Forming die for preparing Archimedes worm through powder metallurgy

Abstract

The utility model discloses a forming die for manufacturing an Archimedes worm through powder metallurgy, and relates to the technical field of powder metallurgy. The forming die for preparing the Archimedes worm through powder metallurgy comprises a bottom plate and four supporting legs fixedly arranged on the bottom face of the bottom plate, and a forming mechanism and a pressing mechanism are arranged above the bottom plate; the pressing mechanism is located above the forming mechanism. The pressing mechanism comprises an upper die; the forming mechanism comprises a mold part and an auxiliary part; the mold part comprises a fixed frame and two lower molds, and has the technical effects that the two lower molds are fixed between the fixed frame and the lower molds through the threaded holes and the mounting plates, and guide positioning is provided through sliding connection of the lifting frame and the fixed frame; efficient demolding and part taking are achieved by means of the first spring, the first damper, the second spring, the second damper and related parts, and therefore the mold has the advantages of being easy and convenient to install and maintain, stable and accurate in work, efficient in demolding and part taking, long in mold service life and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder metallurgy technical field, concretely is a kind of forming die of powder metallurgy preparation Archimedes worm. BACKGROUND

[0002] Powder metallurgy is the process technology of preparing metal powder or using metal powder (or the mixture of metal powder and non-metal powder) as raw material, through forming and sintering, to manufacture metal material, composite material and various types of products, wherein, pressing forming is the main forming means of powder metallurgy forming;

[0003] Archimedes worm can be manufactured by stamping powder, through primary forming and finishing process, without other post-processing process, can fully meet the dimensional accuracy requirements, especially tooth profile accuracy, therefore, compared with manufacturing by traditional mechanical processing method, material input and manufacturing are greatly reduced;

[0004] The existing stamping device is difficult for operator to easily take out the formed Archimedes worm from the die in demolding link, not only consume a lot of manpower and time, but also possibly cause damage to product due to improper operation, reduce product qualified rate, therefore, a kind of forming die of powder metallurgy preparation Archimedes worm is provided. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides a kind of forming die of powder metallurgy preparation Archimedes worm, solve the problem that operator is difficult to easily take out the formed Archimedes worm from the die in demolding link, not only consume a lot of manpower and time, but also possibly cause damage to product due to improper operation, reduce product qualified rate.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model is realized by the following technical scheme: including bottom plate and four support legs fixedly arranged on the bottom surface of bottom plate, the bottom plate top is provided with forming mechanism and lower pressing mechanism;

[0009] The lower pressing mechanism is located above the forming mechanism;

[0010] The lower pressing mechanism includes upper die;

[0011] The forming mechanism includes die part and auxiliary part;

[0012] Die part includes fixed frame and two lower dies, and auxiliary part includes lifting frame;

[0013] The bottom surface of the fixed frame is fixedly connected with the top surface of the bottom plate, the inner side surface of the fixed frame is slidably connected with the outer wall of the lifting frame, the top surface of the lifting frame is slidably connected with the bottom surfaces of the two lower molds respectively, a through groove is formed through the top surface of the lifting frame, two control plates are slidably arranged on the inner wall of the through groove, the top surfaces of the two control plates are fixedly connected with the bottom surfaces of the two lower molds respectively, a moving plate is slidably arranged on the inner side surface of the lifting frame, two push plates are hingedly arranged on the side surface of the moving plate close to the two control plates respectively, and the side surfaces of the two push plates close to the two control plates are hingedly connected with the outer walls of the two control plates respectively

[0014] Preferably, the top surface of the bottom plate is fixedly provided with a fixed frame, the top surface of the fixed frame is fixedly provided with an electric push rod, the bottom surface of the output end of the electric push rod extends to the inner side of the fixed frame through the top surface of the fixed frame, and the bottom surface of the output end of the electric push rod is fixedly connected with the top surface of the upper mold.

[0015] Preferably, the top surface of the fixed frame is fixedly provided with a fixed frame, the top surface of the fixed frame is fixedly provided with an electric push rod, the bottom surface of the output end of the electric push rod extends to the inner side of the fixed frame through the top surface of the fixed frame, and the bottom surface of the output end of the electric push rod is fixedly connected with the top surface of the upper mold.

