CN209257669U - Forging printing plate roller and moulding press - Google Patents

Abstract

The utility model discloses a kind of forging printing plate roller and the moulding press using the forging printing plate roller, wherein, the forging printing plate roller includes roller, molding mother matrix, hot oil pipe, the molding mother matrix volume is affixed on the outer peripheral surface of the roller, the roller is equipped with heating oil duct, the hot oil pipe passes through one end of the roller and protrudes into the heating oil duct, and the inserting end of the hot oil pipe is connected to the other end of the roller, the tube wall that the hot oil pipe is located in the heating oil duct offers several oilholes, and the spacing of adjacent two oilhole is gradually reduced along flow of hot direction.The technical solution of the utility model can be effectively prevented from the phenomenon that film version easy to stick, and improve the brightness uniformity of holographic film, to guarantee the clarity of hologram pattern.

Description

Embossing rolls and embossing presses

technical field

The utility model relates to the technical field of laser holographic molding, in particular to a molding roller and a molding machine using the molding roller.

Background technique

The holographic molding machine mainly includes molding rollers, pressure rollers, pressing devices and transmission devices. Its working principle is to wrap the master plate with holographic patterns on the molding rollers of the molding machine, and then heat the molding rollers to pass the plastic film through Between the molding plate roller and the pressure roller of the molding press, the holographic pattern on the master plate is embossed on the plastic film by the pressing device and the rotating device of the molding press to form a holographic film. Among them, the heating mold plate roller usually uses hot oil to heat the roller, and an oil inlet passage and an oil return passage are formed in the roller, and the oil inlet passage and the oil return passage are respectively provided with an oil inlet pipe and an oil return pipe connected to the oil heater. , one end of the oil inlet pipe extends into the roller, and the extended oil inlet pipe is provided with an oil hole, so that the oil heater sends the hot oil to the oil inlet pipe from the hot oil pump, and the hot oil enters the roller along the oil hole of the oil inlet pipe , to heat the roller, and then return to the oil heater along the oil return channel and oil return pipe, so that the continuous hot oil circulation performs heat exchange, so that the oil heated roller reaches the set process temperature. However, most of the oil holes are evenly distributed on the oil inlet pipe extending into the roller, and the temperature of the hot oil gradually decreases along the flow direction, which will make the heating temperature distribution of the roller uneven, and cause the film to stick to the plate or The clarity of the holographic pattern is affected by the brightness difference.

Utility model content

The main purpose of the utility model is to provide a molded plate roller, which aims to effectively avoid the phenomenon that the film is easy to stick to the plate, and improve the brightness uniformity of the holographic film, thereby ensuring the clarity of the holographic pattern.

In order to achieve the above object, the molded plate roller proposed by the utility model includes a roller, a molded master plate, and a hot oil pipe, and the molded master plate is rolled on the outer peripheral surface of the roller, and the roller is provided with a heating oil passage , the hot oil pipe passes through one end of the roller and extends into the heating oil channel, and the extended end of the hot oil pipe abuts against the other end of the roller, and the hot oil pipe is located at the heating The pipe wall in the oil passage is provided with several oil holes, and the distance between two adjacent oil holes decreases gradually along the hot oil flow direction.

Optionally, several oil holes are distributed in several rows, and the plurality of oil holes in each row are arranged at intervals along the length direction of the hot oil pipe, and the distance between two adjacent oil holes gradually decreases along the direction of hot oil flow. Small.

Optionally, the centerline of the hot oil pipe coincides with the centerline of the cross-section of the roller.

Optionally, the protruding end of the hot oil pipe is arranged through the end of the roller.

Optionally, the embossing plate roller further includes a connecting flange, a rotary joint, a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are respectively connected to the left and right ends of the roller, so The right end of the roller is connected to the rotary joint through the connecting flange. The rotary joint is provided with an oil return channel, an oil inlet, an oil return port, and a connection port. The oil inlet, the oil return Both the connecting port and the connecting port are connected to the oil return channel, the second rotating shaft is provided with a connecting channel, the connecting channel is connected to the connecting port and the heating oil channel, and the heating oil pipe is connected to the oil inlet mouth and extend into the heating oil passage through the oil return passage and the connecting passage.

Optionally, the inner wall of the second rotating shaft is provided with a heat insulating sleeve.

