Injection molding safety production system based on machine vision

Abstract

The invention discloses an injection molding safety production system based on machine vision, and relates to the technical field of injection molding, the injection molding safety production system comprises a modeling import module, an insert pick-and-place module, an image acquisition module, a calculation matching module and an adjustment module, the modeling import module is in data connection with the calculation matching module, the image acquisition module is also in data connection with the calculation matching module, and the adjustment module is in data connection with the insert pick-and-place module. The adjusting module is in signal connection with the insert taking and placing module, the modeling importing module is used for establishing a position model of an insert pre-placed in a mold, establishing a preset model and importing the preset model into the system, and the insert taking and placing module is used for grabbing the insert and placing the insert into the mold; the image acquisition module is used for carrying out image acquisition on the placed insert and the interior of the mold and converting the acquired image into a 3D model, and the device has the advantages that the position of the insert can be automatically placed and adjusted, so that the insert is accurately placed, damage caused during processing and production is avoided, and the device is convenient for people to use.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding, and in particular to an injection molding safety production system based on machine vision. Background Art

[0002] Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding and die casting.

[0003] In the plastic injection molding process in the workshop, many safety accidents often occur due to the imperfect management of the production system, and it is easy to cause waste and mold damage caused by residual parts or incorrect insert positioning. For this reason, we propose an injection molding safety production system based on machine vision. Summary of the invention

[0004] The purpose of the present invention is to provide an injection molding safety production system based on machine vision.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an injection molding safety production system based on machine vision, comprising a modeling import module, an insert placement module, an image acquisition module, a calculation matching module and an adjustment module, wherein the modeling import module is data-connected to the calculation matching module, the image acquisition module is also data-connected to the calculation matching module, the adjustment module is signal-connected to the insert placement module, the modeling import module is used to establish a position model of the insert pre-placed inside the mold, establish a preset model and import it into the system, the insert placement module is used to grab the insert and place it into the mold, the image acquisition module is used to capture images of the inserted insert and the inside of the mold and convert the captured images into a 3D model, the calculation matching module is used to match and compare the preset insert placement model with the captured and converted 3D model, calculate the degree of completion of the 3D model to the preset model, the adjustment module adjusts the insert position by operating the insert placement module, and repeats the calculation matching until it is completely matched.

[0006] As a further solution of the present invention: the modeling import module includes a preset model construction unit and a preset model import unit, the preset model construction unit is used to establish a model of the insert pre-placed in the mold, and the preset model import unit is used to send the established preset model to the calculation matching module.

[0007] As a further solution of the present invention: the insert picking and placing module includes a grabbing unit and a moving unit, the grabbing unit is used to grab the insert, and the moving unit is used to move the grabbing unit and the insert to place the insert at a specified position in the mold.

[0008] As a further solution of the present invention: the grabbing unit adopts mechanical grabbing, and the moving unit can move in multiple directions.

[0009] As a further solution of the present invention: the image acquisition module includes an image acquisition unit and a 3D model construction unit. The image acquisition unit is used to acquire images of inserts in the mold. The 3D model construction unit can convert the acquired images into a 3D model and import the 3D model into the calculation matching module.

[0010] As a further solution of the present invention: the image acquisition unit adopts an acquisition camera, and the acquisition camera can capture and acquire images of the insert from multiple directions.

[0011] As a further solution of the present invention: the calculation matching module includes a model import unit and a model matching unit, the model import unit is used to receive and import the preset model and the converted 3D model, and the model matching unit is used to compare and calculate the matching completion of the preset model and the 3D model.

[0012] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. When the present invention is in use, firstly, a position model of the insert pre-placed inside the mold is established through the modeling import module, a preset model is established and imported into the system, and then the insert is grabbed and placed in the mold through the insert placement module, and then the image acquisition module is used to capture images of the inserted insert and the inside of the mold and convert the captured images into a 3D model, and then the calculation and matching module is used to match and compare the preset insert placement model and the collected and converted 3D model, and the degree of completion of the 3D model to the preset model is calculated, and finally the position of the insert is adjusted by operating the insert placement module through the adjustment module, and the calculation and matching are repeated until a complete match is achieved.

[0014] Other advantages, objectives and features of the present invention will be set forth in part in the following description and, in part, will be apparent to those skilled in the art based on an examination of the following or may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the system architecture of the present invention. DETAILED DESCRIPTION

[0016] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0017] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0018] Please see attached Figure 1 The present invention provides a safe production injection molding system based on machine vision, including a modeling import module, an insert placement module, an image acquisition module, a calculation matching module and an adjustment module. The modeling import module is data-connected with the calculation matching module, the image acquisition module is also data-connected with the calculation matching module, the adjustment module is signal-connected with the insert placement module, the modeling import module is used to establish a position model of the insert pre-placed inside the mold, establish a preset model and import it into the system, the insert placement module is used to grab the insert and place it into the mold, the image acquisition module is used to capture images of the inserted insert and the inside of the mold and convert the captured images into a 3D model, the calculation matching module is used to match and compare the preset insert placement model with the captured and converted 3D model, and calculate the degree of completion of the 3D model to the preset model, the adjustment module adjusts the insert position by operating the insert placement module, and repeats the calculation matching until it is completely matched.

