Circuit board laminator capable of preventing dry film from falling off

Abstract

The utility model discloses a circuit board laminator capable of preventing a dry film from falling off, which comprises a shell and a pluggable fixed shell arranged in the shell, a movable heat conduction pressing plate is arranged below the fixed shell, the circuit board laminator further comprises two electric push rods, and the electric push rods are respectively arranged at the top of the inner wall of the shell. According to the utility model, through mutual cooperation of the fixed shell, the heat conduction pressing plate, the electric push rod, the concave plate, the supporting shell, the clamping groove, the clamping block, a threaded rod, a rotating block, a moving plate, an inserting block, an inserting groove, a heat conduction shell, a heat conduction block, a heating plate, a pressure sensor and a supporting plate, a dry film can be conveniently fixed on a circuit board in a hot pressing mode, and meanwhile, the pressure during film pressing can be conveniently detected; the film pressing structure is simple in structure, the film pressing force is prevented from being too high or too low, it is guaranteed that the dry film can be stably installed on the circuit board, the film pressing effect is improved, and meanwhile the film pressing structure can be conveniently detached from the shell to be maintained or overhauled in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to line board press membrane technology field, concretely is a kind of line board press membrane machine of dry film can be prevented from falling off. BACKGROUND

[0002] Line board processing needs to press the dry film of corresponding size to the board of line board, so that it needs to use press membrane machine.

[0003] According to application number: CN202222215005.9, a kind of stable high for flexible line board processing press membrane device, including main part, the inside of the main part is equipped with conveyor belt, the top of the conveyor belt is equipped with circuit board, the inside wall between the both sides of the main part is slidably connected with mobile box, the top of the mobile box is rotatably connected with support wheel, the top of the main part is equipped with electric push rod, the bottom of the electric push rod is equipped with fixed box, the bottom of the fixed box is equipped with press roller, the inside wall of one side of main part is equipped with driving motor, the output shaft of driving motor is equipped with cam, the inside wall between the both sides of main part is welded with fixed plate, fixed plate and mobile box are welded with return spring.

[0004] The press membrane device of the above case has poor press membrane effect, cannot effectively press the dry film to the board, cannot guarantee the pressing force when pressing, reduces the dry film and line board press coverage effect, so that dry film is prone to fall off from the board, reduces practicality, and it is not convenient to disassemble the press membrane structure for maintenance and overhaul, reduces the flexibility when using. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of line board press membrane machine of dry film can be prevented from falling off to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of line board press membrane machine of dry film can be prevented from falling off, including shell, and the fixed shell of being set in the shell interior pluggable, the lower portion of the fixed shell is provided with movable heat-conducting press plate, still include electric push rod, the number of the electric push rod is two and is respectively installed at the top of shell inner wall, the bottom of two electric push rods is fixedly connected by concave plate, the back of shell inner wall and the position of corresponding concave plate are installed with support shell, the bottom of support shell inner wall is installed with pressure sensor, the top of pressure sensor is installed with support plate, the top of support plate is penetrated support shell and extends to its outside.

[0007] Preferably, the left and right sides of the bottom of the concave plate front are provided with clamping grooves, the top of the fixed shell is provided with clamping blocks corresponding to the clamping grooves, the top of the clamping block penetrates the clamping groove and extends into the clamping groove, the top of the concave plate is rotatably connected with a threaded rod through a bearing, and the top of the threaded rod is provided with a rotating block.

[0008] Preferably, the surface of the threaded rod is provided with a moving plate, the bottom of the moving plate is provided with an insertion block corresponding to the clamping block, the top of the clamping block is provided with an insertion slot corresponding to the insertion block, and the bottom of the insertion block penetrates the clamping groove and the insertion slot from top to bottom and extends into the insertion slot.

[0009] Preferably, the top of the heat-conducting pressing plate is provided with three heat-conducting shells, the inner wall of the heat-conducting shell is provided with a heat-conducting block, the top of the heat-conducting block penetrates the heat-conducting shell and the fixed shell from bottom to top and extends into the fixed shell, and the bottom of the inner wall of the fixed shell is provided with a heating plate connected with the heat-conducting block.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The utility model discloses a fixed shell, heat-conducting pressing plate, electric push rod, concave plate, support shell, clamping groove, clamping block, threaded rod, rotating block, moving plate, insertion block, insertion slot, heat-conducting shell, heat-conducting block, heating plate, pressure sensor and support plate cooperate with each other, so that the dry film can be conveniently fixed to the circuit board through the heat pressing mode, the pressure during film pressing can be conveniently detected, the strength of film pressing is avoided to be too high or too low, the dry film can be stably installed to the circuit board, the film pressing effect is improved, and the film pressing structure can be conveniently detached from the shell for maintenance or repair in the later period, and the flexibility during use is improved. ACCURACY OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0013] Figure 2 It is a sectional view of the front view structure of the utility model;

[0014] Figure 3 It is a three-dimensional structure schematic view of the fixed shell, heat-conducting pressing plate and moving plate of the utility model;

[0015] Figure 4 It is a three-dimensional structure schematic view of the fixed shell, heat-conducting pressing plate, stop block and connecting block of the utility model;

[0016] Figure 5 It is a sectional view of the front view structure of the fixed shell, sliding block, buffer spring and connecting block of the utility model.

