Flexible Printed Circuit Board Printing Machine

Abstract

The present invention provides a flexible printed circuit board printing machine, belonging to the technical field of flexible printed circuit board printing. It includes a machine body suitable for roll materials. The machine body has a screen plate and a printing unit arranged above the screen plate, and also includes a pulling unit and an adsorption unit. The pulling unit is arranged in front of the machine body and is used to drive the roll materials to advance intermittently. The adsorption unit is arranged below the screen plate. The adsorption unit includes an adsorption platform and a ventilation part communicated with the adsorption platform. There is a gap for the roll materials to pass through between the adsorption platform and the screen plate. The ventilation part has two working states: air extraction and air supply. Among them, when the pulling unit drives the roll materials to advance, the ventilation part supplies air, so that the adsorption platform is separated from the roll materials. When the printing unit prints, the pulling unit stops pulling, and the ventilation part extracts air, so that the adsorption platform is adsorbed and fixed to the roll materials. The present invention improves the printing accuracy.

Description

Technical Field

[0001] The present invention belongs to the technical field of flexible printed circuit board printing, and particularly relates to a flexible printed circuit board printing machine. Background Art

[0002] Flexible printed circuit board printing machines mainly use screen printing technology to precisely print materials such as ink and conductive paste onto designated positions of flexible printed circuit boards to form required circuit patterns, words, symbols, etc. It is widely used in fields such as electronics, communication, medical, and automotive, and is an indispensable device in the manufacturing process of flexible printed circuit boards.

[0003] Flexible printed circuit boards are made of flexible materials and are prone to deformation. During the printing process, if the flexible printed circuit board deforms, it may cause the originally isolated circuit parts to come into contact with each other, resulting in a short circuit, or cause the originally connected circuit parts to be disconnected, resulting in an open circuit. Therefore, there is a defect of low printing accuracy. Summary of the Invention

[0004] An embodiment of the present invention provides a flexible printed circuit board printing machine, aiming to solve the technical problem of low printing accuracy.

[0005] To achieve the above object, the technical solution adopted by the present invention is: to provide a flexible printed circuit board printing machine, a machine body suitable for a roll material, the machine body having a screen plate and a printing unit provided above the screen plate, further including:

[0006] A pulling unit, provided in front of the machine body and used to drive the roll material to advance intermittently;

[0007] An adsorption unit, provided below the screen plate; the adsorption unit includes an adsorption platform and a ventilation part communicated with the adsorption platform, a gap for the roll material to pass through is provided between the adsorption platform and the screen plate, and the ventilation part has two working states of air extraction and air supply;

[0008] Wherein, when the pulling unit drives the roll material to advance, the ventilation part supplies air, so that the adsorption platform is separated from the roll material; when the printing unit prints, the pulling unit stops pulling, and the ventilation part extracts air, so that the adsorption platform is adsorbed and fixed to the roll material.

[0009] In a possible manner, it further includes an independent position adjustment unit. There are two independent position adjustment units, and the two independent position adjustment units are respectively provided at the front and rear ends of the screen plate;

[0010] The independent position adjustment unit includes:

[0011] A first slide rail, connected to the machine body;

[0012] There are two movable seats, both of which are slidably connected to the first slide rail along the left-right direction, and the movable seats are detachably connected to the first slide rail and can be fixed at a preset position on the first slide rail;

[0013] The clamping seat corresponds to the movable seat one by one and is fixedly connected to the movable seat. The clamping seat is provided with a placement groove for the screen to extend into on one side away from the movable seat. The placement groove is provided with a clamping part for fixing the screen to the clamping seat.

[0014] In a possible manner, a base is fixedly connected to one side of the machine body, and a spacing adjustment unit corresponding to the independent position adjustment unit is provided on the side of the base facing the screen;

[0015] The spacing adjustment unit comprises:

[0016] A movable arm is slidably connected to the base in a front-rear direction;

[0017] The spacing lead screw is connected to the base by rotating around its own central axis and is threadedly connected to the moving arm.

[0018] In a possible manner, an overall positioning unit is provided under each of the movable arms, and the overall positioning unit includes:

[0019] A second slide rail connected to the movable arm, the second slide rail being arranged in a left-right direction, and the second slide rail being slidably connected to the first slide rail in the left-right direction;

[0020] A slide seat, fixedly connected to the second slide rail;

[0021] A slider, slidably connected to the slide seat along a left-right direction and fixedly connected to the first slide rail;

[0022] An adjusting seat, fixedly connected to the top surface of the sliding seat;

[0023] An adjusting member, which is retractable in length along the left-right direction, wherein the movable end of the adjusting member abuts against the outer wall of the adjusting seat, and the fixed end of the adjusting member is fixedly connected to the sliding block;

[0024] The elastic member is fixedly connected between the sliding block and the second sliding rail, and has a pre-tightening force that enables the adjustment seat to move closer to the regulating member.

