Core box mold for removing fork casting mark
By applying an integrated core box mold structure and a cam locking mechanism, the problems of low efficiency and unsatisfactory locking in the existing railway frog casting marking process are solved, and the marking sand cores are positioned quickly and prepared efficiently.
Patent Information
- Application Number
- CN202423205879.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing core box molds in railway turnout casting suffer from problems such as tedious preparation process, low efficiency, and unsatisfactory locking effect. In particular, the use of universal shared core boxes leads to wear of the marking sand core and inaccurate length positioning.
The core box adopts an integrated mold structure, including a base plate assembly, a lettering mold, and a cam locking mechanism. The lettering mold is quickly positioned through a positioning groove, and the core box body is quickly locked and opened/closed using the cam locking mechanism.
It improves core-making efficiency and molding quality, reduces wear and dimensional inaccuracies in marking sand cores, and enhances ease of operation and locking force.
Smart Images
Figure CN223801499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to railway frog sand casting technical field, especially, relate to a core box mould for withdrawing fork casting mark. BACKGROUND
[0002] Railway frog is the main product of making train wheel turn to another steel rail, its production mode belongs to sand casting technical field, in the process of casting production, for management and distinction of various frog products, we usually need to cast some mark contents on the frog, including "factory mark + model + serial number + CRCC certification number" information.
[0003] At present, frog product mark is directly cast on the rail wall of frog body, as shown in the accompanying Figure 1 When casting, the letter mould is embedded in the core box mould in advance, and four sand cores with casting mark contents are filled in the core sand; the sand cores are directly pasted on the two rail walls of the frog wooden model according to certain order requirements when the frog is shaped, and the sand consumption between the four sand cores is a certain distance; then the remaining molding sand is filled in, the sand box is buckled and compacted; finally, the smelted metal solution is poured into the cavity, and the frog casting with product mark information is obtained.
[0004] At present, the preparation method of frog casting mark sand core is as shown in the accompanying Figure 2 Firstly, the bottom plate of the general core box is placed on the workbench, and then the mark letter mould is placed on the upper surface of the bottom plate; then the front and rear assemblies are aligned, the lower side is pasted tightly with the mark letter mould, the two movable blocks are placed between the front and rear assemblies, the left and right assemblies of the core box are borne, a complete core box is formed, the wooden wedge is clamped on the two sides of the front and rear assemblies, and the core box locking is confirmed to be completed; then the core sand is filled in the core box, the gas is introduced after being tamped and compacted, and the core sand is hardened; finally, the wooden wedge is loosened to open the core box assembly, and the preparation of the mark sand core is completed.
[0005] In the prior art, the following problems exist:
[0006] 1) The core box mould used is a general shared core box, which is not a special core box mould, and different length sand cores are mainly made by relying on two movable blocks in the core box, the overall workmanship is rough, the length size positioning is not accurate, and thus the surface of the mark sand core is often worn and broken when the mark sand core is taken out.
[0007] 2) The material of the core box is made of detachable pine, and the core box assembly is worn after being used for many times, needs to be repaired irregularly, and causes the prepared mark sand core to be damaged.
[0008] 3) the locking method of the core box used is to clamp tapered wedges on the front and rear assemblies of the core box, and then manually knock the wedges, and the locking effect is not ideal by means of the interference fit of the wedges and the core box; the core box is locked before the core is made, and the wedges are loosened after the core is made, the front and rear assemblies of the core box are opened, and the identification sand core is taken out, and the whole sand core preparation process is trivial and low in efficiency. Utility model content
[0009] The utility model provides a core box mould for withdrawing fork casting identification, to solve the whole sand mould preparation process trivial, low efficiency, and the technical problem of the ideal core box locking effect of existing core box mould.
[0010] The utility model adopts the technical scheme as follows:
[0011] A core box mould for withdrawing fork casting identification, comprising: a bottom plate assembly for installation, support and limiting, an identification character mould for enabling the formed identification sand core to have casting identification content, an openable and closable core box body, and two sets of cam locking mechanisms for locking and fixing the core box body; the bottom plate assembly has a positioning groove arranged concavely thereon, and the identification character mould is positioned and mounted in the positioning groove; the core box body is arranged on the bottom plate assembly and abuts against the bottom plate assembly at one end, and the upper end of the identification character mould extends into the core box body from the bottom end of the core box body, so that the inner cavity of the core box body forms a forming cavity for forming the identification sand core; the two sets of cam locking mechanisms are connected to the bottom plate assembly and arranged on the two sides in the opening and closing direction of the core box body, so as to rotate and abut against the core box body under the action of external force to lock and fix the core box body.
