includes core No. 8 520 and gear 530, one surface of core No. 8 520 is connected to one surface of gear 530.

[0028] Furthermore, the molding linear plate 100 also includes a molding groove 130 and a core body 140. One surface of the molding groove 130 is connected to a surface of the base plate 110. The molding groove 130 is a hollow structure. The core body 140 is arranged in the molding groove 130. There are six threaded holes 120. The threaded holes 120 are used for threaded connection to fix the molding linear plate 100 so that each part of the core is accurately positioned. The base plate 110 is the base of the entire molding linear plate 100. The molding groove 130 is used for molding to form the core body 140. The core body 140 is an important component for core making.

[0029] Furthermore, the molding linear plate 100 also includes conical columns 150, square columns 160 and connecting steps 170, wherein a surface of several conical columns 150 is respectively connected to the inner surface of the molding groove 130, a surface of several square columns 160 is respectively connected to a surface of several conical columns 150, a surface of the connecting steps 170 is connected to a surface of the core body 140, wherein there are four conical columns 150, which are used to fix the core body 140, there are six square columns 160, which are used to connect different conical columns 150, and the connecting steps 170 is used to connect the conical columns 150 and the core body 140.

[0030] Furthermore, the modeling linear plate 100 also includes a square pad 180 and a positioning square cone plate 190. One surface of the square pad 180 is connected to the inner surface of the modeling groove 130, and one surface of the positioning square cone plate 190 is connected to one surface of the square pad 180. The square pad 180 is used to install the positioning square cone plate 190, and the positioning square cone plate 190 is used to position the modeling linear plate 100.

[0031] Furthermore, core box No. 1 200 also includes positioning holes 230 and cavity No. 1 240, a surface of several positioning holes 230 is connected to a surface of template No. 1 210, a surface of cavity No. 1 240 is connected to the inner surface of template No. 1 210, wherein there are eight positioning holes 230 in total, the positioning holes 230 are used to position core No. 1 220 and cavity No. 1 240, template No. 1 210 is used to set cavity No. 1 240, core No. 1 220 is the required core body, and cavity No. 1 240 is used to make core No. 1 220.

[0032] Furthermore, core box No. 2 300 also includes positioning cone columns 330 and cavity No. 2 340, and a surface of several positioning cone columns 330 are respectively connected to a surface of template No. 2 310, and a surface of core No. 2 320 is connected to the inner surface of template No. 2 310, wherein there are five positioning cone columns 330 in total, and the positioning cone columns 330 are used to position core No. 2 320 and cavity No. 2 340, template No. 2 310 is used to set cavity No. 2 340, core No. 2 320 is the required core body, and cavity No. 2 340 is used to make core No. 2 320.

[0033] Furthermore, core box No. 400 also includes positioning columns 430, center cone columns 440 and cavity No. 4 450. One surface of core No. 4 420 is connected to the inner surface of template No. 4 410. A surface of several positioning columns 430 is connected to a surface of core No. 4 420. A surface of center cone columns 440 is connected to a surface of cavity No. 4 450. There are six positioning columns 430 in total. The positioning columns 430 are used to position core No. 4 420 and cavity No. 4 450. Template No. 410 is used to set cavity No. 4 450. Core No. 4 420 is the required core body. Center cone column 440 is used to cooperate with cavity No. 4 450 to make core No. 4 420.

[0034] Furthermore, the No. 8 core box 500 also includes an arc platform 510 and a center shaft 540. One surface of the arc platform 510 is connected to one surface of the No. 8 core 520. The center shaft 540 is arranged on one side surface of the No. 8 core 520. The No. 8 core 520 is the required core body, and the center shaft 540 is used to install the gear 530.

[0035] The working principle of the present invention is:

[0036] Please refer to Figure 1-6 As shown, the present invention is a 120 intermediate core assembly molding die:

[0037] The threaded hole 120 is used for threaded connection to fix the molding linear plate 100 so that each part of the core is accurately positioned. The bottom plate 110 is the base of the entire molding linear plate 100. The molding groove 130 is used for molding to form the core body 140. The core body 140 is an important component for core making. The conical column 150 is used to fix the core body 140. The square column 160 is used to connect different conical columns 150. The connecting step 170 is used to connect the conical column 150 and the core body 140. The square pad 180 is used to install and position the square conical plate 190. The positioning square conical plate 190 is used to position the molding linear plate 100.

