CN112371977A

CN112371977A - Powder metallurgy machine capable of automatically replacing gear die

Info

Publication number: CN112371977A
Application number: CN202011206037.1A
Authority: CN
Inventors: 李歌
Original assignee: Wuyi Yilan Metal Household Products Co ltd
Current assignee: Wuyi Yilan Metal Household Products Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-02-19

Abstract

The invention discloses a powder metallurgy machine capable of automatically replacing a gear die, which comprises a pressing box and a pressing cavity arranged in the pressing box, wherein a pressing cylinder is fixedly arranged on the upper cavity wall of the pressing cavity, a pressing piston rod is arranged on the lower end surface of the pressing cylinder, a through hole is formed in the pressing piston rod, an extruding cylinder is fixedly arranged on the lower cavity wall of the pressing cavity, and an extruding piston rod is arranged on the upper end surface of the extruding cylinder.

Description

Powder metallurgy machine capable of automatically replacing gear die

Technical Field

The invention relates to a powder metallurgy machine capable of automatically replacing a gear die, and mainly relates to the technical field of powder metallurgy.

Background

Powder metallurgy is a process technology for manufacturing metal powder or metal powder serving as a raw material to manufacture metal materials, composite materials and various products through forming and sintering, wherein gear manufacturing is included, the gear manufacturing is that metal powder is injected into a die and then is pressed to form, but the existing gear manufacturing only can press one type of gear due to the fact that the die is fixed, when the gear needs to be changed, a production line needs to be stopped to replace the die, time and labor are consumed, working efficiency is reduced, economic loss is increased, and the gear manufacturing method is improved aiming at the defects.

Disclosure of Invention

The invention aims to solve the technical problem of providing a powder metallurgy machine capable of automatically replacing a gear die, and the powder metallurgy machine overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to a powder metallurgy machine capable of automatically replacing a gear die, which comprises a pressing box and a pressing cavity arranged in the pressing box, wherein a pressing cylinder is fixedly arranged on the upper cavity wall of the pressing cavity, a pressing piston rod is arranged on the lower end surface of the pressing cylinder, a through hole is arranged in the pressing piston rod, an extruding cylinder is fixedly arranged on the lower cavity wall of the pressing cavity, an extruding piston rod is arranged on the upper end surface of the extruding cylinder, an inserting telescopic rod is uniformly and annularly arranged on the upper end surface of the extruding cylinder, an inserting push plate is fixedly arranged on the upper end surface of the inserting telescopic rod on the left side, a pushing box is fixedly arranged on the upper end surface of the inserting push plate, a pushing slide block is arranged in the pushing box in a sliding mode, a pushing piston rod is fixedly arranged on the left end surface of the pushing slide block, an adding block, a push rod is arranged on the left end face of the push cylinder on the left side, a push plate is fixedly arranged on the left end face of the push rod, an extrusion block is arranged on the left end face of the push plate in an adsorption manner, a first annular slide rail is fixedly arranged in an extrusion piston rod, an electromagnet is uniformly slidably arranged on the lower end face of the first annular slide rail and is in magnetic connection with the extrusion block, an extrusion air pipe is fixedly arranged on the lower end face of the push cylinder and is communicated with the extrusion box, a through hole rod is arranged on the upper end face of the extrusion cylinder and penetrates through the extrusion piston rod, a supporting block is fixedly arranged on the left cavity wall of the pressing cavity, a mold box is fixedly arranged on the right end face of the supporting block, a second annular slide rail is arranged on the upper wall of the mold box, replacement cylinders are uniformly and annularly and fixedly arranged on the inner walls on the front, change the fixed change electro-magnet that is equipped with of piston rod right-hand member face, the terminal surface evenly slides under the second annular slide rail and is equipped with the mould piece, change the electro-magnet with mould piece magnetic connection, the mould case is the fixed change telescopic link that is equipped with of side inner wall annular all around, it is fixed to be equipped with the change push pedal to change the telescopic link right-hand member face, the mould case is the fixed layer board that is equipped with of side inner wall annular all around, the terminal surface evenly fixes and is equipped with a telescopic link under the mould case, it is fixed with a push pedal to add a telescopic link up end, it is equipped with transport mechanism to press the intracavity, transport mechanism is used for following the gear that has pressed the mould case is transported away, it is equipped with notes whitewashed mechanism to press the intracavity, notes whitewashed mechanism is used.