[0012] Further, the bottom plate assembly comprises a bottom plate for installation and support, and a limiting plate for limiting; the upper surface of the bottom plate is concavely extended to form a positioning groove; the limiting plate is vertically arranged on the bottom plate and located on one side of the length direction of the positioning groove, so as to abut against the end of the core box body and limit the core box body along the length direction.
[0013] Further, the identification character mould comprises a plate-shaped character mould base and character mould characters arranged convexly on the surface of the character mould base; the character mould base is positioned and mounted in the positioning groove; the character mould characters extend into the core box body upward from the bottom end of the core box body after being positioned behind the positioning groove.
[0014] Further, the character mould base is matched with the positioning groove, and the upper surface of the character mould base is flush with the upper surface of the bottom plate; the character mould characters are located in the middle part of the character mould base, so that the bottom end of the core box body is pressed on the character mould base on both sides of the height direction of the character mould characters.
[0015] Further, an inclined surface with an angle greater than 90 degrees is formed on the connecting part between the inner side wall of the core box body and the upper surface of the character mould base, so as to match the formed identification character mould with the positioning cavity arranged concavely on the withdrawing fork bottom plate of the withdrawing fork wooden mould.
[0016] Further, the core box body is a hollow box shape with two ends communicating, comprising a front box body and a rear box body arranged along the length direction and split in half, and the front box body, the rear box body and the identification character mold surround a forming cavity.
[0017] Further, the front box body and the rear box body each comprise a box long side arranged along the length direction, and a box short side perpendicularly connected to both ends of the box long side; the two corresponding box short sides of the front box body and the rear box body are one-to-one top abutting connection to form the core box body.
[0018] Further, the core box body further comprises a positioning pin perpendicularly connected to the box short side of the front box body; the corresponding box short side of the rear box body is provided with a concave extending pin hole, so that the front box body and the rear box body are quickly positioned and connected after the positioning pin is inserted into the pin hole.
[0019] Further, the cam locking mechanism comprises a mounting column perpendicularly fixed on the bottom plate, a cam rotatably sleeved on the outer circle of the mounting column, and a handle for driving the cam; one end of the handle is fixedly connected with the cam, so as to drive the cam to rotate around the mounting column under the action of external force, and then the two oppositely arranged cams relatively abut to fix the core box body.
[0020] Further, the cam is in the shape of a sector, the proximal end of the cam is sleeved on the outer circle of the mounting column, and the handle is perpendicularly connected to the proximal end of the cam; the end face of the distal end of the cam is an arc face, so as to be self-locked when the highest point of the arc face of the distal end abuts against the core box body to fix the core box body.
[0021] The utility model has the following beneficial effects:
[0022] Compared with the prior art that the core box is temporarily assembled by front and rear assemblies and two groups of movable stop blocks, in the core box mold of the utility model, the core box body is a whole piece with opening and closing structure, the whole structure of the core box body is simple, the spare parts are few and the manufacturing is convenient, thereby solving the problems that the existing core box needs to be temporarily assembled, the components are many and the opening and closing operation is complicated and low in efficiency; during use, the identification character mold can be quickly positioned through the positioning groove arranged on the bottom plate assembly, and the core box body can be quickly positioned through the bottom plate assembly and the identification character mold, so that the positioning operation is simple and fast, which is beneficial to improving the core making efficiency and the forming quality; in the core box mold of the utility model, two groups of cam locking mechanisms are used to cooperate to lock and fix the core box body, and the operator only needs to rotate the cam locking mechanism to complete the opening and closing of the core box body, so that the opening and closing operation of the core box body is simple, which is convenient for the operator to operate and ensures that the core box body has enough locking force when closed and does not loosen at will.
