阅读说明：本技术 一种粉末成形机的侧压机构及粉末成形机 (Side pressing mechanism of powder forming machine and powder forming machine ) 是由 严俏敏 于 2021-01-18 设计创作，主要内容包括：本发明公开了一种粉末成形机的侧压机构,包括由两组或两组以上的阴模侧压模组,每组阴模侧压模组包括驱动装置和导向装置；其中,驱动装置可安装阴模侧压模具,阴模侧压模具与驱动装置相连接,并被安装于导向装置内；阴模侧压模具可在所述驱动装置的驱动下在导向装置内移动。本发明还公开一种粉末成型机,包括前述的侧压机构。采用了本发明的侧压机构的粉末成形机,可以实现压制在有水平方向有孔或台阶的产品,同时解决无法脱模的技术问题。(The invention discloses a side pressing mechanism of a powder forming machine, which comprises two or more groups of female die side pressing modules, wherein each group of female die side pressing modules comprises a driving device and a guiding device; the driving device can be provided with a female die side pressing die, and the female die side pressing die is connected with the driving device and arranged in the guiding device; the die side pressing die can move in the guide device under the driving of the driving device. The invention also discloses a powder forming machine which comprises the lateral pressing mechanism. The powder forming machine adopting the lateral pressing mechanism can press products with holes or steps in the horizontal direction, and simultaneously solves the technical problem that demoulding cannot be realized.)

1. The side pressing mechanism of the powder forming machine is characterized by comprising two or more groups of female die side pressing modules, wherein each group of female die side pressing modules comprises a driving device and a guiding device;

wherein the content of the first and second substances,

the driving device can be provided with a female die side pressing die which is connected with the driving device and is arranged in the guiding device; the female side pressing die can move in the guide device under the driving of the driving device.

2. The lateral pressing mechanism of a powder forming machine according to claim 1, wherein the driving means includes a driving mechanism, a control mechanism, and a die docking mechanism;

wherein the content of the first and second substances,

the driving mechanism can provide driving power, one end of the mold connection mechanism is connected with the driving mechanism, the other end of the mold connection mechanism is used for mounting a female mold side pressing mold, and the control mechanism can control the size of the driving power, the driving mode, the driving duration and the like; the control mechanism can receive a control signal sent by the powder forming machine, control the action of the driving mechanism, drive the action of the die connection mechanism and further drive the action of the die side pressing.

3. The lateral pressing mechanism of the powder forming machine according to claim 2, wherein the driving mechanism is a motor, the control mechanism is an electronic control system, the electronic control system controls the motor, and the motor drives the die connecting mechanism to realize corresponding actions of the die at the side of the female die.

4. The lateral pressing mechanism of powder forming machine according to claim 2, wherein said driving mechanism is an air cylinder, said control mechanism is a pneumatic valve, said air cylinder is operated under the control of said pneumatic valve, and said mold connecting mechanism is driven to realize the corresponding operation of said female mold lateral pressing mold.

5. The lateral pressing mechanism of the powder forming machine according to claim 2, wherein the driving mechanism is a hydraulic cylinder, the control mechanism is the hydraulic valve, the hydraulic cylinder operates under the control of the hydraulic valve, and the driving die connecting mechanism realizes the corresponding operation of the female die lateral pressing die.

6. The lateral pressing mechanism of a powder forming machine according to claim 2, wherein the driving mechanism is a manual mechanical device.

7. The side press mechanism of a powder forming machine according to claim 2, wherein said guide means includes a guide mechanism, and a part of said die interface mechanism is installed in said guide mechanism to realize that the die side press die can move only in a direction limited by said guide mechanism.

8. The side press mechanism of a powder forming machine according to claim 2, wherein said guide mechanism 4 is a guide groove provided in a guide device in a number corresponding to the number of female-side press stages, said guide groove having a radial direction from the center of said guide device to an outer edge, an opening of the outer edge of said guide groove corresponding to said die attachment mechanism, a part of said die attachment mechanism 6 and said female-side press die being mounted in said guide groove, an orientation of said guide groove defining a moving direction of said female-side press die.

9. The side pressing mechanism of a powder forming machine according to claim 2, wherein the guide means further comprises a protection mechanism for ensuring that the side pressing female molds move within a safe stroke, so as to prevent damage to the side pressing female molds of different die sets due to excessive pressure between the side pressing female molds of different die sets when the side pressing female molds of different die sets are combined into the side pressing female mold cavity.

