A film pulling device

Abstract

The present invention relates to the field of mechanical device technology, and in particular to a coating pulling device, which includes a mounting platform, a positioning device is movably provided on the upper surface of the mounting platform, and a pulling mechanism is movably provided on the lower surface of the mounting platform, and the pulling mechanism includes a plurality of pulling components for pulling a film sheet arranged around the outer periphery of the central portion of the lower surface of the mounting platform. The utility model can realize precise positioning, and at the same time, the pulling component can be used to pull the coating film, so that the coating film is flattened to prevent wrinkles, improve the accuracy and reliability of the coating film on the copper plate, and have good coating quality. The present invention has a novel structure and a clever design.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical devices, and in particular to a coating pulling device. Background Art

[0002] Printed circuit boards are important electronic components, supporting bodies for electronic components, and carriers for electrical connections of electronic components. Printed circuit boards have developed from single-layer to double-sided, multi-layer and flexible, and they still maintain their own development trends. As they continue to develop in the direction of high precision, high density and high reliability, they continue to reduce their size, reduce costs and improve performance, making them still maintain strong vitality in the development of future electronic equipment. Among them, printed circuit boards need to be coated before exposure. When the prior art device coats the copper plate of the printed circuit board, it is generally necessary to align the mark points (MARK points) of the copper plate and the through holes of the covering film before coating. However, wrinkles are easily generated during coating, which affects the coating quality and product quality. Summary of the invention

[0003] In view of the problems of the prior art, the present invention provides a coating pulling device, which can achieve precise positioning. At the same time, a pulling component can be used to pull the covering film, so that the covering film is flattened to prevent wrinkles, thereby improving the accuracy and reliability of the covering film when coating on a copper plate. The coating quality is good. The present invention has a novel structure and a clever design.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The present invention provides a coating pulling device, comprising a mounting platform, wherein a positioning device is movably provided on the upper surface of the mounting platform, and a pulling mechanism is movably provided on the lower surface of the mounting platform. The pulling mechanism comprises a plurality of pulling components for pulling the film and arranged around the outer periphery of the central portion of the lower surface of the mounting platform.

[0006] Among them, the pulling assembly includes a fixed plate, a driving member, a sliding plate and an adsorption plate, the fixed plate is fixedly mounted on the lower end surface of the mounting platform, the driving member is mounted on the lower end surface of the fixed plate, the sliding plate is slidably arranged on the lower end surface of the fixed plate, the driving member is used to drive the sliding plate to reciprocate, and the adsorption plate is mounted on the lower end surface of the sliding plate.

[0007] Wherein, the adsorption plate is evenly distributed with a plurality of vacuum adsorption holes.

[0008] Among them, a plurality of heating welding heads are arranged at equal intervals on one side of the adsorption plate away from the central part of the lower end surface of the mounting platform.

[0009] Among them, a buffer assembly is arranged between the adsorption plate and the sliding plate, and the buffer assembly includes a buffer plate and a plurality of elastic members. A plurality of movable latches are arranged on the buffer plate, and the movable latches are movably passed through the sliding plate. A plurality of elastic members are evenly distributed between the buffer plate and the sliding plate, and both ends of the elastic members are respectively connected to the buffer plate and the sliding plate. The adsorption plate is installed on the lower end surface of the buffer plate.

[0010] Wherein, the elastic member is a spring.

[0011] Wherein, a limiting portion is arranged at the top end of the movable latch.

[0012] Among them, the middle parts of the fixed plate, the sliding plate, the buffer plate and the adsorption plate are all provided with windows penetrating therethrough, and the windows of the adsorption plate are provided with transparent glass.

[0013] Wherein, the positioning device includes multiple positioning components, each positioning component corresponds to each pulling component one by one; each positioning component includes a CCD visual detector, an x-axis driving mechanism for driving the CCD visual detector to reciprocate along the x-axis direction, and a y-axis driving mechanism for driving the CCD visual detector to reciprocate along the y-axis direction.

