Automatic mold cleaning device and process thereof

Abstract

The invention relates to the technical field of automatic mold cleaning, and discloses an automatic mold cleaning device and process, the automatic mold cleaning device comprises a PLC console, and a surface identification mechanism and mold cleaning equipment electrically connected with the PLC console; the surface recognition mechanism comprises a camera, the camera is used for automatically obtaining three-dimensional image data of a mold forming surface, and the PLC console is used for automatically adjusting the cleaning position and the working power of the mold cleaning equipment according to the three-dimensional image data, obtained by the surface recognition mechanism, of the mold forming surface; the mold cleaning equipment comprises a cleaning assembly and mechanical claws used for controlling and adjusting the cleaning position of the cleaning assembly, and the PLC console is used for controlling starting and stopping of the cleaning assembly. According to the mold cleaning device, automation of mold cleaning is achieved, the production cost and the time cost are saved, the use cost of mold cleaning is reduced, meanwhile, mold scraping or deformation caused by a manual cleaning mode can be avoided, and the yield of mold production is increased.

Description

Technical Field

[0001] The present application relates to the technical field of mold cleaning, and in particular to an automatic mold cleaning device and a process thereof. Background Art

[0002] The injection mold consists of a movable mold and a fixed mold. The movable mold is installed on the movable mold plate of the injection molding machine, and the fixed mold is installed on the fixed mold plate of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a pouring system and a cavity. When the mold is opened, the movable mold and the fixed mold are separated to take out the plastic product.

[0003] In the actual production process of injection molds, some mold surfaces will have residual glue or other impurities. At present, the mold cleaning process still mainly adopts manual cleaning, which is not automated enough, and manual cleaning is extremely labor-intensive and time-consuming, thus increasing the production cost and production time of a single mold. In addition, manual cleaning can cause scratches and deformation of the mold, thereby reducing the qualified rate of mold production. Summary of the invention

[0004] In order to solve the problem that the existing mold cleaning process still mainly adopts manual cleaning, the degree of automation is insufficient, and manual cleaning is extremely consuming manpower and material resources, and takes a long time of production, thereby increasing the production cost and production time of a single mold, in addition, the manual cleaning method will cause scratches, deformation and other phenomena on the mold, thereby reducing the mold production qualification rate, the present application provides an automatic mold cleaning device and a process thereof.

[0005] The automatic mold cleaning device and process provided in this application adopt the following technical solutions:

[0006] An automatic mold cleaning device, comprising a PLC console, and a surface identification mechanism and mold cleaning equipment electrically connected to the PLC console;

[0007] The surface identification mechanism includes a camera, the camera is used to automatically obtain three-dimensional image data of the mold forming surface, and the PLC console is used to automatically adjust the cleaning position and working power of the mold cleaning device according to the three-dimensional image data of the mold forming surface obtained by the surface identification mechanism;

[0008] The mold cleaning equipment includes a cleaning component and mechanical claws used to control and adjust the cleaning position of the cleaning component. The PLC console is used to control the opening and closing of the cleaning component and control the cleaning component to work in coordination.

[0009] Preferably, the PLC console is pre-set with three-dimensional image data of the molding surface of the mold after cleaning as a comparison reference.

[0010] Preferably, the cleaning component cleans the mold by flushing in combination with laser pulses and high-pressure nitrogen.

[0011] Automatic mold cleaning process, the cleaning process steps are as follows:

[0012] Step 1: First, the produced mold is placed on the production line for automatic transportation. It first passes through the surface identification mechanism, and the mold surface is automatically identified by the camera to obtain the three-dimensional image data of the mold molding surface, and the obtained data is sent to the PLC console;

[0013] Step 2: After the PLC console obtains the data, it will automatically compare it with the three-dimensional image data of the benchmark mold molding surface after the cleaning is completed, which is preset internally. If the data can reach the benchmark, it is judged as qualified, and the mold will continue to be transported to the next process;

[0014] Step 3: If the data does not meet the benchmark, it is judged as unqualified. The PLC console immediately controls the production line to stop and the mold cleaning equipment to start. The three-dimensional image data provided by the surface identification mechanism is used to automatically adjust the working power of the mold cleaning equipment and control the mechanical claw to adjust the cleaning position to achieve the purpose of comprehensive cleaning. After the three-dimensional image data of the mold forming surface after cleaning reaches the benchmark, the production line is started again to continue to transport the mold to the next process.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The automatic mold cleaning device and process thereof, during the process of mold processing and conveying, uses a camera to obtain three-dimensional image data of the mold forming surface, and determines whether the mold needs to be cleaned based on the obtained image data. During cleaning, the working power and cleaning position of the mold cleaning device can be automatically adjusted according to the three-dimensional image data of the mold forming surface obtained in advance. The mold is cleaned by a flushing method combining laser pulses and high-pressure nitrogen. The two work together to achieve the purpose of automatically and comprehensively cleaning the mold, realize the automation of mold cleaning, save production cost and time cost, and reduce the cost of using the mold for cleaning. At the same time, it can avoid manual cleaning methods that may cause scratches or deformation of the mold, thereby improving the qualified rate of mold production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the automatic mold cleaning device of the present invention;

[0018] Figure 2 The figure is a flow chart of the automatic mold cleaning process of the present invention.