[0025] In a possible manner, a lifting unit is further included, and the lifting unit includes:

[0026] A lifting shaft is slidably connected to the movable arm along a vertical direction, and a bottom end of the lifting shaft is fixedly connected to the second slide rail;

[0027] The lifting lead screw is rotatably connected to the moving arm about its own central axis, and the lifting lead screw is screwed to the lifting shaft;

[0028] The first power member is fixedly connected to the moving arm and is in transmission connection with the lifting lead screw;

[0029] The guiding assembly is telescopically adjustable in length in the vertical direction and is fixedly arranged between the second slide rail and the moving arm.

[0030] In a possible manner, the first slide rail and the second slide rail are detachably connected and fixed at a preset position on the second slide rail. The flexible circuit board printing machine further includes a deviation rectifying unit;

[0031] The deviation rectifying unit includes:

[0032] The deviation rectifying lead screw is screwed to the second slide rail;

[0033] The second power member is fixedly connected to the first slide rail and is in transmission connection with the deviation rectifying lead screw;

[0034] The deviation rectifying sensor is fixedly connected to the sliding seat and is in communication connection with the second power member. The deviation rectifying sensor is used for monitoring the edge position of the coiled material.

[0035] In a possible manner, a dust removing unit is provided at the rear end of the machine body. The dust removing unit includes:

[0036] Two dust removing rollers are provided in the front-rear direction and are rotatably connected to the machine body about their own central axes. The axial direction of the dust removing rollers is parallel to the left-right direction, and the two dust removing rollers have a height difference;

[0037] The first driving member is in transmission connection with the dust removing roller.

[0038] In a possible manner, the dust removing unit further includes:

[0039] The dust sticking rollers correspond to the dust removing rollers one by one and are rotatably connected to the machine body about their own central axes. The dust sticking rollers are detachably connected to the machine body;

[0040] The dust sticking rolls correspond to the dust sticking rollers one by one and are sleeved on the outer periphery of the dust sticking rollers. The dust sticking rolls are detachably connected and fixed to the dust sticking rollers;

[0041] The second driving member is in transmission connection with the dust sticking roller.

[0042] In a possible manner, the pulling unit includes:

[0043] The power assembly is used for pulling the coiled material to move forward;

[0044] The mounting seat is arranged above the machine body;

[0045] A spacing control sensor, fixedly connected to the mounting base, communicatively connected to the power assembly, and configured to monitor the advancing distance of the coil material;

[0046] A moving assembly, driving the mounting base to move so that the spacing control sensor corresponds to the coil material.

[0047] In a possible manner, a positioning unit is provided at the rear side of the machine body. The positioning unit includes:

[0048] A support plate, fixedly connected to the machine body and inclined downward from front to back;

[0049] A plurality of pressing strips, arranged at intervals in the front-back direction;

[0050] A telescopic member, telescopic in a direction perpendicular to the plate surface of the support plate, and the length of the telescopic member is telescopic in a direction perpendicular to the inclined direction of the support plate. The fixed end of the telescopic member is fixedly connected to the support plate, and the movable end of the telescopic member is fixedly connected to the end of the pressing strip;

[0051] Wherein, the telescopic members and the pressing strips are in one-to-one correspondence, or one pressing strip corresponds to at least two telescopic members.

[0052] Compared with the prior art, the flexible circuit board printing machine provided by the present invention:

[0053] When the pulling unit pulls the coil material to advance, the adsorption platform is separated from the coil material; when the printing unit prints, the coil material stops moving. At this time, the coil material is completely adsorbed by the adsorption platform, so that the coil material is flattened out. Thus, the flexible circuit board will not be deformed during the printing process, improving the printing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 is a schematic structural diagram of the flexible circuit board printing machine according to an embodiment of the present invention;

[0055] Figure 2 is an exploded view showing the structure of the adsorption unit provided by an embodiment of the present invention;

[0056] Figure 3 is a schematic structural diagram showing the positions of the independent position adjustment unit and the spacing adjustment unit provided by an embodiment of the present invention;

