CN111148369A - Rolling film pasting device for circuit board - Google Patents

Abstract

The invention provides a circuit board film rolling and pasting device which comprises a film supply mechanism, two hot pressing rollers and a rack, wherein the two hot pressing rollers are respectively provided with an upper pressing roller and a lower pressing roller which are arranged side by side from top to bottom, a support is arranged on the rack, and the circuit board film rolling and pasting device further comprises an air cylinder, a pressure sensor, a controller for controlling the air pressure driven by the air cylinder and a vibration source for driving the upper pressing roller to vibrate at high frequency. The support bases are slidably arranged on two sides of the rack, the upper press roll is slidably supported on the rack through the support bases, and the air cylinder is arranged on the rack to adjust the film sticking pressure; a pressure sensor is arranged on the support to monitor the film sticking pressure in real time so as to control the film sticking pressure; meanwhile, a vibration source is arranged on each support, so that the upper press roller vibrates at high frequency when the film is pasted, the flowability of the dry film resistance agent is greatly improved, the capability and the speed of filling deep pits are improved, the adhesion force of a dry film and a copper foil is improved, the film pasting quality is ensured, and the film pasting speed is improved.

Description

Rolling film pasting device for circuit board

Technical Field

The invention belongs to the technical field of circuit board manufacturing, and particularly relates to a circuit board rolling film pasting device.

Background

In the film pasting industry, a dry film provided with a resistance agent is generally hot-pressed and pasted on a circuit board; particularly, in the dry film pasting process of a Precision Circuit Board (PCB) and a Flexible Printed Circuit (FPC), the quality of the dry film pasting is mainly limited by the uniformity and speed of temperature and pressure. The adhesion force between the dry film and the copper foil directly determines the quality of the adhesive film. The adhesion force of the dry film and the copper foil on the circuit board is in direct proportion to the pressure of the film pasting compression roller and in inverse proportion to the film pasting speed. When current pad pasting, generally be through the distance between two hot press rolls about the cylinder adjustment, pressure when adjusting the hot press roll pad pasting, this just makes pad pasting pressure difficult to control, leads to the decline of quality to at the lifting efficiency, can further influence the pad pasting quality.

Disclosure of Invention

The invention aims to provide a circuit board film rolling and pasting device, which solves the problems that the circuit board film pasting device in the prior art is difficult to control due to pressure and difficult to improve adhesion force.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a circuit board roll-in pad pasting device, including the confession membrane mechanism that is used for supplying with the dry film, be used for with two hot press rolls that dry film hot pressing laminated in the circuit board with support two the frame of hot press roll, supply membrane mechanism install in the frame, two the hot press roll is respectively for being set up compression roller and lower compression roller side by side from top to bottom, the both ends of lower compression roller respectively the hub connection in the frame, install in the frame and be used for supporting respectively the support at the both ends of going up the compression roller, each the support liftable slidable mounting in the both sides of frame, circuit board roll-in pad pasting device still including be used for promoting the cylinder that the support goes up and down, be used for monitoring go up the compression roller support presses down the pressure sensor of compression roller pressure, according to the pressure control of pressure sensor monitoring the controller of cylinder drive atmospheric pressure and be used for driving the vibration source of going up, the air cylinder is installed on the rack, the pressure sensor is installed on the supports, and the vibration source is installed on each support.

Further, the pressure sensor is installed between the cylinder and the support, and a piston of the cylinder is connected with the pressure sensor.

Furthermore, a support table is installed on the support, the pressure sensor is arranged on the support table, and the vibration source is installed on the support table.

Furthermore, the circuit board film laminating and rolling device further comprises a guide sleeve for guiding the pressure sensor to lift, the pressure sensor is installed in the guide sleeve, and the guide sleeve is installed on the support table.

Furthermore, a slide rail used for guiding the support to lift is installed on the machine frame, a slide block is installed on the support, and the slide block is installed on the slide rail in a sliding mode.

Furthermore, each hot pressing roller comprises a hot pressing roller body used for hot pressing a dry film on the circuit board, the hot pressing roller body is in a circular tube shape, a central hole is formed in the hot pressing roller body, sealing covers are respectively installed at two ends of the hot pressing roller body, a heating pipe is installed in the central hole, heat conduction oil is filled in the central hole, the heating pipe is supported at the central shaft of the central hole, and the heating pipe is fixedly connected with the sealing covers.