[0023] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0024] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the present application illustrated in the drawings and their descriptions are used to explain the present application and are not intended to limit the present application. In the drawings:
[0025] Figure 1 is a schematic diagram of a prior fork casting identification;
[0026] Figure 2 is a schematic diagram of a core box mold for preparing a fork casting identification sand core;
[0027] Figure 3 is a schematic diagram of an optimized fork wooden mold sand core positioning cavity;
[0028] Figure 4 is a schematic diagram of an optimized identification sand core placed on a fork wooden mold for molding;
[0029] Figure 5 is a schematic diagram of a spatial structure of a core box mold for a fork casting identification according to a preferred embodiment of the present application;
[0030] Figure 6 is a schematic diagram of a top view structure of Figure 5 ;
[0031] Figure 7 is a schematic diagram of a partial cross-sectional structure of Figure 5 ;
[0032] Figure 8 is a schematic diagram of a split of a core box body in Figure 5 ;
[0033] Figure 9 is a schematic diagram of a front view structure of a bottom plate assembly in Figure 5 ;
[0034] Figure 10 is a schematic diagram of a top view structure of Figure 9 ;
[0035] Figure 11 is a schematic diagram of a top view structure of an identification character mold;
[0036] Figure 12 is a schematic diagram of a front view structure of Figure 11 ;
[0037] Figure 13 is a schematic diagram of a cross section of an identification sand core in Figure 5 ;
[0038] Figure 14 is a schematic diagram of a bottom view structure of an identification sand core;
[0039] Figure 15is a schematic view of the state of the core box body after the identification sand core is installed.
[0040] Legend:
[0041] 1, bottom plate assembly; 101, positioning groove; 11, bottom plate; 12, limiting plate;
[0042] 2, identification sand core;
[0043] 3, identification character matrix; 31, character matrix base; 32, character matrix character;
[0044] 4, core box body; 401, forming cavity; 402, pin hole; 41, front box body; 42, rear box body; 43, positioning pin;
[0045] 5, cam locking mechanism; 51, mounting column; 52, cam; 53, handle;
[0046] 6, fork wooden mold; 601, positioning cavity. DETAILED DESCRIPTION
[0047] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, but the present application can be implemented in various different ways as defined and covered below.
[0048] Reference Figures 5-6 The preferred embodiment of the present application provides a core box mold for fork casting identification, comprising: a bottom plate assembly 1 for installation, support and limiting, an identification character matrix 3 for forming an identification sand core 2 with casting identification content, an openable and closable core box body 4, and two groups of cam locking mechanisms 5 for locking and fixing the core box body 4. The bottom plate assembly 1 has an inner recessed positioning groove 101, and the identification character matrix 3 is installed and positioned in the positioning groove 101. The core box body 4 is supported on the bottom plate assembly 1 and abuts against the bottom plate assembly 1 at one end, and the upper end of the identification character matrix 3 extends into the core box body 4 from the bottom end of the core box body 4, so that the inner cavity of the core box body 4 forms a forming cavity 401 for forming the identification sand core 2. The two groups of cam locking mechanisms 5 are connected to the bottom plate assembly 1 and are arranged on both sides of the opening and closing direction of the core box body 4, so as to be rotated and relatively tightly abut against the core box body 4 under the action of external force to lock and fix the core box body 4.
[0049] When the core box mold is used to make the marking sand core 2, first, the bottom plate assembly 1 is installed and positioned on the workbench, then the marking letter mold 3 is installed and positioned in the positioning groove 101, then the components of the core box body 4 are placed on the bottom plate assembly 1, then the components are assembled to form the whole of the core box body 4, and one end of the core box body 4 abuts against the bottom plate assembly 1 for limiting, at this time, the upper end of the marking letter mold 3 extends into the core box body 4 from the bottom end of the core box body 4, finally, the two sets of cam locking mechanisms 5 are forced to move, so that the two sets of cam locking mechanisms 5 are rotated and abut against the core box body 4 to fix the core box body 4 to form a complete core box, and finally, sand is filled in the core box to form the marking sand core 2.
