Powder compression molding device for gear machining

Abstract

The utility model discloses a powder compression moulding device for gear processing, which comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a lower die, the surface of the bottom plate is slidably connected with a support plate, the surface of the support plate is fixedly connected with a fixed seat, metal powder raw materials are filled into the lower die, and a compression component is started to compress powder into a gear. The moving mechanism is started to drive the air inlet cover to move to the position over the lower mold through the supporting plate, the fixing base, the electric push rod and the connecting plate, the electric push rod is started to drive the cleaning barrel brush to enter the lower mold, the driving mechanism is started to drive the cleaning barrel brush to rotate to brush away powder, and meanwhile the collecting assembly is started to suck and collect the brushed powder. The aim of automatically cleaning and collecting residual powder raw materials in the compression molding device is achieved, and the problems that due to the fact that existing powder cleaning work usually needs to be manually carried out, the work danger is increased, and meanwhile the machining efficiency is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear pressing processing technical field especially relates to a powder press forming device for gear machining. BACKGROUND

[0002] Gear pressing is a gear manufacturing method, through specific mould and pressure, metal powder or other materials are pressed into the shape of gear. This method is usually used for the manufacture of powder metallurgy gear, its process includes mixing metal powder with appropriate amount of lubricant, forming agent, then press forming in mould, finally after sintering etc. subsequent treatment gets the final gear product.

[0003] When the press forming device is in use, the upper mould is usually pushed by the hydraulic system to press the metal powder in the lower mould for press forming work, and after the gear press forming in the lower mould is demoulded, a certain amount of powder raw material will inevitably remain in the lower mould, and in order to avoid the influence of the subsequent gear press forming, the remaining powder needs to be cleaned.

[0004] And the cleaning of the powder in the mould is usually done manually, which is dangerous and slow, and it is difficult to press the gear efficiently. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a powder press forming device for gear machining to solve the problems in the background art.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A powder press forming device for gear machining, comprising a bottom plate, the bottom plate top surface is fixedly connected with a lower mould, the bottom plate surface is slidably connected with a supporting plate, the supporting plate surface is fixedly connected with a fixed seat, the fixed seat inner wall is fixedly connected with an electric push rod, the electric push rod output end is fixedly connected with a connecting plate, the connecting plate bottom surface is fixedly connected with an air inlet cover, the air inlet cover inner wall is fixedly connected with a fixed frame, the fixed frame inner wall is rotatably connected with a transmission shaft, the transmission shaft bottom end is fixedly connected with a cleaning cylinder brush, and the cleaning cylinder brush surface is overlapped with the lower mould inner wall, the connecting plate bottom surface is provided with a driving mechanism, the air inlet cover inside is provided with a collecting assembly, the bottom plate bottom surface is provided with a moving mechanism, and the bottom plate left side is provided with a pressing assembly.

[0008] Preferably, the driving mechanism is composed of a servo motor, a driving wheel, a transmission belt and a driven wheel, the servo motor is fixedly connected to the bottom surface of the connecting plate, the inner wall of the driving wheel is fixedly connected to the output end of the servo motor, the transmission belt is engaged with the inner wall of the driving wheel and is slidably connected to the inner wall of the air inlet cover, and the inner wall of the driven wheel is fixedly connected to the surface of the transmission shaft and is engaged with the transmission belt.

[0009] Preferably, the collecting assembly is composed of a suction pipe, a collecting box and a fan, the air inlet end of the suction pipe is fixedly connected to the inner wall of the air inlet cover, the suction pipe is fixedly connected to the inner wall of the connecting plate, the collecting box is fixedly connected to the top surface of the connecting plate, the inner wall of the collecting box is fixedly connected to the air outlet end of the suction pipe, and the fan is fixedly connected to the front surface of the collecting box and has an air inlet end fixedly connected to the inner wall of the collecting box.

