Ejection mechanism of metal powder forming die

Abstract

The utility model relates to the technical field of forming dies, and discloses an ejection mechanism of a metal powder forming die, which comprises a forming lower die, the bottom of the inner surface of the forming lower die is movably connected with an ejection rod, and the bottom end of the ejection rod penetrates through the forming lower die, extends to the lower part of the forming lower die and is fixedly connected with an ejection plate. Through the arrangement of the ejector plate, the connecting block, the clamping blocks, the driving rod and the driven rods, when the first motor starts to operate, the circular shaft and the driving rod start to rotate, the two driven rods are driven by the two ends of the driving rod and start to rotate at the moment, and meanwhile the other ends of the two driven rods drive the two clamping blocks respectively; the two clamping blocks are integrally limited by the limiting block to oppositely move, finally, when the clamping blocks are separated from the inner surface of the connecting block, integral fixation of the connecting block and the ejector plate is relieved, and therefore an operator can conveniently and regularly maintain the interior of the mounting box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of forming die, more specifically, the utility model relates to a kind of ejection mechanism of metal powder forming die. BACKGROUND

[0002] Mold is the various moulds and tools of required product obtained by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and mold is precision tool in processing production, with higher requirements for pressure-bearing capacity, structural strength, rigidity, surface hardness, surface roughness and machining accuracy, and the development level of mold production is one of the important signs of the machining manufacturing level of a country.

[0003] When operating personnel recycles metal powder by forming die, ejection mechanism is often used to eject the formed metal block out of the die, but the existing ejection mechanism has the problem of inconvenient disassembly and maintenance in actual use, so it needs to be improved. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an ejection mechanism of metal powder forming die, which has the advantages of convenient disassembly and maintenance.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an ejection mechanism of metal powder forming die, comprising a forming lower die, a top-out rod movably connected to the bottom of the inner surface of the forming lower die, the bottom end of the top-out rod penetrating the forming lower die and extending below the forming lower die and fixedly connected with a top-out plate, the lower surface of the top-out plate movably connected with a movable plate, the front and rear sides of the lower surface of the top-out plate fixedly connected with a connecting block, the bottom end of the connecting block penetrating the movable plate and extending below the movable plate, the inner surfaces of the front and rear sides of the movable plate movably connected with a limiting block, the lower surface of the limiting block fixedly connected with a clamping block, the number of clamping blocks is two, the upper surfaces of the two clamping blocks are movably connected with the lower surface of the movable plate, the outer surfaces of the two clamping blocks are movably connected with the inner surfaces of the connecting blocks, the inner surface of the middle part of the movable plate fixedly installed with a No. 1 motor, the other end of the output shaft of the No. 1 motor fixedly sleeved with a round shaft, the outer surface of the round shaft fixedly sleeved with a driving rod, the front and rear ends of the driving rod are hingedly connected with a driven rod, the number of driven rods is two, the other ends of the two driven rods are hingedly connected with the outer surfaces of the two clamping blocks.

[0006] As a preferred technical scheme of the utility model, the left and right sides of the movable plate are fixedly connected with long plates below the ejection plate, the front and rear ends of the long plate are movably connected with installation boxes, the inner surfaces of the front and rear ends of the long plate are movably sleeved with limiting rods, and the upper and lower ends of the limiting rods are fixedly connected with the inner surfaces of the installation boxes.

[0007] As a preferred technical scheme of the utility model, the bottom end of the outer surface of the forming lower die is fixedly sleeved with a lower die fixing plate, the lower surface of the lower die fixing plate is movably connected with the upper surface of the installation box, the bottom end of the inner surface of the forming lower die is fixedly connected with a square block, and the outer surface of the square block is hingedly connected with installation sleeves on the left and right sides of the movable plate.

[0008] As a preferred technical scheme of the utility model, the inner surface of the installation sleeve is fixedly provided with a pneumatic cylinder, the top end of the pneumatic cylinder is fixedly connected with a hinge block, and the outer surface of the hinge block is hingedly connected with the outer surface of the movable plate.