[0014] Wherein, the x-axis driving mechanism comprises a first slide, a first motor and a first transmission screw, the y-axis driving mechanism comprises a second slide, a second motor and a second transmission screw, the first motor is mounted on the second slide, the output end of the first motor is transmission-connected to one end of the first transmission screw, the other end of the first transmission screw is rotationally connected to the second slide, the first slide is sleeved on the outer periphery of the first transmission screw and transmission-connected to the first transmission screw, and the CCD visual detector is fixed on the first slide;

[0015] The second motor is fixed on the mounting platform, the output end of the second motor is transmission-connected to one end of the second transmission screw, the other end of the second transmission screw is rotationally connected to the mounting platform, and the second slide seat is sleeved on the outer periphery of the second transmission screw and transmission-connected to the second transmission screw.

[0016] Beneficial effects of the present invention:

[0017] When the present invention is working, that is, when laminating the circuit board, the through holes of the covering film and the marking points (MARK points) of the copper plate are first covered by the positioning device to achieve precise positioning. At the same time, the pulling component can be used to pull the covering film, so that the covering film is flattened to prevent wrinkles, thereby improving the accuracy and reliability of the covering film when laminating on the copper plate, and the laminating quality is good. The present invention has a novel structure and a clever design. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a film-coating pulling device of the present invention.

[0019] Figure 2 It is a schematic structural diagram of a coating pulling device of the present invention from another viewing angle.

[0020] Figure 3 It is a schematic structural diagram of the positioning component of the present invention.

[0021] Figure 4 It is a schematic structural diagram of the pulling assembly of the present invention.

[0022] Figure 5 It is a schematic structural diagram of the pulling assembly of the present invention from another perspective.

[0023] exist Figures 1 to 5 Reference numerals in the drawings include:

[0024] 1—Installation platform 2—Positioning device 3—Pulling mechanism

[0025] 4—Pull assembly 5—Fixed plate 6—Driver

[0026] 7—sliding plate 8—adsorption plate 9—vacuum adsorption hole

[0027] 10—heating welding head 11—buffer plate 12—elastic part

[0028] 13—movable latch 14—limiting part 15—transparent glass

[0029] 16 - positioning component 17 - CCD visual detector 18 - first slide

[0030] 19—first motor 20—first transmission screw 21—second slide

[0031] 22—second motor 23—second transmission screw. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0033] A film pulling device, such as Figures 1 to 5As shown, it includes a mounting platform 1, a positioning device 2 is movably provided on the upper end surface of the mounting platform 1, and a pulling mechanism 3 is movably provided on the lower end surface of the mounting platform 1, and the pulling mechanism 3 includes a plurality of pulling components 4 for pulling the film and arranged around the outer periphery of the central part of the lower end surface of the mounting platform 1. Specifically, when the present invention is working, that is, when laminating the circuit board, the through holes of the covering film and the marking points (MARK points) of the copper plate are first covered by the positioning device 2, so that accurate positioning can be achieved, and at the same time, the pulling component 4 can be used to pull the covering film, so that the covering film is flattened to prevent wrinkles, improve the accuracy and reliability of the covering film when laminating on the copper plate, and the laminating quality is good. The present invention has a novel structure and a clever design.

[0034] The present embodiment describes a film pulling device, wherein the pulling assembly 4 includes a fixed plate 5, a driving member 6, a sliding plate 7 and an adsorption plate 8, wherein the fixed plate 5 is fixedly mounted on the lower end surface of the mounting platform 1, the driving member 6 is mounted on the lower end surface of the fixed plate 5, the sliding plate 7 is slidably mounted on the lower end surface of the fixed plate 5, the driving member 6 is used to drive the sliding plate 7 to move back and forth, and the adsorption plate 8 is mounted on the lower end surface of the sliding plate 7. Specifically, the sliding plate 7 is driven to move back and forth by the driving member 6, and the adsorption plate 8 is used to absorb the covering film, so as to pull and flatten the covering film, which is convenient to use. The driving member 6 can be a stepping motor in the prior art that cooperates with a transmission mechanism to drive the sliding plate 7 to move; preferably, the pulling assembly 4 is provided with four, and the driving member 6 drives the sliding plate 7 to slide, thereby driving the adsorption plate 8 to pull the covering film, wherein the driving member 6 drives the adsorption plate 8 to pull and slide in a direction preferably toward the corners of the covering film.

