CN217258676U

CN217258676U - Press forming die

Info

Publication number: CN217258676U
Application number: CN202220814124.3U
Authority: CN
Inventors: 邱卓林; 朱质斌; 王祖文
Original assignee: Zhuzhou Sol Cutting Tools Co ltd
Current assignee: Zhuzhou Sol Cutting Tools Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-08-23
Anticipated expiration: 2032-04-11

Abstract

The utility model provides a compression moulding mould, including the die body, the through-hole has been seted up at its middle part, it is equipped with the guide bar to insert in the through-hole, first movable drift and first fixed drift have been laid to the upside of die body, second movable drift and the fixed drift of second have been laid to the downside, first fixed drift, first movable drift, the fixed drift of second, the equal cover of second movable drift is established on the guide bar, first fixed drift, the fixed drift of second is all fixed to be set up, with the first movable drift that sets up to the activity, second movable drift is spacing, first movable drift, second movable drift is drawn close the mould suppression in step, ensure applying of clamping force more even, can adjust first movable drift simultaneously, the suppression stroke of second movable drift, with improvement pressed compact density, improve the pressed compact quality.

Description

Press forming die

Technical Field

The utility model relates to a press forming technical field, in particular to press forming die.

Background

Indexable tools are cutting tools commonly used in industrial production, and the manufacture of the tools comprises the processes of powder filling in a die, press forming, sintering and the like. In the prior art, when blank powder is pressed in a die, a punch and the die are usually directly aligned, and due to the problem of alignment precision, the pressing force distribution is not uniform, the density distribution of a pressed blank is not uniform, deformation is generated in the sintering process, and the cutting performance of a cutter is reduced.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they are set forth in the background section of the present application.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: aiming at the defects in the background technology, the press forming die which is used for press forming of the cutter and can accurately apply pressing force is provided, so that the density distribution of a pressed blank is more uniform, and the cutting performance of the cutter subjected to subsequent sintering is better.

In order to achieve the above object, the utility model provides a press forming die, including the die body, the through-hole that corresponds with the cutter centre bore is seted up at the middle part of die body, the guide bar has been inserted in the through-hole, the both ends of guide bar extend to respectively the upper and lower both sides of die body, first activity drift and first fixed drift have been laid to the upside of die body, first fixed drift is located the top of first activity drift, second activity drift and the fixed drift of second have been laid to the downside of die body, the fixed drift of second is located the below of second activity drift, first fixed drift first activity drift the fixed drift of second activity drift all overlap and establish on the guide bar, first fixed drift the fixed drift of second all fixes the setting to the activity setting first activity drift, The second movable punch is limited, and the first movable punch and the second movable punch are synchronously drawn together to press the die.

Furthermore, the first fixed punch and the second fixed punch are detachably connected with the first fixed block and the second fixed block respectively.

Further, the installation positions of the first fixing block and the second fixing block are adjustable.

Further, the tip equipartition of first fixed block the second fixed block is equipped with the mount table, the mount table with first fixed block the second fixed block passes through the bolt and can dismantle the connection, the tip of mount table is formed with the step face, first fixed drift the tip correspondence of the fixed drift of second is formed with the round platform, the round platform install in step face department.

Further, the first movable punch and the second movable punch are driven by corresponding pressing driving portions.

The above technical scheme of the utility model has following beneficial effect:

the utility model provides a compression moulding die relies on the upper and lower synchronous suppression of first movable drift and second movable drift, the direction of guide bar can ensure that the application of clamping force is more even, and first fixed drift, second fixed drift can adjust the spacing distance to first movable drift, second movable drift respectively simultaneously to adjust the compression stroke of first movable drift, second movable drift, in order to improve the compact density, improve the compact quality;

other advantageous effects of the present invention will be described in detail in the following detailed description.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic view of the mounting structure of the fixing block of the present invention.