[0016] Preferably, the inner side surface of the lifting frame is fixedly provided with a second spring and a second damper, and the side surface of the second spring and the second damper close to the moving plate is fixedly connected with the outer wall of the moving plate.

[0017] Preferably, the top surface of the lifting frame is provided with two wedge-shaped grooves, two groups of wedge-shaped blocks are slidably arranged on the inner walls of the two wedge-shaped grooves respectively, the top surfaces of the two groups of wedge-shaped blocks are fixedly connected with the bottom surfaces of the two lower molds respectively, two mounting plates are fixedly arranged on the outer walls of the two lower molds respectively, and two threaded holes are formed in the top surface of the fixed frame.

[0018] Preferably, the top surface of the upper mold is fixedly provided with two limiting rods, the top surfaces of the two limiting rods extend to the upper side of the fixed frame through the top surface of the inner side of the fixed frame, the bottom surface of the upper mold is fixedly provided with four positioning rods, four positioning holes are formed in the top surface of the fixed frame, and the four positioning rods are correspondingly arranged in the four positioning holes.

[0019] (Three) beneficial effects

[0020] The utility model provides a kind of forming die of powder metallurgy preparation Archimedes worm, with the following beneficial effects:

[0021] (I) the forming die for powder metallurgy preparation of Archimedes worm, the forming mechanism realizes the fixation of the two lower molds through the threaded holes and the mounting plate between the fixed frame and the lower mold, the sliding connection of the lifting frame and the fixed frame provides the orientation positioning, the first spring, the first damper, the second spring, the second damper and related components realize efficient demolding and part taking, so that the forming die has the advantages of simple installation and maintenance, stable and accurate work, efficient demolding and part taking and long service life.

[0022] (II) the forming die for powder metallurgy preparation of Archimedes worm, the lower pressing mechanism cooperates with the fixed frame through the electric push rod, stably drives the upper mold to move up and down for stamping, and cooperates with the positioning rod and the positioning hole and the limiting rod and the fixed frame to ensure that the relative position of the mold is accurate during stamping, thereby effectively improving the quality of the formed product. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a structure schematic view of the forming mechanism of the utility model;

[0025] Figure 3 It is a structure schematic view of the forming mechanism inside the utility model;

[0026] Figure 4 It is a structure schematic view of the fixed frame inside the forming mechanism of the utility model;

[0027] Figure 5 It is a structure schematic view of the lower pressing mechanism of the utility model.

[0028] In the drawing: 1, bottom plate; 2, forming mechanism; 21, fixed frame; 22, lower mold; 23, first damper; 24, first spring; 25, extrusion plate; 26, lifting frame; 27, wedge block; 28, second damper; 29, second spring; 210, moving plate; 211, control plate; 212, push plate; 213, mounting plate, 3, lower pressing mechanism; 31, fixed frame; 32, electric push rod; 33, limiting rod; 34, upper mold; 35, positioning rod; 4, supporting leg. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer toFigures 1-5 The utility model provides a technical scheme: including bottom plate 1 and four support legs 4 of bottom plate 1 bottom surface fixed setting, be provided with the forming mechanism 2 and the pressing mechanism 3 of bottom plate 1 top,

[0031] The pressing mechanism 3 is located above the forming mechanism 2;

[0032] The pressing mechanism 3 includes an upper die 34;

[0033] The forming mechanism 2 includes a die part and an auxiliary part;

[0034] The die part includes a fixed frame 21 and two lower dies 22, and the auxiliary part includes a lifting frame 26;