[0017] In the figure: 1 shell, 2 fixed shell, 3 heat-conducting pressing plate, 4 electric push rod, 5 recessed plate, 6 supporting shell, 7 clamping groove, 8 clamping block, 9 threaded rod, 10 rotating block, 11 moving plate, 12 insertion block, 13 insertion slot, 14 heat-conducting shell, 15 heat-conducting block, 16 heating plate, 17 pressure sensor, 18 supporting plate, 19 transmission belt body, 20 temperature sensor, 21 fixed rod, 22 stop block, 23 sliding block, 24 buffer spring, 25 connecting block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figures 1-5 A circuit board film pressing machine capable of preventing dry film from falling off, comprising a shell 1 and a pluggable fixed shell 2 arranged inside the shell 1, and a movable heat-conducting pressing plate 3 arranged below the fixed shell 2.

[0020] Further, the left side of the shell 1 is fixedly connected with a transmission belt body 19, and the right side of the transmission belt body 19 penetrates through the shell 1 and extends to the outside thereof.

[0021] Further, the front of the shell 1 is movably connected with an access door through a hinge, and the left side of the shell 1 is fixedly connected with a controller.

[0022] Further, the left side of the shell 1 is fixedly connected with a transmission belt body 19, and the right side of the transmission belt body 19 penetrates through the shell 1 and extends to the outside thereof.

[0023] Further, the front of the shell 1 is movably connected with an access door through a hinge, and the left side of the shell 1 is fixedly connected with a controller.

[0024] The top of the heat-conducting pressing plate 3 is fixedly connected with three heat-conducting shells 14, the inner wall of the heat-conducting shell 14 is provided with a heat-conducting block 15, the surface of the heat-conducting block 15 is in contact with the inner wall of the heat-conducting shell 14, the top of the heat-conducting block 15 penetrates the heat-conducting shell 14 and the fixed shell 2 from bottom to top and extends to the inside of the fixed shell 2, and the bottom of the inner wall of the fixed shell 2 is fixedly connected with a heating plate 16 connected with the heat-conducting block 15.

[0025] Specifically, the rotating block 10 is rotated, the rotating block 10 drives the threaded rod 9 to rotate, the threaded rod 9 drives the moving plate 11 to move upwards, the moving plate 11 drives the plug block 12 to move upwards, the plug block 12 and the plug slot 13 are separated, then the maintenance door is opened, the fixed shell 2 is pulled forward, the fixed shell 2 drives the clamping block 8 to move forward, the clamping block 8 and the clamping slot 7 are separated, and then the structure of the fixed shell 2 and the heat-conducting pressing plate 3 can be separated from the shell body 1 to maintain and repair.

[0026] The bottom of the inner wall of the supporting shell 6 is fixedly connected with a pressure sensor 17, the top of the pressure sensor 17 is fixedly connected with a supporting plate 18, and the top of the supporting plate 18 penetrates the supporting shell 6 and extends to the outside thereof.

[0027] Further, the bottom of the fixed shell 2 is fixedly connected with a temperature sensor 20, so that the temperature around the heat-conducting pressing plate 3 can be conveniently detected, and the temperature of the heat-conducting pressing plate 3 is prevented from being too high or too low.

[0028] Further, the left and right sides of the bottom of the fixed shell 2 are fixedly connected with fixed rods 21, the bottom ends of the fixed rods 21 are fixedly connected with stop blocks 22, the surfaces of the fixed rods 21 are slidingly connected with sliding blocks 23, the surfaces of the fixed rods 21 are sleeved with buffer springs 24, the opposite sides of the two sliding blocks 23 are fixedly connected with connecting blocks 25, and the side, close to the heat-conducting pressing plate 3, of each connecting block 25 is fixedly connected with the heat-conducting pressing plate 3. Through the arrangement of the fixed rods 21, the stop blocks 22, the sliding blocks 23, the buffer springs 24 and the connecting blocks 25, the heat-conducting pressing plate 3 has an extension effect, direct rigid contact between the heat-conducting pressing plate 3 and the circuit board is avoided, the heat-conducting pressing plate 3 has a certain buffering force, and damage caused by contact with the circuit board is reduced.

