Printed circuit board (PCB) jet printing equipment

Abstract

The utility model discloses a printed circuit board (PCB) jet printing device which comprises an outer bearing frame and further comprises an inner driving frame, the inner driving frame is connected inside the outer bearing frame in a sliding mode, self-locking motors are installed on the two sides of the top of the outer bearing frame, and the output ends of the self-locking motors are connected with lead screw transmission assemblies. The lead screw transmission assembly is connected with a sliding arm fixed to the inner driving frame. The adjusting sliding rails are arranged on the two sides of the interior of the inner driving frame correspondingly. During operation, the self-locking motor is started to be matched with the transmission effect of a ball screw and a nut seat on the screw transmission assembly, so that the sliding arm and the inner driving frame can be driven to lift up and down, and a jet printing mechanism formed by splicing two groups of first nozzles, second nozzles and third nozzles symmetrically distributed on the two sides in the inner driving frame is formed; synchronous jet printing processing can be carried out on the front face and the back face of the PCB product, one-time jet printing processing of the two faces of the PCB product can be achieved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board production and processing technical field, concretely to a kind of PCB board printing equipment. BACKGROUND

[0002] PCB board is one of the core components of electronic equipment, is widely used in mobile phone, computer, household appliance and industrial control equipment and other fields, it can play the role of physical support component and realize circuit electrical connection, considering actual utilization, electronic component needs to be welded fixed on PCB board, thus it needs to utilize PCB board printing equipment to carry out printing processing, so as to provide smooth welding surface.

[0003] Since PCB board printing equipment can only print one surface of PCB board product at a time in actual operation, it is not easy to realize double-sided synchronous printing of PCB board product, and the processing efficiency is low, and the spraying structure is not easy to adjust flexibly according to the size specification of product, which leads to the problem that local printing of product cannot be carried out when spraying structure is short, and spraying material is wasted when spraying structure is long, therefore, a new type of PCB board printing equipment is proposed to realize efficient printing processing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of PCB board printing equipment to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of PCB board printing equipment, including outer bearing frame, further comprising

[0006] Inner drive frame, the inner drive frame is slidably connected in the inside of outer bearing frame, both sides of the top of outer bearing frame are equipped with self-locking motor, the output end of self-locking motor is connected with screw rod transmission assembly, and sliding arm fixed with inner drive frame is connected on screw rod transmission assembly;

[0007] Adjusting slide rail, the adjusting slide rail is respectively arranged at the both sides in the inside of inner drive frame, and the both ends of adjusting slide rail are slidably connected with adjusting slide strip, and first nozzle, second nozzle and third nozzle are sequentially installed between adjacent adjusting slide strips;

[0008] The top of the inner drive frame is fixed with main storage tank, the outer wall of main storage tank is equipped with PLC controller, the top of main storage tank is threadedly connected with auxiliary storage tank, and the both sides of the top of main storage tank are respectively equipped with the metering pump of printing special purpose that is connected with first nozzle.

[0009] Further, the both sides of the end of outer bearing frame away from screw rod transmission assembly are fixed with limit slide rod, and the inner drive frame is provided with limit slide sleeve slidably connected with limit slide rod.

[0010] Further, the bottom of the outer carrier is provided with an electric telescopic rod, and the output end of the electric telescopic rod is provided with a pressure sensing sheet.

[0011] Further, the top of the adjusting slide is threadedly connected with a locking bolt matched with the adjusting slide rail, and the bottom of the locking bolt is provided with an anti-skid silica gel layer, so that the adjusting slide and the adjusting slide rail can be fixed by the locking bolt.

[0012] Further, the first nozzle and the third nozzle are fixedly connected with the adjusting slide, the first nozzle and the second nozzle are provided with a first sealing clamping pipe, and the third nozzle and the second nozzle are provided with a second sealing clamping pipe.

[0013] Further, the first sealing clamping pipe and the second sealing clamping pipe are clamped and connected, and the first nozzle is connected with a corrugated hose of a special metering pump.

[0014] Further, the bottom of the auxiliary storage tank is provided with a threaded fixed insertion pipe matched with the main storage tank, and the threaded fixed insertion pipe is provided with an on-off valve.

[0015] Compared with the prior art, the PCB printing equipment has the advantages that:

[0016] The PCB printing equipment is provided with the adjusting slide rail, the adjusting slide, the first nozzle, the second nozzle, the third nozzle, the first sealing clamping pipe, the second sealing clamping pipe, the locking bolt, the threaded fixed insertion pipe, the on-off valve, the self-locking motor, the ball screw and the nut seat, and the like, so that the performance of the device is optimized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a top view structure schematic diagram of the utility model;

[0018] Figure 2 It is a front view structural schematic diagram of the utility model;

[0019] Figure 3 It is a first nozzle top view structural schematic diagram of the utility model;

[0020] Figure 4 It is a first nozzle top view structural schematic diagram of the utility model Figure 1 It is a first nozzle top view structural schematic diagram of the utility model.