[0057] Figure 4 is Figure 3 a partial enlarged view of part A in

[0058] Figure 5 is Figure 3 a partial enlarged view of part B in

[0059] Figure 6 Schematic diagram showing the structure of the overall position adjustment unit provided by an embodiment of the present invention;

[0060] Figure 7 Schematic diagram showing the positions of the slider and the elastic member provided by an embodiment of the present invention;

[0061] Figure 8 Schematic diagram showing the structures of the deviation correction unit and the lifting unit provided by an embodiment of the present invention;

[0062] Figure 9 Schematic diagram showing the position of the lifting lead screw provided by an embodiment of the present invention;

[0063] Figure 10 Schematic diagram showing the structures of the dust removal unit and the positioning unit provided by an embodiment of the present invention;

[0064] Figure 11 is Figure 10 partial enlarged view of part C in;

[0065] Figure 12 Schematic diagram showing the structure of the moving component provided by an embodiment of the present invention;

[0066] Figure 13 is Figure 12 partial enlarged view of part D in.

[0067] Explanation of reference numerals:

[0068] 10, body; 101, base; 1011, guide rail;

[0069] 20, pulling unit; 201, power component; 202, mounting seat; 2021, convex block; 203, rotating block; 2031, cylindrical seat; 2031, square seat; 204, clamping block; 2041, locking member; 205, moving roller; 2051, front seat; 20511, chute; 20512, hand button; 20513, moving lead screw; 2052, rear seat;

[0070] 30, adsorption unit; 301, top plate; 3011, adsorption hole; 302, bottom plate; 303, air cavity; 3031, rib;

[0071] 40, independent position adjustment unit; 401, first slide rail; 4011, connecting plate; 402, moving seat; 403, clamping seat; 4031, placement groove; 4032, clamping member; 4033, clamping piece;

[0072] 50, spacing adjustment unit; 501, moving arm; 5011, guide seat; 502, spacing lead screw; 5021, hand wheel;

[0073] 60. Overall position adjustment unit; 601. Second slide rail; 602. Slide seat; 6021. Micrometer bracket; 603. Slide block; 6031. Storage cavity; 604. Adjustment seat; 6041. Adjustment pad; 605. Adjusting member;

[0074] 70. Slide rail bracket; 701. Sensor bracket; 702. Nut seat;

[0075] 80. Lifting unit; 801. Lifting shaft; 802. Lifting lead screw; 803. First power member; 804. Locking block; 805. Guide rod;

[0076] 90. Deviation correction unit; 901. Deviation correction lead screw; 902. Second power member;

[0077] 100. Dust removal unit; 1001. Dust removal roller; 1002. Dust sticking roller;

[0078] 110. Positioning unit; 1101. Support plate; 1102. Press strip; 1103. Telescopic member. Detailed implementation manners

[0079] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0080] Please refer to Figures 1 to 13 , for the description of the flexible printed circuit board printing machine of the present invention. A flexible printed circuit board printing machine, applicable to a body 10 for a roll material, the body 10 has a screen plate (not shown) and a printing unit provided above the screen plate. The flexible printed circuit board printing machine further includes a pulling unit 20 and an adsorption unit 30. The pulling unit 20 is provided in front of the body 10 and is used to drive the roll material to advance intermittently; the adsorption unit 30 is provided below the screen plate; the adsorption unit 30 includes an adsorption platform and a ventilation part (not shown) communicated with the adsorption platform. There is a gap for the roll material to pass between the screen plate and the adsorption platform, and the ventilation part has two working states of air extraction and air supply.

[0081] Among them, when the pulling unit 20 drives the roll material to advance, the ventilation part supplies air, so that the adsorption platform is separated from the roll material; when the printing unit prints, the pulling unit 20 stops pulling, and the ventilation part extracts air, so that the adsorption platform is adsorbed and fixed to the roll material.

[0082] It should be noted that the printing unit is a conventional printing structure, and will not be described in detail in this application.

[0083] The flexible printed circuit board printing machine provided in this embodiment, compared with the prior art:

[0084] When the pulling unit 20 pulls the rolled material forward, the adsorption platform is separated from the rolled material; when the printing unit is printing, the rolled material stops moving. At this time, the rolled material is completely adsorbed by the adsorption platform, so that the rolled material is flattened out, so that the flexible circuit board will not be deformed during the printing process, and the printing accuracy is improved.

