WO2020252603A1

WO2020252603A1 - Quick-change-type double-layer-piston three-dimensional cooled air cylinder

Info

Publication number: WO2020252603A1
Application number: PCT/CN2019/000206
Authority: WO
Inventors: 徐文明; 严杰
Original assignee: 苏州好特斯模具有限公司
Priority date: 2019-06-18
Filing date: 2019-11-04
Publication date: 2020-12-24
Also published as: CN110219797A

Abstract

Disclosed is a quick-change-type double-layer-piston three-dimensional cooled air cylinder, comprising an air cylinder top cover (1) and an upper-layer piston (2). The upper-layer piston (2) is arranged in the interior below the air cylinder top cover (1), a partition plate (3) is arranged below the upper-layer piston (2), a piston connection screw (4) is inserted in the partition plate (3) at the middle position, a lower-layer piston (5) is arranged below the partition plate (3), an air cylinder bottom cover (6) is arranged at an outer end of the bottom of the lower-layer piston (5), an air cylinder rotary fixing plate assembly (7) is arranged at the bottom of the air cylinder bottom cover (6), air cylinder fixing screws (202) are arranged at four corners of the bottom of the air cylinder rotary fixing plate assembly (7), air cylinder fixing plate fixing screws (201) are circumferentially arranged at the middle of the air cylinder rotary fixing plate assembly (7), outer walls of the left sides and right sides of the air cylinder top cover (1) and the air cylinder bottom cover (6) are respectively provided with water path inlet/outlet connection ports (203) and air path inlet/outlet connection ports (204), an air cylinder top cover water path structure (205) is inserted in the air cylinder top cover (1), and an air cylinder bottom cover water path structure (206) is inserted in the air cylinder bottom cover (6). The air cylinder has a compact structure and a small size, and is easy to mount and dismount, air cylinder top cover water paths and bottom cover water paths internally communicate to form a three-dimensional water cooling circulation system, a water path cooling plate is omitted, the height of a cylinder body is reduced, the optimal angle of a cylinder body assembly can be selected from a range of 360 degrees according to a mold structure and a hot nozzle, and angle adjustment is convenient and rapid.

Description

Quick-change double-layer piston three-dimensional cooling cylinder

Technical field

The invention belongs to the technical field of cylinders, and specifically relates to a quick-change double-piston three-dimensional cooling cylinder.

Background technique

The cylinder is a cylindrical metal part that guides the piston to reciprocate linearly in the cylinder. Air in the engine cylinder converts thermal energy into mechanical energy through expansion; the gas is compressed by the piston in the compressor cylinder to increase the pressure.

The existing cylinder technology has the following problems:

1. The cylinder body of the cylinder is large, occupying the mold space, and the entry point distance is required to be large. It is not suitable for small products or products with close entry points; 2. Only the bottom of the cylinder body has a cooling water plate, and the other five surfaces are still The heat radiation causes the cylinder body temperature to be too high, which affects the life of the cylinder; 3. The angle of the cylinder is inconvenient to adjust when installing, which leads to the wide position of the splitter plate, the heavier splitter plate, large heat loss, and low thermal efficiency. .

Summary of the invention

The purpose of the present invention is to provide a quick-change double-piston three-dimensional cooling cylinder to solve the above-mentioned background art. 1. The cylinder has a large cylinder body, which occupies mold space and requires a large entry point distance, which is not suitable for small products or entry Products with a closer distance; 2. Only the bottom of the cylinder body has a cooling water plate, and the other five surfaces will still be exposed to heat, which will cause the cylinder body temperature to be too high and affect the life of the cylinder; 3. The angle of the cylinder is not convenient to adjust when installing. The position of the splitter plate is wider, the splitter plate is heavier, the heat loss is large, and the thermal efficiency is not high.