[0050] Compared with the prior art that the core box is temporarily assembled by front and rear components and two sets of movable stop blocks, in the core box mold, the core box body 4 is a whole structure component with an opening and closing structure, the whole structure of the core box body 4 is simple, the components are few, and the core box body 4 is convenient to manufacture, thereby solving the problems that the existing core box needs to be temporarily assembled, the components are many, and the opening and closing operation is complicated and low in efficiency; when used, the marking letter mold 3 can be quickly positioned through the positioning groove 101 arranged on the bottom plate assembly 1, and the core box body 4 can be quickly positioned through the bottom plate assembly 1 and the marking letter mold 3, so that the positioning operation is simple and fast, and the core making efficiency and the forming quality are improved; in the core box mold, the two sets of cam locking mechanisms 5 are used to cooperate to lock and fix the core box body 4, when operated, the operator only needs to rotate the cam locking mechanism 5 to complete the opening and closing of the core box body 4, the opening and closing operation of the core box body 4 is simple, the operator can operate personally, and the core box body 4 is tightly locked when closed.
[0051] Preferably, the core box mold is customized by a metal material. The special core box mold customized by the metal material can provide the service life, effectively reduce the weight, improve the appearance effect of the marking sand core 2, reduce the edge and surface damage problems and the size unqualified problem of the marking sand core 2, and on the other hand, the cam locking mechanism 5 prepared by the metal material has greater locking force and better locking effect than the existing wedge locking.
[0052] Optionally, as shown in Figures 9-10 The upper surface of the bottom plate 11 is concave to extend to form the positioning groove 101. The limiting plate 12 is vertically arranged on the bottom plate 11 and located on one side of the length direction of the positioning groove 101, so as to abut against the end of the core box body 4 to limit the core box body 4 along the length direction, thereby quickly improving the installation and positioning efficiency of the core box body 4.
[0053] Optionally, as shown in Figure 7 , Figures 11-12As shown, the identification character matrix 3 comprises a plate-shaped character matrix base 31 and character matrix characters 32 which are outwardly protruding on the surface of the character matrix base 31. The character matrix base 31 is positioned and arranged in the positioning groove 101. The character matrix characters 32 protrude out of the positioning groove 101 and extend upwardly into the core box body 4 from the bottom end of the core box body 4.
[0054] Preferably, as shown in Figure 15 the character matrix base 31 is arranged in matching with the positioning groove 101, and the upper surface of the character matrix base 31 is flush with the upper surface of the bottom plate 11. The character matrix characters 32 are located in the middle of the character matrix base 31, so that the bottom end of the core box body 4 is pressed against the character matrix base 31 on both sides of the character matrix characters 32 in the height direction. In actual design, a positioning groove with a depth of 45 mm and a height of 50 mm is designed in the middle of the bottom plate 11, and the positioning groove is used to place the identification character matrix 3. (In the latest design, the cast identification characters are 3 mm thick and 30 mm high, and the character matrix base 31 is designed to be 4 mm thick and 50 mm high, with a 10 mm blank reserved each time.) The thickness and height of the character matrix base 31 are exactly the same as the positioning groove on the bottom plate 11, so that the operator can quickly position and place the identification character matrix 3. The width of the character matrix base 31 is designed to be larger than that of the character matrix characters 32 (for example, when a character with a height of 30 mm is needed, the character matrix base 31 below is usually designed to be 50 mm), so that the bottom end of the core box body 4 presses a part of the character matrix base 31, thereby preventing the character matrix characters 32 from shaking randomly during the core making process. When positioning, the limiting plate 12 is installed on the left side of the positioning groove in the middle of the bottom plate 11 and is fixed with the bottom plate 11, serving as the positioning function of the core box body 4. After the operator places the core box body 4 on the bottom plate 11, the core box body 4 is only needed to be attached to the limiting plate 12 at the end, so as to ensure that the core box body 4 is positioned directly above the positioning groove and presses the character matrix base 31 in the positioning groove.
[0055] Preferably, as shown in Figures 3-4 , Figure 7 , Figures 13-14 the inner side wall of the core box body 4 is processed to form an inclined surface with an angle greater than 90 degrees at the connection with the upper surface of the character matrix base 31, so as to match the identification character matrix 3 with the positioning cavity 601 which is inwardly recessed on the frog bottom plate 11 of the frog wooden mold 6. In design, with the adjustment of the factory cast identification structure to the structure of "sink groove + protruding characters", the position of the cast identification has been adjusted from the frog rail wall to the frog bottom plate, and the bottom plate of the frog wooden mold has two inwardly recessed positioning cavities 601. The positioning cavity 601 is a square cavity, and the cavity side wall and the cavity bottom surface thereof have an angle greater than 90 degrees, and the adjacent two cavity side walls are connected by a circular arc transition, as shown in the attached drawings. Figure 3As shown in the figure. When the frog is shaped, the operator only needs to directly put two identification sand cores 2 into the two positioning cavities 601 of the frog model, the part of the identification sand core 2 inserted into the positioning cavity 601 matches the shape of the positioning cavity 601, and then the positioning cavity 601 and the corresponding identification sand core 2 are quickly matched and positioned, thereby improving the work efficiency of the operator, as shown in the accompanying Figure 4 As shown in the figure.