The utility model also proposes a molding machine, comprising: a frame assembly; a film release tension shaft located at the feed end of the frame assembly; a film collection tension shaft located at the discharge end of the frame assembly The first molding assembly is located in the frame assembly and includes a molding roller, a first molding roller, and a cooling roller arranged in sequence from top to bottom, and the molding roller includes a roller, a molding master, and a hot oil pipe , the molded master roll is pasted on the outer peripheral surface of the roller, and the roller is provided with a heating oil passage, and the heating oil pipe passes through one end of the roller and extends into the heating oil passage, and the The protruding end of the hot oil pipe abuts against the other end of the roller, and the wall of the hot oil pipe located in the heating oil channel is provided with a number of oil holes, and the distance between two adjacent oil holes flows along the direction of the hot oil. The direction gradually decreases; and, the servo motor drives and connects the film unwinding tension shaft, the film winding tension shaft and the cooling roller.

Optionally, the molding press further includes guide rollers, and a set of guide rollers is provided between the take-up tension shaft and the first molding assembly and between the film release tension shaft and the first molding assembly. guide rollers.

Optionally, the molding press further includes a second molding assembly, the second molding assembly is arranged between the first molding assembly and the take-up tension shaft, and is adjacent to the first molding assembly, the The second molding assembly is connected to the servo motor.

Optionally, the second molding assembly includes a driving roller and a second molding roller, and the driving roller is connected to the servo motor.

According to the technical solution of the utility model, the molded plate roller includes a roller, a molded master plate wound on the outer peripheral surface of the roller, and a hot oil pipe. The roller is provided with a heating oil passage, and the hot oil pipe passes through one end of the roller and extends into the heating oil. and the extending end of the hot oil pipe abuts against the other end of the roller. The wall of the hot oil pipe located in the heating oil passage is provided with a number of oil holes. In this way, the hot oil in the hot oil pipe flows from the oil holes to the heating oil passage. The rollers are heated. Moreover, the distance between two adjacent oil holes decreases gradually along the direction of hot oil flow, which can make the temperature distribution of the roller along the direction of hot oil flow relatively uniform. When the coating film passes through the heated plate roll with the embossed plate, because the temperature distribution on the surface of the roll along its axial direction is relatively uniform, there will be no phenomenon that the film is easy to stick to the plate, and it can also improve the holographic film. The uniformity of brightness ensures the clarity of the holographic pattern.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is a cross-sectional structural schematic diagram of an embodiment of the utility model molding machine;

Fig. 2 is the cross-sectional structure schematic diagram of mold embossing roller in Fig. 1;

Fig. 3 is a schematic diagram of a partial structure of the oil pipe in Fig. 2 from a perspective.

Explanation of reference numbers:

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

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 part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

In addition, in the present application, descriptions such as "first", "second" and so on are used for description purposes only, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, the terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integration; It may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as the technical solution. Combination does not exist, nor is it within the scope of protection required by the utility model.

The utility model proposes a molding plate roller 31 , which is applied to the molding machine 100 .

As shown in Figures 1 to 3, in one embodiment of the molded plate roller 31 of the present invention, the molded plate roll 31 includes a roller 311, a molded master plate 312, a hot oil pipe 313, and the molded plate master plate 312 is wound on the roller 311. On the outer peripheral surface, the roller 311 is provided with a heating oil passage 311a, and the hot oil pipe 313 passes through one end of the roller 311 and extends into the heating oil passage 311a, and the extending end of the hot oil pipe 313 abuts against the other end of the roller 311, A plurality of oil holes 3131 are opened on the pipe wall of the heating oil pipe 313 located in the heating oil channel 311a, and the distance between two adjacent oil holes 3131 gradually decreases along the direction of flow of the hot oil.