[ description of reference ]

1-a mold body; 2-a guide rod; 3-a first movable punch; 4-a first fixed punch; 5-a second movable punch; 6-a second fixed punch; 7-a first fixed block; 8-a second fixed block; 9-mounting a table; 10-step surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures. In addition, the directions or positional relationships indicated in the present invention, such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings or the conventional placing states or using states, and are only for convenience of description and simplification of description, but do not indicate or imply that the structure, feature, device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, an embodiment of the present invention provides a press forming mold, which includes a mold body 1, and the mold body 1 is filled with powder of a press forming tool. Wherein, the middle part of die body 1 is seted up the through-hole that corresponds with the cutter centre bore, and the through-hole is inserted and is equipped with guide bar 2, and the both ends of guide bar 2 extend to the upper and lower both sides of die body 1 respectively. The upper side of the die body 1 is provided with a first movable punch 3 and a first fixed punch 4, and the first fixed punch 4 is positioned above the first movable punch 3. Meanwhile, a second movable punch 5 and a second fixed punch 6 are distributed on the lower side of the die body 1, the second fixed punch 6 is located below the second movable punch 5, and the first fixed punch 4, the first movable punch 3, the second fixed punch 6 and the second movable punch 5 are all sleeved on the guide rod 2. And, first fixed drift 4, second fixed drift 6 are all fixed to be set up to first movable drift 3, the second movable drift 5 that set up to the activity is spacing. And the first movable punch 3 and the second movable punch 5 are connected with the corresponding pressing driving parts and can be synchronously closed to press the die body 1, so that powder in the die body 1 is formed under the action of synchronous upper and lower application forces.

By means of the simultaneous pressing of the upper and lower and the form of the guide bar 2, a more uniform application of the pressing force can be ensured. In addition, the first fixed punch 4 and the second fixed punch 6 are detachably connected with the first fixed block 7 and the second fixed block 8 respectively, and the mounting positions of the first fixed block 7 and the second fixed block 8 can be adjusted, so that the limiting distance between the first movable punch 3 and the second movable punch 5 can be adjusted, the pressing stroke of the first movable punch 3 and the second movable punch 5 can be adjusted, the density of a pressed blank is improved, and the quality of the pressed blank is improved.

Meanwhile, as shown in fig. 2, in the embodiment, the mounting tables 9 are arranged at the end portions of the first fixing block 7 and the second fixing block 8, and the mounting tables 9 are mounting structures having the same outer diameters as the first fixing block 7 and the second fixing block 8, so that the overall structure is more compact. The mounting table 9 is provided with bolt holes, and the first fixing block 7 and the second fixing block 8 are also provided with corresponding bolt holes, so that the mounting table 9 can be detachably connected with the first fixing block 7 and the second fixing block 8 through bolts.

The end part of the mounting table 9 is provided with a step surface 10, the end parts of the first fixed punch 4 and the second fixed punch 6 are correspondingly provided with round tables, namely the vertical cross section of the fixed punches is T-shaped, the round tables are mounted on the step surface 10, and the fixed punches are clamped and positioned by the step surface 10 of the mounting table 9 and the end surface of the fixed block under the action of a threaded force.

After the fixed punch is positioned, the position of the guide rod 2 can be locked, so that the pressing guide of the movable punch is accurate.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The press forming die is characterized by comprising a die body (1), wherein a through hole corresponding to a center hole of a cutter is formed in the middle of the die body (1), a guide rod (2) is inserted into the through hole, two ends of the guide rod (2) respectively extend to the upper side and the lower side of the die body (1), a first movable punch (3) and a first fixed punch (4) are arranged on the upper side of the die body (1), the first fixed punch (4) is positioned above the first movable punch (3), a second movable punch (5) and a second fixed punch (6) are arranged on the lower side of the die body (1), the second fixed punch (6) is positioned below the second movable punch (5), the first fixed punch (4), the first movable punch (3), the second fixed punch (6) and the second movable punch (5) are sleeved on the guide rod (2), the first fixed punch (4) and the second fixed punch (6) are both fixedly arranged so as to limit the first movable punch (3) and the second movable punch (5) which are movably arranged, and the first movable punch (3) and the second movable punch (5) are synchronously drawn together to press a die.

2. A press-forming die according to claim 1, characterised in that the first fixed punch (4) and the second fixed punch (6) are detachably connected to the first fixed block (7) and the second fixed block (8), respectively.

3. A press-forming mould as claimed in claim 2, characterised in that the mounting positions of the first fixing block (7) and the second fixing block (8) are adjustable.

4. The press forming die according to claim 3, wherein a mounting table (9) is uniformly distributed at the end portions of the first fixing block (7) and the second fixing block (8), the mounting table (9) is detachably connected with the first fixing block (7) and the second fixing block (8) through bolts, a step surface (10) is formed at the end portion of the mounting table (9), a circular truncated cone is correspondingly formed at the end portions of the first fixing punch (4) and the second fixing punch (6), and the circular truncated cone is installed at the position of the step surface (10).

5. A press-forming die according to claim 1, characterised in that the first movable punch (3) and the second movable punch (5) are each driven by a corresponding press drive.