[0056] Optionally, as shown in the figure. Figure 5 and Figure 8 As shown in the figure, the core box body 4 is a hollow box shape with two ends connected, including a front box body 41 and a rear box body 42 arranged along the length direction and split in half, and the front box body 41, the rear box body 42 and the identification character mold 3 surround the forming cavity 401.
[0057] Further, as shown in the figure. Figure 8 As shown in the figure, the front box body 41 and the rear box body 42 each include a box long side arranged along the length direction, and a box short side perpendicularly connected to both ends of the box long side. The two corresponding box short sides of the front box body 41 and the rear box body 42 are one-to-one top-stop connected to form the core box body 4. The core box body 4 of the utility model optimizes and integrates the original left and right movable blocks of the core box to the box long side, and is integrally processed and manufactured, thereby reducing the number of parts of the core box body 4. At the same time, after canceling the original movable blocks that can be adjusted left and right, the length of the sand core of each core box body 4 is set to be fixed, which is in resonance with the length of the positioning cavity 601 reserved on the frog wood mold 6, thereby facilitating the quick positioning of the identification sand core 2.
[0058] Preferably, as shown in the figure. Figure 8 As shown in the figure, the core box body 4 further includes a positioning pin 43 perpendicularly connected to the box short side of the front box body 41. The corresponding box short side of the rear box body 42 is provided with a concave extending pin hole 402, so that the front box body 41 and the rear box body 42 are quickly positioned and connected after the positioning pin 43 is inserted into the pin hole 402. The front box body 41 and the rear box body 42 are folded to form the four surrounding core cavities of the identification sand core 2, wherein the box short side of the front box body 41 is provided with a positioning pin 43, and the corresponding box short side of the rear box body 42 is provided with a pin hole 402. The positioning pin 43 and the pin hole 402 cooperate to quickly fold the front box body 41 and the rear box body 42, thereby quickly improving the installation efficiency of the core mold.
[0059] Optionally, as shown in the figure. Figures 5-6As shown in the drawings, the cam locking mechanism 5 comprises a mounting column 51 fixed vertically on the bottom plate 11, a cam 52 rotatably sleeved on the outer circle of the mounting column 51, and a handle 53 for driving the cam 52. One end of the handle 53 is fixedly connected with the cam 52, so as to drive the cam 52 to rotate around the mounting column 51 under the action of external force, and then make the two oppositely arranged cams 52 abut against and lock the core box body 4. In operation, the handle 53 is forced, the handle 53 drives the cam 52 to rotate around the mounting column 51, and when the cam 52 is rotated to the position, it abuts against the core box body 4, thereby locking the core box body 4.
[0060] In the optional solution, as shown in the drawings, Figure 6 The cam 52 is in the shape of a sector, the proximal end of which is sleeved on the outer circle of the mounting column 51, and the handle 53 is vertically connected with the proximal end of the cam 52. The end face of the distal end of the cam 52 is an arc face, so as to be self-locked when the highest point of the distal end arc face abuts against the core box body 4, thereby fixing the core box body 4. In the optional solution, the locking mode of the core box body 4 adopts the metal cam type handle mechanism, the operator only needs to control the two handles 53, so as to complete the opening and closing of the core box body 4, the opening and closing operation is simple, and meanwhile, the metal cam mechanism has larger locking force and better locking effect than the original wooden wedge.