In order to achieve the above objectives, the present invention provides the following technical solutions:

The quick-change double-piston three-dimensional cooling cylinder includes a cylinder top cover and an upper layer piston. An upper layer piston is arranged inside the cylinder head cover, a partition plate is arranged below the upper layer piston, and the inner middle position of the partition plate A piston connecting screw is inserted at the position, a lower layer piston is arranged under the partition plate, a cylinder bottom cover is arranged at the bottom outer end of the lower layer piston, and a cylinder rotation fixing plate assembly is arranged on the bottom of the cylinder bottom cover. Cylinder fixing screws are arranged at the bottom four corners of the cylinder rotating and fixing plate assembly, and cylinder fixing plate fixing screws are arranged at the central circumferential position of the cylinder rotating fixing plate assembly. The outer walls of the left and right sides of the cylinder top cover and the cylinder bottom cover are respectively A water inlet and outlet interface and a gas inlet and outlet interface are provided, the cylinder top cover is plugged into the cylinder top cover water path structure, and the cylinder bottom cover is plugged into the cylinder bottom cover water path structure.

Preferably, the water inlet and outlet ports and the air inlet and outlet ports are respectively provided with two, and the water inlet and outlet ports and the air inlet and outlet ports are equally distributed on the outer walls of the left and right sides of the cylinder top cover and the cylinder bottom cover.

Preferably, the water inlet and outlet ports are in a connected state with the water path structure of the cylinder head cover and the water path structure of the cylinder bottom cover.

Preferably, a circular fixing plate is arranged in the middle of the cylinder rotation fixing plate assembly and is fixed on the shunt plate with four screws, and the square fixing plate on the periphery of the cylinder rotation fixing plate assembly is fixed to the cylinder block.

Preferably, the cylinder top cover and the cylinder bottom cover have a snap-fit structure.

Preferably, the space between the cylinder head cover and the partition is a layer of working cavity.

Preferably, the space between the cylinder bottom cover and the partition is a two-layer working cavity.

Compared with the prior art, the present invention provides a quick-change double-piston three-dimensional cooling cylinder with the following

Benefits:

1. In the present invention, because the upper top cover and the lower bottom cover adopt a snap-fit structure, the upper half of the center partition is matched with the cylinder top cover to form the first layer of working cavity, and the lower half of the center partition is used with the cylinder The bottom cover cooperates to form the second layer of working cavity. At the same time, the middle partition is used as the positioning part of the upper and lower covers. The two cylinders are buckled into a whole, compact structure, small volume, easy to install and disassemble, and high efficiency ；

2. In the present invention, water passages are arranged on the top cover and bottom cover of the cylinder, and the water passages of the top cover and the bottom cover are connected from the inside to form a three-dimensional water cooling circulation system, eliminating the original water passage cooling plate, reducing the height of the cylinder and cooling efficiency High, the sealing system can work below the normal working temperature, the sealing system has stable performance and long life;

3. The present invention adopts the 360-degree rotation positioning function of the cylinder block assembly. The circular fixing plate in the middle of the cylinder rotation fixing plate assembly is fixed on the shunt plate with four screws, and the square fixing plate on the periphery of the assembly is fixed to the cylinder block. The screw position of the circular fixing plate can be fixed parallel to the center line of the manifold. When the cylinder needs to adjust the direction, only the cylinder body can be rotated. The circular fixing plate does not need to be rotated. In this way, the width of the manifold can be reduced and the manifold can be more compact and compact. , The cylinder assembly can select the optimal angle according to the mold structure and the appearance of the hot nozzle within 360 degrees. The adjustment is very convenient and fast, which solves the problems of complex installation and low work efficiency.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the accompanying drawings:

Figure 1 is a schematic diagram of the structure of the quick-change double-piston three-dimensional cooling cylinder proposed by the present invention;

Figure 2 is a schematic diagram of the three-dimensional structure proposed by the present invention;

Figure 3 is a schematic diagram of the bottom structure proposed by the present invention;

4 is a schematic diagram of the left-side structure proposed by the present invention;

Figure 5 is a schematic diagram of the left side cross-sectional structure proposed by the present invention;

Fig. 6 is a schematic diagram of the right cross-sectional structure proposed by the present invention;

In the picture: 1. Cylinder top cover; 2. Upper piston; 3. Diaphragm; 4. Piston connecting screw; 5. Lower piston; 6. Cylinder bottom cover; 7. Cylinder rotating and fixing plate assembly; 201. Cylinder fixing plate fixing Screws; 202, cylinder fixing screws; 203, water inlet and outlet ports; 204, air inlet and outlet ports; 205, cylinder top cover water path structure; 206, cylinder bottom cover water path structure.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" The orientation or positional relationship of other indications is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation and The azimuth structure and operation cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood in specific situations.