[0035] In the film pulling device described in this embodiment, the adsorption plate 8 is evenly distributed with a plurality of vacuum adsorption holes 9. Specifically, the plurality of vacuum adsorption holes 9 are connected to a vacuum air source, and vacuuming by the vacuum air source is a prior art, which will not be described here. By vacuuming the vacuum adsorption holes 9, the adsorption plate 8 can adsorb the external covering film, which is convenient to use.

[0036] In the present embodiment, a coating pulling device is provided with a plurality of heating welding heads 10 at equal intervals on one side of the adsorption plate 8 away from the center of the lower end surface of the mounting platform 1. Specifically, the plurality of heating welding heads 10 are arranged at equal intervals, so that the adsorption plate 8 can achieve point heating when coating the copper plate. Compared with the conventional technology, the conventional technology heats the entire surface of the adsorption plate 8, which easily causes deformation of the coating film due to thermal expansion and contraction after coating. The present invention has a plurality of heating welding heads 10 arranged at equal intervals to achieve point heating, prevent deformation of the coating film due to thermal expansion and contraction caused by heating the entire surface, and is reliable to use and has a better coating effect.

[0037] In the coating pulling device described in this embodiment, a buffer assembly is provided between the adsorption plate 8 and the sliding plate 7, and the buffer assembly includes a buffer plate 11 and a plurality of elastic members 12. The buffer plate 11 is provided with a plurality of movable latches 13, and the movable latches 13 are movably inserted into the sliding plate 7. The plurality of elastic members 12 are evenly distributed between the buffer plate 11 and the sliding plate 7, and the two ends of the elastic members 12 are respectively connected to the buffer plate 11 and the sliding plate 7, and the adsorption plate 8 is mounted on the lower end surface of the buffer plate 11. Specifically, the buffer assembly provided above can make the adsorption plate 8 of the present invention pressed against the copper plate by an external driving unit after the adsorption plate 8 of the present invention adsorbs the covering film, and the buffer plate 11 cooperates with the elastic members 12 to achieve a buffering effect, prevent excessive force when pressing the covering film, and improve stability. In addition, the provision of the movable latches 13 ensures that the relative position between the sliding plate 7 and the buffer plate 11 is stable and reliable.

[0038] In the coating pulling device described in this embodiment, the elastic member 12 is a spring.

[0039] In the film pulling device described in this embodiment, the movable latch 13 passes through the sliding plate 7 and is provided with a limiting portion 14. Specifically, the above arrangement can prevent the sliding plate 7 from separating from the buffer plate 11, limit the maximum buffering range of the buffer plate 11 and the sliding plate 7, and the structure is reliable.

[0040] In the film pulling device described in this embodiment, windows are provided through the middle of the fixed plate 5, the middle of the sliding plate 7, the middle of the buffer plate 11, and the middle of the adsorption plate 8, and transparent glass 15 is installed at the window of the adsorption plate 8. Specifically, the above arrangement facilitates the positioning device 2 to align the mark point (MARK point) of the copper plate and the through hole of the covering film through the windows of the fixed plate 5, the sliding plate 7, the buffer plate 11, and the adsorption plate 8. The transparent glass 15 ensures that the surface of the adsorption plate 8 is flat, and ensures the stability and reliability of the adsorption covering film.

[0041] In the film pulling device described in this embodiment, the positioning device 2 includes a plurality of positioning components 16, each positioning component 16 corresponds to each pulling component 4 one by one; each positioning component 16 includes a CCD visual detector 17, an x-axis driving mechanism for driving the CCD visual detector 17 to move back and forth along the x-axis direction, and a y-axis driving mechanism for driving the CCD visual detector 17 to move back and forth along the y-axis direction. Specifically, the CCD visual detector 17 is used to align the marking point (MARK point) of the copper plate and the through hole of the covering film, and the x-axis driving mechanism and the y-axis driving mechanism are used to drive the CCD visual detector 17 to move and align. Combined with the setting of the pulling mechanism 3, it is possible to achieve alignment and adjustment at the same time, which is convenient to use and has high work efficiency.