[0010] Preferably, the moving mechanism is composed of a linear motor and a driving frame, the linear motor is fixedly connected to the bottom surface of the bottom plate, and the driving frame is fixedly connected to the moving end of the linear motor and the bottom surface of the supporting plate.

[0011] Preferably, the pressing assembly is composed of a connecting frame, a hydraulic push rod and an upper die, the connecting frame is fixedly connected to the left side of the bottom plate, the hydraulic push rod is fixedly connected to the inner wall of the connecting frame, the upper die is fixedly connected to the output end of the hydraulic push rod and is slidably connected to the inner wall of the lower die.

[0012] Preferably, the number of the electric push rods is plural, and the plural electric push rods are symmetrically arranged with the vertical middle line of the right side of the bottom plate as the axis of symmetry.

[0013] Preferably, the connecting frame is in the shape of an inverted "L", and the connecting frame is made of a metal material.

[0014] Compared with the prior art, the beneficial effects of the powder compression molding device for gear machining are as follows: the metal powder raw material is filled into the lower die, the pressing assembly is started to press the powder into a gear, the moving mechanism is started to drive the air inlet cover to move to the upper side of the lower die through the supporting plate, the fixed seat, the electric push rod and the connecting plate, the electric push rod is started to drive the cleaning cylinder brush to enter the lower die, the driving mechanism is started to drive the cleaning cylinder brush to rotate to brush off the powder, and the collecting assembly is started to suck and collect the brushed-off powder; the object of automatically cleaning and collecting the residual powder raw material in the compression molding device is achieved, the problem that the cleaning work of the powder usually needs to be manually performed is avoided, the risk of work is increased, and the machining efficiency is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The structure of the utility model is measured;

[0016] Fig. 2The utility model discloses a structure right section view.

[0017] Fig. 3 The utility model discloses structure A place structure enlarged view.

[0018] In the drawing: 1, bottom plate, 2, lower mould, 3, support plate, 4, fixed seat, 5, electric push rod, 6, connecting plate, 7, air inlet cover, 8, fixed frame, 9, transmission shaft, 10, cleaning cylinder brush, 11, servo motor, 12, driving wheel, 13, transmission belt, 14, driven wheel, 15, suction pipe, 16, collection box, 17, fan, 18, linear motor, 19, drive frame, 20, connecting frame, 21, hydraulic push rod, 22, upper mould. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and 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 work belong to the range of the utility model protection.

[0020] Refer to Figs. 1-3The utility model provides a kind of powder press forming device for gear processing, including bottom plate 1, bottom plate 1 top surface fixedly connected with lower mould 2, bottom plate 1 surface slidingly connected with support plate 3, support plate 3 surface fixedly connected with fixed seat 4, fixed seat 4 inner wall fixedly connected with electric push rod 5, the number of electric push rod 5 is multiple, and multiple electric push rod 5 is vertically middle line of bottom plate 1 right side symmetry axis symmetry arrangement, for driving connecting plate 6 lifting movement, improve lifting stability, electric push rod 5 output end fixedly connected with connecting plate 6, connecting plate 6 bottom surface fixedly connected with air inlet cover 7, air inlet cover 7 inner wall fixedly connected with fixed frame 8, fixed frame 8 inner wall rotatably connected with transmission shaft 9, transmission shaft 9 bottom end fixedly connected with cleaning cylinder brush 10, and cleaning cylinder brush 10 surface and lower mould 2 inner wall overlap, connecting plate 6 bottom surface is provided with drive mechanism, drive mechanism is by servo motor 11, driving wheel 12, transmission belt 13 and driven wheel 14 are formed, servo motor 11 is fixedly connected with connecting plate 6 bottom surface, driving wheel 12 inner wall is fixedly connected with servo motor 11 output end, transmission belt 13 is engaged with driving wheel 12 inner wall, and transmission belt 13 surface is slidingly connected with air inlet cover 7 inner wall, driven wheel 14 inner wall is fixedly connected with the surface of transmission shaft 9, and driven wheel 14 inner wall is engaged with transmission belt 13, for driving cleaning cylinder brush 10 rotation, it is convenient to carry out the brush removal cleaning work of powder, air inlet cover 7 inside is provided with collection subassembly, collection subassembly is by suction pipe 15, collection box 16 and fan 17 are formed, suction pipe 15 air inlet end is fixedly connected with air inlet cover 7 inner wall, and suction pipe 15 is fixedly connected with connecting plate 6 inner wall, collection box 16 is fixedly connected with connecting plate 6 top surface, and collection box 16 inner wall is fixedly connected with the air outlet end of suction pipe 15, fan 17 is fixedly connected with the front surface of collection box 16, and fan 17 air inlet end is fixedly connected with collection box 16 inner wall, for suction powder, it is convenient to carry out the automatic collection work of powder, bottom plate 1 bottom surface is provided with moving mechanism, and bottom plate 1 left side is provided with press assembly.

