Powder metallurgy die

Abstract

The utility model relates to the technical field of powder metallurgy, in particular to a powder metallurgy die. Which comprises a base assembly, a mold assembly and a vibration assembly, and is characterized in that the base assembly comprises a supporting base, the mold assembly comprises a lower mold and an upper mold, the vibration assembly comprises a mounting base and a spring shock absorber, guide sliding rods are symmetrically connected to the top of the supporting base, and combined side plates are symmetrically connected to the two ends of the upper mold; one end of the mounting base is connected with a sliding column, and a stable bottom cylinder is arranged on the outer ring of the sliding column. When the sliding column is pressed, the sliding column slides towards the deep position of the stable bottom cylinder under the pressure, meanwhile, the sliding column applies pressure to the compression spring in the sliding process, then the compression spring is stressed to generate contraction deformation, and then the sliding column is matched with the vibration motor for use through movement of the sliding column. And therefore, the compaction treatment in the process of injecting the metal powder into the lower mold is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder metallurgy technical field, concretely to a powder metallurgy mould. BACKGROUND

[0002] Powder metallurgy is an advanced manufacturing technology, which uses metal powder or a mixture of metal powder and non-metal powder as raw material, compacts the metal powder into the required shape, and then sintering to obtain a part with the required performance.

[0003] The powder metallurgy mould is used for forming powder material in the powder metallurgy process.

[0004] The prior art document CN 219503717 U discloses a powder metallurgy mould, which comprises a forming die, a plurality of positioning holes are formed between the upper and lower sidewalls of the four corners of the forming die, and a combined frame is slidably connected to the top wall of the forming die. UTILITY MODEL CONTENTS

[0005] To solve the problem that the metal powder is not easy to splash around after falling into the forming cavity, but the compaction of the metal powder during injection cannot be realized, affecting the compaction effect of the punch on the powder material, the vibration motor is used to work and make the lower mould vibrate, and the compaction of the metal powder during injection is realized through the vibration of the lower mould, thereby ensuring the compaction effect of the punch on the powder material.

[0006] To achieve the above purpose, the utility model adopts the technical scheme of a powder metallurgy mould, which comprises a base assembly, a mould assembly and a vibration assembly, characterized in that the base assembly comprises a supporting base, the mould assembly comprises a lower mould and an upper mould, and the vibration assembly comprises a mounting seat and a spring shock absorber. The top of the supporting base is symmetrically connected with a guide slide rod, the bottom of the supporting base away from the guide slide rod is connected with a base bottom plate, the inner wall of the lower mould is connected with a forming die groove, the top of the upper mould is connected with a pouring die pipe, the bottom of the lower mould is provided with a vibration motor, the two ends of the upper mould are symmetrically connected with combined side plates, one end of the mounting seat is connected with a sliding column, and the outer circle of the sliding column is provided with a stable bottom cylinder.

[0007] The beneficial effect of the utility model is: when using the device, metal powder is injected into the lower mold through the pouring mold pipe, then the operation of the vibration motor is started, the vibration motor works and makes the lower mold vibrate, and the compaction of the metal powder during injection is realized through the vibration of the lower mold, thereby ensuring the effect of the subsequent punch on the powder material.

[0008] In order to be used as a sliding shaft when the upper mold and the lower mold are combined and connected:

[0009] As a further improvement of the above technical solution: the guide slide rods are provided in two groups, and the two groups of guide slide rods are symmetrically installed on the top of the support base, and every three guide slide rods form a group for common use.

[0010] The beneficial effect of the improvement is: through the setting of the support base, the support of the lower mold and the upper mold is realized, and through the setting of the guide slide rod, the sliding shaft when the upper mold and the lower mold are combined and connected is realized.

[0011] In order to inject metallurgical powder into it through the pouring mold pipe:

[0012] As a further improvement of the above technical solution: the lower mold is installed directly above the top of the support base through the vibration assembly, and the size of the lower mold matches the size of the upper mold.

[0013] The beneficial effect of the improvement is: through the setting of the lower mold, the installation support of the forming mold groove is realized, and through the setting of the forming mold groove, metallurgical powder is injected into it through the pouring mold pipe.

[0014] In order to realize the compaction of the metal powder during injection through the vibration of the lower mold:

[0015] As a further improvement of the above technical solution: the vibration motor is electrically connected with the operation panel, the inner wall of the upper mold is connected with the pouring mold groove, and the pouring mold pipe penetrates through the upper mold and communicates with the inner cavity of the pouring mold groove.