[0035] The bottom surface of the fixed frame 21 is fixedly connected to the top surface of the bottom plate 1, the inner side surface of the fixed frame 21 is slidingly connected to the outer wall of the lifting frame 26, the top surface of the lifting frame 26 is slidingly connected to the bottom surfaces of the two lower dies 22, respectively, a through slot is formed through the top surface of the lifting frame 26, two control plates 211 are slidingly arranged in the inner wall of the through slot, the top surfaces of the two control plates 211 are fixedly connected to the bottom surfaces of the two lower dies 22, respectively, a moving plate 210 is slidingly arranged in the inner side surface of the lifting frame 26, two push plates 212 are hingedly arranged on the side surface of the moving plate 210 close to the two control plates 211, respectively, the side surfaces of the two push plates 212 close to the two control plates 211 are hingedly connected to the outer walls of the two control plates 211, respectively, the top opening of the fixed frame 21 is provided with an inclined surface, two sliding grooves are formed in the outer wall of the fixed frame 21, two extrusion plates 25 are slidingly arranged in the inner walls of the two sliding grooves, respectively, the side surfaces of the two extrusion plates 25 close to the lifting frame 26 are fixedly connected to the outer wall of the lifting frame 26, two first springs 24 and two first dampers 23 are fixedly arranged on the top surface of the bottom plate 1, the top surfaces of the two first springs 24 and the two first dampers 23 are fixedly connected to the bottom surfaces of the two control plates 211, respectively, the two first springs 24 are in an extended state in the initial state, a second spring 29 and a second damper 28 are fixedly arranged in the inner side surface of the lifting frame 26, the side surfaces of the second spring 29 and the second damper 28 close to the moving plate 210 are fixedly connected to the outer wall of the moving plate 210, the second spring 29 is in an extended state in the initial state, two wedge-shaped grooves are formed in the top surface of the lifting frame 26, two groups of wedge-shaped blocks 27 are slidingly arranged in the inner walls of the two wedge-shaped grooves, respectively, the top surfaces of the two groups of wedge-shaped blocks 27 are fixedly connected to the bottom surfaces of the two lower dies 22, respectively, two mounting plates 213 are fixedly arranged on the outer walls of the two lower dies 22, respectively, two threaded holes are formed in the top surface of the fixed frame 21, and the two threaded holes are arranged corresponding to the two mounting plates 213, respectively;

[0036] The bottom plate 1 top surface is fixedly provided with a fixed frame 31, the fixed frame 31 top surface is fixedly provided with an electric push rod 32, the electric push rod 32 output end bottom surface extends to the fixed frame 31 inside through the fixed frame 31 top surface, and the electric push rod 32 output end bottom surface is fixedly connected with the upper die 34 top surface. The upper die 34 is located above the two lower dies 22, the upper die 34 top surface is fixedly provided with two limiting rods 33, the two limiting rods 33 top surfaces extend to the fixed frame 31 above through the fixed frame 31 inside top surface, and the upper die 34 bottom surface is fixedly provided with four positioning rods 35. The fixed frame 21 top surface is provided with four positioning holes, and the four positioning rods 35 are correspondingly arranged with the four positioning holes.

[0037] In use, first, the two lower dies 22 are pressed inside the fixed frame 21, the two mounting plates 213 can be fixed with the fixed frame 21 top surface through the two bolts, so that the two lower dies 22 can be fixed, and after the two lower dies 22 are pressed inside the fixed frame 21, the powder is poured between the two lower dies 22. After placing, the electric push rod 32 is controlled to be turned on, and after the electric push rod 32 is turned on, the upper die 34 can be moved downward, and the two lower dies 22 can be stamping formed on the powder when the upper die 34 moves downward;

[0038] After stamping, the two bolts are screwed out of the two bolt holes, and after being screwed out, the lifting frame 26 can be moved upward through the two first springs 24, the two first dampers 23 and the two extrusion plates 25. When the lifting frame 26 moves upward, the two lower dies 22 can be driven to move synchronously, and after the two lower dies 22 move upward above the fixed frame 21, the moving plate 210 can move toward one side of the control plate 211 through the two second springs 29 and the two second dampers 28. During the movement, the two lower dies 22 can be separated through the two push plates 212 and the two control plates 211, so that the Archimedes screw after forming can be taken out more conveniently.