Further, the transportation mechanism comprises a transportation cylinder fixedly arranged on the rear cavity wall of the pressing cavity, a transportation piston rod is arranged at the front end of the transportation cylinder, a clamping cylinder is fixedly arranged on the front end face of the transportation piston rod, clamping piston rods are symmetrically arranged on the left and right sides of the front end face of the clamping cylinder, a clamping handle is fixedly arranged on the front end face of the clamping piston rod, the clamping handles are hinged with each other, a hinge rod fixing rod is fixedly arranged on the front end face of the clamping cylinder and fixedly connected with the hinged part of the clamping handle, a conveyor belt fixing rod is fixedly arranged on the left end face of the pressing box, a transportation motor shaft is respectively and rotatably arranged on the rear cavity wall of the pressing cavity and the front end face of the conveyor belt fixing rod, the transportation motor shaft on, and a discharge hole is formed in the left wall of the pressing box.

Further, annotate powder mechanism including fixed set up in press the flexible pipe of notes powder on chamber left side chamber wall, the flexible pipe right-hand member face of notes powder is fixed and is equipped with the notes powder push pedal, the fixed powder case of depositing that is equipped with of notes powder push pedal right-hand member face, deposit the powder case with supporting shoe up end sliding connection, deposit the fixed powder mouth that is equipped with of powder case up end, press the incasement fixation and be equipped with the inlet pipe, the fixed charge door that is equipped with of terminal surface under the inlet pipe.

The invention has the beneficial effects that: after the die replacing device is used, when the die needs to be replaced due to the change of the number of teeth, the die is expanded and the teeth needing to be added are added to the original die, so that the effect of replacing the die is achieved, the production line does not need to be shut down for manual replacement, the working efficiency is greatly increased, the economic loss caused by die replacement is greatly reduced, and the economic loss caused by errors in the manual replacement process is prevented.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

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

Fig. 2 is a schematic view of the structure a-a in fig. 1.

