Front face and back face printing detection device

A technology of front and back printing and testing equipment, which is applied in the direction of object supply, pile separation, thin material processing, etc., can solve the problems of labor and time waste, and achieve the effect of reducing labor intensity and improving detection efficiency

Active Publication Date: 2016-11-23
BEIJING FOCUSIGHT TECH
7 Cites 4 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0002] At present, the testing equipment used in the printing testing industry is single-sided testing, which has caused great limitations to printing testing. Too many printing produ...
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Abstract

The invention discloses a front face and back face printing detection device which comprises a belt conveying part used for conveying printed matter. A pre-acceleration air suction belt is located on the downstream side of the belt conveying part. The conveying speed of the pre-acceleration air suction belt is higher than the conveying speed of the belt conveying part. The pre-acceleration air suction belt is correspondingly provided with a first air suction assembly, and the air suction end of the first air suction assembly faces upwards. An upper air suction belt is located above the pre-acceleration air suction belt and located on the downstream side of the pre-acceleration air suction belt. The upper air suction belt is correspondingly provided with a second air suction assembly, and the air suction end of the second air suction assembly faces downwards. A lower air suction belt is located below the upper air suction belt and located on the downstream side of the upper air suction belt. The lower air suction belt is correspondingly provided with a third air suction assembly, and the air suction end of the third air suction assembly faces upwards. An upper detection part is arranged above the lower air suction belt and is used for detecting the quality of the front face of the printed matter, and a lower detection part is arranged below the upper air suction belt and is used for detecting the quality of the back face of the printed matter. The front face and back face printing detection device can be used for achieving front face detection and back face detection.

Application Domain

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Testing equipmentEngineering +3

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  • Front face and back face printing detection device
  • Front face and back face printing detection device

Examples

  • Experimental program(1)