Furthermore, a supporting pipe is installed in the central hole, two ends of the supporting pipe are respectively connected with the two sealing covers in a sealing mode, and heat conduction oil is filled in the central hole in the area outside the supporting pipe.

Furthermore, supporting discs are arranged at two ends of the supporting tube respectively and are arranged in the central hole, the supporting discs are annular, and each supporting disc is connected with the adjacent sealing cover in a sealing mode.

Further, supply membrane mechanism including the pivot that is used for supporting dry film book, be used for with ten membrane book dry film and the separation axle of protection film separation, be used for retrieving the recovery axle and the drive of protection film retrieve the axle pivoted and retrieve the motor, the one end pin joint of pivot in the frame, the both ends pin joint of separation axle in the frame, the one end pin joint of retrieving the axle in the frame.

Furthermore, the number of the film supply mechanisms is two, and the two film supply mechanisms are respectively arranged at the upper end and the lower end of the rack.

The circuit board rolling film pasting device provided by the invention has the beneficial effects that: compared with the prior art, the film supply mechanism and the two hot-pressing rollers are arranged, so that the dry film can be attached to the circuit board when the dry film and the circuit board pass between the two hot-pressing rollers; supports are slidably mounted on two sides of the rack, the upper press roll is slidably supported on the rack through the supports, and an air cylinder is arranged on the rack to adjust the film sticking pressure; a pressure sensor is arranged on the support to monitor the film sticking pressure in real time so as to control the film sticking pressure; meanwhile, a vibration source is arranged on each support, so that the upper press roller vibrates at high frequency when the film is pasted, the flowability of the dry film resistance agent is greatly improved, the capability and the speed of filling deep pits are improved, the adhesion force of a dry film and a copper foil is improved, the film pasting quality is ensured, and the film pasting speed is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a first schematic structural diagram of a circuit board rolling and film-pasting device according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a circuit board rolling and film-pasting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram three of a circuit board rolling and film-pasting device according to an embodiment of the present invention;

FIG. 4 is a first schematic structural diagram of a portion of the circuit board roll lamination device shown in FIG. 3;

FIG. 5 is a second schematic structural diagram of a portion of the circuit board roll film-bonding apparatus shown in FIG. 3;

FIG. 6 is a first schematic view of a hot press roller in the circuit board rolling and laminating device of FIG. 5;

FIG. 7 is a second schematic structural view of a hot press roller in the circuit board rolling and laminating device of FIG. 5;

FIG. 8 is a first schematic cross-sectional view of the hot press roll shown in FIG. 7;

FIG. 9 is a second schematic cross-sectional view of the heat and pressure roll shown in FIG. 7;

fig. 10 is a schematic structural view of a frame in the circuit board roll laminating device shown in fig. 3.

Wherein, in the drawings, the reference numerals are mainly as follows:

