阅读说明：本技术 一种活塞盐芯加工设备及方法 (Piston salt core processing equipment and method ) 是由 释修才 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种活塞盐芯加工设备及方法,属于活塞盐芯加工技术领域,其技术方案为：包括从上至下依次设置的上料混料单元、盐芯压制单元和烘干单元；其中,上料混料单元包括轴线相互垂直的混料机构和送料机构；所述盐芯压制单元包括第一模头和第二模头,二者在动力作用下形成挤压通道。本发明能够实现活塞盐芯的自动化生产,且原料混合均匀、废品率低、生产效率高。(The invention discloses piston salt core processing equipment and a method, which belong to the technical field of piston salt core processing, and the technical scheme is as follows: the salt core pressing device comprises a feeding and mixing unit, a salt core pressing unit and a drying unit which are sequentially arranged from top to bottom; the feeding and mixing unit comprises a mixing mechanism and a feeding mechanism, wherein the axes of the mixing mechanism and the feeding mechanism are vertical to each other; the salt core pressing unit comprises a first die head and a second die head which form an extrusion channel under the action of power. The piston salt core automatic production device can realize automatic production of the piston salt core, and has the advantages of uniform mixing of raw materials, low rejection rate and high production efficiency.)

1. The piston salt core processing equipment is characterized by comprising a feeding and mixing unit, a salt core pressing unit and a drying unit which are sequentially arranged from top to bottom;

the feeding and mixing unit comprises a mixing mechanism and a feeding mechanism, wherein the axes of the mixing mechanism and the feeding mechanism are vertical to each other; the salt core pressing unit comprises a first die head and a second die head which form an extrusion channel under the action of power.

2. The piston salt core processing equipment of claim 1, wherein the first die head and the second die head are connected by a hydraulic rod.

3. The piston salt core processing equipment according to claim 1, wherein the mixing mechanism is a screw mixer which is horizontally arranged; the upper side of the mixing mechanism is provided with a feeding port.

4. The piston salt core processing equipment as claimed in claim 3, wherein the feeding mechanism is connected to the lower side of the mixing mechanism corresponding to the position of the feeding port.

5. The piston salt core processing equipment of claim 1, wherein the feeding mechanism adopts a screw conveyor.

6. The piston salt core processing equipment as claimed in claim 1, wherein the feeding and mixing unit is provided with a drying box for drying the material and mixing the dried material with the material feeding mechanism.

7. The piston salt core processing apparatus of claim 1, further comprising a robot for removing a finished salt core.

8. The piston salt core processing equipment according to claim 1, wherein the salt core pressing unit is installed in a frame, and the feeding and mixing unit is installed at the top of the frame; the outer side is provided with a display unit.

9. The piston salt core processing equipment of claim 8, wherein the bottom of the rack is provided with an adjusting anchor.

10. A method of processing a piston salt core, using the processing apparatus of any of claims 1 to 9, comprising:

adding raw materials into a mixing mechanism through a feeding port, uniformly stirring by the mixing mechanism, and drying for a set time through a drying box;

the dried material enters a feeding mechanism and is fed into a salt core pressing unit through the feeding mechanism;

starting a hydraulic cylinder, and extruding and pressing the materials through a first die head and a second die head to form a salt core;

and after the salt core is manufactured, taking down the salt core by a robot.

Technical Field

The invention relates to the technical field of piston salt core processing, in particular to piston salt core processing equipment and a method.

Background

The piston is an important part of the engine and is related to the quality and the service life of the whole engine. The salt core is used as an important material for piston production, and the quality of the salt core directly influences the quality of the piston. In the traditional salt core manufacturing process, the raw materials are generally baked by manually mixing the materials. The manufacturing process is also that the parting agent is manually coated on the pressing mould, and the pressing mould is manually controlled to manufacture the salt core. After the salt core is manufactured, manually taking and packaging the materials. The whole process is basically manually controlled, the efficiency is extremely low, the raw materials are not uniformly mixed, the temperature is not well controlled, and unqualified products are easy to appear.

The prior art exists for automatic devices for the various process steps of salt cores, such as: the mixing device and the pressing device are low in matching degree, and the materials and finished products still need to be manually transferred.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide piston salt core processing equipment and method, which can realize automatic production of piston salt cores, and have the advantages of uniform raw material mixing, low rejection rate and high production efficiency.

