CN211591722U

CN211591722U - Circuit board silk screen printing device

Info

Publication number: CN211591722U
Application number: CN202020003733.1U
Authority: CN
Inventors: 戴六华; 胡文文; 孙坤胜
Original assignee: Wuhan Zhongxunda Electronic Co Ltd
Current assignee: Wuhan Zhongxunda Electronic Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-09-29
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a circuit board silk screen printing device in the technical field of circuit board production, which comprises a workbench, double-screw bolts are all screwed in the four corners of the top wall of the workbench, buffer springs are sleeved on the outer wall of the double-screw bolts, the outer wall of the double-screw bolts is screwed with a height adjusting nut of a printing screen plate bearing plate, the top wall of the double-screw bolts is screwed with a polished rod, the top wall of the polished rod is screwed with a top plate, the middle part of the bottom wall of the top plate is screwed with a sliding plate cylinder, the bottom end of the sliding plate cylinder is screwed with a sliding plate, the outer wall of the double-screw bolts is sleeved with the printing screen plate bearing plate, the outer wall of the printing screen plate bearing plate is clamped with a screw rod, the outer wall of the screw rod is screwed with a fastening nut, a supporting plate is welded at the inner, the PCB fixing device is convenient to use, meets the printing requirements of PCBs with different thicknesses, and meets the fixed printing requirements of printing screens with different specifications.

Description

Circuit board silk screen printing device

Technical Field

The utility model discloses a circuit board silk screen printing device specifically is circuit board production technical field.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The Circuit Board can be called as a Printed Circuit Board or a Printed Circuit Board, the english name is (Printed Circuit Board) PCB, (Flexible Printed Circuit Board) FPC Circuit Board and soft and hard combined Board-the birth and development of FPC and PCB, and the new product of soft and hard combined Board is promoted. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

The height of a printing screen plate in the existing circuit board silk-screen printing device can not be adjusted mostly, and the printing screen plate needs to be increased through a cushion block when facing circuit boards with different thicknesses, so that the stability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board silk screen printing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a circuit board silk screen printing device comprises a workbench, wherein studs are screwed at four corners of the top wall of the workbench, buffer springs are sleeved on the outer walls of the studs, printing screen plate bearing plate height adjusting nuts are screwed on the outer walls of the studs, a PCB fixing table is fixedly installed at the middle part of the top wall of the workbench, polished rods are screwed on the top wall of the studs, top plates are screwed on the top wall of the polished rods, slide plate cylinders are screwed on the middle part of the bottom wall of each top plate, slide plates are screwed on the bottom ends of the slide plate cylinders, one ends of the polished rods penetrate through the outer wall of each slide plate, printing screen plate bearing plates are sleeved on the outer walls of the studs, screw rods are clamped on the outer walls of the printing screen plate bearing plates, one ends of the screw rods penetrate through the outer walls of the printing screen plate bearing plates, fastening nuts are screwed on the outer walls of the, the upper portion of printing screen board loading board is provided with the scraper, the left wall spiro union of scraper has the scraper cylinder, the tip of scraper cylinder and the diapire spiro union of slide, the inner chamber upper portion of scraper is provided with the pay-off box.

Preferably, the inner wall of the supporting plate is bonded with an anti-skid rubber pad.

Preferably, the inner cavity of the scraper is V-shaped.

Preferably, the stabilizer bar is welded to the outer wall of the support plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device is provided with a printing screen plate bearing plate, a stud, a buffer spring and a printing screen plate bearing plate height adjusting nut, the printing screen plate bearing plate height adjusting nut is screwed to move up and down along the stud, and the distance between the printing screen plate bearing plate and a PCB fixing table is adjusted, so that the printing of PCBs with different thicknesses is met;

2) the device is provided with the screw rods, the support plates and the fastening nuts, and the length of the screw rods in the inner cavity of the printing screen plate bearing plate is adjusted by screwing the fastening nuts, so that the four groups of support plates fix the printing screen plates in the inner cavity of the printing screen plate bearing plate, and the fixed printing of the printing screen plates with different specifications is met;

3) this device sets up scraper, scraper cylinder and pay-off box, and scraper cylinder reciprocating motion drives scraper and pay-off box along the outer wall round trip movement of printing screen board, realizes the silk screen printing of circuit board, and the inner chamber of scraper is directly sent into with the printing material to the pay-off box, avoids the printing material to pile up the border at the galley because of the removal of scraper, and this device simple structure, convenient to use satisfies the printing of the PCB board of different thickness, satisfies the fixed printing of different specification printing screen boards.

Drawings

Fig. 1 is a schematic front view of the circuit board screen printing device of the present invention;

FIG. 2 is a schematic top view of the printing screen plate carrier plate of the present invention;

fig. 3 is a schematic top view of the scraper of the present invention.