[0009] As a preferred technical scheme of the utility model, the front and rear sides of the lower surface of the lower die fixing plate are movably connected with fixing blocks, the number of the fixing blocks is two, the outer surfaces of the two fixing blocks are fixedly connected with the outer surfaces of the installation boxes, the upper surfaces of the two fixing blocks are fixedly connected with limiting strips, the outer surface of the limiting strip is movably connected with a moving plate, and the lower surface of the moving plate is movably connected with the upper surface of the fixing block.

[0010] As a preferred technical scheme of the utility model, the outer surfaces of the two fixing blocks are fixedly connected with baffles, the lower surfaces of the two fixing blocks are fixedly provided with second motors, and the other end of the output shaft of the second motor is fixedly sleeved with a rotating shaft.

[0011] As a preferred technical scheme of the utility model, the outer surface of the rotating shaft is fixedly sleeved with a driving rod, and the inner surface of the driving rod is movably connected with the outer surface of the moving plate.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] The utility model discloses a connecting block, a clamping block, a driving rod and a driven rod are arranged, when the first motor starts to run, the circular shaft and the driving rod start to rotate, the two driven rods are driven by the two ends of the driving rod and start to rotate, the other ends of the two driven rods drive the two clamping blocks respectively, the two clamping blocks start to move towards each other under the limiting of the limiting block, and when the clamping block is separated from the inner surface of the connecting block, the fixing of the connecting block and the ejection plate is released, so that the internal part of the installation box can be regularly maintained by the operator. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of the utility model side section;

[0016] Figure 3 It is a structure schematic view of the utility model bottom section;

[0017] Figure 4 It is a structure schematic view of the utility model installation box section;

[0018] Figure 5 It is a structure schematic view of the utility model limiting block.

[0019] In the drawing: 1, forming lower mould; 2, ejector rod; 3, ejector plate; 4, connecting block; 5, movable plate; 6, clamping block; 7, limiting block; 8, No. 1 motor; 9, round shaft; 10, driving rod; 11, driven rod; 12, long plate; 13, limiting rod; 14, installation box; 15, lower mould fixed plate; 16, square block; 17, mounting sleeve; 18, pneumatic cylinder; 19, hinged block; 20, fixed block; 21, limiting strip; 22, baffle; 23, moving plate; 24, No. 2 motor; 25, rotating shaft; 26, driving rod. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0021] For example, Figures 1 to 5As shown, the utility model provides a kind of ejection mechanism of metal powder forming die, including forming lower mould 1, the bottom of the inner surface of forming lower mould 1 is movably connected with ejector rod 2, the bottom end of ejector rod 2 is through forming lower mould 1 and extends to the below of forming lower mould 1 and is fixedly connected with ejector plate 3, the lower surface of ejector plate 3 is movably connected with movable plate 5, the front and rear sides of the lower surface of ejector plate 3 are all fixedly connected with connecting block 4, the bottom end of connecting block 4 is through movable plate 5 and extends to the below of movable plate 5, the inner surface of the front and rear sides of movable plate 5 is movably connected with limit block 7, the lower surface of limit block 7 is fixedly connected with clamping block 6, the number of clamping block 6 is two, the upper surface of two clamping blocks 6 is movably connected with the lower surface of movable plate 5, the outer surface of two clamping blocks 6 is movably connected with the inner surface of connecting block 4, the inner surface of the middle part of movable plate 5 is fixedly installed with motor 8, the other end of motor 8 output shaft is fixedly sleeved with round shaft 9, the outer surface of round shaft 9 is fixedly sleeved with driving rod 10, the front and rear ends of driving rod 10 are all hinged with driven rod 11, the number of driven rod 11 is two, the other end of two driven rods 11 is respectively hinged with the outer surface of two clamping blocks 6;When operator starts motor 8, round shaft 9 and driving rod 10 will start rotating, the ends of driving rod 10 will drive driven rod 11 at this time, so that driven rod 11 starts rotating, and at the same time, the other end of driven rod 11 will drive clamping block 6, so that two clamping blocks 6 as a whole start moving towards each other under the limitation of limit block 7, finally clamping block 6 will be separated from the contact with connecting block 4.