In order to achieve the purpose, the invention is realized by the following technical scheme:

in a first aspect, an embodiment of the invention provides a piston salt core processing device, which comprises a feeding and mixing unit, a salt core pressing unit and a drying unit, which are sequentially arranged from top to bottom;

the feeding and mixing unit comprises a mixing mechanism and a feeding mechanism, wherein the axes of the mixing mechanism and the feeding mechanism are vertical to each other; the salt core pressing unit comprises a first die head and a second die head which form an extrusion channel under the action of power.

As a further implementation, the first die and the second die are connected by a hydraulic ram.

As a further implementation mode, the material mixing mechanism adopts a spiral material mixer which is horizontally arranged; the upper side of the mixing mechanism is provided with a feeding port.

As a further implementation mode, the feeding mechanism is connected to the lower side of the mixing mechanism and corresponds to the position of the feeding port.

As a further implementation, the feeding mechanism employs a screw conveyor.

As a further implementation mode, the feeding and mixing unit is provided with a drying box for drying the materials and mixing the materials by the mixing mechanism and the feeding mechanism.

As a further implementation manner, the salt core taking machine further comprises a robot, wherein the robot is used for taking out the salt core which is completely made.

As a further implementation manner, the salt core pressing unit is installed in the frame, and the feeding and mixing unit is installed at the top of the frame; the outer side is provided with a display unit.

As a further implementation mode, the bottom of the rack is provided with an adjusting ground foot.

In a second aspect, an embodiment of the present invention further provides a method for processing a salt core of a piston, where the processing apparatus is adopted, and the method includes:

adding raw materials into a material mixing mechanism through a material inlet, uniformly stirring by the material mixing mechanism, and drying by a drying box for set time and temperature, wherein the drying time 2 is 90 min-100 min, and the drying temperature is 90-110 ℃;

the dried material enters a feeding mechanism and is fed into a salt core pressing unit through the feeding mechanism;

and after the salt core is manufactured, taking down the salt core by a robot.

The invention has the following beneficial effects:

(1) the material mixing mechanism and the feeding mechanism are perpendicular to each other, and the material mixing mechanism adopts spiral conveying, so that the material mixing is uniform, and the material is not easy to block; the mixed materials are conveyed through the feeding mechanism, and the uniformity of the materials can be further ensured.

(2) The first die head and the second die head are driven by hydraulic pressure, so that the pressure required for manufacturing the salt core can be ensured; and the first die head and the second die head are made of special die materials according to the shape of the salt core, so that the strength and the service life can be guaranteed, the smooth surface of the manufactured salt core can be guaranteed, and the quality defect is avoided.

(3) The drying unit can keep constant temperature, and uniformly heats the salt core mould, so that the manufactured salt core is uniformly heated, and the rejection rate is greatly reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic overall structure diagram of the present invention according to one or more embodiments;

FIG. 2 is a schematic diagram of a feed mixing unit configuration according to one or more embodiments of the present disclosure;

FIG. 3 is a schematic representation of a salt core press unit according to one or more embodiments of the present disclosure;

FIG. 4 is a schematic diagram of a robot configuration according to one or more embodiments of the present disclosure;

the device comprises a frame 1, a frame 2, a feeding and mixing unit 3, a salt core pressing unit 4, a drying unit 5, a display unit 6, a robot 7, a feeding port 8, a mixing mechanism 9, a feeding mechanism 10, a hydraulic cylinder 11, a first die head 12, a second die head 13, a mechanical arm 14, a clamp 15 and a guide pillar.

Detailed Description

The first embodiment is as follows:

the embodiment provides a piston salt core processing device, as shown in fig. 1, which comprises a feeding and mixing unit 2, a salt core pressing unit 3 and a drying unit 4, wherein the salt core pressing unit 3 is installed in a frame 1, and the feeding and mixing unit 2 is fixed at the top of the frame 1 and is positioned above the salt core pressing unit 3; the drying unit 4 is positioned below the salt core pressing unit 3; the automatic production of the piston salt core is realized through the combination of all units.