10-hot pressing roller; 10 a-upper press roll; 10 b-a lower press roll; 11-hot pressing roller bodies; 111-a central hole; 112-a thermally conductive protective sleeve; 12-heating a tube; 13-a sealing cover; 131-shaft cylinder; 132-pillow block; 133-communicating holes; 134-a connector; 14-supporting the tube; 141-a support disk; 151-first sealing ring; 152-a second seal ring; 21-a vibration source; 31-a support; 311-upper bearing shell; 312-a support table; 313-a reinforcement plate; 314-a slide rail; 315-a slider; 32-cylinder; 321-a fixed seat; 33-a pressure sensor; 331-a guide sleeve; 34-a support seat; 341-lower bearing bush; 35-a sprocket; 41-a support plate; 411-opening a hole; 42-a blower mechanism; 43-a liquid receiving box; 431-a discharge pipe; 50-a frame; 501-opening; 51-a first mounting plate; 52-a second mounting plate; 53-connecting beam; 60-a film supply mechanism; 61-a recovery shaft; 62-a separation axis; 63-a guide shaft; 64-a recovery motor; 65-a transmission mechanism; 91-dry film roll; 92-dry film; 93-protective film.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 10, a circuit board rolling and film laminating apparatus according to the present invention will now be described. The circuit board film rolling and pasting device comprises a film supply mechanism 60, two hot pressing rollers 10, a rack 50, an air cylinder 32, a pressure sensor 33 and a controller (not shown in the figure); the film feeding mechanism 60 is used for feeding the dry film 92, and in particular, when in use, the dry film roll 91 may be disposed on the film feeding mechanism 60, and the dry film 92 in the dry film roll 91 may be fed between the two hot press rollers 10 by the film feeding mechanism 60. The two hot-pressing rollers 10 are used for hot-pressing and attaching the dry film 92 to the circuit board; the two hot press rollers 10 are an upper press roller 10a and a lower press roller 10b, and the upper press roller 10a and the lower press roller 10b are arranged side by side up and down, so that when the circuit board and the dry film 92 pass between the upper press roller 10a and the lower press roller 10b, the dry film 92 is hot pressed and attached on the circuit board. Both ends of the lower press roll 10b are respectively coupled to the frame 50 to support the lower press roll 10b through the frame 50 and to allow the lower press roll 10b to rotate in the frame 50; the frame 50 is provided with two supports 31, the two supports 31 are arranged on two sides of the frame 50 in a lifting and sliding manner, two ends of the upper press roll 10a are respectively coupled to the two supports 31 in a shaft manner, so that the upper press roll 10a is supported on the frame 50 through the two supports 31; the air cylinder 32 is installed on the frame 50, and the air cylinder 32 is used for pushing the support 31 to ascend and descend, so as to adjust the distance from the upper press roller 10a to the lower press roller 10b, and further, when a film is pasted, the pressure of the rolling can be adjusted. The pressure sensor 33 is installed on the support 31, the pressure sensor 33 is used for monitoring the pressure of the upper press roll 10a against the lower press roll 10b, and the controller controls the air cylinder 32 to drive the air pressure according to the pressure monitored by the pressure sensor 33. The pressure during the pad pasting is monitored in real time through the pressure sensor 33 to make the controller can in time adjust the drive atmospheric pressure of cylinder 32, and then the pressure during the control pad pasting promotes the pad pasting quality. Each support 31 is provided with a vibration source 21, the vibration source 21 is used for generating vibration energy with certain frequency, amplitude and exciting force to drive the upper press roller 10a to vibrate at high frequency, and then when the film is pasted, the vibration energy is transmitted to the dry film 92 resistance agent, so that fine particles in the dry film 92 resistance agent are in a forced vibration state, the adhesive force and the internal friction force between the particles are greatly reduced, the fluidity of the dry film 92 resistance agent is improved, the adhesive force between the dry film 92 and the copper foil is improved, and the film pasting quality is ensured and the film pasting speed is improved.

Compared with the prior art, the film supply mechanism 60 and the two hot-pressing rollers 10 are arranged, so that the dry film 92 can be attached to the circuit board when the dry film 92 and the circuit board pass between the two hot-pressing rollers 10; the supports 31 are arranged on two sides of the frame 50 in a sliding mode, the upper press roll 10a is supported on the frame 50 in a sliding mode through the supports 31, and the air cylinder 32 is arranged on the frame 50 to adjust the film sticking pressure; the pressure sensor 33 is arranged on the support 31 to monitor the pressure of the upper pressing roller 10a against the lower pressing roller 10b, so that when the circuit board passes between the upper pressing roller 10a and the lower pressing roller 10b, the rolling pressure can be monitored in real time, and the driving pressure of the air cylinder 32 is controlled in real time through the controller, thereby ensuring the processing quality of the circuit board; and set up vibration source 21 on each support 31 to when the pad pasting, make the top roll high-frequency vibration, the vibration energy transmits for the dry film 92 resistance agent, makes the fine particle in the dry film 92 resistance agent all be in the forced vibration state, and then makes the adhesive force and the internal friction between the granule greatly reduced, and the mobility of dry film 92 resistance agent improves by a wide margin, thereby has improved the ability and the speed of landfill deep hole, promotes the adhesion force of dry film 92 and copper foil, and then guarantees the pad pasting quality and promotes the pad pasting speed.

Further, referring to fig. 1 to fig. 3, as a specific embodiment of the circuit board film rolling and laminating device provided by the present invention, there are two sets of film supplying mechanisms 60, and the two sets of film supplying mechanisms 60 are respectively disposed at the upper and lower ends of the frame, so as to simultaneously supply dry films 92 to both sides of the circuit board during film laminating, thereby realizing simultaneous film laminating of both sides of the circuit board.