[0038] The positioning hole 230 is used to position core No. 1 220 and cavity No. 1 240, template No. 1 210 is used to set cavity No. 1 240, core No. 1 220 is the required core body, and cavity No. 1 240 is used to make core No. 1 220, the positioning cone column 330 is used to position core No. 2 320 and cavity No. 2 340, template No. 2 310 is used to set cavity No. 2 340, core No. 2 320 is the required core body, and cavity No. 2 340 is used to make core No. 2 320, the positioning column 430 is used to position core No. 4 420 and cavity No. 4 450, template No. 4 410 is used to set cavity No. 4 450, core No. 4 420 is the required core body, and the center cone column 440 is used to cooperate with cavity No. 4 450 to make core No. 4 420.

[0039] Core No. 8 520 is the required core body, and the center shaft 540 is used to install the gear 530. The combined molding process of molding line and coated sand is adopted to completely solve the problem of inaccurate core parts during the casting of the 120 intermediate, which greatly improves the quality of the 120 intermediate casting.

[0040] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A 120 intermediate core assembly molding die, comprising a molding line plate (100), a No. 1 core box (200), a No. 2 core box (300), a No. 4 core box (400) and a No. 8 core box (500), characterized in that: The molding line plate (100) comprises a bottom plate (110) and threaded holes (120), wherein the threaded holes (120) are hollow structures, and one surface of a plurality of the threaded holes (120) is respectively connected to one surface of the bottom plate (110). The No. 1 core box (200) comprises a No. 1 template (210) and a No. 1 core (220), wherein the No. 1 template (210) is hollow, and one surface of the No. 1 core (220) is connected to the inner surface of the No. 1 template (210). The No. 2 core box (300) comprises a No. 2 template (310) and a No. 2 core (320). 0), the No. 2 template (310) is a hollow structure, a surface of the No. 2 core (320) is connected to the inner surface of the No. 2 template (310), the No. 4 core box (400) includes a No. 4 template (410) and a No. 4 core (420), the No. 4 template (410) is a hollow structure, a surface of the No. 4 core (420) is connected to the inner surface of the No. 4 template (410), the No. 8 core box (500) includes a No. 8 core (520) and a gear (530), and a surface of the No. 8 core (520) is connected to a surface of the gear (530); The molding line plate (100) further comprises a molding groove (130) and a core body (140); a surface of the molding groove (130) is connected to a surface of the bottom plate (110); the molding groove (130) is a hollow structure; and the core body (140) is disposed in the molding groove (130); The molding linear plate (100) further comprises a conical column (150), a square column (160) and a connecting step (170); a surface of a plurality of the conical columns (150) is respectively connected to the inner surface of the molding groove (130); a surface of a plurality of the square columns (160) is respectively connected to a surface of a plurality of the conical columns (150); and a surface of the connecting step (170) is connected to a surface of the core body (140).

2. A 120 intermediate core assembly molding die according to claim 1, characterized in that: The molding linear plate (100) further comprises a square pad (180) and a positioning square cone plate (190), wherein one surface of the square pad (180) is connected to the inner surface of the molding groove (130), and one surface of the positioning square cone plate (190) is connected to one surface of the square pad (180).

3. The 120 intermediate core assembly molding die according to claim 1, characterized in that: The No. 1 core box (200) further comprises positioning holes (230) and a No. 1 cavity (240), a surface of a plurality of the positioning holes (230) being connected to a surface of the No. 1 template (210), and a surface of the No. 1 cavity (240) being connected to an inner surface of the No. 1 template (210).

4. The 120 intermediate core assembly molding die according to claim 1, characterized in that: The No. 2 core box (300) further comprises a positioning cone column (330) and a No. 2 mold cavity (340), and a surface of a plurality of the positioning cone columns (330) are respectively connected to a surface of the No. 2 mold plate (310).

5. The 120 intermediate core assembly molding die according to claim 1, characterized in that: The No. 4 core box (400) further comprises positioning columns (430), a central cone column (440) and a No. 4 cavity (450), wherein one surface of the positioning columns (430) is connected to one surface of the No. 4 core (420), and one surface of the central cone column (440) is connected to one surface of the No. 4 cavity (450).

6. The 120 intermediate core assembly molding die according to claim 1, characterized in that: The No. 8 core box (500) further comprises an arc platform (510) and a central axis (540), wherein one surface of the arc platform (510) is connected to one surface of the No. 8 core (520), and the central axis (540) is arranged on one side surface of the No. 8 core (520).

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