Example Embodiment

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.
[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. indicate the orientation or positional relationship based on the attached The orientation or positional relationship shown in the figure is 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 cannot be understood as a reference to the present invention. Limitations of the invention.
[0024] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , Or integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components, Unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] Reference below figure 1 with figure 2 The front and back printing detection device 100 according to an embodiment of the present invention is described.
[0027] The front and back printing detection device 100 according to the embodiment of the present invention may include a card issuer cover 1, a pre-acceleration suction belt 2, an upper suction belt 3, a lower suction belt 4, an upper detection part 5 and a lower detection part 6. The front and back printing detection equipment 100 may also include a driving device and a control unit, and the driving device may be used to drive the hairpin cover 1, the pre-acceleration suction belt 2, the upper suction belt 3, and the lower suction belt 4 to operate.
[0028] The card issuing sleeve 1 can be connected with a printing device for transmitting printed matter. The pre-acceleration suction belt 2 is located downstream of the hairpin sleeve 1, such as figure 1 As shown, the pre-acceleration suction belt 2 is connected to the card issuing sleeve 1, and the printed matter is transferred from the card issuing sleeve 1 to the pre-accelerating suction belt 2. The transmission speed of the pre-acceleration suction belt 2 is greater than the transmission speed of the card issuer sleeve 1. In other words, the transmission speed of the printed matter on the pre-accelerated suction belt 2 is greater than the transmission speed of the printed matter on the card issuer sleeve 1. Separate step by step to inspect the printed matter one by one. The pre-acceleration suction belt 2 is correspondingly provided with a first suction assembly 21, and the suction end of the first suction assembly 21 faces upwards. In this way, the suction generated by the first suction assembly 21 acts downwards, so that the printed matter can be adsorbed on On the pre-acceleration suction belt 2, the reverse side of the printed matter is attached to the surface of the pre-acceleration suction belt 2 at this time. In the description of the present invention, the term "downstream" refers to the conveying direction of the printed matter. For example, the pre-accelerated suction belt 2 is located downstream of the hairpin sleeve 1, which means that the printed matter can be transported from the hairpin sleeve 1 to the pre-accelerated suction. On the belt 2.
[0029] The upper suction belt 3 is located above the pre-acceleration suction belt 2 and downstream of the pre-acceleration suction belt 2. The upper suction belt 3 is correspondingly provided with a second suction assembly 31, and the suction end of the second suction assembly 31 Facing downwards, in this way, the upper suction belt 3 is connected to the pre-acceleration suction belt 2, and the printed matter smoothly transitions from the pre-acceleration suction belt 2 to the upper suction belt 3, and the suction generated by the second suction assembly 31 is upward, thereby The printed matter can be adsorbed on the upper suction belt 3. At this time, the front side of the printed matter is attached to the upper suction belt 3, and the reverse side of the printed matter is exposed downward.
[0030] The lower detection component 6 is placed under the upper suction belt 3, and when the printed matter is conveyed to the upper suction belt 3, the lower detection component 6 corresponds to the reverse side of the printed matter to detect the quality of the reverse side of the printed matter.
[0031] The lower suction belt 4 is located below the upper suction belt 3 and downstream of the upper suction belt 3. The lower suction belt 4 is correspondingly provided with a third suction assembly 41, and the suction end of the third suction assembly 41 faces upward In this way, the printed matter is conveyed from the upper suction belt 3 to the lower suction belt 4, and the suction generated by the third suction assembly 41 is downward, so that the printed matter is stably held on the lower suction belt 4, thus, the reverse side of the printed matter It is attached to the lower suction belt 4 to expose the front side of the printed matter.
[0032] The upper detection component 5 is placed above the lower suction belt 4, and when the printed matter is present on the lower suction belt 4, the upper detection component 5 corresponds to the front side of the printed matter to detect the front quality of the printed matter.
[0033] in figure 1 In the example shown, the pre-acceleration suction belt 2 can be driven by one main roller 21 and four auxiliary rollers 22. The main roller 21 rotates to drive the pre-acceleration suction belt 2 to drive, and the auxiliary roller 22 can follow the main roller. The drum 21 rotates to assist in driving the pre-acceleration suction belt 2, and at the same time, the pre-acceleration suction belt 2 can be positioned and tensioned to avoid belt slack. Such as figure 1 As shown, in the same way, the upper suction belt 3 and the lower suction belt 4 can be driven in the same manner.
[0034] It can be understood that the strokes of the pre-acceleration suction belt 2, the upper suction belt 3, and the lower suction belt 4 are all circular, and the circular stroke includes an upper stroke section and a lower stroke section, due to the suction of the first suction assembly 21 The wind end faces upwards, so the reverse side of the printed matter can be adsorbed on the upper stroke section of the pre-acceleration suction belt 2. Since the suction end of the second suction assembly 31 faces downward, the front side of the printed matter can be adsorbed on the lower stroke section of the upper suction belt 3. Since the suction end of the third suction assembly 41 faces upward, the reverse side of the printed matter can be adsorbed on the upper stroke section of the lower suction belt 4.
[0035] Specifically, when the printed matter is conveyed to the pre-acceleration suction belt 2 through the card issuing section 1, the first suction assembly 21 below the pre-acceleration suction belt 2 firmly and steadily adsorbs the product on the pre-acceleration suction belt 2, and the pre-acceleration The suction belt 2 separates the printed matter one by one. When the printed matter is transported to the upper suction belt 3, the printed matter is smoothly transferred to the upper suction belt 3 through the second suction assembly 31, and the lower detection component 6 performs the inspection on the reverse side of the printed matter. Detection. When the printed matter is transported to the lower suction belt 4, the printed matter is transferred to the lower suction belt 4 through the third suction assembly 41, and the upper detection component 5 detects the front side of the printed matter, thereby realizing double-sided detection of the printed matter . Among them, the upper detection component 5 and the lower detection component 6 can be connected to the control unit, and the detection information is fed back to the control unit.
[0036] According to the front and back printing inspection device 100 of the embodiment of the present invention, the upper and lower detection parts 5 and 6 can perform quality inspection on the front and back sides of the printed matter, thereby realizing double-sided inspection of the printed matter, while the upper detection part 5 The lower detection component 6 can be connected to the control unit and feed back monitoring information to the control unit, so as to understand the quality of printed matter more clearly and intuitively, so as to adjust the printing equipment, improve production efficiency, and reduce labor intensity.