[0085] In some embodiments, referring to Figure 2 , the adsorption platform includes a top plate 301, a bottom plate 302 fixed to the lower side of the top plate 301, and an air cavity 303 provided between the top plate 301 and the bottom plate 302. A plurality of protruding strips 3031 are arranged in a row in the left-right direction in the air cavity 303, and multiple rows are arranged in the front-back direction. The protruding strips 3031 can be fixed to the top plate 301, or the protruding strips 3031 can be fixed to the bottom plate 302.

[0086] Specifically, a plurality of adsorption holes 3011 communicating with the air cavity 303 are provided through the top surface of the top plate 301. The air extraction part (not shown) is fixedly installed on the bottom wall of the bottom plate 302. The air extraction part can be an air pump, and the air pump is communicated with the air cavity 303.

[0087] By providing a flow dividing groove, when the air pump is extracting air and supplying air, the gas at each point in the air cavity 303 increases or decreases uniformly, improving the uniformity of adsorption and separation of each point of the adsorption platform to the rolled material.

[0088] In some embodiments, referring to Figure 3 and Figure 4 , the flexible circuit board printing machine further includes an independent position adjustment unit 40. There are two independent position adjustment units 40, and the two independent position adjustment units 40 are respectively arranged at the front and rear ends of the screen printing plate; the independent position adjustment unit 40 includes a first slide rail 401, a moving seat 402 and a clamping seat 403; the first slide rail 401 is connected to the machine body 10; there are two moving seats 402, and the two moving seats 402 are both slidably connected to the first slide rail 401 in the left-right direction. The moving seat 402 is detachably connected to the first slide rail 401 and can be fixed at a preset position on the first slide rail 401; the clamping seat 403 corresponds to the moving seat 402 one by one and is fixed to the moving seat 402. A placement groove 4031 for the screen printing plate to extend into is provided on the side of the clamping seat 403 facing away from the moving seat 402, and a clamping part for fixing the screen printing plate to the clamping seat 403 is provided in the placement groove 4031.

[0089] Specifically, a clamping member 4032 is provided on the top wall of the clamping seat 403. The length of the clamping member 4032 in the vertical direction is telescopic. The fixed end of the clamping member 4032 is fixed to the clamping seat 403. The movable end of the clamping member 4032 passes through the clamping seat 403 and extends into the placement groove 4031. A clamping piece 4033 forming a clamping part is fixed to the end of the movable end of the clamping member 4032.

[0090] It should be noted that the clamping member 4032 can be a telescopic oil cylinder, an electric cylinder, or a hydraulic cylinder.

[0091] The clamping member 4032 is activated to extend downward, so that the clamping piece 4033 abuts against the edge of the screen plate. After the screen plate is fixed to the clamping seat 403, the staff can move the positions of the two moving seats 402 along the first slide rail 401, so as to clamp screen plates of different widths.

[0092] In some embodiments, referring to Figure 3 and Figure 5 , a base 101 is fixedly connected to one side of the body 10, and a spacing adjustment unit 50 corresponding to the independent position adjustment unit 40 is provided on the side of the base 101 facing the screen plate; the spacing adjustment unit 50 includes a moving arm 501 and a spacing lead screw 502, and the moving arm 501 is slidably connected to the base 101 in the front-rear direction; the spacing lead screw 502 is rotatably connected to the base 101 around its own central axis and is screwed to the moving arm 501.

[0093] Specifically, a guiding track 1011 is fixedly provided on the side of the base 101 facing the moving arm 501, and a guiding seat 5011 slidably adapted to the guiding track 1011 is fixedly provided on the side of the moving arm 501 close to the base 101; a hand wheel 5021 is fixedly provided at one end of the spacing lead screw 502.

[0094] The staff rotates the hand wheel 5021 to drive the spacing lead screw 502 to rotate, so that the moving arm 501 drives the guiding seat 5011 to slide along the guiding track 1011, whereby the spacing between the two moving arms 501 can be adjusted to adapt to screen plates of different lengths.

[0095] In some embodiments, referring to Figure 3 , Figure 6 and Figure 7 , an overall position adjustment unit 60 is provided below each moving arm 501. The overall position adjustment unit 60 includes a second slide rail 601, a sliding seat 602, a slider 603, an adjustment seat 604 and an adjusting member 605; the second slide rail 601 is connected to the moving arm 501, the second slide rail 601 is arranged in the left-right direction, and the second slide rail 601 is slidably connected to the first slide rail 401 in the left-right direction; the sliding seat 602 is fixedly connected to the second slide rail 601; the slider 603 is slidably connected to the sliding seat 602 in the left-right direction and is fixedly connected to the first slide rail 401; the adjustment seat 604 is fixedly connected to the top surface of the sliding seat 602; the adjusting member 605 is telescopable in the left-right direction, the movable end of the adjusting member 605 abuts against the outer wall of the adjustment seat 604, and the fixed end of the adjusting member 605 is fixedly connected to the slider 603; an elastic member is fixedly connected between the slider 603 and the second slide rail 601 and has a pre-tightening force that makes the adjustment seat 604 move closer to the adjusting member 605.