[0042] A coating pulling device described in this embodiment, the x-axis driving mechanism includes a first slide 18, a first motor 19 and a first transmission screw 20, the y-axis driving mechanism includes a second slide 21, a second motor 22 and a second transmission screw 23, the first motor 19 is installed on the second slide 21, the output end of the first motor 19 is transmission-connected to one end of the first transmission screw 20, the other end of the first transmission screw 20 is rotationally connected to the second slide 21, the first slide 18 is sleeved on the outer periphery of the first transmission screw 20 and is transmission-connected to the first transmission screw 20, and the CCD visual detector 17 is fixed on the first slide 18;

[0043] The second motor 22 is fixed on the mounting platform 1, the output end of the second motor 22 is transmission-connected to one end of the second transmission screw 23, the other end of the second transmission screw 23 is rotationally connected to the mounting platform 1, and the second slide seat 21 is sleeved on the outer periphery of the second transmission screw 23 and transmission-connected to the second transmission screw 23.

[0044] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent changes and modifications made to the above embodiments according to the technology of the present invention are within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. A film pulling device, characterized in that: It comprises a mounting platform, wherein the upper end surface of the mounting platform is movably provided with a positioning device, and the lower end surface of the mounting platform is movably provided with a pulling mechanism, wherein the pulling mechanism comprises a plurality of pulling components for pulling the membrane arranged around the outer periphery of the central part of the lower end surface of the mounting platform; The pulling assembly includes a fixed plate, a driving member, a sliding plate and an adsorption plate, wherein the fixed plate is fixedly mounted on the lower end surface of the mounting platform, the driving member is mounted on the lower end surface of the fixed plate, the sliding plate is slidably arranged on the lower end surface of the fixed plate, the driving member is used to drive the sliding plate to reciprocate, and the adsorption plate is mounted on the lower end surface of the sliding plate; The adsorption plate is evenly distributed with a plurality of vacuum adsorption holes; The positioning device includes multiple positioning components, each positioning component corresponds to each pulling component one by one; each positioning component includes a CCD visual detector, an x-axis driving mechanism for driving the CCD visual detector to reciprocate along the x-axis direction, and a y-axis driving mechanism for driving the CCD visual detector to reciprocate along the y-axis direction.

2. A film pulling device according to claim 1, characterized in that: A plurality of heating welding heads are arranged at equal intervals on one side of the adsorption plate away from the central portion of the lower end surface of the mounting platform.

3. A film pulling device according to claim 1, characterized in that: A buffer assembly is arranged between the adsorption plate and the sliding plate, and the buffer assembly includes a buffer plate and a plurality of elastic members. A plurality of movable latches are arranged on the buffer plate, and the movable latches are movably passed through the sliding plate. A plurality of elastic members are evenly distributed between the buffer plate and the sliding plate, and two ends of the elastic members are respectively connected to the buffer plate and the sliding plate. The adsorption plate is mounted on the lower end surface of the buffer plate.

4. A film pulling device according to claim 3, characterized in that: The elastic member is a spring.

5. The film pulling device according to claim 3, characterized in that: A limiting portion is arranged at the top end of the movable latch.

6. A film pulling device according to claim 3, characterized in that: The middle parts of the fixed plate, the sliding plate, the buffer plate and the adsorption plate are all provided with windows penetrating therethrough, and the windows of the adsorption plate are provided with transparent glass.

7. The film pulling device according to claim 1, characterized in that: The x-axis driving mechanism comprises a first slide, a first motor and a first transmission screw, and the y-axis driving mechanism comprises a second slide, a second motor and a second transmission screw, the first motor is mounted on the second slide, the output end of the first motor is transmission-connected to one end of the first transmission screw, the other end of the first transmission screw is rotationally connected to the second slide, the first slide is sleeved on the outer periphery of the first transmission screw and is transmission-connected to the first transmission screw, and the CCD visual detector is fixed on the first slide; The second motor is fixed on the mounting platform, the output end of the second motor is transmission-connected to one end of the second transmission screw, the other end of the second transmission screw is rotationally connected to the mounting platform, and the second slide seat is sleeved on the outer periphery of the second transmission screw and transmission-connected to the second transmission screw.

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