Forming die for manufacturing superhard material tool

By designing automated molding die components, automatic demolding of ultrahard material tools has been achieved, solving the problem of time-consuming and labor-intensive manual demolding and improving production efficiency and molding stability.

CN224011237UActive Publication Date: 2026-03-20JIANGXI ZHONGLI SUPERHARD TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing molding dies for manufacturing superhard material tools require manual operation during demolding, which is time-consuming, labor-intensive, and affects production efficiency.

Method used

A molding die was designed, comprising components such as a base, upper mold, middle mold, lower mold, hydraulic cylinder, horizontal plate, lower pressure column, support column, and dual-head motor. Automatic demolding is achieved through hydraulic and motor drive, automatically ejecting the superhard material tool and powder from the mold cavity.

Benefits of technology

It achieves automatic demolding, shortens demolding time, reduces cleaning processes, improves production efficiency, and enhances the stability and quality of the molding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of forming dies, in particular to a forming die for manufacturing superhard material tools, which comprises a base, an upper die, a middle die and a lower die, symmetrical hydraulic cylinders are fixedly mounted on the base, and a transverse plate is fixedly mounted at the ends of output shafts of the hydraulic cylinders together. A lower pressing column is fixedly installed in the middle of the transverse plate, the upper mold is arranged at the bottom end of the lower pressing column and right faces the middle mold, supporting rods which are evenly distributed are fixedly installed on the base, the top ends of the supporting rods are fixedly installed at the corners of the bottom face of the middle mold respectively, and a supporting column is arranged on the base. According to the forming mold for manufacturing the superhard material tool, after the superhard material tool is formed, the superhard material tool and possibly residual powder can be automatically pushed out of the mold cavity, the demolding time is shortened, the cleaning procedure is reduced, the production efficiency is effectively improved, and practicability is high.
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Description

Technical Field

[0001] This utility model belongs to the field of molding die technology, and in particular relates to a molding die for manufacturing tools made of superhard materials. Background Technology

[0002] Superhard material tools refer to tools that use superhard materials such as diamond and cubic boron nitride as their working parts. These include ceramic superhard grinding wheels, resin superhard grinding discs, diamond tools, and cubic boron nitride tools. The production and processing of superhard material tools requires the use of forming molds, such as diamond sintering molds and cubic boron nitride tool pressing molds. These molds are usually made of materials such as cemented carbide or ceramics to meet the high-strength forming requirements.

[0003] Existing molding dies for manufacturing superhard material tools typically require manual operation to remove the molded tool and clean any residual powder from the mold cavity after the superhard material tool powder is compressed and molded. This is time-consuming, labor-intensive, and affects production efficiency. Therefore, an improvement is needed. To address this, a molding die for manufacturing superhard material tools is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a molding die for manufacturing tools from superhard materials, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a forming mold for manufacturing tools from superhard materials, comprising a base, an upper mold, a middle mold, and a lower mold. Symmetrical hydraulic cylinders are fixedly mounted on the base. A horizontal plate is fixedly mounted on the ends of the output shafts of the hydraulic cylinders. A lower pressure column is fixedly mounted in the middle of the horizontal plate. The upper mold is positioned at the bottom end of the lower pressure column and faces the middle mold. Evenly distributed support rods are fixedly mounted on the base. The top ends of the support rods are fixedly mounted at the corners of the bottom surface of the middle mold. A support column is provided on the base and is vertically slidably mounted on the middle mold. The dimensions of the lower pressure column and the support column are adapted to the inner diameter of the middle mold. The lower mold is set at the top of the support column. A double-headed motor is fixedly installed in the base. The base has symmetrical movable openings. A lead screw is rotatably installed in each movable opening. The output shaft ends of the double-headed motor are fixedly installed to the ends of the lead screws. Movable blocks are horizontally slidably installed on each movable opening. The movable blocks are threadedly connected to the lead screws. Movable columns are hingedly installed on each movable block. Symmetrical limiting plates are fixedly installed on both sides of the support column. The limiting plates are vertically slidably installed on the support rod. The tops of the movable columns are hinged to the sides of the limiting plates.

[0006] As further description of the above scheme: through the cooperation between the base, the upper mold, the middle mold, the lower mold, the hydraulic cylinder, the horizontal plate, the pressing column, the supporting rod, the supporting column, the double-head motor, the movable opening, the screw rod, the movable block, the movable column and the limiting plate, after the superhard material tool is formed, the superhard material tool and the possible residual powder can be automatically pushed out of the mold cavity, the demolding time is shortened, the cleaning process is reduced, the production efficiency is effectively improved and the practicality is high.