FIG. 3 is a schematic diagram of B-B in FIG. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to the accompanying drawings 1-5, the powder metallurgy machine capable of automatically replacing the gear mold comprises a pressing box 11, a pressing cavity 12 arranged in the pressing box 11, a pressing cylinder 13 fixedly arranged on the upper cavity wall of the pressing cavity 12, a pressing piston rod 14 arranged on the lower end face of the pressing cylinder 13, a through hole 15 arranged in the pressing piston rod 14, an extruding cylinder 21 fixedly arranged on the lower cavity wall of the pressing cavity 12, an extruding piston rod 45 arranged on the upper end face of the extruding cylinder 21, an inserting telescopic rod 46 and an inserting push plate 47 fixedly arranged on the upper end face of the inserting telescopic rod 46 on the left side, a pushing box 50 fixedly arranged on the upper end face of the inserting push plate 47, a pushing slide block 51 arranged in the pushing box 50 in a sliding manner, a pushing piston rod 49 fixedly arranged on the left end face of the pushing slide block 51, an adding block 48 fixedly arranged on the left end face of the pushing piston rod 49, the extrusion piston rod 45 is internally and annularly and uniformly fixedly provided with a pushing cylinder 55, the left end surface of the pushing cylinder 55 on the left side is provided with a pushing rod 56, the left end surface of the pushing rod 56 is fixedly provided with a pushing plate 57, the left end surface of the pushing plate 57 is adsorbed with an extrusion block 58, the extrusion piston rod 45 is internally and fixedly provided with a first annular slide rail 53, the lower end surface of the first annular slide rail 53 is uniformly and slidably provided with an electromagnet 54, the electromagnet 54 is in magnetic connection with the extrusion block 58, the lower end surface of the pushing cylinder 55 is fixedly provided with an extrusion air pipe 59, the extrusion air pipe 59 is communicated with the pushing box 50, the upper end surface of the extrusion cylinder 21 is provided with a through hole rod 52, the through hole rod 52 penetrates through the extrusion piston rod 45, the left cavity wall of the pressing cavity 12 is fixedly provided with a supporting block 20, the right end surface of the supporting block 20 is fixedly provided with a, the die box 34 is uniformly and fixedly provided with replacement cylinders 35 in a ring shape on the front, back, left and right sides of the inner wall, the left side of the replacement cylinder 35 is provided with a replacement piston rod 36, the right end face of the replacement piston rod 36 is fixedly provided with a replacement electromagnet 37, the lower end face of the second annular sliding rail 38 is uniformly provided with a die block 44 in a sliding manner, the replacement electromagnet 37 is magnetically connected with the die block 44, the die box 34 is uniformly and fixedly provided with replacement telescopic rods 39 in a ring shape on the front, back, left and right sides of the inner wall, the replacement push plate 40 is fixedly provided on the right end face of the replacement telescopic rods 39, the die box 34 is uniformly and fixedly provided with supporting plates 41 in a ring shape on the front, back, left and right sides of the inner wall, the lower end face of the die box 34 is uniformly and fixedly provided with a block-adding telescopic rod 42, the upper end face of the block-, a powder injection mechanism 102 is arranged in the pressing cavity 12, and the powder injection mechanism 102 is used for injecting metal powder into the die box 34.

Beneficially, the transportation mechanism 101 includes a transportation cylinder 28 fixedly disposed on the rear cavity wall of the pressing cavity 12, a transportation piston rod 29 is disposed at the front end of the transportation cylinder 28, a clamping cylinder 30 is fixedly disposed on the front end face of the transportation piston rod 29, clamping piston rods 31 are symmetrically disposed on the left and right sides of the front end face of the clamping cylinder 30, a clamping handle 33 is fixedly disposed on the front end face of the clamping piston rod 31, the clamping handles 33 are hinged to each other, a hinge rod fixing rod 32 is fixedly disposed on the front end face of the clamping cylinder 30, the hinge rod fixing rod 32 is fixedly connected with the hinge of the clamping handle 33, a conveyor belt fixing rod 24 is fixedly disposed on the left end face of the pressing box 11, a transportation motor 25 is fixedly disposed on the left end face of the pressing box 11, a transportation motor shaft 26 is respectively rotatably disposed on the front end faces of the rear cavity wall of the pressing cavity 12 and the conveyor, the conveying belt 22 is arranged between the conveying motor shafts 26 in a transmission mode, and a discharge hole 27 is formed in the left wall of the pressing box 11.

Beneficially, the powder injection mechanism 102 includes a powder injection telescopic tube 16 fixedly arranged on the left cavity wall of the pressing cavity 12, a powder injection push plate 17 is fixedly arranged on the right end face of the powder injection telescopic tube 16, a powder storage box 18 is fixedly arranged on the right end face of the powder injection push plate 17, the powder storage box 18 is slidably connected with the upper end face of the supporting block 20, a powder inlet 19 is fixedly arranged on the upper end face of the powder storage box 18, a feeding pipe 60 is fixedly arranged in the pressing box 11, and a feeding port 61 is fixedly arranged on the lower end face of the feeding pipe 60.

