Circuit board solder resist printing machine

Abstract

The utility model relates to the technical field of circuit boards, and particularly discloses a circuit board solder resist printing machine which comprises a machine body, a printing table is fixedly installed on the upper surface of the machine body, a lifting mechanism is fixedly installed on the upper surface of the machine body, and a moving assembly is fixedly installed at the control end of the lifting mechanism. A printing mechanism is arranged in the moving assembly, and a positioning assembly is fixedly installed on the bottom face of the moving assembly. According to the device, after the electromagnet is powered on, magnetic force is generated, the permanent magnet is attracted, the permanent magnet is promoted to be close to the electromagnet, meanwhile, the spring is compressed, the push block slides in the through opening and finally moves out of the positioning groove, positioning of the printing net is relieved, and convenience is provided for replacement of the printing net and plug pin operation; the permanent magnet is pushed to be away from the electromagnet, the push block resets accordingly, the printing screen is positioned again, the stability of the installed printing screen is guaranteed, the replacement efficiency is effectively improved, and it is guaranteed that the circuit board printing work is smoothly carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board technical field especially a circuit board solder mask printing machine. BACKGROUND

[0002] Circuit board is also called printed circuit board, PCB for short, which is the core basic part of various electronic systems, providing mechanical assembly support and electrical connection for various electronic systems, and bearing electronic device signal transmission, signal transceiver and power supply, and is called "mother of electronic products".

[0003] After searching, the Chinese patent with publication number CN215898117U discloses a circuit board solder mask printing machine, which comprises a printing machine main body, a printing table is arranged on the upper end outer surface of the printing machine main body, a protective ring is arranged on the upper end of the printing table, a storage rack is arranged on the upper end of the printing table, a connecting rod is arranged on the lower end of the storage rack, a rack is arranged on the front end of the connecting rod, a rotating handle is arranged on one side of the printing table, a rotating shaft is arranged on one end of the rotating handle, a gear is arranged on one end of the rotating shaft, a rotating seat is arranged on the outer side of the rotating shaft, a control panel is arranged on the front end outer surface of the printing machine main body, and a protective cover is arranged on the outer side of the control panel. The circuit board solder mask printing machine has the rotating handle and the rotating shaft, which is conducive to the lifting and lowering of the storage rack, improves the printing effect of the material, reduces the wear of the control panel by arranging the protective cover, and prolongs the service life of the control panel:

[0004] The above scheme can protect the control panel, but there are still some deficiencies in actual use, for example, the mesh of the printing screen will gradually wear out with the increase of the printing times in actual use, but the above scheme is not convenient for quick replacement of the printing screen, which requires the staff to spend a long time when replacing the printing screen, thereby affecting the printing progress of the circuit board.

[0005] Therefore, we propose a circuit board solder mask printing machine to solve the above problems. Utility model content

[0006] The utility model aims at providing a circuit board solder mask printing machine to solve the problems in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] A circuit board solder mask printing machine comprises a machine body, a printing table is fixedly installed on the upper surface of the machine body, a lifting mechanism is fixedly installed on the upper surface of the machine body, a moving assembly is fixedly installed at the control end of the lifting mechanism, a printing mechanism is arranged in the moving assembly, and a positioning assembly is fixedly installed on the bottom surface of the moving assembly.

[0009] In further embodiments, the front of the body is fixedly mounted with a console, the lifting mechanism comprises a support plate mounted on the upper surface of the body, the front of the support plate is provided with two sliding grooves, the inner walls of the two sliding grooves are jointly and slidably connected with a perforated control frame, the inner wall of the perforated control frame is threadedly connected with a first threaded rod, the back of the support plate is fixedly connected with a mounting plate, the bottom surface of the mounting plate is fixedly connected with a first servo motor, and the top end of the first threaded rod is fixedly connected with the output end of the first servo motor.

[0010] In further embodiments, the moving assembly comprises a horizontal plate mounted on the front of the perforated control frame, the inner wall of the horizontal plate is fixedly mounted with a second servo motor, the output end of the second servo motor is fixedly connected with a second threaded rod, and the left end of the second threaded rod penetrates through the printing mechanism and is threadedly connected with the inner wall of the printing mechanism.