[0007] Preferably, a positioning opening is formed in the base, and the positioning opening is matched with the size of the bottom end of the supporting column.

[0008] As further description of the above scheme: when the supporting column vertically descends to the bottom, the bottom end of the supporting column can enter the positioning opening, and the stability of the pressing forming process of the superhard material tool can be improved.

[0009] Preferably, the upper mold is connected at the bottom end of the pressing column, and the lower mold is connected at the top end of the supporting column.

[0010] As further description of the above scheme: the upper mold and the lower mold are convenient to simply disassemble and replace.

[0011] Preferably, an electronic level is arranged at the side edge of the base.

[0012] As further description of the above scheme: the electronic level is arranged at the side edge of the base, and the levelness of the whole device can be observed and adjusted.

[0013] Preferably, the base, the pressing column, the supporting column and the horizontal plate are all made of high-strength alloy material.

[0014] As further description of the above scheme: the base, the pressing column, the supporting column and the horizontal plate are all made of high-strength alloy material, and the stability of the pressing forming process of the superhard material tool can be further improved.

[0015] Preferably, a controller is arranged on the base, and the controller is electrically connected with the hydraulic cylinder and the double-head motor.

[0016] As further description of the above scheme: the controller is arranged on the base, and the pressing process of the superhard material tool can be automatically controlled.

[0017] As described above, compared with the prior art, the beneficial effects of the present application are: through the cooperation between the base, the upper mold, the middle mold, the lower mold, the hydraulic cylinder, the horizontal plate, the pressing column, the supporting rod, the supporting column, the double-head motor, the movable opening, the screw rod, the movable block, the movable column and the limiting plate, after the superhard material tool is formed, the superhard material tool and the possible residual powder can be automatically pushed out of the mold cavity, the demolding time is shortened, the cleaning process is reduced, the production efficiency is effectively improved and the practicality is high. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a front view of the structural structure of this utility model;

[0020] Figure 3 This is a structural diagram of the base and the middle mold of this utility model;

[0021] Figure 4 This is a structural diagram of the base, support column, and lower mold of this utility model;

[0022] Figure 5 This is a structural diagram of the base, movable opening, and movable block of this utility model.

[0023] Legend:

[0024] 1. Base; 2. Upper mold; 3. Middle mold; 4. Lower mold; 5. Hydraulic cylinder; 6. Horizontal plate; 7. Lower pressure column; 8. Support rod; 9. Support column; 10. Double-headed motor; 11. Movable port; 12. Lead screw; 13. Movable block; 14. Movable column; 15. Limiting plate; 16. Positioning port. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 This utility model provides a technical solution:

[0027] The utility model provides a forming die for superhard material tool manufacturing, which comprises a base 1, an upper die 2, a middle die 3 and a lower die 4, the base 1 is fixedly provided with symmetrical hydraulic cylinders 5, the output shaft ends of the hydraulic cylinders 5 are fixedly provided with a horizontal plate 6, the middle part of the horizontal plate 6 is fixedly provided with a pressing column 7, the upper die 2 is arranged at the bottom end of the pressing column 7 and faces the middle die 3, the base 1 is fixedly provided with uniformly distributed supporting rods 8, the top ends of the supporting rods 8 are fixedly provided at the bottom corners of the middle die 3, the base 1 is provided with supporting columns 9, the supporting columns 9 are vertically slidably arranged on the middle die 3, the sizes of the pressing column 7 and the supporting columns 9 are matched with the inner diameter size of the middle die 3, the lower die 4 is arranged at the top end of the supporting columns 9, the base 1 is fixedly provided with a double-head motor 10, the base 1 is provided with symmetrical movable openings 11, the movable openings 11 are rotatably provided with lead screws 12, the output shaft ends of the double-head motor 10 are fixedly provided with the lead screws 12, the movable openings 11 are horizontally slidably provided with movable blocks 13, the movable blocks 13 are threadedly connected with the lead screws 12, the movable blocks 13 are hingedly provided with movable columns 14, the supporting columns 9 are fixedly provided with symmetrical limiting plates 15, the limiting plates 15 are vertically slidably arranged on the supporting rods 8, and the top ends of the movable columns 14 are hingedly arranged at the side edges of the limiting plates 15.