[0037] In some embodiments of the present invention, the front and back printing detection device 100 may further include a waste rejection assembly 6, which is arranged downstream of the lower suction belt 4, and the waste rejection assembly 6 may be configured to reject suction from the bottom. Waste in the printed matter from the wind belt 4. Among them, the reject component 6 is connected to a control unit, and the control unit can reject rejects according to the information fed back from the upper detection component 5 and the lower detection component 6.
[0038] As an alternative embodiment, the waste rejection assembly 6 may include an upper transmission part 71, a lower transmission part 72, an inclined transmission part 73 and a rotatable part 74. The upper transmission part 71 is located downstream of the lower suction belt 4 and is connected to the lower suction belt 4. The wind belts 4 are spaced apart, and the upper transmission part 71 can be used to receive printed materials with qualified inspection quality.
[0039] The lower transmission part 72 is located below the upper transmission part 71, and can be used to receive printed materials of unqualified quality. Because the lower transmission part 72 and the lower suction belt 4 convey the printed materials with a certain height difference, the lower transmission part 72 and the lower An inclined conveying part 73 is arranged between the suction belt 4, and the upper and lower ends of the inclined conveying part 73 are respectively connected to the lower suction belt 4 and the lower transmission part 72, so that the waste can be conveyed to the lower transmission part 72 through the inclined conveying part 73 .
[0040] The rotatable part 74 is reversibly arranged between the upper transmission part 71 and the lower suction belt 4, wherein the rotatable part 74 is connected to a control unit, and the control unit controls the reversal of the rotatable part 74. figure 2 In the example shown, the rotatable part 74 in dashed line indicates that it rotates to engage with the upper transmission part 71, so as to transmit qualified printed matter to the upper transmission part 71, and the rotatable part 74 in solid line indicates that it rotates to engage with the lower transmission part 72 , In order to convey the unqualified waste products to the lower transmission part 72. Alternatively, the rotatable member 74 may be formed as a plate-shaped rotating plate, thereby facilitating the transfer of printed matter.
[0041] Among them, preferably, the upper transmission part 71, the lower transmission part 72 and the inclined transmission part 72 can be respectively belt transmission parts, thereby not only facilitating the transmission of printed matter, but also ensuring the flatness of the printed matter, avoiding wrinkles or damage to the printed matter, and further To ensure the quality of printed matter.
[0042] Reference below figure 1 with figure 2 The working process of the front and back printing inspection device 100 is described in detail.
[0043] The printed matter is transferred from the hairpin sleeve 1 to the pre-acceleration suction belt 2, and the first suction assembly 21 passed through the printed matter firmly and steadily adsorbs the printed matter on the pre-acceleration suction belt 2, where the transmission speed of the pre-acceleration suction belt 2 is greater than The transmission speed of the card issuing sleeve 1 separates the printed matter one by one, so that the printed matter can be inspected one by one. When the printed matter is conveyed to the upper suction belt 3, the second suction assembly 31 transfers the printed matter to the upper suction belt 3 smoothly, and the lower detection component 6 detects the reverse side of the printed matter. When the printed matter is conveyed to the lower suction belt 4 , The printed matter is transferred to the lower suction belt 4 through the third suction assembly 41, and the upper detection component 5 detects the front side of the printed matter, thereby realizing double-sided detection of the printed matter.
[0044] Among them, the upper detection component 5 and the lower detection component 6 are connected to the control unit, and the detection information is fed back to the control unit. The control unit judges the quality of the front and back sides of the printed matter according to the information fed back from the upper detection part 5 and the lower detection part 6. When the quality of both sides of the printed matter are both qualified, the control unit controls the rotatable part 74 to reverse the direction of the upward transmission part 71, and The qualified printed matter is conveyed to the upper transmission part 71. When the quality of both sides of the printed matter is unqualified or one side is unqualified, the control unit controls the rotatable part 74 to flip the direction of the downward transmission part 2, and the unqualified printed matter passes through the inclined conveying part 73 It is conveyed to the lower transmission part 72, so that waste products can be eliminated.
[0045] In some embodiments of the present invention, the card issuer cover 1 may be a belt drive, such as figure 1 As shown, the hairpin sleeve 1 can be composed of a conveying belt and two rollers. The conveying belt is sleeved on the rollers, and a suction device can be arranged under the belt. In this way, the driving device of the front and back printing detection equipment 100 drives the rollers. Rotation, the roller rotates to drive the conveyor belt to rotate, so as to transfer the printed matter on the conveyor belt to the pre-acceleration suction belt 2. When the front and back printing detection equipment 100 is working, the suction device of the hairpin cover 1 can be in full suction. Wind state to ensure that the printed matter is stably maintained on the conveyor belt.
[0046] According to the front and back printing detection device 100 of the embodiment of the present invention, double-sided detection of printed products can be realized. At the same time, the upper detection component 5 and the lower detection component 6 can be connected to the control unit, and the detection information is fed back to the control unit, thereby making it clearer Intuitively understand the quality of printed materials to adjust the printing equipment, and the control unit is connected to the reject component 6, and controls the reject component 6 according to the feedback of the printing quality detection information to separate the reject from the qualified printed product, so that it can be Improve production efficiency and reduce labor intensity.
[0047] In the present invention, unless otherwise clearly defined and defined, the first feature "on" or "under" the second feature may be in direct contact with the first and second features, or indirectly through an intermediary. contact. Moreover, the "above", "above", and "above" of the first feature on the second feature may mean that the first feature is directly above or diagonally above the second feature, or it simply means that the level of the first feature is higher than the second feature. The "below", "below", and "below" of the second feature of the first feature may mean that the first feature is directly below or obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
[0048] In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean specific features described in conjunction with the embodiment or example , Structure, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples and the characteristics of the different embodiments or examples described in this specification without contradicting each other.
[0049] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. A person of ordinary skill in the art can comment on the above-mentioned embodiments within the scope of the present invention. The embodiment undergoes changes, modifications, replacements and modifications.

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