Further, referring to fig. 1 to 3, as an embodiment of the circuit board film rolling and laminating apparatus provided by the present invention, the film supplying mechanism 60 includes a rotating shaft (not shown), a separating shaft 62, a recycling shaft 61 and a recycling motor 64; one end of the rotating shaft is pivoted on the frame 50, two ends of the separating shaft 62 are pivoted on the frame 50, and one end of the recycling shaft 61 is pivoted on the frame 50. The rotating shaft is used for supporting the dry film roll 91, the separating shaft 62 is used for separating the dry film 92 on the ten-film roll from the protective film 93, the recovery shaft 61 is used for recovering the protective film 93, and the recovery motor 64 drives the recovery shaft 61 to rotate; when the dry film recovery device is used, the dry film roll 91 is placed on the rotating shaft, the protective film 93 is wound on the recovery shaft 61 after passing through the separation shaft 62, the dry film 92 is placed between the upper pressing roller 10a and the lower pressing roller 10b through the separation shaft 62, the recovery motor 64 drives the recovery shaft 61 to rotate, when the upper pressing roller 10a and the lower pressing roller 10b rotate, the dry film 92 is pulled, and meanwhile, the protective film 93 is pulled by the recovery shaft 61 to be recovered.

Further, referring to fig. 1 to 3 together, as an embodiment of the circuit board film rolling and laminating device provided by the present invention, the film supplying mechanism 60 further includes a guiding shaft 63, two ends of the guiding shaft 63 are respectively pivoted to the frame, the guiding shaft 63 is disposed at the front side of the hot press rolls, so as to guide the dry film 92 after the protective film 93 is separated, and to guide the dry film 92 between the two hot press rolls.

Further, referring to fig. 1 to fig. 3, as an embodiment of the circuit board film rolling and laminating device provided by the present invention, the film supplying mechanism 60 further includes a transmission mechanism 65, and two ends of the transmission mechanism 65 are respectively connected to the recycling motor 64 and the recycling shaft 61, so that the recycling motor 64 drives the recycling shaft 61 to rotate via the transmission mechanism 65.

Further, the transmission mechanism 65 includes a driving pulley connected to the recovery motor 64, a driven pulley connected to the recovery shaft 61, and a belt connecting the driving shaft and the driven shaft. Of course, in other embodiments, other drive mechanisms 65 may be used, such as a gearbox or the like.

Further, referring to fig. 1 to 5, as an embodiment of the circuit board roll lamination device according to the present invention, the vibration source 21 is an air vibration element to generate vibration by compression. Of course, in other embodiments, the vibration source 21 may be an electric vibration motor or an ultrasonic vibrator. The vibration source 21 may be driven by pneumatic, electric, ultrasonic, or the like.

Further, referring to fig. 1 to 5, as an embodiment of the circuit board film rolling and laminating apparatus provided by the present invention, a support base 312 is installed on the support base 31, the pressure sensor 33 is disposed on the support base 312, and the vibration source 21 is installed on the support base 312. The support 312 is provided to mount and support the vibration source 21 and the pressure sensor 33.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board rolling film-pasting device provided by the present invention, a reinforcing plate 313 is further installed on the support 31, and the support 312 is installed on the reinforcing plate 313. A reinforcing plate 313 is provided to more stably fix the support table 312 to the support 31.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board rolling and film-pasting device provided by the present invention, a slide rail 314 for guiding the support 31 to move up and down is installed on the frame 50, a slide block 315 is installed on the support 31, and the slide block 315 is slidably installed on the slide rail 314. A slide rail 314 is provided on the frame 50 to guide the support 31 to move up and down, thereby driving the upper press roller 10a to move smoothly.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board film rolling and laminating apparatus provided by the present invention, the support 31 is disposed at an outer side of the frame 50, and an opening 501 for extending an end of the upper press roller 10a is formed on the frame 50 corresponding to the upper press roller 10 a. This structure not only facilitates the mounting of the support 31, but also facilitates the layout of the cylinder 32. An opening 501 is provided in the frame 50 so that the end of the upper pressure roller 10a moves up and down in the opening 501.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board film rolling and laminating apparatus according to the present invention, the frame 50 is provided with supporting seats 34 for supporting two ends of the lower roller 10 b. The support base 34 is provided on the frame 50 to support the lower press roller 10b on the frame 50 for easy assembly.