10. A powder forming machine characterized by comprising the side pressing mechanism of the powder forming machine according to any one of claims 1 to 9.

Technical Field

The invention relates to the field of powder forming machines, in particular to an annular stop block of a powder forming machine.

Background

The powder forming machine can press parts with high precision and good finish at one time, has the characteristics of wide application range, high production efficiency and high material utilization rate, is deeply favored by enterprises, and is widely applied to pressing of various powder products such as metal, ceramic, bakelite and the like.

Most of the existing powder forming machines are used for pressing in the vertical direction, and only products as shown in figure 6 can be pressed, and holes or steps can be formed, but the holes or steps are required to be in the vertical direction. If the product has a hole (or a step) in the horizontal direction as shown in fig. 7, the product cannot be removed from the female die cavity after being pressed, so that the powder metallurgy products pressed by the existing powder forming machine have simpler structures. If the product has holes or steps in the horizontal direction, the product needs to be realized by adopting a post-processing method, the cost is high, and the efficiency is low. The product shown in fig. 7 has horizontal holes that can only be drilled and cannot be directly formed.

Therefore, those skilled in the art have been devoted to develop a side pressing mechanism for a powder forming machine, which can achieve pressing of a product having a hole or step in a horizontal direction while solving the technical problem of being unable to be released from a mold.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is that the powder forming machine cannot be demolded when pressing a product having a hole or step in the horizontal direction.

In order to achieve the purpose, the invention provides a side pressing mechanism of a powder forming machine, which comprises two or more groups of female die side pressing modules, wherein each group of female die side pressing modules comprises a driving device and a guiding device.

Wherein the content of the first and second substances,

the driving device can be provided with a female die side pressing die which is connected with the driving device and is arranged in the guiding device; the female die side pressing die can move in the guide device under the driving of the driving device so as to realize that the female die side pressing die is in the correct position in the process of pressing the powder forming product.

Further, the driving device comprises a driving mechanism, a control mechanism and a mould connection mechanism;

wherein the content of the first and second substances,

the driving mechanism can provide driving power, one end of the die connection mechanism is connected with the driving mechanism, the other end of the die connection mechanism is used for mounting a female die side pressing die, and the control mechanism can control the size of the driving power, the driving mode, the driving duration and the like; the control mechanism can receive a control signal sent from the powder forming machine, control the action of the driving mechanism, drive the action of the die connection mechanism and further drive the action of the die lateral pressing.

As a first optimization, the driving mechanism is a motor, the control mechanism is an electronic control system, the electronic control system controls the motor, and the motor drives the die connection mechanism to realize that the female die side pressing die performs corresponding actions;

preferably, the driving mechanism is an air cylinder, the control mechanism is a pneumatic valve, the air cylinder acts under the control of the pneumatic valve, and the die connection mechanism is driven to realize that the die is pressed by the side of the female die to do corresponding action;

preferably, the driving mechanism is a hydraulic cylinder, the control mechanism is a hydraulic valve, the hydraulic cylinder acts under the control of the hydraulic valve, and the mold connection mechanism is driven to realize corresponding action of the female mold side pressing mold.

The driving mechanism may be driven by a manual mechanical device or by an electromagnetic drive.

Furthermore, the guide device comprises a guide mechanism, and one part of the die connection mechanism is arranged in the guide mechanism, so that the die can be laterally pressed by the female die only to move in the direction limited by the guide mechanism.

Furthermore, the guide device also comprises a protection mechanism, the protection mechanism can ensure that the female die side pressing dies move in a safe stroke, and damage caused by overlarge pressure between the female die side pressing dies of different modules when the female die side pressing dies of different modules are combined into a female die cavity is avoided.

Preferably, the protection mechanism is a limit stop, and the limit stop is positioned in the guide mechanism and is used for stopping the movement of the female die side pressing mold and ensuring that the female die side pressing mold only moves within a safe stroke.

