TH87350A - Methods and systems for film removal and rejection of coated resin products. - Google Patents

Abstract

DC60 Film removal / rejection method for exposed resin products, consisting of a film-removing step (S5) of feeding the target material containing the mixture. Of many types of coated resin products, each having a softening temperature. The diffuser in at least one of the film (2b) and its coated material (2a), enters the film-removal device (20), and heats the target material in the de-filming device ( 20) To a temperature that allows the material to be coated (2a) or film (2b) of at least. One of the coated resin products was softened in a non-molten state, so that the film (2b) was removed from the coated material (2a), and the sorting procedure (S9) of the separation process. The target material after being taken to the film removal step (S5), between the film-free material (2A) containing the coated material (2a) of the resin product. That was successfully removed the film (2b) from it, and the target material was not This is done with action (2B) consisting of the remnant coated resin product with a film (2b) remaining on it. The removal process (S5) and the separation step (S9) are repeated repeatedly while raising the target material temperature in the removal step (S5) in steps of the same or less temperature range. The highest softening temperature of the film (2b) and the coated material (2a) of the coated resin product. Film removal / rejection method for the exposed resin product, which consists of a film removal procedure (S5) of the target material feeding containing the mixture. Of many types of coated resin products, each having a softening temperature. A differentiator in at least one of the film (2b) and its coated material (2a), enters the deodorizer (20), and heats the target material in the removal device. Release film (20) to a temperature that allows the material to be coated (2a) or film (2b) of at least. One of the coated resin products was softened in a non-molten state, so that the film (2b) was removed from the coated material (2a) and the sorting procedure (S9) of the separation was performed. The target material after being taken to the film removal step (S5), between the film-free material (2A) containing the coated material (2a) of the resin product. That was successfully removed the film (2b) from it, and the target material was not This was done with operation (2B) consisting of the remnant coated resin product with the remaining film (2b) on it. The film removal procedure (S5) and the rejection procedure (S9) were repeated repeatedly while The target material temperature was raised in the degassing step (S5) in steps, within a temperature equal to or less than the highest film softening temperature (2b) and coating material (2a) of the product. The resin is coated.

Claims (6)