[0028] In use, the base 1 is used for supporting the whole device;

[0029] When the superhard material tool powder is pressed and formed, the operator pours the superhard material tool powder into the mold cavity of the middle die 3, the lower die 4 in the middle die 3 is used for bearing the superhard material tool powder, and the supporting columns 9 are used for supporting the lower die 4;

[0030] Then, the hydraulic cylinders 5 on the base 1 are started, the output shafts of the hydraulic cylinders 5 drive the horizontal plate 6, the pressing column 7 and the lower die 4 to vertically move downward until the pressing column 7 and the lower die 4 drop into the mold cavity of the middle die 3, the superhard material tool powder is subjected to high-strength extrusion, and the superhard material tool is formed;

[0031] When the superhard material tool is formed, the hydraulic cylinder 5 pushes the horizontal plate 6, the lower pressing column 7, and the lower mold 4 upwards, so that the lower mold 4 is separated from the mold cavity of the middle mold 3, and the double-head motor 10 in the base 1 is started, the output shaft of the double-head motor 10 drives the screw 12 to rotate in the movable port 11, since the movable block 13 is threadedly connected with the screw 12 and horizontally slides on the movable port 11, the screw 12 drives the movable block 13 to horizontally move and approach each other, the movable block 13 drives the movable column 14 to deflect, the movable column 14 is hinged at the top end to the side edge of the limiting plate 15, the limiting plate 15 vertically slides on the support rod 8 and is fixedly installed with the support column 9, so that the deflection of the movable column 14 pushes the limiting plate 15 to vertically rise on the support rod 8, and then pushes the support column 9 and the lower mold 4 to vertically rise in the middle mold 3, the lower mold 4 pushes out the formed superhard material tool from the mold cavity, and the residual powder is also pushed out by the support column 9;

[0032] The forming mold for manufacturing superhard material tools can automatically push out the superhard material tool and the residual powder from the mold cavity after the superhard material tool is formed, which shortens the demolding time, reduces the cleaning process, effectively improves the production efficiency, and has high practicality.

[0033] A positioning port 16 is formed in the base 1, and the size of the positioning port 16 is matched with the size of the bottom end of the support column 9;

[0034] When the support column 9 vertically descends to the bottom, the bottom end of the support column 9 can enter the positioning port 16, and since the positioning port 16 positions and limits the bottom end of the support column 9, the support column 9 will not shake or deviate when being pressed, thereby improving the stability of the pressing forming process of the superhard material tool and ensuring that the quality of the formed superhard material tool meets the requirements.

[0035] The upper mold 2 is clamped at the bottom end of the lower pressing column 7, and the lower mold 4 is clamped at the top end of the support column 9;

[0036] The upper mold 2 is clamped at the bottom end of the lower pressing column 7, and the lower mold 4 is clamped at the top end of the support column 9, so that the upper mold 2 and the lower mold 4 are conveniently and simply disassembled and replaced.

[0037] An electronic level is arranged at the side edge of the base 1;

[0038] The base 1 is used for supporting the whole device, an electronic level is arranged at the side edge of the base 1, the levelness of the whole device is detected and displayed in real time, the device works in a horizontal state, and the pressing forming quality of the superhard material tool is ensured.

[0039] The base 1, the lower pressing column 7, the support column 9, and the horizontal plate 6 are made of high-strength alloy material;

[0040] The base 1, the pressing column 7, the supporting column 9 and the cross plate 6 are made of high-strength alloy material, which can further improve the stability of the superhard material tool during the pressing forming process.

[0041] The base 1 is provided with a controller which is electrically connected with the hydraulic cylinder 5 and the double-head motor 10 respectively.

[0042] The base 1 is provided with a controller which is electrically connected with the hydraulic cylinder 5 and the double-head motor 10 respectively.

[0043] Working principle:

[0044] In use, the base 1 is used for supporting the whole device.

[0045] When the superhard material tool powder is pressed and formed, the operator pours the superhard material tool powder into the mold cavity of the middle mold 3, the lower mold 4 in the middle mold 3 is used for bearing the superhard material tool powder, and the supporting column 9 is used for supporting the lower mold 4.

[0046] Then, the hydraulic cylinder 5 on the base 1 is started, the output shaft of the hydraulic cylinder 5 drives the cross plate 6, the pressing column 7 and the lower mold 4 to move vertically downward until the pressing column 7 and the lower mold 4 descend into the mold cavity of the middle mold 3, and the superhard material tool powder is subjected to high-strength extrusion to form the superhard material tool.