Further, referring to fig. 4 and 5, as a specific embodiment of the circuit board film rolling and laminating device provided by the present invention, a sprocket 35 is installed at one end of each hot press roller 10, so as to connect a driving motor through a chain, thereby conveniently driving two hot press rollers 10 to rotate; the chain is arranged and connected by the chain, so that the cylinder 32 can drive the upper press roll 10a to rotate while driving the upper press roll 10a to lift.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board rolling film pasting device provided by the present invention, a pressure sensor 33 is installed between the cylinder 32 and the support 31, and a piston of the cylinder 32 is connected to the pressure sensor 33. The pressure sensor 33 is pushed by the air cylinder 32, and then the support 31 is pushed by the pressure sensor 33, so that the upper press roller 10a is pushed to move, and the pressure sensor 33 can conveniently monitor the film sticking pressure. Of course, in other embodiments, a stop structure may be mounted on the frame 50 to press against the pressure sensor 33 to monitor the pressure of the film

Further, referring to fig. 4 and 5, as an embodiment of the circuit board rolling film-pasting device provided by the present invention, the circuit board rolling film-pasting device further includes a guide sleeve 331 for guiding the pressure sensor 33 to move up and down, the pressure sensor 33 is installed in the guide sleeve 331, and the guide sleeve 331 is installed on the support table 312. Set up guide sleeve 331, when pressure sensor 33 goes up and down to move, can play the guide effect to pressure sensor 33 monitors more accurately, and in addition, guide sleeve 331 can also play the effect of protection pressure sensor 33.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board film rolling and laminating apparatus provided by the present invention, an upper shaft hole (not shown) is formed in each support 31, an upper bushing 311 is disposed in the upper shaft hole, and the upper bushing 311 is sleeved on the upper press roller 10 a. The upper bearing bush 311 is disposed in the upper shaft hole to reduce friction, so that the upper press roller 10a can rotate relative to the support 31, and the support 31 can support the upper press roller 10a more stably by using the upper bearing bush 311, so as to reduce vibration between the support 31 and the upper press roller 10a, and further facilitate the pressure sensor 33 to monitor the pressure during film pasting more accurately. Of course, in other embodiments, a bearing may be installed in the upper shaft hole, and the bearing is sleeved on the upper press roll 10 a.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board rolling and film-pasting device provided by the present invention, the two supports 31 are both provided with a pressure sensor 33, and two sides of the frame 50 are respectively provided with an air cylinder 32. Two air cylinders 32 are arranged to push the supports 31 at the two ends of the upper press shaft respectively, so that the two sides of the upper press roller 10a can be kept to be lifted stably, and the upper press roller 10a is ensured to be parallel to the lower press roller 10 b. In addition, the pressure sensor 33 is provided on each support 31, so that the pad pasting pressure can be monitored more accurately.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board film rolling and laminating apparatus according to the present invention, a lower shaft hole (not shown) is formed in the supporting seat 34, a lower bushing 341 is disposed in the lower shaft hole, and the lower bushing 341 is sleeved on the lower press roller 10 b. The lower bearing 341 is disposed in the lower shaft hole to reduce friction force, so that the lower press roller 10b can rotate flexibly relative to the support seat 34. Of course, in other embodiments, a bearing may be installed in the lower shaft hole, and the bearing is sleeved on the lower press roll 10 b.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board film rolling and laminating apparatus provided by the present invention, a supporting plate 41 for supporting the circuit board after the film is laminated is further installed on the frame 50, and the supporting plate 41 is located at a corresponding position between the two hot pressing rollers 10, so as to support the circuit board during the film lamination and to thermally press the film.

Further, referring to fig. 4 and 5, as an embodiment of the circuit board film rolling and laminating device provided by the present invention, the frame 50 is further provided with an air blowing mechanism 42 for air-drying the circuit board after film lamination, so that after the film lamination is performed, the circuit board and the dry film 92 are cooled, and the dry film 92 is shaped more quickly.

Further, a fixing seat 321 is installed on the frame 50, and the air cylinder 32 is installed on the fixing seat 321, so as to fix the air cylinder 32 on the frame 50.

Furthermore, there are two sets of blower mechanisms 42, and the two sets of blower mechanisms 42 are respectively located at the upper and lower sides of the support, so that when the films are pasted on the two sides, the dry films 92 on the two sides of the circuit board are simultaneously blown, cooled and shaped.

Further, the supporting plate 41 is opened with a plurality of openings 411 to reduce the weight, and the vibration of the supporting plate 41 is reduced by passing the air flow through the supporting plate 41.

Further, the blower mechanism 42 includes a support box mounted on the rack 50 and a fan mounted in the support box to mount the fan on the rack 50 through the support box.