1. Method for removing film and rejecting coated resin products, method It consists of a process of: the film removal (S5) phase of the target material feeding, which consists of a mixture of several types of coated resin products, each with a softening temperature. Differ, at least one of the film (2b) and its coated material (2a), into A device that removes the film (20) and heats the target material in such a film-removing device (20) to a temperature that allows at least one of the coated material (2a) or film (2b) of it. Of the coated resin is softened in a non-molten state, to remove the aforementioned film (2b) from the said material (2a); And a sorting procedure (S9) of sorting the target material after being imported. To the aforementioned film-removal procedure (S5), between the film-free materials (2A) containing The coated material (2a) of such a coated resin product which was successful in removing the film (2b) from it, and the inoperable target material (2B) containing Remaining resin coated product with no remaining film (2b) attached, which is characterized as: the said film removal procedure (S5) and the aforementioned separation procedure (S9). conduct This is done repeatedly while increasing the target material temperature in this step of the removal process (S5) within the temperature range of the film's highest softening temperature (2b) and material. Coated (2a) of the coated resin product, in The symptom: The target material was heated in the removal process (S5) as mentioned until The first softening temperature, which is the lowest softening temperature of the film (2b) and the coated material (2b) of the aforementioned resin product, and later bent in the process. Such separation (S9) was performed between the film free material (2A) and the wrong target material. Acted with operation (2B) with the remaining film (2b) attached; And target materials that have not been performed with (2B) is heated in the process. Remove the said film (S5) to the softening temperature, which is the softening temperature that Minimum film (2b) and coated material (2a) of the remaining coated resin product. And was higher than the aforementioned softening temperature, and later rejected at the said separation step (S9) between the film-free material (2A) and the non-operating target material (2B) at Film residue (2b). 2. Method according to claim 1, where each type of resin is coated with several types of products. These have at least one film (2b) and its coated material (2a) differing temperature limits. 3. Method according to claim 2, where such film (2b) And the aforementioned (2a) coated materials differ from each other in materials. 4. Method according to claim 3, where one of the aforementioned film (2b) and the coated material () is made of thermosetting resin, and the rest is made of thermosetting resin. Thermoplastic resins. 5. Procedures in accordance with any of the Claims 1 to 4, where a procedure is included. It is a fraction (S1) of the cut of the coated resin product before the aforementioned film removal procedure (S5), where the coated resin product after being subjected to fractionation (S1 ) Is fed into the ejecting device (20) as the target material. 6. Method according to claim 5, where the aforementioned film removal procedure (S5) incorporates spin Target material after being put into the aforementioned fractional (S1) procedure, in the aforementioned film-removal device (20). 7. Method according to one of the claims 1 to 6, The aforementioned separation procedure (S9) incorporates the detection of film residues (2b) on the coated material (2a) or the specific material contained in the film (2b), using a detector. (39,42,75). 8. Clause 7, whereby the separation procedure (S9) includes Detect the difference in fluorescence, tint or color between the background color and the color of the shadow. Optical path of the detected target material By optical meter (39,42). 9. Method in Claim 7 or 8, where the sorting procedure (S9) is included. The detection of non-operative target material with film residue (2b), using the aforementioned probe (39,42,75), while in motion all target material after being exposed. Import the film removal procedure (S5) as mentioned, in one direction, and simply blow the opposing air. Non-operating target material (2B) to change direction of material movement. The non-operative target (2B) is to separate the said non-operational target material (2B) from the aforementioned film-free (2A) material. 1 0. Claims 1 through 9, where Such coatings are molded resin components of used cars. 1 1. A system for removing film and rejection of coated resin products, consisting of: a film removal device (20), which is mixed to provide target material bonding, consisting of Mixtures of various types, coated resin products, each having a temperature Different softening of at least one of the film (2b) and its coated material (2a), to a temperature that allows at least one of the coated material (2a) or film (2b) of the of The coated resin is softened in a non-molten state, to perform the removal of the aforementioned film (2b) from the aforementioned coating (2a); The reject device (30,130), which was adjusted to reject the target material after The film removed, between the film-free material (2A) applied to the coated material (2a) of the coated resin product which experienced I was successful in removing the film (2b) from it, and the non-treated material (2B) containing the remaining coated resin product with the remaining film (2b), to act. Sorting; And the control path (60), which is adjusted to regulate the sequential operation of the said film removal device () and the aforementioned separation device (30,130), such a control path (60) is designed to operate the removal device (60). The said release film (20) is controllable and the aforementioned rejection device (30, 130) rounds out the repetitive action, removes the said film and performs the Such separation in order to allow such film-removing device (20) to increase the temperature of the The target material is stepwise within a temperature range that is equal to or less than the softening temperature. The maximum film (2b) and the coated material (2a) of the resin to be coated, as such: the target material was heated to the first softening temperature which was The lowest softening temperature of the film (2b) and the coated material (2a) of the product. The coated sins, through a film removal operation, were subsequently rejected during Film-free material (2A) and untreated target material (2B) with remaining film (2b) attached, through rejection; And such inactive target material (2B) was heated to The softening temperature, which is the lowest film softening temperature (2b) and coated material (2a) of the remaining coated resin product, and above the softening temperature. The first one, undergoing a film removal operation, and later sorted between a film-free material (2A) and an untreated target material. An operation (2B) with a residual film attached (2b), through a sorting operation. 1 2. System according to claim 11, which incorporates a cutting device (10) which has been adjusted to Cut the coated resin flays before the said film removal operation by the aforementioned film-removal device (20), in order to perform the cutting, where the system is designed in terms of That the resin product that has been coated after it has been subjected to moist cutting Then was entered into The film-removal device (20) as such as the target material (2B). 1 3. System according to claim 12, where the aforementioned film-removal device (20) is adjusted to spin The target material in it after being subjected to such chopping. 1 4.A system according to any of the claims 11 to 13, where the aforementioned reject device (30,130) includes a film detector (39,42,75) for film detection (2b). ) Remaining on the coated material (2a) or film-specific specific material (2b). 5. System according to claim 14, where the measuring device (39,42) is a measure Optical, which is adjusted to detect the difference between the background color and the fluorescence, the color or the color of the optical silhouette of the target material (2B). 6. System according to claim 14 or 15, with the aforementioned reject device (30,130) adjusted to detect non-operative target material (2B) with residual film (2b), using a machine. Measure such (39,42,75), as the target material is moving. After being introduced into the aforementioned film removal operations, in a certain direction, and blown air against only the aforementioned untreated target material (2B) to replace. The direction of movement of the target material no.4 acted with the above operation (2B) to separate The non-operative target material (2B) is made from such film-free (2A) material.