[0019] In one embodiment of the present invention: the modeling import module includes a preset model construction unit and a preset model import unit, the preset model construction unit is used to establish a model of the position of the insert pre-placed in the mold, and the preset model import unit is used to send the established preset model to the calculation matching module.

[0020] In one embodiment of the present invention: the insert placement module includes a gripping unit and a moving unit, the gripping unit is used to grip the insert, and the moving unit is used to move the gripping unit and the insert to place the insert at a specified position in the mold.

[0021] In one embodiment of the present invention: the grabbing unit adopts a mechanical grab, and the moving unit can move in multiple directions.

[0022] In one embodiment of the present invention: the image acquisition module includes an image acquisition unit and a 3D model construction unit, the image acquisition unit is used to acquire images of inserts in the mold, and the 3D model construction unit can convert the acquired images into a 3D model and import the 3D model into the calculation matching module.

[0023] In one embodiment of the present invention: the image acquisition unit uses an acquisition camera, and the acquisition camera can capture and acquire images of the insert from multiple directions.

[0024] In one embodiment of the present invention: the calculation matching module includes a model importing unit and a model matching unit, the model importing unit is used to receive and import the preset model and the converted 3D model, and the model matching unit is used to compare and calculate the matching completion of the preset model and the 3D model.

[0025] Working principle:

[0026] When the present invention is in use, firstly, a position model of the insert pre-placed inside the mold is established through the modeling import module, a preset model is established and imported into the system, and then the insert is grabbed and placed in the mold through the insert placement module, and then the image acquisition module is used to capture images of the inserted insert and the inside of the mold and convert the captured images into a 3D model, and then the calculation and matching module is used to match and compare the preset insert placement model and the captured and converted 3D model, and the degree of completion of the 3D model to the preset model is calculated, and finally the position of the insert is adjusted by operating the insert placement module through the adjustment module, and the calculation and matching are repeated until a complete match is achieved.

[0027] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0029] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above invention, the details of its power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by technical personnel in this field.

[0030] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.

[0032] It is apparent to those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the invention, and the changes still fall within the protection scope of the invention.

Claims

1. The injection molding safety production system based on machine vision is characterized by: It includes a modeling import module, an insert placement module, an image acquisition module, a calculation matching module and an adjustment module. The modeling import module is data-connected with the calculation matching module, the image acquisition module is also data-connected with the calculation matching module, and the adjustment module is signal-connected with the insert placement module. The modeling import module is used to establish a position model of the insert pre-placed inside the mold, establish a preset model and import it into the system, the insert placement module is used to grab the insert and place it into the mold, the image acquisition module is used to capture images of the inserted insert and the inside of the mold and convert the captured image into a 3D model, the calculation matching module is used to match and compare the preset insert placement model and the captured and converted 3D model, and calculate the degree of completion of the 3D model to the preset model, the adjustment module adjusts the insert position by operating the insert placement module, and repeats the calculation matching until it is completely matched.

2. The injection molding safety production system based on machine vision according to claim 1 is characterized in that: The modeling import module includes a preset model construction unit and a preset model import unit. The preset model construction unit is used to establish a model of the position of the insert pre-placed in the mold, and the preset model import unit is used to send the established preset model to the calculation matching module.

3. The injection molding safety production system based on machine vision according to claim 1 is characterized in that: The insert picking and placing module comprises a grabbing unit and a moving unit. The grabbing unit is used to grab the insert, and the moving unit is used to move the grabbing unit and the insert to place the insert at a designated position in the mold.

4. The injection molding safety production system based on machine vision according to claim 3 is characterized in that: The grabbing unit adopts mechanical grabbing, and the moving unit can move in multiple directions.

5. The injection molding safety production system based on machine vision according to claim 1 is characterized in that: The image acquisition module includes an image acquisition unit and a 3D model construction unit. The image acquisition unit is used to acquire images of inserts in the mold. The 3D model construction unit can convert the acquired images into 3D models and import the 3D models into the calculation matching module.

6. The injection molding safety production system based on machine vision according to claim 5 is characterized in that: The image acquisition unit adopts an acquisition camera, and the acquisition camera can capture and acquire images of the insert in multiple directions.

7. The injection molding safety production system based on machine vision according to claim 1 is characterized in that: The calculation and matching module includes a model importing unit and a model matching unit. The model importing unit is used to receive and import the preset model and the converted 3D model. The model matching unit is used to compare and calculate the matching completion of the preset model and the 3D model.

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