Further, a liquid receiving box 43 is mounted on the frame 50, and the liquid receiving box 43 is arranged below the lower pressing roller 10b to recover moisture on the circuit board during film pasting. Further, a drain pipe 431 is installed on the liquid receiving box 43 to drain the recovered moisture.

Further, referring to fig. 6 to 9, as an embodiment of the circuit board film rolling and pasting device provided by the present invention, each hot pressing roller 10 includes a hot pressing roller body 11 and a heating pipe 12, the hot pressing roller body 11 is in a circular tube shape, the hot pressing roller body 11 has a central hole 111, and when the circuit board is manufactured into a film, the dry film 92 is hot pressed on the circuit board by the hot pressing roller body 11. The heating pipe 12 is installed in the central hole 111, and the heating pipe 12 is supported at the central axis of the central hole 111; the two ends of the hot pressing roller body 11 are respectively provided with the sealing covers 13, so as to seal the central hole 111 of the hot pressing roller body 11, and the central hole 111 of the hot pressing roller body 11 is filled with heat conduction oil, so that the two sealing covers 13 seal the heat conduction oil in the central hole 111 of the hot pressing roller body 11, and because the central hole 111 is internally provided with the heating pipe 12, and the heating pipe 12 is arranged at the central shaft of the central hole 111, the heating pipe 12 is prevented from directly heating the pressing roller 11, the heat conduction oil is heated through the heating pipe 12, and the heat conduction oil can flow in the central hole 111 due to temperature difference, so that the temperatures of all parts of the heat conduction oil can be more uniform, and further when the heat conduction oil conducts heat to the hot pressing roller body 11, all parts of the side. The heating pipe 12 is fixedly connected with a sealing cover 13 to support the heating pipe 12 through the sealing cover 13.

Further, referring to fig. 6 to 9 together, as a specific embodiment of the circuit board film rolling and pasting device provided by the present invention, a supporting tube 14 is installed in a central hole 111 of the hot pressing roller body 11, two ends of the supporting tube 14 are respectively connected with two sealing caps 13 in a sealing manner, and heat conducting oil is filled in the central hole 111 of the hot pressing roller body 11 in a region outside the supporting tube 14. The supporting tube 14 is supported by the sealing cover 13, and the heating tube 12 is placed in the supporting tube 14, so that the heating tube 12 can be supported by the supporting tube 14, the assembly is convenient, and the heating tube 12 can be better supported. In addition, the structure can also play a role in protecting the heating pipe 12, and the heat conduction oil is prevented from corroding the heating pipe 12. Of course, in other embodiments, the heating tube 12 may be directly fixed to the sealing caps 13, for example, one heating tube 12 is supported on each sealing cap 13; of course, it is also possible to provide the heating tube 12 with a length equal to that of the hot-pressing roller 11, and fixedly connect both ends of the heating tube 12 to the two sealing caps 13 to support the heating tube 12.

Further, referring to fig. 6 to 9, as a specific embodiment of the circuit board rolling film-pasting device provided by the present invention, a communication hole 133 is formed in the center of each sealing cover 13, and the communication hole 133 on the sealing cover 13 is communicated with the supporting tube 14, so that the heating tube 12 can be conveniently inserted into the supporting tube 14, the heating tube 12 can be conveniently assembled, and the heating tube 12 can be conveniently maintained and replaced.

Further, the length of the heating tube 12 is greater than that of the hot-pressing roller body 11, and both ends of the heating tube 12 are inserted into the supporting holes of the corresponding sealing covers 13, respectively, so as to support the heating tube 12.

Further, referring to fig. 6 to 9, as an embodiment of the circuit board rolling film device provided by the present invention, supporting discs 141 are respectively disposed at two ends of the supporting tube 14, the supporting discs 141 are disposed in the central hole 111, the supporting discs 141 are annular, and each supporting disc 141 is connected to the adjacent sealing cover 13 in a sealing manner. An annular support plate 141 is provided to support the support pipe 14 at the central axis of the central hole 111 of the hot press roller body 11, and further to support the heating pipe 12 at the central axis of the central hole 111 of the hot press roller body 11; and the structure also facilitates the sealing connection of the two sealing covers 13 with the two ends of the supporting pipe 14. In addition, the supporting plates 141 are arranged at the two ends of the supporting tube 14, so that the supporting plates 141 can be prevented from directly heating the side surface of the press roll 11, and the side surface of the hot-pressing roll body 11 is heated by heat-conducting oil, so that the side surface of the hot-pressing roll body 11 is heated more uniformly.