[0029] Specifically, when the heat-conducting pressing plate 3 moves downwards and contacts the circuit board, the heat-conducting pressing plate 3 can extrude the buffer spring 24 upwards through the connecting block 25 and the sliding block 23, the heat-conducting block 15 can move in the heat-conducting shell 14, and the heat-conducting pressing plate 3 has a certain buffering force.

[0030] Further, the electric push rod 4, the heating plate 16, the pressure sensor 17 and the temperature sensor 20 are electrically connected with the controller respectively.

[0031] The mutual cooperation of the fixed shell 2, the heat-conducting pressing plate 3, the electric push rod 4, the concave plate 5, the supporting shell 6, the clamping groove 7, the clamping block 8, the threaded rod 9, the rotating block 10, the moving plate 11, the insertion block 12, the insertion groove 13, the heat-conducting shell 14, the heat-conducting block 15, the heating plate 16, the pressure sensor 17 and the supporting plate 18 facilitates fixing the dry film to the circuit board by means of hot pressing, facilitates detecting the pressure when the film is pressed, avoids that the pressing force is too high or too low, ensures that the dry film can be stably installed to the circuit board, improves the film pressing effect, and facilitates disassembling the film pressing structure from the shell 1 for maintenance or repair, thereby improving the flexibility during use.

[0032] In use, the dry film is placed on the top of the circuit board, and then the circuit board and the dry film are transmitted from left to right into the shell 1 through the transmission belt body 19, and then the electric push rod 4 is started, the electric push rod 4 drives the heat-conducting pressing plate 3 to move downward through the concave plate 5 and the fixed shell 2, the temperature of the heating plate 16 is transmitted to the heat-conducting pressing plate 3 through the heat-conducting block 15 and the heat-conducting shell 14, the heat-conducting pressing plate 3 moves downward and contacts the dry film on the circuit board, at this time, the heat-conducting pressing plate 3 continues to extrude the dry film to move downward, the pressure value generated by the heat-conducting pressing plate 3 is sensed by the pressure sensor 17 at the bottom of the supporting plate 18, when the pressure value reaches the preset value, a signal is transmitted to the controller, the controller immediately stops the downward movement of the electric push rod 4, the resist of the bottom of the dry film is pasted on the circuit board under the condition of heating and pressing generated by the heat-conducting pressing plate 3, the resist layer in the dry film becomes soft after being heated, the flowability increases, and the film pasting is completed by the pressure of the heat-conducting pressing plate 3 and the effect of the adhesive in the resist.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A circuit board laminator capable of preventing dry film from falling off, characterized in that: The invention comprises a shell (1), and a pluggable fixed shell (2) arranged inside the shell (1), a movable heat-conducting pressure plate (3) being arranged below the fixed shell (2), and an electric push rod (4), wherein the number of the electric push rods (4) is two and they are respectively mounted on the top of the inner wall of the shell (1), the bottom ends of the two electric push rods (4) are fixedly connected by a concave plate (5), a support shell (6) is mounted on the back of the inner wall of the shell (1) and at a position corresponding to the concave plate (5), a pressure sensor (17) is mounted on the bottom of the inner wall of the support shell (6), a support plate (18) is mounted on the top of the pressure sensor (17), and the top of the support plate (18) passes through the support shell (6) and extends to the outside thereof.

2. A circuit board laminator capable of preventing dry film from falling off according to claim 1, characterized in that: The left and right sides of the bottom of the front face of the concave plate (5) are provided with a card slot (7); a card block (8) is installed at the top of the fixed shell (2) and at a position corresponding to the card slot (7); the top of the card block (8) passes through the card slot (7) and extends to the inside thereof to contact the inner wall of the card slot (7); a threaded rod (9) is rotatably connected to the groove at the top of the concave plate (5) via a bearing; a rotating block (10) is installed at the top of the threaded rod (9).

3. A circuit board laminator capable of preventing dry film from falling off according to claim 2, characterized in that: The surface of the threaded rod (9) is threadedly connected to a movable plate (11); an inserting block (12) is installed at the bottom of the movable plate (11) and at a position corresponding to the clamping block (8); a slot (13) is provided at the top of the clamping block (8) and at a position corresponding to the inserting block (12); the bottom of the inserting block (12) passes through the clamping slot (7) and the slot (13) in sequence from top to bottom and extends to the interior of the slot (13) and contacts the inner wall of the slot (13).

4. A circuit board laminator capable of preventing dry film from falling off according to claim 3, characterized in that: Three heat-conducting shells (14) are installed on the top of the heat-conducting pressure plate (3), and heat-conducting blocks (15) are provided on the inner wall of the heat-conducting shell (14). The top of the heat-conducting blocks (15) passes through the heat-conducting shell (14) and the fixed shell (2) from bottom to top and extends to the interior of the fixed shell (2). A heating plate (16) connected to the heat-conducting blocks (15) is installed on the bottom of the inner wall of the fixed shell (2).

Images