[0096] Specifically, a slide rail bracket 70 is provided below the moving arm 501. The slide rail bracket 70 is L-shaped, and the second slide rail 601 is fixedly arranged inside the slide rail bracket 70.

[0097] Specifically, a sensor bracket 701 is fixedly provided on the outer wall of the slide rail bracket 70. The slide seat 602 is fixedly connected to the sensor bracket 701. A micrometer bracket 6021 is fixedly provided on the top surface of the slide seat 602. The fixed end of the adjusting member 605 is fixedly connected to the micrometer bracket 6021. A connecting plate 4011 is fixedly provided between the micrometer bracket 6021 and the first slide rail 401. The top surface of the slider 603 is fixedly connected to the bottom wall of the connecting plate 4011. The adjusting seat 604 is arranged on the side of the micrometer bracket 6021 away from the sensor bracket 701. An adjusting pad 6041 is fixedly provided on the side of the adjusting seat 604 facing the micrometer bracket 6021. The adjusting member 605 can be a micrometer, and the movable end of the micrometer abuts against the adjusting pad. A receiving cavity 6031 is provided on the side of the slider 603 facing the sensor bracket 701. The elastic member is fixedly provided between the inner wall of the receiving cavity 6031 and the sensor.

[0098] The staff extends the movable end of the adjusting member 605, and the micrometer bracket 6021 moves away from the adjusting seat 604. The micrometer bracket 6021 drives the slider 603 to stretch the elastic member. The staff retracts the movable end of the adjusting member 605, the elastic member releases the elastic force, and the slider 603 drives the micrometer bracket 6021 to move towards the adjusting seat 604 through the connecting plate 4011.

[0099] When the micrometer bracket 6021 approaches or moves away from the adjusting seat 604, the micrometer bracket 6021 drives the first slide rail 401 to slide along the second slide rail 601 through the connecting plate 4011, thereby integrally moving the position of the independent adjustment unit 40.

[0100] In some embodiments, referring to Figure 8 and Figure 9 , the flexible circuit board printing machine further includes a lifting unit 80. The lifting unit 80 includes a lifting shaft 801, a lifting lead screw 802, a first power member 803, and a guiding assembly. The lifting shaft 801 is slidably connected to the moving arm 501 in the vertical direction. The bottom end of the lifting shaft 801 is fixedly connected to the second slide rail 601. The lifting lead screw 802 is rotatably connected to the moving arm 501 around its own central axis, and the lifting lead screw 802 is threadedly connected to the lifting shaft 801. The first power member 803 is fixedly connected to the moving arm 501 and is in transmission connection with the lifting lead screw 802. The guiding assembly is telescopable in length in the vertical direction and is fixedly provided between the second slide rail 601 and the moving arm 501.

[0101] Specifically, the bottom end of the lifting shaft 801 is fixedly connected to the top surface of the slide rail bracket 70. The guiding assembly includes a locking block 804 and a guide rod 805. The locking block 804 is fixedly provided on the top surface of the slide rail bracket 70. A sliding cavity is provided on the top surface of the locking block 804 and extends in the vertical direction. The guide rod 805 is arranged between the moving arm 501 and the locking block 804 in the vertical direction. The top end of the guide rod 805 is fixedly connected to the moving arm 501, and the bottom end of the guide rod 805 extends into the sliding cavity and is slidably matched with it.

[0102] It should be noted that the first power member 803 can be a motor, and the output shaft of the motor is fixedly connected to the top end of the lifting lead screw 802.

[0103] When the first power member 803 is started to drive the lifting lead screw 802 to rotate, the lifting lead screw 802 drives the lifting shaft 801 to move up and down, so that the screen plate can be lifted; when the ink viscosity is relatively high, it is necessary to lift the screen plate to clean the ink.