Further, referring to fig. 6 to 9, as an embodiment of the circuit board rolling film device provided by the present invention, the supporting plate 141 and the supporting tube 14 are integrally formed to ensure good connection strength between the supporting plate 141 and the supporting tube 14, and the supporting plate 141 and the supporting tube 14 are connected in a sealing manner.

Further, referring to fig. 6 to 9, as an embodiment of the circuit board film rolling and laminating apparatus provided by the present invention, the hot pressing roller 11 is made of aluminum, that is, the hot pressing roller 11 is an aluminum hot pressing roller 11. Due to the good heat conducting property of the aluminum material, the heat conducting oil can heat the press roller 11 better. Specifically, the hot-pressing roller 11 may be made of AL7075 material.

Further, referring to fig. 6 to 9, as an embodiment of the circuit board rolling and film-pasting device provided by the present invention, the supporting tube 14 is made of aluminum, that is, the supporting tube 14 is made of aluminum. Due to the good heat conduction performance of the aluminum material, the heating pipe 12 can heat the supporting pipe 14 well, and therefore the heat conduction oil is heated through the supporting pipe 14. Specifically, the support tube 14 may be made of AL 7075.

Further, referring to fig. 6 to 9, as a specific embodiment of the circuit board film rolling and pasting device provided by the present invention, a second sealing ring 152 is disposed between two end surfaces of the hot pressing roller 11 and the adjacent sealing cover 13, and second positioning grooves (not shown) for positioning the second sealing ring 152 are respectively disposed on two end surfaces of the hot pressing roller 11. The second seal ring 152 is provided to seal between the end surface of the hot-pressing roller body 11 and the corresponding seal cover 13 well, and at the same time, the machining accuracy of machining the end surface of the hot-pressing roller body 11 and the seal cover 13 can be reduced. And a second positioning groove is arranged on the end surface of the hot-pressing roller body 11, so that the second sealing ring 152 can be positioned conveniently for assembly. In other embodiments, the sealing cover 13 may be matched with the plane of the end surface of the hot-pressing roller 11, and the sealing cover 13 may be tightly matched with the end surface of the hot-pressing roller 11, so as to seal between the sealing cover 13 and the end surface of the hot-pressing roller 11. In other embodiments, a second positioning groove may be provided on the sealing cover 13 to position the second sealing ring 152.

Further, referring to fig. 6 to 9, as an embodiment of the circuit board film rolling and pasting device provided by the present invention, a shaft tube 131 is disposed on an outer side surface of each sealing cover 13, the shaft tube 131 is located at a center of the corresponding sealing cover 13, and the shaft tube 131 is disposed coaxially with the hot-pressing roller 11, so that the hot-pressing roller 11 is rotatably supported by the shaft tube 131

Further, referring to fig. 6 to 9, as a specific embodiment of the circuit board film rolling and pasting device provided by the present invention, a shaft sleeve 131 is provided with a shaft connecting platform 132, the shaft connecting platform 132 is formed by extending the side surface of the supporting shaft outward along the radial direction of the supporting shaft, and the shaft connecting platform 132 is annular, so as to facilitate processing and manufacturing, and is also convenient to be installed on a medium such as a fixing plate, etc. to support the hot pressing roller 11, and facilitate the rotation of the hot pressing roller 11.

Further, the sealing cover 13, the shaft tube 131 and the supporting shaft are integrally formed to increase the connecting strength of the sealing cover 13 and the supporting shaft, and at the same time, to facilitate the manufacturing.

Further, the free end of at least one shaft tube 131 is provided with a connector 134 to connect with an external motor, so as to drive the hot pressing roller 11 to rotate. In this embodiment, a coupling head 134 is disposed on one of the barrels 131. In other embodiments, the connectors 134 may be provided on both of the shafts 131.

Further, referring to fig. 6 to 9, as a specific embodiment of the circuit board film rolling and pasting device provided by the present invention, a heat conductive protective sleeve 112 is sleeved on the hot pressing roller 11. The heat-conducting protective sleeve 112 is arranged on the hot-pressing roller body 11, and can play a role in protecting the hot-pressing roller body 11. Preferably, the heat conductive protective sleeve 112 may be a copper sleeve to provide good heat conduction, and the dry film 92 may be attached to the circuit board. In other embodiments, the heat conductive protective sleeve 112 may also be a heat conductive rubber sleeve to play a role of elastic buffering, so that the dry film 92 can be better attached to the circuit board, and the circuit board can be prevented from being crushed. In still other embodiments, the thermally conductive protective sleeve 112 may also be an aluminum sleeve.