[0039] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a..." does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A forming die for powder metallurgically producing an Archimedes worm, comprising a base plate (1) and four support legs (4) fixedly arranged on the bottom face of the base plate (1), characterized in that: The bottom plate (1) is provided with a forming mechanism (2) and a pressing mechanism (3) above it. The pressing mechanism (3) is located above the forming mechanism (2). The pressing mechanism (3) comprises an upper mold (34). The forming mechanism (2) comprises a mold part and an auxiliary part. The mold part comprises a fixed frame (21) and two lower molds (22), and the auxiliary part comprises a lifting frame (26). The bottom surface of the fixed frame (21) is fixedly connected to the top surface of the bottom plate (1), the inner side surface of the fixed frame (21) is slidably connected to the outer wall of the lifting frame (26), the top surface of the lifting frame (26) is slidably connected to the bottom surface of the two lower molds (22), respectively, a through slot is formed through the top surface of the lifting frame (26), two control plates (211) are slidably arranged in the inner wall of the through slot, the top surfaces of the two control plates (211) are fixedly connected to the bottom surfaces of the two lower molds (22), respectively, a moving plate (210) is slidably arranged on the inner side surface of the lifting frame (26), two push plates (212) are hingedly arranged on the side surface of the moving plate (210) close to the two control plates (211), respectively, and the side surfaces of the two push plates (212) close to the two control plates (211) are hingedly connected to the outer walls of the two control plates (211), respectively.

2. A forming die for powder metallurgical production of an Archimedes worm according to claim 1, characterized in that: A fixed frame (31) is fixedly arranged on the top surface of the bottom plate (1), an electric push rod (32) is fixedly arranged on the top surface of the fixed frame (31), the output end of the electric push rod (32) extends to the inner side of the fixed frame (31) through the top surface of the fixed frame (31), and the output end of the electric push rod (32) is fixedly connected to the top surface of the upper mold (34).

3. A forming die for powder metallurgical production of an Archimedes worm according to claim 1, characterized in that: The top opening of the fixed frame (21) is provided with a slope, two sliding grooves are formed in the outer wall of the fixed frame (21), respectively, two extrusion plates (25) are slidably arranged in the inner walls of the two sliding grooves, respectively, the side surfaces of the two extrusion plates (25) close to the lifting frame (26) are fixedly connected to the outer wall of the lifting frame (26), two first springs (24) and two first dampers (23) are fixedly arranged on the top surface of the bottom plate (1), the top surfaces of the two first springs (24) and the two first dampers (23) are fixedly connected to the bottom surfaces of the two control plates (211), respectively, and the initial states of the two first springs (24) are in the extended state.

4. A forming die for powder metallurgy production of an Archimedes worm according to claim 1, characterized in that: A second spring (29) and a second damper (28) are fixedly arranged on the inner side surface of the lifting frame (26), the side surfaces of the second spring (29) and the second damper (28) close to the moving plate (210) are fixedly connected to the outer wall of the moving plate (210), and the initial state of the second spring (29) is in the extended state.

5. A forming die for powder metallurgy production of an Archimedean worm according to claim 1, characterized in that: Two wedge-shaped grooves are formed in the top surface of the lifting frame (26), two groups of wedge-shaped blocks (27) are slidably arranged in the inner walls of the two wedge-shaped grooves, respectively, the top surfaces of the two groups of wedge-shaped blocks (27) are fixedly connected to the bottom surfaces of the two lower molds (22), respectively, two mounting plates (213) are fixedly arranged on the outer walls of the two lower molds (22), respectively, two threaded holes are formed in the top surface of the fixed frame (21), and the two threaded holes are correspondingly arranged with the two mounting plates (213), respectively.

6. A forming die for powder metallurgy production of an Archimedean worm according to claim 2, characterized in that: The top surface of the upper mold (34) is fixedly provided with two limiting rods (33), the top surfaces of the two limiting rods (33) extend to the upper side of the fixed frame (31) through the inner top surface of the fixed frame (31), the bottom surface of the upper mold (34) is fixedly provided with four positioning rods (35), the top surface of the fixed frame (21) is provided with four positioning holes, and the four positioning rods (35) are correspondingly arranged with the four positioning holes.

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