Specifically, the roller 311 is roughly cylindrical, and a heating oil passage 311a is formed inside; the embossed master 312 is attached to the outer peripheral surface of the roller 311, and the embossed master 312 is generally a metal nickel plate with a holographic laser image. Its thickness is generally 15-80 μm. The embossing plate roller 31 is heated by an oil heating roller 311, and the hot oil is provided by the oil heater, and is delivered to the heating oil channel 311a through the hot oil pipe 313. It can be understood that one end of the hot oil pipe 313 communicates with the oil heater, the other end extends into the heating oil passage 311a, and its end abuts against the other end of the roller 311, and the end of the hot oil pipe 313 extending into the heating oil passage 311a A plurality of oil holes 3131 are opened on the pipe wall, so that the hot oil in the hot oil pipe 313 flows from the oil holes 3131 to the heating oil passage 311 a to heat the roller 311 . Furthermore, the distance between two adjacent oil holes 3131 gradually decreases along the direction of hot oil flow. With such an arrangement, since the temperature of the hot oil gradually decreases with the flow of hot oil, by gradually reducing the distance between two adjacent oil holes 3131, the roller can be The temperature distribution of the cylinder 311 along the flow direction of the hot oil is relatively uniform. When the coated film passes through the heated embossing roller 31, since the temperature on the surface of the roller 311 is evenly distributed along its axial direction, there will be no phenomenon that the film is easy to stick to the plate, and the brightness of the holographic film can also be improved. Uniformity, so as to ensure the clarity of the holographic pattern.

Therefore, it can be understood that in the technical solution of the present utility model, the embossed plate roller 31 includes a roller 311, a molded master plate 312 and a hot oil pipe 313 wound on the outer peripheral surface of the roller 311, and the roller 311 is provided with a heating oil passage 311a. The hot oil pipe 313 passes through one end of the roller 311 and extends into the heating oil passage 311a, and the extending end of the hot oil pipe 313 abuts against the other end of the roller 311, and the pipe wall of the hot oil pipe 313 located in the heating oil passage 311a is opened There are several oil holes 3131, so that the hot oil in the hot oil pipe 313 flows into the heating oil passage 311a from the oil holes 3131 to heat the roller 311. Moreover, the distance between two adjacent oil holes 3131 decreases gradually along the direction of hot oil flow, so that the temperature distribution of the roller 311 along the direction of hot oil flow is relatively uniform. When the coated film passes through the heated plate roll with the embossed plate attached, since the temperature distribution on the surface of the roll 311 along its axial direction is relatively uniform, there will be no phenomenon that the film is easy to stick to the plate, and it can also improve the hologram. The brightness uniformity of the film ensures the clarity of the holographic pattern.

In one embodiment of the present utility model, several oil holes 3131 are distributed in several rows, and several oil holes 3131 in each row are arranged at intervals along the length direction of the hot oil pipe 313, and the distance between two adjacent oil holes 3131 is along the direction of hot oil flow. slowing shrieking.

Specifically, the pipe wall of the hot oil pipe 313 is provided with several rows of oil holes 3131 extending along the length of the pipe, and the distance between two adjacent oil holes 3131 in each row gradually decreases along the flow direction of the hot oil. Such an arrangement can effectively ensure The temperature distribution on the surface of the roller 311 along its axial and radial directions is relatively uniform, thereby effectively avoiding the phenomenon that the film is easy to stick to the plate, and at the same time, it can also improve the brightness uniformity of the holographic film, thereby ensuring the clarity of the holographic pattern.

Further, the centerline of the hot oil pipe 313 coincides with the centerline of the cross section of the roller 311 . The thermal oil pipe 313 extends from the right end of the roller 311 to the left end of the roller 311 along the central axis of the roller 311. Since the thermal oil pipe 313 is arranged on the central axis of the roller 311, the diameter from the oil hole 3131 to the inner wall of the roller 311 The radial distance of the roller 311 is equal, and the temperature distribution of the roller 311 along its radial direction is relatively uniform, so as to further avoid the phenomenon that the film is easy to stick to the plate, and at the same time, it can also improve the brightness uniformity of the holographic film, thereby ensuring the clarity of the holographic pattern.

Further, the protruding end of the hot oil pipe 313 is set through the end of the roller 311 . In this way, not only the installation and fixing operation of the thermal oil pipe 313 will be convenient and stable, but also the opening operation of the oil hole 3131 on the thermal oil pipe 313 will be more convenient.