[0011] In further embodiments, the positioning assembly comprises two perforated support rods mounted on the bottom surface of the horizontal plate, the inner wall of each perforated support rod is slidably connected with a U-shaped frame, the bottom end of each U-shaped frame is fixedly connected with a clamping plate, the inside of the two clamping plates is jointly provided with a printing net, the bottom surface of each clamping plate is provided with two through holes, the bottom surface of each clamping plate is fixedly connected with two cylinders, the inner bottom wall of each cylinder is fixedly connected with an electromagnet, the upper surface of each electromagnet is fixedly connected with a spring, the top end of each spring is fixedly connected with a permanent magnet, the upper surface of each permanent magnet is fixedly connected with a push block, the left and right side surfaces of the printing net are provided with two positioning grooves, and the top ends of the two groups of push blocks penetrate through the two groups of through holes and extend into the interiors of the two groups of positioning grooves.

[0012] In further embodiments, the upper surface of each perforated support rod is fixedly connected with a third servo motor, the output end of each third servo motor is fixedly connected with a third threaded rod, the upper surface of each U-shaped frame is fixedly embedded with a threaded tube, the top ends of the two third threaded rods extend into the two threaded tubes respectively, and the two third threaded rods are threadedly connected with the two threaded tubes respectively.

[0013] In further embodiments, the side surfaces of the two perforated support rods away from each other are hingedly connected with a rotating rod through two pin shafts, the side surfaces of the two groups of rotating rods away from each other are jointly and rotatably connected with a blocking rod through two groups of pin shafts, the side surfaces of the two perforated support rods away from each other are fixedly connected with two limiting columns, the back surface of each clamping plate is fixedly connected with a positioning block, and the inner wall of each clamping plate is fixedly connected with a limiting strip.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The device is provided with an electromagnet, which generates magnetic force after being electrified, adsorbs the permanent magnet, promotes the permanent magnet to approach the electromagnet, simultaneously compresses the spring, and makes the push block slide in the through opening, finally moves out of the positioning groove, releases the positioning of the printing net, provides convenience for the replacement of the printing net and the operation of the bolt, after the electromagnet is de-energized, the spring releases the elastic force, drives the permanent magnet away from the electromagnet, the push block is reset, and the printing net is positioned again, the stability of the printing net after installation is ensured, the printing net can be quickly replaced, the replacement efficiency is effectively improved, and the printed circuit board printing work is ensured to smoothly proceed.

[0016] The device is provided with a third servo motor, a third threaded rod and a threaded pipe, which can control the height adjustment of the U-shaped frame, so that the height of the printing net can be adjusted by the clamping plate, the printing mechanism can be controlled to move by the lifting mechanism and the moving assembly, and the printed circuit board can be printed by cooperating with the printing table. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the printed circuit board solder mask printer.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the printed circuit board solder mask printer.

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the printed circuit board solder mask printer.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the printed circuit board solder mask printer.

[0021] In the figure: 1, machine body; 101, control console; 2, lifting mechanism; 201, support plate; 202, sliding groove; 203, hole control frame; 204, first threaded rod; 205, first servo motor; 206, mounting plate; 3, moving assembly; 301, horizontal plate; 302, second servo motor; 303, second threaded rod; 4, positioning assembly; 401, hole support rod; 402, third servo motor; 403, third threaded rod; 404, U-shaped frame; 405, threaded pipe; 406, rotating rod; 407, stop rod; 408, clamping plate; 409, printing net; 410, limiting column; 411, permanent magnet; 412, cylinder; 413, electromagnet; 414, spring; 415, push block; 416, through opening; 417, positioning groove; 5, printing mechanism; 6, limiting strip; 7, positioning block; 8, printing table. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only 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 fall within the scope of the present application.

[0023] Please refer to Figures 1-4 In the present application, a circuit board solder mask printing machine comprises a machine body 1, a printing table 8 fixedly installed on the upper surface of the machine body 1, a lifting mechanism 2 fixedly installed on the upper surface of the machine body 1, a moving assembly 3 fixedly installed at the control end of the lifting mechanism 2, a printing mechanism 5 arranged in the moving assembly 3, and a positioning assembly 4 fixedly installed on the bottom surface of the moving assembly 3.