[0021] Specifically, the moving mechanism is composed of a linear motor 18 and a driving frame 19, the linear motor 18 is fixedly connected with the bottom surface of the bottom plate 1, the driving frame 19 is fixedly connected with the moving end of the linear motor 18, and the driving frame 19 is fixedly connected with the bottom surface of the support plate 3, for driving the air inlet cover 7 to move horizontally, to facilitate automatic adjustment of the position of cleaning and suction.

[0022] Specifically, the press assembly is composed of a connecting frame 20, a hydraulic push rod 21 and an upper mould 22, the connecting frame 20 is in the shape of an inverted "L", and is made of metal material, the connecting frame 20 made of metal material has higher strength and is not easy to deform and damage after being stressed, is more durable, the connecting frame 20 is fixedly connected with the left side of the bottom plate 1, the hydraulic push rod 21 is fixedly connected with the inner wall of the connecting frame 20, the upper mould 22 is fixedly connected with the output end of the hydraulic push rod 21, and the upper mould 22 is slidingly connected with the inner wall of the lower mould 2, for carrying out the press forming work of powder, to facilitate the processing and forming of raw materials into gears.

[0023] The electrical components in this article are all connected with the host computer and 220V mains, and the host computer can be a computer or other conventional known device that can be controlled.

[0024] In use: first, the metal powder raw material is filled into the lower mold 2, the hydraulic push rod 21 is started to push the upper mold 22 to slide into the lower mold 2, that is, the pressure on the powder is applied to perform the gear pressing forming work, after the pressing is completed, the gear is demolded, the linear motor 18 is started to drive the fixed seat 4 and the electric push rod 5 to move left through the driving frame 19 and the support plate 3, the electric push rod 5 is started to drive the fixed frame 8, the transmission shaft 9 and the cleaning cylinder brush 10 to move into the lower mold 2 through the connecting plate 6 and the air inlet cover 7, the servo motor 11 is started to drive the driving wheel 12 and the transmission belt 13 to rotate, through the meshing of the transmission belt 13 and the driven wheel 14, the transmission shaft 9 and the cleaning cylinder brush 10 are driven to rotate along the inner wall of the fixed frame 8 to brush off the residual powder in the lower mold 2, at the same time, the air fan 17 is started to suck the air below and the brushed powder through the collecting box 16, the suction pipe 15 and the air inlet cover 7, and the powder can be filtered and collected through the filter bag arranged in the collecting box 16.

[0025] In summary, the powder pressing forming device for gear machining fills the metal powder raw material into the lower mold 2, starts the pressing assembly to press the powder into a gear, starts the moving mechanism to drive the air inlet cover 7 to move above the lower mold 2 through the support plate 3, the fixed seat 4, the electric push rod 5 and the connecting plate 6, starts the electric push rod 5 to drive the cleaning cylinder brush 10 into the lower mold 2, starts the driving mechanism to drive the cleaning cylinder brush 10 to rotate to brush off the powder, and at the same time, starts the collecting assembly to suck and collect the brushed powder, so as to realize the goal of automatically cleaning and collecting the residual powder raw material in the pressing forming device, avoid the problem that the current powder cleaning work usually needs to be performed manually, thereby increasing the risk of work and reducing the processing efficiency, and solve the problems raised in the above background art.