[0022] Wherein, the left and right sides of movable plate 5 are all fixedly connected with long plate 12 located below ejector plate 3, the front and rear ends of long plate 12 are movably connected with mounting box 14, the inner surface of the front and rear ends of long plate 12 is movably sleeved with limit rod 13, the upper and lower ends of limit rod 13 are all fixedly connected with the inner surface of mounting box 14;The design of limit rod 13 will limit the moving direction of long plate 12 and movable plate 5 as a whole, so as to ensure that the upward movement of movable plate 5 as a whole and ejector plate 3 as a whole can finally eject the metal block inside forming lower mould 1 to the outside of forming lower mould 1.

[0023] Wherein, the bottom of the outer surface of forming lower mould 1 is fixedly sleeved with lower mould fixed plate 15, the lower surface of lower mould fixed plate 15 is movably connected with the upper surface of mounting box 14, the bottom of the inner surface of forming lower mould 1 is fixedly connected with square 16, the outer surface of square 16 is hinged with mounting sleeve 17 located at the left and right sides of movable plate 5;The design of square 16 and mounting sleeve 17 makes mounting sleeve 17 as a whole can rotate with the hinged place of square 16 and mounting sleeve 17 as the axis.

[0024] The inner surface of the mounting sleeve 17 is fixedly provided with an air cylinder 18, the top end of the air cylinder 18 is fixedly connected with a hinged block 19, the outer surface of the hinged block 19 is hinged with the outer surface of the movable plate 5; when the operator starts the air cylinder 18, the hinged block 19 will start to move upwards, at this time, the mounting sleeve 17 and the air cylinder 18 will rotate, at the same time, the top end of the hinged block 19 will drive the movable plate 5, so that the movable plate 5 and the ejection plate 3 as a whole start to move upwards.

[0025] The lower surface of the lower mold fixed plate 15 is movably connected with two fixed blocks 20, the outer surfaces of the two fixed blocks 20 are fixedly connected with the outer surface of the mounting box 14, the upper surfaces of the two fixed blocks 20 are fixedly connected with limiting strips 21, the outer surface of the limiting strip 21 is movably connected with a moving plate 23, and the lower surface of the moving plate 23 is movably connected with the upper surface of the fixed block 20; the moving plate 23 can move on the upper surface of the fixed block 20, and the design of the limiting strip 21 limits the moving direction of the moving plate 23, so that the two moving plates 23 can only move left and right.

[0026] The outer surfaces of the two fixed blocks 20 are fixedly connected with baffles 22, the lower surfaces of the two fixed blocks 20 are fixedly provided with a second motor 24, and the other end of the output shaft of the second motor 24 is fixedly sleeved with a rotating shaft 25; when the second motor 24 starts to operate, the rotating shaft 25 starts to rotate, and the design of the baffle 22 limits the moving range of the moving plate 23, so that the moving plate 23 is prevented from contacting the limiting strip 21.

[0027] The outer surface of the rotating shaft 25 is fixedly sleeved with a driving rod 26, and the inner surface of the driving rod 26 is movably connected with the outer surface of the moving plate 23; when the driving rod 26 starts to rotate, the inner surface of the driving rod 26 drives the moving plate 23, so that the moving plate 23 starts to move left and right under the limitation of the limiting strip 21, and finally the two moving plates 23 contact the outer surface of the baffle 22.

[0028] The working principle and use process of the utility model are as follows:

[0029] First, the operator starts the second motor 24, and with the operation of the second motor 24, the rotating shaft 25 and the driving rod 26 start to rotate, at this time, the inner surface of the driving rod 26 drives the moving plate 23, so that the two moving plates 23 start to move in opposite directions along the outer surface of the limiting strip 21, when the two moving plates 23 contact the baffle 22, the fixing of the lower mold fixed plate 15 and the forming lower mold 1 is released, at this time, the operator removes the lower mold fixed plate 15 as a whole to expose the inside of the mounting box 14.

[0030] Then the operator starts the first motor 8, with the operation of the first motor 8, the circular shaft 9 and the driving rod 10 will start to rotate, at this time the two driven rods 11 will start to rotate under the driving of the driving rod 10, and the other end of the two driven rods 11 will drive the two clamping blocks 6 respectively, so that the two clamping blocks 6 start to move towards each other as a whole, finally when the clamping block 6 is separated from the inner surface of the connecting block 4, the fixing of the connecting block 4 and the ejector plate 3 as a whole will be released, at this time the operator can take down the ejector rod 2 and the ejector plate 3 as a whole, so as to facilitate the subsequent maintenance work.