Sequence of mechanical actions of the whole device:

1. injecting the prepared metal powder into the powder storage box 18 from the feeding pipe 60 through the feed inlet 61 from the powder inlet 19, and stopping injecting after the powder storage box 18 is filled with the metal powder;

2. the powder injection extension tube 16 is started to push the powder injection push plate 17 to enable the powder storage box 18 to slide rightwards, the powder storage box 18 is enabled to move above the die box 34, metal powder in the powder storage box 18 all falls into a cavity formed by the die block 44 in the process of rightwards moving of the powder storage box 18, the powder injection extension tube 16 is started to drive the powder storage box 18 to move leftwards through the powder injection push plate 17, the pressing cylinder 13 is started to drive the pressing piston rod 14 to move downwards, meanwhile, the pressing cylinder 21 is started to enable the pressing piston rod 45 to move upwards, the pressing piston rod 45 and the pressing piston rod 14 are extruded to enable the metal powder to form a gear, the pressing cylinder 13 is started to drive the pressing piston rod 14 to move upwards, the pressing cylinder 21 is started to enable the pressing piston rod 45 to continue to move upwards, and the pressed;

3. the transportation cylinder 28 is started to drive the transportation piston rod 29 to move forwards, the clamping cylinder 30 is started to drive the clamping piston rod 31 to move backwards to open the clamping hand 33, when the transportation piston rod 29 drives the clamping cylinder 30 to move forwards until the clamping hand 33 is located at the gear, the clamping cylinder 30 is started to drive the clamping piston rod 31 to move forwards to enable the clamping hand 33 to tighten and clamp the gear, the extrusion cylinder 21 is started to enable the extrusion piston rod 45 to move downwards, the transportation cylinder 28 is started to drive the transportation piston rod 29 to move backwards, the clamping hand 33 clamps the gear to move backwards until the gear is located above the conveyor belt 22, the transportation motor 25 is started to drive the transportation motor shaft 26 to rotate to enable the conveyor belt 22 to operate, the gear is driven to leave, and the steps;