[0021] In the figure: 1, outer bearing frame; 2, inner drive frame; 3, special metering pump for printing; 4, main storage tank; 5, auxiliary storage tank; 6, corrugated hose; 7, first nozzle; 8, threaded fixed cannula; 9, on-off valve; 10, PLC controller; 11, limit sliding sleeve; 12, limit sliding rod; 13, electric telescopic rod; 14, self-locking motor; 15, sliding arm; 16, screw transmission assembly; 18, pressure sensor; 19, first sealing clamping pipe; 20, second sealing clamping pipe; 21, second nozzle; 22, third nozzle; 23, adjusting slide rail; 24, adjusting slide; 25, locking bolt. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0024] In the present application, unless otherwise stated, the orientation words such as "up, down, top, bottom" are generally directed to the direction shown in the drawings, or are directed to the vertical, perpendicular or gravity direction of the components themselves. Similarly, for the convenience of understanding and description, "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0025] Please refer to Figures 1-4 The present application provides an embodiment: a PCB printing equipment, which comprises an outer bearing frame 1, and further comprises

[0026] An inner drive frame 2 is slidably connected to the inside of the outer bearing frame 1, and a self-locking motor 14 is installed on both sides of the top of the outer bearing frame 1. The output end of the self-locking motor 14 is connected with a screw transmission assembly 16, and the screw transmission assembly 16 is connected with a sliding arm 15 fixed with the inner drive frame 2;

[0027] The adjusting slide rails 23 are arranged on both sides of the inner drive frame 2, and the two ends of the adjusting slide rails 23 are slidably connected with adjusting slide strips 24, and the first spray head 7, the second spray head 21 and the third spray head 22 are sequentially arranged between the adjacent adjusting slide strips 24;

[0028] The top of the adjusting slide strip 24 is threadedly connected with a locking bolt 25 matched with the adjusting slide rail 23, and the bottom of the locking bolt 25 is provided with an anti-skid silica gel layer, so that the adjusting slide strip 24 and the adjusting slide rail 23 can be fixed by the locking bolt 25;

[0029] The first spray head 7 and the third spray head 22 are adhesively fixed with the adjusting slide strip 24, and the first spray head 7 and the second spray head 21 are provided with a first sealing clamping pipe 19, and the third spray head 22 and the second spray head 21 are provided with a second sealing clamping pipe 20;

[0030] The first sealing clamping pipe 19 and the second sealing clamping pipe 20 are clamped and connected, and the first spray head 7 is connected with the special metering pump 3 through the corrugated hose 6;

[0031] In use, the two adjusting slide rails 23 are symmetrically arranged in front of and behind the inner drive frame 2, and the two adjusting slide strips 24 are slidably connected with the adjusting slide rails 23, and the first spray head 7 and the third spray head 22 are fixed on the two adjusting slide strips 24, respectively, and the second spray head 21 is sequentially assembled between the first spray head 7 and the third spray head 22 through the clamping and connecting action between the first sealing clamping pipe 19 and the second sealing clamping pipe 20, and the appropriate number of second spray heads 21 are assembled between the first spray head 7 and the third spray head 22 to form a corresponding horizontal printing length, and the adjusting slide strips 24 on the first spray head 7 and the third spray head 22 are fixed on the adjusting slide rail 23 through the locking bolt 25, thereby enhancing the applicability of the device;

[0032] The top end of the inner drive frame 2 is fixed with the main storage tank 4, the outer wall of the main storage tank 4 is provided with the PLC controller 10, the top of the main storage tank 4 is threadedly connected with the auxiliary storage tank 5, and the two sides of the top of the main storage tank 4 are respectively provided with the special metering pump 3 connected with the first spray head 7;

[0033] The two sides of the end of the outer bearing frame 1 away from the lead screw transmission assembly 16 are fixed with the limiting slide rods 12, and the inner drive frame 2 is provided with the limiting slide sleeves 11 slidably connected with the limiting slide rods 12;

[0034] The bottoms of the two ends of the outer bearing frame 1 are provided with the electric telescopic rods 13, and the output ends of the electric telescopic rods 13 are provided with the pressure sensitive sheets 18;

[0035] When in use, the PCB product to be processed is inserted between the two first nozzles 7 and placed vertically at the bottom end inside the outer carrier frame 1, then the two electric telescopic rods 13 are started to press the PCB product to be fixed, and the pressure sensing sheet 18 arranged at the output end of the electric telescopic rod 13 can monitor the pressing force to avoid the problem of over-looseness or over-tightness when fixing the PCB product.

[0036] The bottom of the auxiliary storage tank 5 is provided with a threaded fixing pipe 8 matched with the main storage tank 4, and a switch valve 9 is arranged on the threaded fixing pipe 8.