[0047] When the superhard material tool is formed, the hydraulic cylinder 5 drives the cross plate 6, the pressing column 7 and the lower mold 4 to move upwards, so that the lower mold 4 is separated from the mold cavity of the middle mold 3, and the double-head motor 10 in the base 1 is started, the output shaft of the double-head motor 10 drives the screw 12 to rotate in the movable port 11, since the movable block 13 is threadedly connected with the screw 12 and horizontally slides on the movable port 11, the rotation of the screw 12 drives the movable block 13 to move horizontally and approach each other, the movement of the movable block 13 drives the movable column 14 to deflect, the top end of the movable column 14 is hinged to the side edge of the limiting plate 15, the limiting plate 15 is vertically slidably arranged on the supporting rod 8 and fixedly installed with the supporting column 9, so that the deflection of the movable column 14 drives the limiting plate 15 to vertically rise on the supporting rod 8, and further drives the supporting column 9 and the lower mold 4 to vertically rise in the middle mold 3, the rising of the lower mold 4 pushes out the formed superhard material tool from the mold cavity, and the residual powder is also pushed out by the supporting column 9.

[0048] The forming die for manufacturing the superhard material tool can automatically push the superhard material tool and possible residual powder out of the mold cavity after the superhard material tool is formed, shortens the demolding time, reduces the cleaning process, effectively improves the production efficiency, and has high practicability; when the support column 9 vertically descends to the bottom, the bottom end of the support column 9 can enter the positioning opening 16, the positioning opening 16 plays a positioning and limiting role on the bottom end of the support column 9, so that the support column 9 does not shake or deviate when subjected to the extrusion force, thereby improving the stability of the superhard material tool pressing forming process and ensuring that the quality of the formed superhard material tool meets the requirements;

[0049] The upper die 2 is clamped at the bottom end of the pressing column 7, and the lower die 4 is clamped at the top end of the support column 9, so that the upper die 2 and the lower die 4 can be simply disassembled and replaced;

[0050] The base 1 is used for supporting the whole device, and an electronic level is arranged on the side of the base 1 to detect and display the levelness of the whole device in real time, so that the device can work in a horizontal state and the pressing forming quality of the superhard material tool is ensured;

[0051] The base 1, the pressing column 7, the support column 9, and the cross plate 6 are all made of high-strength alloy material, so that the stability of the superhard material tool pressing forming process can be further improved;

[0052] A controller is arranged on the base 1 to automatically control the pressing process of the superhard material tool.

[0053] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A molding die for manufacturing tools from superhard materials, comprising a base (1), an upper die (2), a middle die (3), and a lower die (4), characterized in that, A symmetrical hydraulic cylinder (5) is fixedly installed on the base (1). A horizontal plate (6) is fixedly installed at the end of the output shaft of the hydraulic cylinder (5). A lower pressure column (7) is fixedly installed in the middle of the horizontal plate (6). The upper mold (2) is set at the bottom end of the lower pressure column (7) and is directly opposite the middle mold (3). A uniformly distributed support rod (8) is fixedly installed on the base (1). The top ends of the support rods (8) are fixedly installed at the bottom corners of the middle mold (3). A support column (9) is set on the base (1). The support column (9) is vertically slidably set on the middle mold (3). The dimensions of the lower pressure column (7) and the support column (9) are adapted to the inner diameter of the middle mold (3). The lower mold (4) is set on the support column (9). At the top, a double-headed motor (10) is fixedly installed inside the base (1). A symmetrical movable opening (11) is opened on the base (1). A lead screw (12) is rotatably installed inside each movable opening (11). The output shaft ends of the double-headed motor (10) are fixedly installed to the ends of the lead screw (12). A movable block (13) is horizontally slidably installed on each movable opening (11). The movable block (13) is threadedly connected to the lead screw (12). A movable column (14) is hingedly installed on each movable block (13). A symmetrical limiting plate (15) is fixedly installed on both sides of the support column (9). The limiting plate (15) is vertically slidably installed on the support rod (8). The top ends of the movable column (14) are hingedly installed on the side of the limiting plate (15).

2. The forming mold for manufacturing superhard material tools according to claim 1, characterized in that, The base (1) has a positioning port (16) with the size of the positioning port (16) matching the size of the bottom end of the support column (9).

3. The forming mold for manufacturing superhard material tools according to claim 1, characterized in that, The upper mold (2) is snapped onto the bottom end of the lower pressure column (7), and the lower mold (4) is snapped onto the top end of the support column (9).

4. The forming mold for manufacturing superhard material tools according to claim 1, characterized in that, An electronic level is provided on the side of the base (1).

5. A forming mold for manufacturing superhard material tools according to claim 1, characterized in that, The base (1), the pressure column (7), the support column (9), and the horizontal plate (6) are all made of high-strength alloy material.

6. A forming mold for manufacturing superhard material tools according to claim 1, characterized in that, A controller is provided on the base (1), and the controller is electrically connected to the hydraulic cylinder (5) and the dual-head motor (10).