In one embodiment of the present invention, the embossing plate roller 31 further includes a connecting flange 314, a rotary joint 315, a first rotating shaft 316 and a second rotating shaft 317, and the first rotating shaft 316 and the second rotating shaft 317 are respectively connected to the roller 311 The left and right ends of the roller 311 are connected to the rotary joint 315 through the connecting flange 314, and the rotary joint 315 is provided with an oil return passage 3151, an oil inlet 3152, an oil return port 3153, and a connection port 3154, and an oil inlet 3152 , the oil return port 3153 and the connection port 3154 are connected to the oil return channel 3151, the second shaft 317 is provided with a connection channel 3171, the connection channel 3171 is connected to the connection port 3154 and the hot oil channel, and the hot oil pipe 313 is connected to the oil inlet 3152 and passes through The oil return channel 3151 and the connecting channel 3171 extend into the heating oil channel 311a.

Specifically, the left and right ends of the roller 311 are respectively connected with a first rotating shaft 316 and a second rotating shaft 317, the first rotating shaft 316 extends into the left end of the roller 311 and blocks the heating oil channel 311a; the second rotating shaft 317 extends into the roller 311 and is provided with a connecting passage 3171 communicating with the heating oil passage 311a, and the connecting passage 3171 extends along the length of the second rotating shaft 317. The right end of the roller 311 is connected to the rotary joint 315 through the connecting flange 314, and the rotary joint 315 is provided with an oil return channel 3151, which communicates with the connecting channel 3171 and the heating oil channel 311a, and the rotary joint 315 is provided with a connecting channel 3151. The oil inlet 3152, the oil outlet and the connection port 3154 of the oil channel 3151, the connection port 3154 communicates with the connection channel 3171; the hot oil pipe 313 enters from the oil inlet 3152 and passes through the oil return channel 3151 and the connection channel 3171 to extend into the heating In the oil passage 311a, with such a setting, the hot oil in the hot oil pipe 313 enters the heating oil passage 311a from the oil hole 3131 to heat the roller 311, and the hot oil entering the heating oil passage 311a goes along the connecting passage 3171 and the oil return The channel 3151 flows out from the oil outlet and flows into the oil heater for recycling, and the hot oil is continuously circulated, so as to ensure the heating operation of the roller 311 and to recycle the hot oil, saving hot oil cost.

Further, in order to reduce the rotational friction of the rotating shaft, a bearing housing 318 containing two bearings 319 is provided at the left and right ends of the roller 311 respectively, and the axle heads of the first rotating shaft 316 and the second rotating shaft 317 are respectively installed on the corresponding Inside the two bearings 319 of the bearing block 318.

Further, the inner wall of the second rotating shaft 317 is provided with a heat insulating sleeve 3172 . The arrangement of the heat insulating sleeve 3172 can prevent the hot oil from directly contacting the inner wall of the second rotating shaft 317 , effectively reducing the heat transfer between the hot oil and the inner wall of the second rotating shaft 317 , thereby reducing the temperature of the second rotating shaft 317 .

Please refer to Fig. 1 again, the utility model also proposes a kind of molding machine 100, and this molding machine 100 comprises: frame assembly; Release film tension shaft 10, be positioned at the feeding end of frame assembly; Film collection tension shaft 20 , is located at the discharge end of the frame assembly; the first molding assembly 30 is located at the frame assembly, and includes the above-mentioned molded plate roll 31, the first molded roll 32 and the cooling roll 33 arranged in sequence from top to bottom ; Wherein, the specific structure of the embossing plate roller 31 refers to the foregoing embodiments. Since the molding machine 100 adopts all the technical solutions of the aforementioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the aforementioned embodiments, and will not be repeated here.

Specifically, the frame assembly (not shown) is made of sheet metal, and has a stable and firm structure. The film release tension shaft 10 and the film collection tension shaft 20 are installed on the feed end and the discharge end of the frame assembly respectively, and the first molding assembly 30 is located between the film release tension shaft 10 and the film collection tension shaft 20, And mold embossing roll 31, mold embossing roll 31, the first embossing roll 32 and cooling roll 33 are arranged successively from top to bottom, the first embossing roll 32 is a rubber roll, is used for pressing the film on the surface of the plate roll, so that the film It has a holographic pattern; the cooling roller 33 is used to cool down the film on which the holographic pattern is printed. The servo motor is installed on the bottom of the frame assembly, and is driven to be connected to the film tension shaft 10, the film tension shaft 20 and the cooling roller 33 to drive its rotation.