[0026] It should be noted that, in this article, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the 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 device 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 device.

[0027] 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 powder press forming device for gear machining, comprising a base plate (1), characterized in that, The bottom plate (1) top surface is fixedly connected with the lower mold (2), the bottom plate (1) surface is slidably connected with the support plate (3), the support plate (3) surface is fixedly connected with the fixed seat (4), the fixed seat (4) inner wall is fixedly connected with the electric push rod (5), the electric push rod (5) output end is fixedly connected with the connecting plate (6), the connecting plate (6) bottom surface is fixedly connected with the air inlet cover (7), the air inlet cover (7) inner wall is fixedly connected with the fixed frame (8), the fixed frame (8) inner wall is rotatably connected with the transmission shaft (9), the transmission shaft (9) bottom end is fixedly connected with the cleaning cylinder brush (10), and the cleaning cylinder brush (10) surface is overlapped with the inner wall of the lower mold (2), the connecting plate (6) bottom surface is provided with a driving mechanism, the air inlet cover (7) is provided with a collecting assembly in the inside, the bottom plate (1) bottom surface is provided with a moving mechanism, and the bottom plate (1) left side is provided with a pressing assembly.

2. The powder press forming apparatus for gear machining according to claim 1, wherein The driving mechanism is composed of a servo motor (11), a driving wheel (12), a transmission belt (13) and a driven wheel (14), the servo motor (11) is fixedly connected with the bottom surface of the connecting plate (6), the inner wall of the driving wheel (12) is fixedly connected with the output end of the servo motor (11), the transmission belt (13) is engaged with the inner wall of the driving wheel (12), and the surface of the transmission belt (13) is slidably connected with the inner wall of the air inlet cover (7), the inner wall of the driven wheel (14) is fixedly connected with the surface of the transmission shaft (9), and the inner wall of the driven wheel (14) is engaged with the transmission belt (13).

3. The powder press forming apparatus for gear machining according to claim 1, wherein The collecting assembly is composed of a suction pipe (15), a collecting box (16) and a fan (17), the suction pipe (15) air inlet end is fixedly connected with the inner wall of the air inlet cover (7), and the suction pipe (15) is fixedly connected with the inner wall of the connecting plate (6), the collecting box (16) is fixedly connected with the top surface of the connecting plate (6), and the inner wall of the collecting box (16) is fixedly connected with the air outlet end of the suction pipe (15), the fan (17) is fixedly connected with the front surface of the collecting box (16), and the air inlet end of the fan (17) is fixedly connected with the inner wall of the collecting box (16).

4. The powder press forming apparatus for gear machining according to claim 1, wherein The moving mechanism is composed of a linear motor (18) and a driving frame (19), the linear motor (18) is fixedly connected with the bottom surface of the bottom plate (1), and the driving frame (19) is fixedly connected with the moving end of the linear motor (18).

5. The powder press forming apparatus for gear machining according to claim 1, wherein The pressing assembly is composed of a connecting frame (20), a hydraulic push rod (21) and an upper mold (22), the connecting frame (20) is fixedly connected with the left side of the bottom plate (1), the hydraulic push rod (21) is fixedly connected with the inner wall of the connecting frame (20), the upper mold (22) is fixedly connected with the output end of the hydraulic push rod (21), and the upper mold (22) is slidably connected with the inner wall of the lower mold (2).

6. The powder press forming apparatus for gear machining according to claim 1, wherein The number of the electric push rod (5) is multiple, and the multiple electric push rods (5) are symmetrically arranged with the vertical middle line of the right side of the bottom plate (1) as the symmetry axis.

7. The powder press forming apparatus for gear machining according to claim 5, wherein The connecting frame (20) is in inverted "L" shape, and the connecting frame (20) is made of metal material.

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