[0037] The working principle of the device is as follows: an external power supply is connected, first, the user inserts the PCB product to be processed between the two first nozzles 7 and places it vertically at the bottom end inside the outer carrier frame 1, then starts the two electric telescopic rods 13 to press the PCB product to be fixed, and the pressure sensing sheet 18 arranged at the output end of the electric telescopic rod 13 can monitor the pressing force to avoid the problem of over-looseness or over-tightness when fixing the PCB product, at the same time, two adjusting sliding rails 23 are symmetrically distributed in front of and behind the inner drive frame 2, and two adjusting sliding strips 24 are slidingly connected to the two adjusting sliding rails 23, and the first nozzle 7 and the third nozzle 22 are fixed on the two adjusting sliding strips 24 respectively, and the first sealing clamping pipe 19 and the second sealing clamping pipe 20 are clamped and connected, and the second nozzle 21 is sequentially assembled between the first nozzle 7 and the third nozzle 22, the assembling structure is convenient for the user to assemble the second nozzle 21 between the first nozzle 7 and the third nozzle 22 according to the horizontal length of the PCB product to be processed, and the corresponding horizontal printing length is formed, and the adjusting sliding strips 24 on the first nozzle 7 and the third nozzle 22 are fixed and locked at the corresponding positions of the adjusting sliding rails 23 through the locking bolt 25, thereby enhancing the applicability of the device, in actual operation, on the one hand, the self-locking motor 14 is started, and the driving effect of the ball screw and the nut seat on the screw rod transmission assembly 16 can drive the sliding arm 15 and the inner drive frame 2 to move up and down, thereby enabling the printing mechanism composed of the two groups of first nozzles 7, second nozzles 21 and third nozzles 22 symmetrically distributed inside the inner drive frame 2 to perform synchronous printing processing on the front and back of the PCB product, which can realize one-time printing processing of the PCB product on both sides, thereby improving the work efficiency, on the other hand, the two special printing metering pumps 3 on the main storage tank 4 are started to independently and automatically supply materials to the printing mechanism composed of the two groups of first nozzles 7, second nozzles 21 and third nozzles 22 through the corrugated hose 6, finally, the user can close the switch valve 9 on the threaded fixing pipe 8, and quickly remove the empty auxiliary storage tank 5 and replace it with the full one through the threaded connection between the threaded fixing pipe 8 and the main storage tank 4, which makes the device convenient for supplying printing materials.

[0038] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0039] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0040] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0041] The preferred embodiments of the present application have been described above with the specific embodiments. The application can be modified and changed by those skilled in the art without departing from the spirit and principle of the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A PCB printing machine, comprising an outer support frame (1), characterized in that: Also includes The inner drive frame (2) is slidably connected to the inside of the outer support frame (1). Self-locking motors (14) are installed on both sides of the top of the outer support frame (1). The output end of the self-locking motor (14) is connected to a screw drive assembly (16). A sliding arm (15) fixed to the inner drive frame (2) is connected to the screw drive assembly (16). Adjustable slide rail (23), the adjustable slide rail (23) is respectively set on both sides inside the inner drive frame (2), and the two ends of the adjustable slide rail (23) are slidably connected with the adjustable slide bar (24). The first nozzle (7), the second nozzle (21) and the third nozzle (22) are installed in sequence between adjacent adjustable slide bars (24). The top of the inner drive frame (2) is fixed with a main storage tank (4), and a PLC controller (10) is installed on the outer wall of the main storage tank (4). The top of the main storage tank (4) is threaded with a secondary storage tank (5). On both sides of the top of the main storage tank (4), a special printing metering pump (3) connected to the first printhead (7) is installed.

2. The PCB board inkjet printing equipment according to claim 1, characterized in that, The outer support frame (1) has limit slide rods (12) fixed on both sides of the end away from the screw drive assembly (16), and the inner drive frame (2) is provided with a limit sleeve (11) that is slidably connected to the limit slide rod (12).

3. The PCB board inkjet printing equipment according to claim 1, characterized in that, Electric telescopic rods (13) are installed at the bottom of both ends of the outer support frame (1), and pressure sensing plates (18) are provided at the output end of the electric telescopic rods (13).

4. The PCB board inkjet printing equipment according to claim 1, characterized in that, The top of the adjusting slide (24) is threaded with a locking bolt (25) that matches the adjusting slide rail (23), and the bottom of the locking bolt (25) is provided with an anti-slip silicone layer.

5. A PCB board inkjet printing device according to claim 1, characterized in that, The first nozzle (7) and the third nozzle (22) are both bonded and fixed to the adjusting slide (24). The first nozzle (7) and the second nozzle (21) are both provided with a first sealing clip tube (19), and the third nozzle (22) and the second nozzle (21) are both provided with a second sealing clip tube (20).

6. The PCB board inkjet printing equipment according to claim 5, characterized in that, The first sealing connector (19) and the second sealing connector (20) form a snap-fit ​​connection, and a corrugated hose (6) is connected between the first printhead (7) and the printing-specific metering pump (3).

7. The PCB board inkjet printing equipment according to claim 1, characterized in that, The bottom of the auxiliary storage tank (5) is provided with a threaded fixing tube (8) that matches the main storage tank (4), and a switch valve (9) is installed on the threaded fixing tube (8).

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