Further, referring to fig. 10, as an embodiment of the circuit board rolling and film-pasting device provided by the present invention, the frame 50 includes a first mounting plate 51, a second mounting plate 52, and a connecting beam 53 connecting the first mounting plate 51 and the second mounting plate 52. The frame of the structure has the advantages of simple structure, convenient processing and manufacturing and low cost. Further, the second mounting plate 52 has a height greater than that of the first mounting plate 51 so that the recovery shaft 61 and the end of the rotation shaft are mounted on the second mounting plate 52. Of course, in other embodiments, the structures of the first mounting plate 51 and the second mounting plate 52 may be the same.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Circuit board roll-in pad pasting device, including the confession membrane mechanism that is used for supplying with the dry film, be used for with two hot pressing roller and the support of dry film hot pressing laminating in the circuit board are two the frame of hot pressing roller, supply membrane mechanism install in the frame, two the hot pressing roller is respectively for being about setting up compression roller and lower compression roller, its characterized in that side by side down: the both ends of lower compression roller respectively the coupling in the frame, install respectively in the frame and be used for supporting the support at the both ends of last compression roller, each support liftable slidable mounting in the both sides of frame, circuit board roll-in pad pasting device is still including being used for promoting the cylinder that the support goes up and down, be used for monitoring go up the compression roller and support and press down the pressure sensor of compression roller pressure, according to the pressure control of pressure sensor monitoring the controller of cylinder drive atmospheric pressure and be used for the drive go up the vibration source of compression roller high-frequency vibration, the cylinder install in the frame, pressure sensor install in on the support, each install on the support the vibration source.

2. The circuit board roll lamination device of claim 1, wherein: the pressure sensor is arranged between the cylinder and the support, and the piston of the cylinder is connected with the pressure sensor.

3. The circuit board roll lamination device according to claim 2, wherein: the support is provided with a support table, the pressure sensor is arranged on the support table, and the vibration source is arranged on the support table.

4. The circuit board roll lamination device according to claim 3, wherein: the circuit board film laminating rolling device further comprises a guide sleeve used for guiding the pressure sensor to lift, the pressure sensor is installed in the guide sleeve, and the guide sleeve is installed on the supporting table.

5. The circuit board roll lamination device according to any one of claims 1 to 5, wherein: the rack is provided with a slide rail for guiding the support to lift, the support is provided with a slide block, and the slide block is slidably arranged on the slide rail.

6. The circuit board roll lamination device according to any one of claims 1 to 5, wherein: each hot pressing roller comprises a hot pressing roller body used for hot pressing a dry film on a circuit board, the hot pressing roller body is in a circular tube shape, a central hole is formed in the hot pressing roller body, sealing covers are respectively installed at two ends of the hot pressing roller body, a heating pipe is installed in the central hole, heat conduction oil is filled in the central hole, the heating pipe is supported at the central shaft of the central hole, and the heating pipe is fixedly connected with the sealing covers.

7. The circuit board roll lamination device according to claim 6, wherein: the central hole is internally provided with a supporting pipe, two ends of the supporting pipe are respectively connected with the two sealing covers in a sealing way, and the central hole is filled with the heat conducting oil in the area outside the supporting pipe.

8. The circuit board roll lamination device according to claim 7, wherein: supporting discs are arranged at two ends of the supporting tube respectively and are arranged in the central hole, the supporting discs are annular, and each supporting disc is connected with the adjacent sealing cover in a sealing mode.

9. The circuit board roll lamination device according to any one of claims 1 to 5, wherein: support membrane mechanism including be used for supporting the pivot that the dry film was rolled up, be used for with ten membrane rolls up the separation axis of dry film and protection film separation, is used for retrieving the recovery axle and the drive of protection film retrieve the axle pivoted and retrieve the motor, the one end pin joint of pivot in the frame, the both ends pin joint of separation axis in the frame, the one end pin joint of retrieving the axle in the frame.

10. The circuit board roll lamination device according to any one of claims 1 to 5, wherein: the film supply mechanisms are two sets, and the two sets of film supply mechanisms are respectively arranged at the upper end and the lower end of the rack.

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