[0016] The beneficial effect of the improvement is: when using the device, metal powder is injected into the lower mold through the pouring mold pipe, then the operation of the vibration motor is started, the vibration motor works and makes the lower mold vibrate, and the compaction of the metal powder during injection is realized through the vibration of the lower mold, thereby ensuring the effect of the subsequent punch on the powder material.

[0017] In order to realize the adjustment of the use position of the mounting seat through the sliding of the sliding column into the stable bottom cylinder:

[0018] As a further improvement of the above technical solution: the mounting seat is connected with the bottom of the lower mold away from one end of the sliding column, and the sliding column is connected with the limiting block away from one end of the mounting seat.

[0019] The beneficial effect of the improvement is that the range of the sliding column sliding in the stable bottom cylinder is limited by the limiting block, and the use position of the mounting seat is adjusted by the sliding of the sliding column into the stable bottom cylinder.

[0020] In order to speed up the compaction process of metal powder injection into the lower mold:

[0021] As a further improvement of the above technical solution: the inside of the stable bottom cylinder is provided with a compression spring, one end of the compression spring is connected with the limiting block, and the other end of the compression spring away from the limiting block is connected with the wall of the lower bottom of the stable bottom cylinder.

[0022] The beneficial effect of the improvement is that when the sliding column is subjected to pressure, the sliding column slides into the depth of the stable bottom cylinder under pressure, and the sliding column exerts pressure on the compression spring during sliding, and then the compression spring is deformed by the force, and the sliding column is used in cooperation with the vibration motor, thereby speeding up the compaction process of metal powder injection into the lower mold.

[0023] In order to gradually close the upper mold to the lower mold by combining the side plates, until the upper mold and the lower mold are mutually attached:

[0024] As a further improvement of the above technical solution: the inside of the combined side plate is provided with a guide sleeve, three guide sleeves are welded on the inside of each combined side plate, the guide sleeve is a cylindrical hollow tube, and the combined side plate is slidably connected with the guide slide rod through the guide sleeve.

[0025] The beneficial effect of the improvement is that when in use, the lower mold is placed directly above the lower mold, then the guide slide rod is inserted into the guide sleeve, and the upper mold is gradually closed to the lower mold by the combined side plate, until the upper mold and the lower mold are mutually attached.

[0026] In order to ensure the stability when the powder material is compacted into the required shape:

[0027] As a further improvement of the above technical solution: the spring shock absorber includes a damper, the bottom of the spring shock absorber is symmetrically installed above the support base, and the end of the spring shock absorber away from the support base is connected with the lower bottom of the lower mold.

[0028] The improved beneficial effect is that when the stamping head works, the spring shock absorber absorbs kinetic energy through elastic deformation to reduce vibration, while the damper consumes mechanical energy and gradually slows down and stops, thereby ensuring the stability when the powder material is compacted into the required shape. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a front view structural schematic diagram of the utility model.

[0030] Figure 2 It is Figure 1 It is an enlarged structural schematic diagram of A in the middle.

[0031] Figure 3 It is a sectional view structural schematic diagram of the utility model stable bottom cylinder.

[0032] Figure 4 It is a three-dimensional structural schematic diagram of the utility model lower mold.

[0033] Figure 5 It is a three-dimensional structural schematic diagram of the utility model upper mold.

[0034] In the figure: 1, base assembly; 11, support base; 12, guide slide rod; 13, base bottom plate; 2, mold assembly; 21, lower mold; 22, upper mold; 23, forming mold groove; 24, pouring mold pipe; 25, vibration motor; 26, combined side plate; 27, guide sleeve; 28, pouring mold groove; 3, vibration assembly; 31, mounting seat; 32, sliding column; 33, limit block; 34, stable bottom cylinder; 35, compression spring; 36, spring shock absorber. DETAILED DESCRIPTION