[0104] In some embodiments, referring to Figure 6 and Figure 8 , the first slide rail 401 is detachably connected to the second slide rail 601 and fixed at a preset position on the second slide rail 601. The flexible circuit board printing machine further includes a deviation rectifying unit 90; the deviation rectifying unit 90 includes a deviation rectifying lead screw 901, a second power member 902 and a deviation rectifying sensor (not shown); the deviation rectifying lead screw 901 is screwed to the second slide rail 601; the second power member 902 is fixedly connected to the first slide rail 401 and is in transmission connection with the deviation rectifying lead screw 901; the deviation rectifying sensor is fixedly connected to the slide seat 602 and is in communication connection with the second power member 902, and the deviation rectifying sensor is used for monitoring the edge position of the rolled material.

[0105] Specifically, one end of the slide rail bracket 70 is fixedly provided with a nut seat 702, the deviation rectifying lead screw 901 is screwed to the nut seat 702, the second power member 902 can be a motor, the motor is fixedly connected to the first slide rail 401, and the output shaft of the motor is fixedly connected to the deviation rectifying lead screw 901.

[0106] The deviation rectifying sensor has a preset position. The deviation rectifying sensor monitors the edge position of the rolled material to obtain the actual position. When there is a deviation between the preset position and the actual position, the deviation rectifying sensor transmits a start signal to the second power member 902. After receiving the start signal, the second power member 902 starts, and the second power member 902 drives the deviation rectifying lead screw 901 to rotate, so that the first slide rail 401 moves along the actual position towards the preset position.

[0107] In some embodiments, referring to Figure 10 , a dust removing unit 100 is provided at the rear end of the machine body 10. The dust removing unit 100 includes a dust removing roller 1001 and a first driving member. Two dust removing rollers 1001 are provided along the front-rear direction and are rotatably connected to the machine body 10 around their own central axes. The axial direction of the dust removing roller 1001 is parallel to the left-right direction, and the two dust removing rollers 1001 have a height difference; the first driving member is in transmission connection with the dust removing roller 1001.

[0108] Specifically, the dust removing roller 1001 has adhesiveness.

[0109] It should be noted that the first driving member can be a motor, and the first driving member is not shown.

[0110] The dust on the surface of the roll is removed by the stickiness of the dust removal roller 1001, thereby reducing interference with printing and improving printing accuracy.

[0111] In some embodiments, see Figure 10 The dust removal unit 100 also includes a sticky roller 1002, a sticky roll and a second driving member. The sticky roller 1002 corresponds to the dust removal roller 1001 one by one, and is rotatably connected to the body 10 around its own central axis. The sticky roller 1002 is detachably connected to the body 10; the sticky roll corresponds to the sticky roller 1002 one by one, and is sleeved on the outer periphery of the sticky roller 1002. The sticky roll is detachably connected and fixed to the sticky roller 1002; the second driving member is transmission-connected to the sticky roller 1002.

[0112] It should be noted that the second driving member can be a motor, which is not shown. The sticky roll is a roll of multiple sticky papers, and a row of holes is provided along the left-right direction between two adjacent sticky papers.

[0113] The dust removal roller 1001 is cleaned by removing the dust on the dust removal roller 1001 through the sticky dust roll. When the outer periphery of the sticky dust roll is full of dust, the staff tears off the outermost sticky paper until all the sticky dust papers are used up, and then the sticky dust roller 1002 is disassembled and replaced with a new sticky dust roll.

[0114] In some embodiments, see Figure 1 , Figure 12 and Figure 13 The pulling unit 20 includes a power component 201, a mounting seat 202, a spacing control sensor (not shown) and a moving component. The power component 201 is used to pull the roll material forward; the mounting seat 202 is arranged above the body 10; the spacing control sensor is fixedly connected to the mounting seat 202, is communicated with the power component 201, and is used to monitor the forward distance of the roll material; the moving component drives the mounting seat 202 to move so that the spacing control sensor corresponds to the roll material.

[0115] Specifically, the moving assembly includes a rotating block 203, a clamping block 204 and a moving roller 205; there are two rotating blocks 203, and the rotating block 203 includes a cylindrical seat 2031 that rotates around its own central axis and is connected to one side of the body 10, and a square seat 2031 that is fixed to the top surface of the cylindrical seat 2031; there are two clamping blocks 204, and the two clamping blocks 204 are respectively arranged on both sides of the cylindrical seat 2031, and the inner wall of the clamping block 204 has an arc surface that fits the two cylindrical seats 2031 respectively. A locking piece 2041 is fixed between the two clamping blocks 204, and the locking piece 2041 can be an adjustable locking handle; two movable rollers 205 are provided, and the two movable rollers 205 respectively pass through the two square seats 2031, and the movable rollers 205 are slidably adapted to the square seats 2031. The top wall of the square seats 2031 is also provided with a locking piece 2041, and one end of the two movable rollers 205 is hinged to a front seat 2051, and the other end of the two movable seats 402 is hinged to a rear seat 2052. The hinge axes of the above two are parallel to the vertical direction, and the mounting seat 202 is arranged on the front seat 2051.