Please refer to Figures 1-6, the present invention provides a technical solution:

The quick-change double-piston three-dimensional cooling cylinder includes a cylinder head cover 1 and an upper piston 2. An upper piston 2 is arranged under the cylinder head cover 1, a partition 3 is arranged under the upper piston 2, and an inner middle of the partition 3 A piston connecting screw 4 is inserted at the position, a lower piston 5 is arranged under the partition 3, the space between the cylinder head 1 and the partition 3 is a layer of working cavity, and the bottom outer end of the lower piston 5 is provided with a cylinder bottom The cover 6, the cylinder top cover 1 and the cylinder bottom cover 6 are snap-fit structures, the space between the cylinder bottom cover 6 and the partition 3 is a two-layer working cavity, and the upper top cover and the lower bottom cover are used to buckle the structure, using the partition The upper half of the plate 3 cooperates with the cylinder head cover 1 to form a first layer of working cavity. The lower half of the middle partition 3 is matched with the cylinder bottom cover 6 to form a second layer of working cavity. At the same time, the middle partition 3 As the positioning parts of the upper and lower covers, the two cylinders are buckled into a whole, with compact structure, small volume, easy installation and disassembly, and high efficiency. The bottom of the cylinder bottom cover 6 is provided with a cylinder rotating and fixing plate assembly 7. The cylinder assembly can be rotated 360 degrees for positioning.

Quick-change double-piston three-dimensional cooling cylinder, including the cylinder rotating fixed plate assembly 7, the round fixed plate in the middle is fixed to the manifold with 4 screws, and the square fixed plate on the periphery of the assembly is fixed to the cylinder block, due to the round fixed plate The screw position can be fixed parallel to the center line of the manifold. When the cylinder needs to adjust the direction, only the cylinder body can be rotated. The circular fixed plate does not need to be rotated. In this way, the width of the manifold can be reduced, and the manifold can be more compact and compact. The optimal angle can be selected according to the mold structure and the appearance of the hot nozzle in the range of 360 degrees. The adjustment is very convenient and fast, which solves the problems of complicated installation and low work efficiency. The cylinder rotating fixed plate assembly 7 is provided with a circular fixed plate in the middle and adopts Four screws are fixed on the manifold, and the square fixing plate on the periphery of the cylinder rotation fixing plate assembly 7 is fixed to the cylinder block. The bottom four corners of the cylinder rotation fixing plate assembly 7 are provided with cylinder fixing screws 202, and the cylinder rotation fixing plate The cylinder fixing plate fixing screw 201 is arranged at the central circumferential position of the assembly 7, the left and right outer walls of the cylinder top cover 1 and the cylinder bottom cover 6 are respectively provided with a water inlet and outlet interface 203 and an air inlet and outlet interface 204, a water inlet and outlet interface 203 and an air path Two inlet and outlet ports 204 are respectively provided, and the water inlet and outlet ports 203 and the air inlet and outlet ports 204 are equally distributed on the outer walls of the left and right sides of the cylinder top cover 1 and the cylinder bottom cover 6. The cylinder top cover 1 is inserted inside the cylinder top cover Waterway structure 205, the cylinder bottom cover 6 is plugged into the cylinder bottom cover waterway structure 206, the waterway inlet and outlet interface 203 is in communication with the cylinder top cover waterway structure 205 and the cylinder bottom head waterway structure 206, the cylinder top head 1 and the cylinder bottom cover 6 are arranged with water channels, the top cover and the bottom cover are connected from the inside to form a three-dimensional water cooling cycle system, the original water cooling plate is eliminated, the height of the cylinder is reduced, the cooling efficiency is high, and the sealing system can work at normal operating temperature Below, the sealing system has stable performance and long life.