[0035] In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0036] As Figures 1-5As shown, a kind of powder metallurgy mould, including base assembly 1, mould assembly 2, vibration assembly 3, the base assembly 1 includes support base 11, the mould assembly 2 includes lower mould 21, upper mould 22, the vibration assembly 3 includes mounting seat 31, spring shock absorber 36, the top of the support base 11 is symmetrically connected with guide slide rod 12, the bottom of the support base 11 is connected with base bottom plate 13 away from guide slide rod 12, the inner wall of the lower mould 21 is connected with forming die groove 23, the top of the upper mould 22 is connected with pouring die tube 24, the bottom of the lower mould 21 is installed with vibration motor 25, the two ends of the upper mould 22 are symmetrically connected with combined side plate 26, one end of the mounting seat 31 is connected with sliding column 32, the outer ring of the sliding column 32 is provided with stable bottom cylinder 34, the guide slide rod 12 is provided with two groups, two groups of the guide slide rod 12 are symmetrically installed on the top of support base 11, and every three guide slide rods 12 are used as a group;Through the setting of support base 11, the lower mould 21 and the upper mould 22 are supported, through the setting of guide slide rod 12, the sliding shaft is used when the upper mould 22 is combined with the lower mould 21, the lower mould 21 is installed directly above the top of support base 11 by vibration assembly 3, and the size of the lower mould 21 matches the size of the upper mould 22;Through the setting of lower mould 21, the forming die groove 23 is installed and supported, through the setting of forming die groove 23, the metallurgical powder is injected into it through pouring die tube 24, the vibration motor 25 is electrically connected with operation panel, the inner wall of the upper mould 22 is connected with pouring die groove 28, the pouring die tube 24 penetrates the upper mould 22 and is connected with the inner cavity of pouring die groove 28;When using the device, metal powder is injected into the lower mould 21 through pouring die tube 24, then the vibration motor 25 is started to operate, the vibration motor 25 works and makes the lower mould 21 vibrate, and the compaction of metal powder during injection is realized through the vibration of the lower mould 21, to further guarantee the compaction effect of subsequent punch on powder material, one end of the mounting seat 31 away from sliding column 32 is connected with the bottom of the lower mould 21, and one end of the sliding column 32 away from the mounting seat 31 is connected with limit block 33;Through the setting of limit block 33, the range of sliding column 32 in stable bottom cylinder 34 is limited, and the use position of mounting seat 31 is adjusted by the sliding of sliding column 32 in stable bottom cylinder 34, the inside of stable bottom cylinder 34 is provided with compression spring 35, one end of the compression spring 35 is connected with limit block 33, and the other end of the compression spring 35 away from limit block 33 is connected with the wall of the lower bottom surface of stable bottom cylinder 34.When the sliding column 32 is subjected to pressure, the sliding column 32 slides under pressure to the depth of the stable bottom cylinder 34, and at the same time the sliding column 32 exerts pressure on the compression spring 35 during the sliding process, then the compression spring 35 is forced to shrink and deform, and then cooperates with the vibration motor 25 through the movement of the sliding column 32, thereby speeding up the compaction process of the metal powder injected into the lower mold 21, the inner side of the combination side plate 26 is provided with a guide sleeve 27, three guide sleeves 27 are welded on the inner side of each combination side plate 26, the guide sleeve 27 is a cylindrical hollow pipe, and the combination side plate 26 is slidably connected with the guide sliding rod 12 through the guide sleeve 27; In use, place the lower mold 21 directly above the lower mold 21, then insert the guide sliding rod 12 into the guide sleeve 27, and gradually move the upper mold 22 towards the lower mold 21 through the combination side plate 26, until the upper mold 22 and the lower mold 21 are mutually attached, the spring shock absorber 36 includes a damper, the bottom of the spring shock absorber 36 is symmetrically installed above the support base 11, and the end of the spring shock absorber 36 away from the support base 11 is connected with the lower bottom surface of the lower mold 21; When the stamping head works, the spring shock absorber 36 absorbs kinetic energy through elastic deformation to reduce vibration, and at the same time the damper consumes mechanical energy and gradually slows down and stops, thereby ensuring the stability when the powder material is compacted into the required shape.