[0019] Explanation of the accompanying drawings: 1. Camera; 2. Laser pulse equipment; 3. High-pressure nitrogen equipment; 5. Mechanical claw; 6. Production line. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1 to Figure 2 , the present invention provides the following embodiments:

[0022] Embodiment 1:

[0023] An automatic mold cleaning device includes a PLC console, a surface identification mechanism electrically connected to the PLC console, and a mold cleaning device;

[0024] The surface identification mechanism includes a camera 1, the camera 1 is used to automatically obtain three-dimensional image data of the mold forming surface, and the PLC console is used to automatically adjust the cleaning position and working power of the mold cleaning device according to the three-dimensional image data of the mold forming surface obtained by the surface identification mechanism;

[0025] The mold cleaning device comprises a cleaning component and mechanical claws 5 respectively used for controlling and adjusting the cleaning position of the cleaning component. The PLC console is used for controlling the opening and closing of the cleaning component and controlling the cleaning component to work in coordination.

[0026] During operation, the produced mold is placed on the production line 6, and the mold will first reach the bottom of the surface identification mechanism, and the camera 1 will automatically identify the mold surface below, so as to obtain the three-dimensional image data of the mold forming surface, and send the information to the PLC console, and the PLC console will automatically compare the obtained information with the three-dimensional image data of the internal reference mold forming surface. If the data can reach the benchmark, there is no need to clean the mold. If the data cannot reach the benchmark, the production line 6 is immediately stopped, and the mold cleaning equipment is controlled to start working. The mold is cleaned by a flushing method combining laser pulses and high-pressure nitrogen, thereby improving the cleaning effect, and the three-dimensional image data provided by the camera 1 is used to automatically adjust the cleaning position and working power of the mold cleaning equipment, so that the mold cleaning is more thorough; it should be noted that a controller is installed inside the PLC console, and the controller can use an existing STM32 microcontroller.

[0027] The PLC console has pre-set three-dimensional image data of the mold molding surface after cleaning as a comparison reference.

[0028] The cleaning component uses a laser pulse device 2 combined with a high-pressure nitrogen device 3 to clean the mold.

[0029] Embodiment 2:

[0030] This embodiment provides an automatic mold cleaning process, which is used in the automatic mold cleaning device in Embodiment 1. The cleaning process steps are as follows:

[0031] Step 1: First, the produced mold is placed on the production line 6 for automatic transportation, and first passes through the surface identification mechanism, and the mold surface is automatically identified by the camera 1 to obtain the three-dimensional image data of the mold molding surface, and the obtained data is sent to the PLC console;

[0032] Step 2: After the PLC console obtains the data, it will automatically compare it with the three-dimensional image data of the benchmark mold molding surface after the cleaning is completed, which is preset internally. If the data can reach the benchmark, it is judged as qualified, and the mold will continue to be transported to the next process;

[0033] Step 3: If the data does not meet the benchmark, it is judged as unqualified. The PLC console immediately controls the production line to stop and controls the start of the mold cleaning equipment. It automatically adjusts the working power of the mold cleaning equipment through the three-dimensional image data provided by the surface identification mechanism, and controls the mechanical claw 5 to adjust the cleaning position to achieve the purpose of comprehensive cleaning. After the three-dimensional image data of the mold forming surface after cleaning reaches the benchmark, the production line 6 is started to continue to transport the mold to the next process.

[0034] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0035] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0036] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0037] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. Automatic mold cleaning device, characterized by: It includes a PLC console, and a surface identification mechanism and a mold cleaning device electrically connected to the PLC console; The surface identification mechanism comprises a camera (1), the camera (1) being used to automatically acquire three-dimensional image data of the mold forming surface, and the PLC console being used to automatically adjust the cleaning position and working power of the mold cleaning device according to the three-dimensional image data of the mold forming surface acquired by the surface identification mechanism; The mold cleaning device comprises a cleaning component and mechanical claws (5) respectively used for controlling and adjusting the cleaning position of the cleaning component. The PLC console is used for controlling the opening and closing of the cleaning component and controlling the cleaning component to work in coordination.

2. The automatic mold cleaning device according to claim 1, characterized in that: The PLC console is pre-set with three-dimensional image data of the mold forming surface after cleaning as a comparison reference.

3. The automatic mold cleaning device according to claim 2, characterized in that: The cleaning component uses a laser pulse device (2) combined with a high-pressure nitrogen device (3) to clean the mold.

4. Automatic mold cleaning process, characterized by: The automatic mold cleaning device according to any one of claims 1 to 3 is included, and the cleaning process steps are as follows: Step 1: First, the produced mold is placed on the production line (6) for automatic transportation, and first passes through the surface identification mechanism, and the mold surface is automatically identified by the camera (1), and the three-dimensional image data of the mold molding surface is obtained, and the obtained data is sent to the PLC console; Step 2: After the PLC console obtains the data, it will automatically compare it with the three-dimensional image data of the benchmark mold molding surface after the cleaning is completed, which is preset internally. If the data can reach the benchmark, it is judged as qualified, and the mold will continue to be transported to the next process; Step 3: If the data does not meet the benchmark, it is judged as unqualified. The PLC console immediately controls the production line to stop and controls the start of the mold cleaning equipment. It automatically adjusts the working power of the mold cleaning equipment through the three-dimensional image data provided by the surface identification mechanism, and controls the mechanical claw (5) to adjust the cleaning position to achieve the purpose of comprehensive cleaning. After the three-dimensional image data of the mold molding surface after cleaning reaches the benchmark, the production line is started (6) to continue to transport the mold to the next process.

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