[0024] As shown in Figure 1 and Figure 2 , the front surface of the machine body 1 is fixedly installed with a control console 101, the lifting mechanism 2 comprises a support plate 201 installed on the upper surface of the machine body 1, two sliding grooves 202 are formed in the front surface of the support plate 201, a hole-equipped control frame 203 is connected to the inner walls of the two sliding grooves 202 in a sliding manner, a first threaded rod 204 is threadedly connected to the inner wall of the hole-equipped control frame 203, a mounting plate 206 is fixedly connected to the back surface of the support plate 201, a first servo motor 205 is fixedly connected to the bottom surface of the mounting plate 206, the top end of the first threaded rod 204 is fixedly connected to the output end of the first servo motor 205, and through the cooperation of the first servo motor 205 and the first threaded rod 204, the first threaded rod 204 can control the up-and-down movement of the hole-equipped control frame 203 and adjust the position of the hole-equipped control frame 203.

[0025] As shown in Figure 1 and Figure 2 , the moving assembly 3 comprises a horizontal plate 301 installed on the front surface of the hole-equipped control frame 203, a second servo motor 302 is fixedly installed on the inner wall of the horizontal plate 301, a second threaded rod 303 is fixedly connected to the output end of the second servo motor 302, the left end of the second threaded rod 303 penetrates through the printing mechanism 5 and is threadedly connected to the inner wall of the printing mechanism 5, and through the cooperation of the second servo motor 302 and the second threaded rod 303, the position of the printing mechanism 5 can be adjusted, so that the printing mechanism 5 can print the circuit board.

[0026] As shown in Figure 1 Figure 2 , Figure 3 and Figure 4As shown, the positioning assembly 4 comprises two hole support rods 401 mounted on the bottom surface of the horizontal plate 301, the inner wall of each hole support rod 401 is slidably connected with a U-shaped frame 404, the bottom end of each U-shaped frame 404 is fixedly connected with a clamping plate 408, the inside of the two clamping plates 408 is commonly provided with a printing net 409, the bottom surface of each clamping plate 408 is provided with two through holes 416, the bottom surface of each clamping plate 408 is fixedly connected with two cylinder bodies 412, the inner bottom wall of each cylinder body 412 is fixedly connected with an electromagnet 413, the upper surface of each electromagnet 413 is fixedly connected with a spring 414, the top end of each spring 414 is fixedly connected with a permanent magnet 411, the upper surface of each permanent magnet 411 is fixedly connected with a push block 415, the left and right sides of the printing net 409 are provided with two positioning grooves 417, the top ends of the two groups of push blocks 415 respectively penetrate through the two groups of through holes 416 and extend into the inside of the two groups of positioning grooves 417, through the cooperation of the electromagnet 413 and the permanent magnet 411, the push block 415 can be moved downward, thereby releasing the positioning of the printing net 409, so that the staff can conveniently replace and disassemble the printing net 409.

[0027] As shown in Figure 1 and Figure 2 each hole support rod 401 is fixedly connected with a third servo motor 402, the output end of each third servo motor 402 is fixedly connected with a third threaded rod 403, the upper surface of each U-shaped frame 404 is fixedly embedded with a threaded pipe 405, the top ends of the two third threaded rods 403 respectively extend to the two threaded pipes 405, the two third threaded rods 403 are threadedly connected with the two threaded pipes 405, through the cooperation of the third servo motor 402, the threaded pipe 405 and the third threaded rod 403, the position of the clamping plate 408 can be controlled.

[0028] As shown in Figure 1 Figure 2 , Figure 3 and Figure 4 the two hole support rods 401 are hingedly connected with a rotating rod 406 through two pin shafts away from each other, the two groups of rotating rods 406 are rotatably connected with a blocking rod 407 through two groups of pin shafts away from each other, the two hole support rods 401 are fixedly connected with two limiting columns 410 away from each other, the back surface of each clamping plate 408 is fixedly connected with a positioning block 7, the inner wall of each clamping plate 408 is fixedly connected with a limiting strip 6, through the positioning block 7, the printing net 409 can be limited, preventing the printing net 409 from being misaligned, and through the limiting strip 6, the printing net 409 can be limited in the left and right directions, preventing the printing net 409 from sliding left and right during use.