In the figure: 100 work bench, 110 screw bolt, 120 buffer spring, 130 printing screen plate height adjusting nut, 140PCB plate fixing bench, 150 polished rod, 160 top plate, 170 sliding plate cylinder, 180 sliding plate, 200 printing screen plate, 210 screw rod, 220 supporting plate, 300 scraper, 310 scraper cylinder, 320 feeding box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a circuit board silk screen printing device, satisfy the printing of the PCB board of different thickness, satisfy the fixed printing of different specification printing screen boards, please refer to fig. 1, including workstation 100, workstation 100's roof four corners all spiro union has double-screw bolt 110, double-screw bolt 110's outer wall has cup jointed buffer spring 120, double-screw bolt 110's outer wall spiro union has printing screen board loading board height-adjusting nut 130, workstation 100's roof middle part fixed mounting has PCB board fixed station 140, double-screw bolt 110's roof spiro union has polished rod 150, polished rod 150's roof spiro union has roof 160, roof 160's bottom middle part spiro union has slide cylinder 170, slide cylinder 170's bottom spiro union has slide 180, one end of polish rod 150 runs through the outer wall of slide 180, double-screw bolt 110 is used for cooperating printing screen board loading board height-adjusting nut 130 to adjust the height of printing screen board loading board 200, polished rod 150, the top plate 160 is used for fixing the sliding plate cylinder 170, and the sliding plate cylinder 170 is used for driving the scraper 300 to move up and down;

referring to fig. 1 and 2, a printing screen plate bearing plate 200 is sleeved on an outer wall of a stud 110, a screw 210 is clamped on the outer wall of the printing screen plate bearing plate 200, one end of the screw 210 penetrates through the outer wall of the printing screen plate bearing plate 200, a fastening nut is screwed on the outer wall of the screw 210, a supporting plate 220 is welded at the inner end of the screw 210, the supporting plate 220 is located in an inner cavity of the printing screen plate bearing plate 200, the printing screen plate bearing plate 200 is used for bearing a printing screen plate, the screw 210 is used for adjusting the distance of the supporting plate 220 through the fastening nut, and the supporting;

referring to fig. 1 and 3, a scraper 300 is arranged on the upper portion of the printing screen plate bearing plate 200, a scraper cylinder 310 is screwed on the left wall of the scraper 300, the end portion of the scraper cylinder 310 is screwed with the bottom wall of the sliding plate 180, a feeding box 320 is arranged on the upper portion of the inner cavity of the scraper 300, the scraper 300 is used for uniformly coating the printing material along the outer wall of the printing screen plate, the scraper cylinder 310 is used for driving the scraper 300 to move, and the feeding box 320 is used for feeding the printing material towards the inner cavity of the scraper 300;

referring to fig. 2, an anti-slip rubber pad is adhered to an inner wall of the supporting plate 220, and the anti-slip rubber pad is used for increasing a friction force between the supporting plate 220 and the printing screen;

referring to fig. 3, the inner cavity of the scraper 300 is V-shaped, when the printing material is pressed back and forth by the inner wall of the scraper 300, because the inner wall of the scraper 300 is V-shaped, when the printing material is smeared rightwards by the scraper 300, the printing material is concentrated at the left part of the inner cavity of the scraper 300, when the printing material is smeared leftwards by the scraper 300, the printing material is separated by the protrusion at the right part of the inner cavity of the scraper 300, and the printing material moves back and forth towards the inner cavity of the scraper 300;

referring to fig. 2, a stabilizer bar is welded to an outer wall of the supporting plate 220 to improve stability between the supporting plate 220 and the screw 210.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a circuit board silk screen printing device, includes workstation (100), its characterized in that: the four corners of the top wall of the workbench (100) are all in threaded connection with the studs (110), the outer wall of each stud (110) is sleeved with a buffer spring (120), the outer wall of each stud (110) is in threaded connection with a printing screen plate bearing plate height adjusting nut (130), the middle of the top wall of the workbench (100) is fixedly provided with a PCB (printed circuit board) fixing table (140), the top wall of each stud (110) is in threaded connection with a polished rod (150), the top wall of each polished rod (150) is in threaded connection with a top plate (160), the middle of the bottom wall of each top plate (160) is in threaded connection with a sliding plate cylinder (170), the bottom end of each sliding plate cylinder (170) is in threaded connection with a sliding plate (180), one end of each polished rod (150) penetrates through the outer wall of each sliding plate (180), the outer wall of each stud (110) is sleeved with a printing screen plate bearing plate (200), a screw rod (210) is clamped, the outer wall spiro union of screw rod (210) has fastening nut, the inner welding of screw rod (210) has backup pad (220), backup pad (220) are located the inner chamber of printing screen board loading board (200), the upper portion of printing screen board loading board (200) is provided with scraper (300), the left wall spiro union of scraper (300) has scraper cylinder (310), the tip of scraper cylinder (310) and the diapire spiro union of slide (180), the inner chamber upper portion of scraper (300) is provided with pay-off box (320).

2. The device of claim 1, wherein: the inner wall of the supporting plate (220) is bonded with an anti-skid rubber pad.

3. The device of claim 1, wherein: the inner cavity of the scraper (300) is V-shaped.

4. The device of claim 1, wherein: the outer wall of the supporting plate (220) is welded with a stabilizing rod.