[0061] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A core-box mold for withdrawing a fork-cast identification, characterized by, It comprises: a bottom plate assembly (1) for installation support and limiting, a marking character mold (3) for making the cast marking content on the formed marking sand core (2), an open-close core box body (4), and two sets of cam locking mechanisms (5) for locking and fixing the core box body (4); the bottom plate assembly (1) has an inner recessed positioning groove (101), and the marking character mold (3) is installed and positioned in the positioning groove (101); the core box body (4) is supported on the bottom plate assembly (1) and abuts against the bottom plate assembly (1) at one end, and the upper end of the marking character mold (3) extends into the core box body (4) from the bottom end of the core box body (4), so that the inner cavity of the core box body (4) forms a forming cavity (401) for forming the marking sand core (2); the two sets of cam locking mechanisms (5) are connected to the bottom plate assembly (1) and are arranged on both sides of the opening and closing direction of the core box body (4), so as to rotate and relatively tightly abut against the core box body (4) under the action of external force to lock and fix the core box body (4).
2. The core box mold for withdrawing fork casting marking according to claim 1, wherein the bottom plate assembly (1) comprises a bottom plate (11) for installation support and a limiting plate (12) for limiting; the upper surface of the bottom plate (11) is recessed to form a positioning groove (101); the limiting plate (12) is vertically arranged on the bottom plate (11) and located on one side of the length direction of the positioning groove (101), so as to abut against the end of the core box body (4) and limit the length direction of the core box body (4).
3. The core box mold for withdrawing fork casting marking according to claim 1, wherein the marking character mold (3) comprises a plate-shaped character mold base (31) and character characters (32) arranged on the surface of the character mold base (31) in a convex manner; the character mold base (31) is positioned and arranged in the positioning groove (101); the character characters (32) extend upward into the core box body (4) from the bottom end of the core box body (4) after protruding out of the positioning groove (101).
4. The core box mold for withdrawing fork casting marking according to claim 3, wherein the character mold base (31) is arranged in matching with the positioning groove (101), and the upper surface of the character mold base (31) is flush with the upper surface of the bottom plate (11); the character characters (32) are located in the middle part of the character mold base (31), so that the bottom end of the core box body (4) is pressed on the character mold base (31) on both sides of the height direction of the character characters (32).
5. The core box mold for withdrawing fork casting marking according to claim 4, wherein an inclined surface with an angle greater than 90 degrees is formed on the inner side wall of the core box body (4) at the connection with the upper surface of the character mold base (31), so that the formed marking character mold (3) matches with the positioning cavity (601) arranged in an inner recess on the withdrawing fork bottom plate (11) of the withdrawing fork wooden mold (6).
6. The core box mold for withdrawing fork casting marking according to claim 2, wherein The core box body (4) is a hollow box shape with two ends communicating, comprising a front box body (41) and a rear box body (42) arranged along the length direction and cut in half, and the front box body (41), the rear box body (42) and the identification character matrix (3) surround the forming cavity (401).
7. The core box mold for casting identification according to claim 6, wherein, The front box body (41) and the rear box body (42) each comprise a box long side arranged along the length direction, and a box short side perpendicularly connected to both ends of the box long side; The two corresponding box short sides of the front box body (41) and the rear box body (42) are one-to-one top abutting connected to form the core box body (4).
8. The core box mold for casting identification according to claim 7, wherein, The core box body (4) further comprises a positioning pin (43) perpendicularly connected to the box short side of the front box body (41); The corresponding box short side of the rear box body (42) is provided with an inner recess extending pin hole (402), so that the front box body (41) and the rear box body (42) are quickly positioned and connected after the positioning pin (43) is inserted into the pin hole (402).
9. The core box mold for casting identification according to claim 2, wherein, The cam locking mechanism (5) comprises a mounting column (51) perpendicularly fixed to the bottom plate (11), a cam (52) rotatably sleeved on the outer circle of the mounting column (51), and a handle (53) for driving the cam (52); One end of the handle (53) is fixedly connected to the cam (52) for driving the cam (52) to rotate around the mounting column (51) under the action of external force, so as to relatively abut and fix the core box body (4) by the two oppositely arranged cams (52).
10. The core box mold for casting identification according to claim 9, wherein, The cam (52) is a sector shape, the proximal end of which is sleeved on the outer circle of the mounting column (51), and the handle (53) is perpendicularly connected to the proximal end of the cam (52); The end face of the distal end of the cam (52) is an arc face, so as to be self-locked when the highest point of the distal end arc face abuts against the core box body (4) to fix the core box body (4).