The working principle and use process of the present invention: After the present invention is installed, due to the buckling structure of the upper top cover and the lower bottom cover, the upper half of the middle partition 3 is used to cooperate with the cylinder top cover 1 to form the first layer of working cavity , The lower half of the middle partition 3 is matched with the cylinder bottom cover 6 to form a second layer of working cavity. At the same time, the middle partition 3 is used as a positioning part for the upper and lower covers to buckle the two cylinders into a whole. Compact structure, small size, easy to install and disassemble, high efficiency; cylinder top cover 1 and bottom cover are arranged with water channels, the top cover and bottom cover water channels are connected from the inside, forming a three-dimensional water cooling circulation system, canceling the original water circuit The cooling plate reduces the height of the cylinder block and has high cooling efficiency. The sealing system can work below the normal operating temperature. The sealing system has stable performance and long life. The cylinder block assembly can be used for 360-degree rotation positioning function. The cylinder rotation fixed plate assembly 7 is in the middle The round fixing plate is fixed on the manifold with four screws. The square fixing plate on the periphery of the component is fixed to the cylinder block. Since the screw position of the round fixing plate can be fixed parallel to the center line of the manifold, the cylinder only rotates when it needs to adjust the direction. The cylinder block is sufficient, and the circular fixed plate does not need to be rotated. In this way, the width of the manifold can be reduced, and the manifold can be more compact and compact. The cylinder assembly can choose the most optimized angle according to the mold structure and the appearance of the hot nozzle within 360 degrees. The adjustment is very convenient and fast, which solves the problems of complicated installation and low work efficiency.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art:

2. In the present invention, water passages are arranged on the top cover and bottom cover of the cylinder. The water passages of the top cover and the bottom cover are connected from the inside to form a three-dimensional water cooling circulation system, eliminating the original water passage cooling plate, reducing the height of the cylinder and cooling efficiency. High, the sealing system can work below the normal working temperature, the sealing system has stable performance and long life;

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those familiar with the technology to understand the content of the present invention and implement it, and cannot limit the scope of protection of the present invention. All equivalent changes or modifications made by the substance shall be covered by the protection scope of the present invention.

Claims

The quick-change double-piston three-dimensional cooling cylinder includes a cylinder head cover (1) and an upper piston (2), and is characterized in that: an upper piston (2) is arranged inside the cylinder head cover (1), and the upper layer A partition (3) is provided below the piston (2), a piston connecting screw (4) is inserted in the middle of the partition (3), and a lower piston (4) is inserted under the partition (3). 5) The bottom outer end of the lower piston (5) is provided with a cylinder bottom cover (6), the bottom of the cylinder bottom cover (6) is provided with a cylinder rotation fixing plate assembly (7), the cylinder rotation fixing plate Cylinder fixing screws (202) are arranged at the bottom four corners of the assembly (7), and cylinder fixing plate fixing screws (201) are arranged at the central circumferential position of the cylinder rotating fixing plate assembly (7), the cylinder top cover (1) A water inlet and outlet interface (203) and an air inlet and outlet interface (204) are respectively provided on the left and right outer walls of the cylinder bottom cover (6), and the cylinder head cover (1) is plugged into the cylinder top cover water path structure (205). ), the cylinder bottom cover (6) is inserted into the cylinder bottom cover waterway structure (206).
The quick-change double-layer piston three-dimensional cooling cylinder according to claim 1, wherein the water inlet and outlet ports (203) and the gas inlet and outlet ports (204) are respectively provided with two, and the water inlet and outlet ports (203) and the gas The access ports (204) are evenly distributed on the outer walls of the left and right sides of the cylinder top cover (1) and the cylinder bottom cover (6).
The quick-change double-layer piston three-dimensional cooling cylinder according to claim 1, wherein the water inlet and outlet ports (203) are in a connected state with the cylinder top cover water path structure (205) and the cylinder bottom cover water path structure (206) .
The quick-change double-piston three-dimensional cooling cylinder according to claim 1, characterized in that: the cylinder rotating fixed plate assembly (7) is provided with a circular fixed plate in the middle and is fixed on the shunt plate by four screws, and The square fixed plate on the periphery of the cylinder rotating fixed plate assembly (7) is fixed with the cylinder block.
The quick-change double-piston three-dimensional cooling cylinder according to claim 1, wherein the cylinder top cover (1) and the cylinder bottom cover (6) have a snap-fit structure.
The quick-change double-piston three-dimensional cooling cylinder according to claim 1, wherein the space between the cylinder top cover (1) and the partition plate (3) is a layer of working cavity.
The quick-change double-piston three-dimensional cooling cylinder according to claim 1, wherein the space between the cylinder bottom cover (6) and the partition plate (3) is a two-layer working cavity.