[0116] Specifically, a slide groove 20511 is provided on the side of the front seat 2051 facing away from the movable roller 205, and the slide groove 20511 is opened along the length direction of the front seat 2051. The mounting seat 202 has a protrusion 2021 that is slidably adapted to the slide groove 20511. A movable screw 20513 is rotatably connected in the slide groove 20511, and the movable screw 20513 is screwed to the protrusion 2021. A hand button 20512 is rotatably connected to the outer wall of the front seat 2051, and the hand button 20512 is fixedly connected to the movable screw 20513.

[0117] It should be noted that there are points on the coil that are monitored by the work spacing control sensor, and the points can be obtained through exposure; the power component 201 is an existing structure that can drive the coil forward, and this application will not go into details.

[0118] The position of the spacing control sensor can be adjusted in a large range by adjusting the position of the movable roller 205 and rotating the cylindrical seat 2031. The position of the spacing control sensor can be adjusted in a small range by rotating the hand button 20512 to rotate the movable screw 20513 and drive the mounting seat 202 to move.

[0119] In some embodiments, see Figure 10 and Figure 11 A positioning unit 110 is provided on the rear side of the body 10, and the positioning unit 110 includes a support plate 1101, a pressure strip 1102 and a telescopic member 1103. The support plate 1101 is fixedly connected to the body 10 and is tilted downward from front to back; a plurality of pressure strips 1102 are provided, and are sequentially spaced along the front-to-back direction; the telescopic member 1103 is telescopic in length along a direction perpendicular to the tilt direction of the support plate 1101, the fixed end of the telescopic member 1103 is fixedly connected to the support plate 1101, and the movable end of the telescopic member 1103 is fixedly connected to the end of the pressure strip 1102.

[0120] Among them, the telescopic members 1103 correspond one-to-one with the pressing strips 1102, or one pressing strip 1102 corresponds to at least two telescopic members 1103.

[0121] It should be noted that in the structure shown in the figure, one pressing strip 1102 corresponds to two telescopic members 1103, and the telescopic members 1103 can be telescopic oil cylinders, electric cylinders, or hydraulic cylinders.

[0122] Specifically, the telescopic members 1103 are communicatively connected to the spacing control sensors.

[0123] After the spacing control sensors detect a point position, it means that the advancing distance of the coil has reached the preset distance. At this time, the spacing control sensors transmit a stop signal to the power assembly 201. When the power assembly 201 receives the stop signal, it stops working and the coil no longer advances; at the same time, the spacing control sensors transmit a start signal to the telescopic members 1103, and the telescopic members 1103 start to drive the pressing strips 1102 to move towards the direction close to the support plate 1101 until the coil is tightly pressed against the support plate 1101, so that the position of the coil will not shift during the printing process.

[0124] After printing is completed, the power assembly 201 starts again to drive the coil to advance, and at the same time, the telescopic members 1103 drive the pressing strips 1102 to move away from the support plate 1101.