Please refer to FIG. 1 again, the molding press 100 also includes a guide roller 50, and guide rollers are arranged between the film tensioning shaft 10 and the first molding assembly 30 and between the film tensioning shaft 10 and the first molding assembly 30 50. At the same time, a guide roller 50 is provided between the film tensioning shaft 20 and the first molding assembly 30 for guiding the film so as to ensure the smooth and stable operation of the whole operation.

Please refer to Fig. 1 again, the molding press 100 also includes a second molding assembly 40, the second molding assembly 40 is located between the first molding assembly 30 and the film tensioning shaft 20, and adjacent to the first molding assembly 30, the second molding assembly 40 Assembly 40 is connected to a servo motor. The first molding assembly 30 is arranged behind the first molding assembly 30 to perform another molding operation on the film with the holographic pattern, so that the surface of the film is more stretched and smooth, thereby improving the quality of the product.

Optionally, the second molding assembly 40 includes a driving roller 41 and a second molding roller 42, and the driving roller 41 is connected to a servo motor. The second embossing roller 42 is also usually a rubber roller, and the servo motor drive is connected to the driving roller 41. The driving roller 41 rotates and drives the film to move. It is more stretched and flat, thus improving the quality of the product.

The above is only a preferred embodiment of the present utility model, and does not therefore limit the scope of the patent of the present utility model. Under the inventive concept of the present utility model, the equivalent structural transformation made by using the specification of the utility model and the contents of the accompanying drawings, or Direct/indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims (10)

1. A molded embossing plate roller, which is applied to a molding press, is characterized in that it comprises a roller, a molded embossing plate, and a hot oil pipe, and the embossed embossing plate is rolled on the outer peripheral surface of the roller, and the roller is provided with A heating oil passage, the hot oil pipe passes through one end of the roller and extends into the heating oil passage, and the extended end of the hot oil pipe abuts against the other end of the roller, and the hot oil pipe is located at The pipe wall in the heating oil channel is provided with a number of oil holes, and the distance between two adjacent oil holes gradually decreases along the flow direction of the hot oil. 2. The embossed plate roll as claimed in claim 1, wherein the plurality of oil holes are distributed in several rows, and the plurality of oil holes in each row are arranged at intervals along the length direction of the hot oil pipe, and two adjacent The distance between the oil holes decreases gradually along the direction of hot oil flow. 3. The embossed plate roller according to claim 1, characterized in that, the centerline of the hot oil pipe coincides with the centerline of the cross-section of the roller. 4. The embossing plate roller according to claim 1, characterized in that, the protruding end of the hot oil pipe is arranged through the end of the roller. 5. The embossed plate roll according to any one of claims 1 to 4, characterized in that, the embossed plate roll also includes a connecting flange, a rotary joint, a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are respectively connected to the left and right ends of the roller, and the right end of the roller is connected to the rotary joint through the connecting flange, and the rotary joint is provided with an oil return channel and an oil inlet , an oil return port, and a connection port, the oil inlet, the oil return port and the connection port are all connected to the oil return passage, the second rotating shaft is provided with a connection passage, and the connection passage is connected to the The connecting port and the heating oil passage, the heating oil pipe communicates with the oil inlet and extends into the heating oil passage through the oil return passage and the connecting passage. 6. The embossing plate roller according to claim 5, characterized in that, a heat insulating sleeve is provided on the inner wall of the second rotating shaft. 7. A molding machine, characterized in that it comprises: Rack components; The film tensioning shaft is located at the feed end of the frame assembly; The film tensioning shaft is located at the discharge end of the frame assembly; The first embossing assembly is located in the frame assembly and includes the embossing plate roller, the first embossing roller and the cooling roller according to any one of claims 1 to 6 arranged sequentially from top to bottom; and, A servo motor drives and connects the film-releasing tension shaft, the film-winding tension shaft and the cooling roller. 8. The molding press according to claim 7, characterized in that, the molding press further comprises guide rollers, between the film-winding tension shaft and the first molding assembly and between the film-releasing tension shaft and the first molding assembly. The guide rollers are arranged between the first molding components. 9. The molding press according to claim 7, characterized in that, the molding press further comprises a second molding assembly, and the second molding assembly is arranged between the first molding assembly and the film tensioning shaft Between and adjacent to the first molding assembly, the second molding assembly is connected to the servo motor. 10. The molding machine according to claim 9, wherein the second molding assembly comprises a driving roller and a second molding roller, the driving roller is connected to the servo motor.