[0037] The working principle of the utility model is: when using, the lower mould 21 is placed right above the lower mould 21, then the guide slide bar 12 is inserted into the guide sleeve 27, and the upper mould 22 is gradually close to the lower mould 21 through the combined side plate 26, until the upper mould 22 and the lower mould 21 are mutually pasted, through the setting of the supporting base 11, the supporting of the lower mould 21 and the upper mould 22 is used, through the setting of the guide slide bar 12, the sliding shaft when the upper mould 22 and the lower mould 21 are combined and connected is used, through the setting of the lower mould 21, the installation support of the forming die groove 23 is used, through the setting of the forming die groove 23, the metallurgical powder is injected into it through the pouring die pipe 24, the metal powder is injected into the lower mould 21 through the pouring die pipe 24, then the operation of the vibration motor 25 is started, the vibration motor 25 works and makes the lower mould 21 vibrate, and the compaction of the metal powder in the injection process is made through the vibration of the lower mould 21, and then the effect of the subsequent punch for compacting the powder material is guaranteed, through the setting of the limiting block 33, the range of the sliding column 32 sliding in the stable bottom cylinder 34 is limited, and then the adjustment of the use position of the mounting seat 31 is realized through the sliding of the sliding column 32 into the stable bottom cylinder 34, when the sliding column 32 is pressed, the sliding column 32 slides to the depth of the stable bottom cylinder 34 under the pressure, and the compression spring 35 is pressed in the process of sliding, then the compression spring 35 is contracted and deformed under stress, and then the sliding column 32 is moved and used in cooperation with the vibration motor 25, so that the compaction treatment of the metal powder in the process of injecting the lower mould 21 is accelerated, when the punch works, the spring shock absorber 36 absorbs kinetic energy through elastic deformation to reduce vibration, and the damper consumes mechanical energy and makes it gradually decelerate and stop, and then the stability when the powder material is compacted into the required shape is guaranteed.

[0038] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices that comprise a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices.

[0039] The principle and implementation mode of the present application are described by using specific examples herein, and the above examples are only used for helping to understand the method and core idea of the present application. The above preferred embodiments of the present application are described, and it should be pointed out that due to the limited expression, there are infinite specific structures objectively, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principle of the present application, and the above technical features can be combined in a proper way; the improvements, decorations, changes or combinations, or the direct application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A powder metallurgy die comprising a base assembly (1), a die assembly (2), a vibration assembly (3), characterized in that: The base assembly (1) comprises a support base (11), the mold assembly (2) comprises a lower mold (21), an upper mold (22), the vibration assembly (3) comprises a mounting seat (31), a spring shock absorber (36), the top of the support base (11) is symmetrically connected with a guide slide rod (12), the bottom of the support base (11) away from the guide slide rod (12) is connected with a base bottom plate (13), the inner wall of the lower mold (21) is connected with a forming die groove (23), the top of the upper mold (22) is connected with a pouring die pipe (24), the bottom of the lower mold (21) is mounted with a vibration motor (25), the two ends of the upper mold (22) are symmetrically connected with a combined side plate (26), one end of the mounting seat (31) is connected with a sliding column (32), and the outer circle of the sliding column (32) is provided with a stable bottom cylinder (34).

2. A powder metallurgy die according to claim 1, characterized in that: The guide slide rod (12) is provided with two groups, and the two groups of guide slide rods (12) are symmetrically mounted on the top of the support base (11), and every three guide slide rods (12) are used together.

3. A powder metallurgy die according to claim 1, wherein: The lower mold (21) is installed on the top of the support base (11) by the vibration assembly (3), and the size of the lower mold (21) is matched with the size of the upper mold (22).

4. A powder metallurgy die according to claim 1, wherein: The vibration motor (25) is electrically connected with the operation panel, the inner wall of the upper mold (22) is connected with a pouring die groove (28), and the pouring die pipe (24) penetrates through the upper mold (22) and communicates with the inner cavity of the pouring die groove (28).

5. A powder metallurgy die according to claim 1, wherein: The end of the mounting seat (31) away from the sliding column (32) is connected with the bottom of the lower mold (21), and the end of the sliding column (32) away from the mounting seat (31) is connected with a limiting block (33).

6. A powder metallurgy die according to claim 1, wherein: The inner side of the stable bottom cylinder (34) is provided with a compression spring (35), one end of the compression spring (35) is connected with the limiting block (33), and the end of the compression spring (35) away from the limiting block (33) is connected with the wall body of the lower bottom surface of the stable bottom cylinder (34).

7. A powder metallurgy die according to claim 1, wherein: The inner side of the combined side plate (26) is provided with a guide sleeve (27), and the inner side of each combined side plate (26) is welded with three guide sleeves (27), the guide sleeve (27) is a cylindrical hollow pipe, and the combined side plate (26) is slidably connected with the guide slide rod (12) through the guide sleeve (27).

8. A powder metallurgy die according to claim 1, wherein: The spring shock absorber (36) comprises a damper, and the bottom of the spring shock absorber (36) is symmetrically mounted above the support base (11), and the end of the spring shock absorber (36) away from the support base (11) is connected with the lower bottom surface of the lower mold (21).

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