[0029] The working principle of the utility model is:

[0030] In use, the first threaded rod 204 is rotated by starting the first servo motor 205, the first threaded rod 204 is connected with the threaded connection of the hole control frame 203, the hole control frame 203 can drive the horizontal plate 301 to move up and down, the height of the printing mechanism 5 is adjusted, then the second servo motor 302 is started, the second servo motor 302 adjusts the horizontal position of the printing mechanism 5 in cooperation with the second threaded rod 303, the circuit board is placed on the printing table 8, the printing mechanism 5 produces the circuit board, after the printing screen 409 is damaged, the electromagnet 413 is started, the electromagnet 413 is compressed through the magnetic force with the permanent magnet 411, and then the push block 415 can move downward, the positioning of the printing screen 409 is released, the staff replaces the printing screen 409, after the replacement is completed, the electromagnet 413 is closed, at this time the magnetic force of the permanent magnet 411 and the electromagnet 413 disappears, and then the spring 414 pushes the push block 415 to reset, the push block 415 is inserted into the inside of the positioning groove 417, and the replacement of the printing screen 409 is completed.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by the skilled in the art.

Claims

1. A circuit board solder resist printer characterized by: The utility model provides printing equipment, including body (1), the upper surface of body (1) is fixedly installed with printing platform (8), the upper surface of body (1) is fixedly installed with lifting mechanism (2), the control end of lifting mechanism (2) is fixedly installed with moving assembly (3), the inside of moving assembly (3) is equipped with printing mechanism (5), the bottom surface of moving assembly (3) is fixedly installed with positioning assembly (4).

2. The circuit board solder resist printer of claim 1, wherein: The front of body (1) is fixedly installed with control cabinet (101), the lifting mechanism (2) includes the support plate (201) installed on the upper surface of body (1), the front of support plate (201) is equipped with two sliding grooves (202), and the inner wall of two sliding grooves (202) is jointly connected with the control frame (203) with hole, the inner wall of control frame (203) with hole is threadedly connected with first threaded rod (204), the back of support plate (201) is fixedly connected with mounting plate (206), the bottom surface of mounting plate (206) is fixedly connected with first servo motor (205), and the top end of first threaded rod (204) is fixedly connected with the output end of first servo motor (205).

3. The circuit board solder resist printer of claim 2, wherein: The moving assembly (3) includes the horizontal plate (301) installed on the front of control frame (203) with hole, the inner wall of horizontal plate (301) is fixedly installed with second servo motor (302), the output end of second servo motor (302) is fixedly connected with second threaded rod (303), and the left end of second threaded rod (303) penetrates printing mechanism (5) and is threadedly connected with the inner wall of printing mechanism (5).

4. The circuit board solder resist printer of claim 3, wherein: The positioning assembly (4) includes two hole support rods (401) installed on the bottom surface of horizontal plate (301), the inner wall of each hole support rod (401) is slidably connected with U-shaped frame (404), the bottom end of each U-shaped frame (404) is fixedly connected with clamping plate (408), the inside of two clamping plates (408) is jointly provided with printing net (409), the bottom surface of each clamping plate (408) is provided with two through holes (416), the bottom surface of each clamping plate (408) is fixedly connected with two cylinder bodies (412), the inner bottom wall of each cylinder body (412) is fixedly connected with electromagnet (413), the upper surface of each electromagnet (413) is fixedly connected with spring (414), the top end of each spring (414) is fixedly connected with permanent magnet (411), the upper surface of each permanent magnet (411) is fixedly connected with push block (415), the left and right side surfaces of printing net (409) are provided with two positioning grooves (417), and the top end of two groups of push blocks (415) penetrates two groups of through holes (416) and extends to the inside of two groups of positioning grooves (417) respectively.

5. The circuit board solder resist printer of claim 4, wherein: The upper surface of each of the hole supporting rods (401) is fixedly connected with a third servo motor (402), the output end of each of the third servo motors (402) is fixedly connected with a third threaded rod (403), the upper surface of each of the U-shaped frames (404) is fixedly embedded with a threaded tube (405), the top end of two third threaded rods (403) respectively extends to two threaded tubes (405), and two third threaded rods (403) are respectively in threaded connection with two threaded tubes (405).

6. The circuit board solder resist printer of claim 5, wherein: The side face, away from each other, of two hole supporting rods (401) is hingedly connected with a rotating rod (406) through two pin shafts, the side face, away from each other, of two groups of rotating rods (406) is commonly rotatably connected with a blocking rod (407) through two groups of pin shafts, the side face, away from each other, of two hole supporting rods (401) is fixedly connected with two limiting columns (410), the back surface of each clamping plate (408) is fixedly connected with a positioning block (7), and the inner wall of each clamping plate (408) is fixedly connected with a limiting strip (6).

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