Further, as shown in fig. 2, the feeding and mixing unit 2 includes a mixing mechanism 8 and a feeding mechanism 9, the mixing mechanism 8 is horizontally disposed, a feeding port 7 is disposed at the top of the mixing mechanism, and a piston salt core raw material is added through the feeding port 7. The feeding mechanism 9 is vertically arranged at the bottom of the mixing mechanism 8, and the feeding mechanism is connected to the lower side of the mixing mechanism 8 and corresponds to the position of the feeding port 7.

In this embodiment, the material mixing mechanism 8 is a spiral material mixing mechanism, which not only can ensure uniform material mixing, but also is not easy to block, and can ensure the production beat; after being fully mixed and stirred, the materials enter a feeding mechanism 9 through a blanking port; the blanking opening can be opened or closed.

The feeding and mixing unit 2 is also provided with a drying box, the drying box adjusts the drying temperature and the drying time through a control unit, and the mixed materials are dried under the action of the drying box; the dried materials are mixed by a material mixing mechanism 8 and a feeding mechanism 9. The position of the drying box can be set according to actual requirements, for example, at the material inlet 7.

Further, the feeding mechanism 9 adopts a spiral feeder, one end of the spiral feeder is connected with the mixing mechanism 8 through a blanking port, the other end of the spiral feeder is connected with the salt core pressing unit 3, the spiral conveying of the materials which are uniformly mixed is realized through the feeding mechanism 9, and the uniformity of the materials is further ensured.

Further, as shown in fig. 3, the salt core pressing unit 3 includes a first die 11 and a second die 12, which form a pressing channel up and down along a guide pillar under the power of a hydraulic cylinder 10. In this embodiment, the first die head 11 is located above the second die head 12, the two are arranged in a center, two sides of the two are provided with vertical guide pillars 15, and the first die head 11 is connected with the guide pillars 15 in a sliding manner; the first die head 11 and the second die head 12 are matched through a guide post 15, the first die head 11 moves up and down along the guide post under the action of the hydraulic cylinder 10, and the uniformly mixed materials are extruded with the second die head 12.

In this embodiment, the first die head 11 and the second die head 12 are made of SKD11 die steel according to the shape of the salt core, so that not only the strength and the service life can be ensured, but also the smooth surface of the salt core can be ensured without quality defects.

In the extrusion forming process, further drying is needed, the drying unit 4 is arranged at the bottom of the salt core pressing unit 3, and the salt core after pressing is heated through the drying unit 4, so that the finished piston salt core is obtained. The drying unit 4 can keep constant temperature, and evenly heats the salt core mould, so that the salt core for manufacturing is evenly heated, and the rejection rate is greatly reduced. In this embodiment, the drying unit 4 is an existing drying box.

The embodiment further comprises an automatic blanking unit, wherein the automatic blanking unit adopts a robot 6, the robot 6 comprises a mechanical arm 13 and a clamp 14 mounted at the tail end of the mechanical arm 13, and the salt core which is manufactured is taken out through the clamp 14. The clamp 14 is made of SKD11 die steel, so that the stability of clamping the salt core can be ensured, and the salt core cannot be collided.

Further, a display unit 5 is installed on the outer side of the rack 1, the display unit 5 is a display screen, and salt core processing parameters are observed through the display screen. And the bottom of the frame 1 is provided with an adjusting ground foot to adjust the keeping level of the equipment. An operating button is arranged on the lower side of the display unit 5, the operating button comprises an emergency stop button, and when equipment fails, the alarm lamp automatically gives an alarm, and emergency stop can be carried out by adopting the emergency stop button.

The frame 1 of the embodiment is made of a profile by welding, and a protective cover and an access door are arranged at the position of the frame 1 corresponding to the salt core pressing unit 3.

Example two:

the embodiment provides a method for processing a salt core of a piston, which adopts the processing equipment of the embodiment I and comprises the following steps:

adding raw materials into a material mixing mechanism 8 through a material inlet 7, uniformly stirring the raw materials by the material mixing mechanism 8, and drying the raw materials for a set time through a drying box; wherein the drying time is 90 min-100 min, and the drying temperature is 90-110 ℃.

The dried material enters the feeding mechanism 9 and is fed into the salt core pressing unit 3 through the feeding mechanism 9.

Starting a hydraulic cylinder 10, and extruding the pressed material through a first die head 11 and a second die head 12 to form a salt core;

after the salt core is manufactured, the salt core is taken down by a robot 6.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.