The invention provides a side pressing mechanism of a powder forming machine, which combines two or more female die side pressing dies into a female die cavity through two or more female die side pressing modules, wherein powder materials can be pressed and formed in the female die cavity, the female die side pressing dies can be provided with steps or holes and the like, and the holes or the steps and the like are formed on a corresponding pressed product. After the pressing forming is finished, the female die side pressing die set is separated, so that the female die side pressing die is separated from a formed product, and the technical problem that the powder metallurgy product with the side surface comprising the step or the hole cannot be demoulded is solved.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a perspective view of a side pressing mechanism of a powder forming machine according to a preferred embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a cross-sectional view of the female mold plate of FIG. 1 including;

FIG. 6 is a side non-profiled powder metallurgy product;

FIG. 7 is a powder metallurgy product with holes in the sides;

wherein, 1 is the actuating mechanism, 2 is the die side pressure mould, 3 is the product of shaping, 4 is the guiding mechanism, 5 is the die block board, 6 is the mould mechanism of plugging into, 7 die cavity, 8.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

Example 1:

as shown in fig. 1 to 5, a side pressing mechanism of a powder forming machine includes three sets of female die side pressing blocks mounted on a female die plate 5, each set of female die side pressing blocks including a corresponding driving means and a corresponding guide means.

The driving device can be provided with a female die side pressing die which is connected with the driving device and is arranged in the guiding device; the female-side pressing die 2 is movable in a guide by a driving device to achieve a correct position of the female-side pressing die during pressing of the powder formed product. When the powder forming machine is in a pressing state, three female die lateral pressing dies 2 are driven to the central position of the guide device to form a female die cavity 7 in a surrounding mode; when the pressing is completed, the three die side pressing molds 2 are driven to the peripheral position of the guide.

The driving device comprises a driving mechanism 1, a control mechanism and a mould connection mechanism 6;

the driving mechanism 1 can provide driving power, one end of the mold connection mechanism 6 is connected with the driving mechanism 1, the other end of the mold connection mechanism 6 is used for installing the female mold side pressing mold 2, and the control mechanism can control the size of the driving power, the driving mode, the driving duration and the like; the control mechanism can receive a control signal sent by the powder forming machine, control the action of the driving mechanism, drive the action of the die connection mechanism 6 and further drive the action of the female die side pressing die 2.

The driving mechanism 1 is a motor, the control mechanism is an electronic control system, the electronic control system controls the motor, and the motor drives the die connection mechanism 6 to realize that the female die side pressing die 2 performs corresponding actions;

the motor is generally a stepping motor, and has the advantages of stable driving, convenient control and the like.

The guiding device is provided with a guiding mechanism 4, a part of the die connecting mechanism 6 is arranged in the guiding mechanism 4, and the die side pressing die 2 can only move in the direction limited by the guiding mechanism 4.

The guide mechanism 4 in this embodiment is three guide grooves arranged in the guide device, the guide grooves are in radial directions from the center to the outer edge of the guide device, the openings of the outer edge of the guide grooves correspond to the mold connection mechanism 6, a part of the mold connection mechanism 6 and the female die side pressing mold 2 are arranged in the guide grooves, and the directions of the guide grooves limit the moving direction of the female die side pressing mold 2.

The guide device is further provided with a protection mechanism, the protection mechanism can ensure that the female die side pressing dies 2 move in a safe stroke, and damage caused by overlarge pressure between the female die side pressing dies 2 of different modules when the female die side pressing dies 2 of different modules are combined into a female die cavity 7 is avoided.

The protection mechanism is a limit stop which is positioned in the guide mechanism 4 and is used for stopping the movement of the female die side pressing die 2 and ensuring that the female die side pressing die 2 only moves in a safe stroke.

In this embodiment, a side pressing mechanism of a powder forming machine is realized by combining 3 side pressing molds 2 into a female mold cavity 7 through three sets of female mold side pressing modules, so that a powder material can be press-formed in the female mold cavity 7, the female mold side pressing molds 2 can have a step or hole shape, and a hole or step shape is formed in a corresponding pressed product. After the press forming is finished, the female die side pressing die set is separated, so that the female die side pressing die 2 is separated from the formed product 3, and the technical problem that the powder metallurgy product with the side surface comprising the step or the hole cannot be demoulded is solved.

Example 2

The rest is the same as the embodiment 1, wherein the driving mechanism 1 is an air cylinder, the control mechanism is a pneumatic valve, the air cylinder acts under the control of the pneumatic valve, and the mold connection 6 mechanism is driven to realize that the female mold side pressing mold 2 acts correspondingly;

example 3

The rest is the same as the embodiment 1, wherein the driving mechanism 1 is a hydraulic cylinder, the control mechanism is a hydraulic valve, the hydraulic cylinder acts under the control of the hydraulic valve, and the mold connection mechanism 6 is driven to realize that the female mold side pressing mold 2 acts correspondingly.

Example 4

A powder molding machine comprising the side press molding mechanism in embodiment 1.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.