[0125] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A flexible circuit board printer, comprising a body suitable for coiling materials, the body having a screen and a printing unit arranged above the screen, characterized in that: Also includes: A pulling unit is arranged in front of the machine body and is used to drive the coil to move forward intermittently; An adsorption unit is arranged below the screen; the adsorption unit comprises an adsorption platform and a ventilation part connected to the adsorption platform, a gap is arranged between the adsorption platform and the screen for the web to pass through, and the ventilation part has two working states of air extraction and air delivery; When the pulling unit drives the coil forward, the ventilation unit supplies air, so that the adsorption platform is separated from the coil; when the printing unit prints, the pulling unit stops pulling, and the ventilation unit exhausts air, so that the adsorption platform and the coil are adsorbed and fixed; The flexible circuit board printer further comprises an independent positioning unit, wherein two independent positioning units are provided, and the two independent positioning units are respectively arranged at the front and rear ends of the screen; The independent position adjustment unit comprises: A first slide rail connected to the body; There are two movable seats, both of which are slidably connected to the first slide rail along the left-right direction, and the movable seats are detachably connected to the first slide rail and can be fixed at a preset position on the first slide rail; A clamping seat, corresponding to the movable seat one by one and fixed to the movable seat, a placement groove for the screen to extend into is provided on the side of the clamping seat away from the movable seat, and a clamping part for fixing the screen to the clamping seat is provided in the placement groove; A base is fixedly connected to one side of the machine body, and a spacing adjustment unit corresponding to the independent position adjustment unit is provided on the side of the base facing the screen; The spacing adjustment unit comprises: A movable arm is slidably connected to the base in a front-rear direction; A spacing lead screw is connected to the base by rotation around its own central axis and is threadedly connected to the moving arm; An integral positioning unit is provided below each of the movable arms, and the integral positioning unit comprises: A second slide rail connected to the movable arm, the second slide rail being arranged in a left-right direction, and the second slide rail being slidably connected to the first slide rail in the left-right direction; A slide seat, fixedly connected to the second slide rail; A slider, slidably connected to the slide seat along a left-right direction and fixedly connected to the first slide rail; An adjusting seat, fixedly connected to the top surface of the sliding seat; An adjusting member, which is retractable in length along the left-right direction, wherein the movable end of the adjusting member abuts against the outer wall of the adjusting seat, and the fixed end of the adjusting member is fixedly connected to the sliding block; An elastic member, fixedly connected between the slider and the second slide rail, and having a pre-tightening force for causing the adjustment seat to move closer to the adjustment member; The first slide rail is detachably connected to the second slide rail and fixed at a preset position on the second slide rail, and the flexible circuit board printing machine further includes a deviation correction unit; The correction unit comprises: A deviation-correcting screw, threadedly connected to the second slide rail; A second power member is fixedly connected to the first slide rail and is drivingly connected to the deviation-correcting lead screw; A deviation correction sensor is fixedly connected to the slide seat and is in communication connection with the second power member. The deviation correction sensor is used to monitor the edge position of the coil.

2. The flexible circuit board printer according to claim 1, characterized in that: It also includes a lifting unit, the lifting unit comprising: A lifting shaft is slidably connected to the movable arm along a vertical direction, and a bottom end of the lifting shaft is fixedly connected to the second slide rail; A lifting screw is connected to the moving arm by rotation around its own central axis, and the lifting screw is threadedly connected to the lifting shaft; A first power member is fixedly connected to the moving arm and is drivingly connected to the lifting screw; The guide assembly is retractable in length along the vertical direction and is fixed between the second slide rail and the moving arm.

3. The flexible circuit board printer according to claim 1, characterized in that: The rear end of the machine body is provided with a dust removal unit, and the dust removal unit comprises: Dust removal rollers, two of which are arranged along the front-to-back direction and are connected to the machine body by rotation around their own central axes, the axial direction of the dust removal rollers is parallel to the left-right direction, and the two dust removal rollers have a height difference; The first driving member is drivingly connected to the dust removal roller.

4. The flexible circuit board printer according to claim 3, characterized in that: The dust removal unit also includes: A dust sticking roller, corresponding to the dust removing roller one by one, and connected to the machine body by rotation around its own central axis, and the dust sticking roller is detachably connected to the machine body; A dust sticking roll, corresponding to the dust sticking roller one by one, and sleeved on the outer circumference of the dust sticking roller, wherein the dust sticking roll is detachably connected and fixed to the dust sticking roller; The second driving member is drivingly connected to the dust-sticking roller.

5. The flexible circuit board printer according to claim 1, characterized in that: The pulling unit comprises: A power assembly, used for pulling the coil forward; A mounting seat, arranged above the machine body; A spacing control sensor is fixedly connected to the mounting base, is in communication connection with the power assembly, and is used to monitor the advancing distance of the coil; The moving assembly drives the mounting seat to move so that the spacing control sensor corresponds to the coil.

6. The flexible circuit board printer according to claim 5, characterized in that: A positioning unit is provided at the rear side of the machine body, and the positioning unit comprises: A support plate, fixedly connected to the machine body and arranged to be tilted downward from front to rear; There are multiple pressure strips, which are arranged in sequence and spaced apart in the front-to-back direction; A telescopic member, which is telescopic in a direction perpendicular to the surface of the support plate, and the length of the telescopic member is telescopic in a direction perpendicular to the inclination direction of the support plate, wherein the fixed end of the telescopic member is fixedly connected to the support plate, and the movable end of the telescopic member is fixedly connected to the end of the pressure strip; Wherein, the telescopic members correspond to the pressure strips one by one, or one pressure strip corresponds to at least two telescopic members.

Images