[0031] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ejection mechanism of a metal powder molding die comprising a lower molding die (1), characterized by: The bottom of the inner surface of the forming lower mold (1) is movably connected with the ejection rod (2), the bottom end of the ejection rod (2) penetrates through the forming lower mold (1) and extends below the forming lower mold (1) and is fixedly connected with the ejection plate (3), the lower surface of the ejection plate (3) is movably connected with the movable plate (5), the front and rear sides of the lower surface of the ejection plate (3) are fixedly connected with the connecting block (4), the bottom end of the connecting block (4) penetrates through the movable plate (5) and extends below the movable plate (5), the inner surfaces of the front and rear sides of the movable plate (5) are movably connected with the limiting block (7), the lower surface of the limiting block (7) is fixedly connected with the clamping block (6), the number of the clamping block (6) is two, the upper surfaces of the two clamping blocks (6) are movably connected with the lower surface of the movable plate (5), the outer surfaces of the two clamping blocks (6) are movably connected with the inner surfaces of the connecting block (4), the inner surface of the middle part of the movable plate (5) is fixedly installed with the first motor (8), the other end of the output shaft of the first motor (8) is fixedly sleeved with the circular shaft (9), the outer surface of the circular shaft (9) is fixedly sleeved with the driving rod (10), the front and rear ends of the driving rod (10) are hingedly connected with the driven rod (11), the number of the driven rod (11) is two, the other ends of the two driven rods (11) are respectively hingedly connected with the outer surfaces of the two clamping blocks (6).

2. The ejection mechanism of a metal powder molding die according to claim 1, characterized in that: The left and right sides of the movable plate (5) are fixedly connected with the long plate (12) below the ejection plate (3), the front and rear ends of the long plate (12) are movably connected with the mounting box (14), the inner surfaces of the front and rear ends of the long plate (12) are movably sleeved with the limiting rod (13), the upper and lower ends of the limiting rod (13) are fixedly connected with the inner surfaces of the mounting box (14).

3. The ejection mechanism of a metal powder molding die according to claim 1, characterized in that: The bottom end of the outer surface of the forming lower mold (1) is fixedly sleeved with the lower mold fixing plate (15), the lower surface of the lower mold fixing plate (15) is movably connected with the upper surface of the mounting box (14), the bottom end of the inner surface of the forming lower mold (1) is fixedly connected with the square block (16), the outer surface of the square block (16) is hingedly connected with the mounting sleeve (17) on the left and right sides of the movable plate (5).

4. The ejection mechanism of a metal powder molding die according to claim 3, wherein: The inner surface of the mounting sleeve (17) is fixedly installed with the air cylinder (18), the top end of the air cylinder (18) is fixedly connected with the hinged block (19), the outer surface of the hinged block (19) is hingedly connected with the outer surface of the movable plate (5).

5. The ejection mechanism of a metal powder molding die according to claim 3, wherein: The front and rear sides of the lower surface of the lower mold fixing plate (15) are movably connected with the fixed block (20), the number of the fixed block (20) is two, the outer surfaces of the two fixed blocks (20) are fixedly connected with the outer surfaces of the mounting box (14), the upper surfaces of the two fixed blocks (20) are fixedly connected with the limiting strip (21), the outer surface of the limiting strip (21) is movably connected with the moving plate (23), the lower surface of the moving plate (23) is movably connected with the upper surface of the fixed block (20).

6. A ejection mechanism for a metal powder forming die according to claim 5, wherein: The outer surface of each of the two fixing blocks (20) is fixedly connected with a baffle (22), and the lower surface of each of the two fixing blocks (20) is fixedly installed with a No.2 motor (24), and the other end of the output shaft of the No.2 motor (24) is fixedly sleeved with a rotating shaft (25).

7. A ejection mechanism for a metal powder forming die according to claim 6, wherein: The outer surface of the rotating shaft (25) is fixedly sleeved with a driving rod (26), and the inner surface of the driving rod (26) is movably connected with the outer surface of the moving plate (23).

Images