4. when the shape of the gear needs to be changed, the extrusion cylinder 21 is started to drive the extrusion piston rod 45 to move downwards so that the extrusion piston rod 45 leaves the die box 34, the replacement cylinder 35 is started to drive the replacement piston rod 36 to move outwards and move the die block 44 outwards for a certain distance through the replacement electromagnet 37, and then the gear is stopped when the gear reaches the required diameter, the second annular slide rail 38 is started to drive the die block 44 to rotate so that the die block 44 is sealed to form a blank space, the replacement piston rod 36 continues to move backwards, the block adding expansion rod 42 is started to drive the block adding push plate 43 to move upwards and drive the die block 44 to move upwards, the replacement electromagnet 37 sucks the die block 44, the replacement cylinder 35 is started to drive the replacement piston rod 36 to move inwards and insert the die block 44 into the blank space so that the die block 44 is sealed, the block adding expansion rod 42 is retracted, the replacement expansion rod 39, meanwhile, the pushing cylinder 55 starts to push the pushing rod 56 to drive the extrusion block 58 to move outwards, the electromagnet 54 stops sucking the extrusion block 58 after the extrusion block moves to the required gear diameter, the first annular sliding rail 53 starts to drive the electromagnet 54 to rotate so that the extrusion block 58 is sealed and blank spaces appear, the inserting telescopic rod 46 starts to push the inserting push plate 47 to drive the pushing box 50 to move upwards, the pushing cylinder 55 starts to drive the pushing sliding block 51 to slide outwards to push the adding block 48 to move outwards to a position flush with the extrusion block 58, the inserting telescopic rod 46 continues to push the pushing box 50 to enable the adding block 48 to be inserted from the lower part to fill the blank spaces, the extrusion block 58 is sealed, and the extruding cylinder 21 starts to drive the extruding piston rod 45 to move upwards.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic change gear mold's powder metallurgy machine, including press the case and set up with press the incasement press the chamber, press the chamber wall fixed being equipped with in chamber and press the cylinder, press the cylinder down the terminal surface be equipped with and press the piston rod, be equipped with the through-hole in the piston rod, press the chamber wall fixed being equipped with extrusion cylinder down, the extrusion cylinder up end is equipped with extrusion piston rod, its characterized in that: the upper end face of the extrusion cylinder is annularly and uniformly fixedly provided with an insertion telescopic rod, the left side of the upper end face of the insertion telescopic rod is fixedly provided with an insertion push plate, the upper end face of the insertion push plate is fixedly provided with a push box, the push box is internally and slidably provided with a push slider, the left end face of the push slider is fixedly provided with a push piston rod, the left end face of the push piston rod is fixedly provided with an addition block, the extrusion piston rod is internally and annularly and uniformly and fixedly provided with a push cylinder, the left side of the extrusion cylinder is provided with a push rod, the left end face of the push rod is fixedly provided with a push plate, the left end face of the push plate is adsorbed and provided with an extrusion block, the extrusion piston rod is internally and fixedly provided with a first annular slide rail, the lower end face of the first annular slide rail is, the extrusion air pipe is communicated with the push box, a through hole rod is arranged on the upper end surface of the extrusion air cylinder and penetrates through the extrusion piston rod, a supporting block is fixedly arranged on the left cavity wall of the pressing cavity, a mold box is fixedly arranged on the right end surface of the supporting block, a second annular slide rail is arranged on the upper wall of the mold box, replacement air cylinders are uniformly and fixedly arranged on the front, back, left and right inner walls of the mold box in an annular mode, a replacement piston rod is arranged on the right end surface of the replacement air cylinder on the left side, a replacement electromagnet is fixedly arranged on the right end surface of the replacement piston rod, a mold block is uniformly and slidably arranged on the lower end surface of the second annular slide rail, the replacement electromagnet is magnetically connected with the mold block, replacement telescopic rods are uniformly and fixedly arranged on the front, back, left and right inner walls of the mold box in an annular, the terminal surface is evenly fixed to be equipped with under the mould case with a telescopic link, add the fixed push pedal that is equipped with of a telescopic link up end, it is equipped with transport mechanism to press the intracavity, transport mechanism is used for following the gear that has pressed the mould case transports away, it is equipped with notes powder mechanism to press the intracavity, notes powder mechanism is used for injecting metal powder into the mould case.

2. The powder metallurgy machine for automatically replacing the gear mold according to claim 1, wherein: the transportation mechanism comprises a transportation cylinder fixedly arranged on the rear cavity wall of the pressing cavity, the front end of the transportation cylinder is provided with a transportation piston rod, the front end surface of the transportation piston rod is fixedly provided with a clamping cylinder, the front end surface of the clamping cylinder is bilaterally symmetrically provided with clamping piston rods, the front end surface of the clamping piston rod is fixedly provided with a clamping handle, the clamping handles are hinged with each other, the front end surface of the clamping cylinder is fixedly provided with a hinge rod fixing rod, the hinge rod fixing rod is fixedly connected with the hinging part of the clamping handle, the left end surface of the pressing box is fixedly provided with a conveyor belt fixing rod, the left end surface of the pressing box is fixedly provided with a transportation motor, the rear cavity wall of the pressing cavity and the front end surface of the conveyor belt fixing rod are respectively and rotatably provided with a transportation motor shaft, and a discharge hole is formed in the left wall of the pressing box.

3. The powder metallurgy machine for automatically replacing the gear mold according to claim 1, wherein: annotate powder mechanism including fixed set up in press the flexible pipe of notes powder on chamber left side chamber wall, the flexible pipe right-hand member face of notes powder is fixed and is equipped with the notes powder push pedal, the fixed powder case that deposits that is equipped with of notes powder push pedal right-hand member face, deposit the powder case with supporting shoe up end sliding connection, it goes into the powder mouth to deposit the fixed income that is equipped with of powder case up end, press the incasement fixation and be equipped with the inlet pipe, the fixed charge door that is equipped with of end under the inlet pipe.