Automatic multi-head dotting device capable of quickly replacing mold

By designing an automatic multi-head marking device, which uses sensors and electromagnets to drive the mold to mark PCB boards, and combining buffer springs and adjustment mechanisms, the problems of high cost and large space occupation of existing devices are solved, and efficient and fast marking and mold replacement are achieved.

CN223863771UActive Publication Date: 2026-02-03JIANGSU WANSHAN IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520545675.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-03
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing PCB circuit board marking devices are expensive, take up a lot of space, and are inefficient when used manually.

Method used

An automatic multi-head marking device was designed, comprising a gantry frame, a marking mechanism, sensors, and an adjustment mechanism. The device identifies the position of the PCB board through sensors, drives the mold to move and mark the dots through an electromagnet, and enables quick mold replacement and angle adjustment through a buffer spring and an adjustment mechanism.

Benefits of technology

It enables efficient and rapid marking of PCB boards, reduces equipment costs, saves space, and avoids damage to the PCB board during mold changes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223863771U_ABST
    Figure CN223863771U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) dotting processing devices, and provides an automatic multi-head dotting device capable of quickly replacing a mold, which comprises a portal frame, a controller is arranged on the outer wall of the portal frame, and the controller identifies the position of a PCB through a sensor signal and drives an electromagnet to drive the mold to move according to a preset program. A dotting pen on the mold performs dotting marking on the PCB, a dotting mechanism is installed on the outer wall of the portal frame, the dotting mechanism comprises an electromagnet fixedly installed on one side of the portal frame, the output end of the electromagnet is connected with a frame plate, a countersunk bolt is installed in the frame plate, a sliding block is installed on the outer wall of the frame plate, and the sliding block is connected with the electromagnet. And a positioning bolt is mounted in the frame plate. Due to the fact that the downward-through sliding grooves are formed in the pulling lugs on the two sides of the mold, the mold can slide and move upwards along the positioning bolts, the mold sliding grooves can be moved out along the positioning bolts when the mold is pulled upwards, and the mold can be rapidly replaced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board dotting processing device technical field, especially in kind can quick replacement mould's automatic multi -head dotting device. BACKGROUND

[0002] PCB circuit board, that is, printed circuit board, is an important electronic component, is the support body and the provider of electrical connection of electronic component, and the PCB circuit board is with insulating plate as base material, forms one or more conductive patterns on the surface through specific manufacturing process, such as light drawing, etching, electroplating etc., including copper foil circuit, via, pad etc.

[0003] The current dotting mode commonly used has the following two kinds: 1, through the arrangement personnel hand draws a point, 16000 points are drawn every 8 hours, the efficiency is poor, consumes manpower, and it is not convenient to stably and efficiently dot the PCB board. 2, multiple code spraying machines are erected on each production line (each 2000 yuan, according to the PCB board, 2-4 machines are needed for each production line), and the device cost is high, and the space is large. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of automatic multi -head dotting device of quick replacement mould, to solve the defects of high equipment cost, large space occupation and poor artificial efficiency of existing dotting device.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of automatic multi -head dotting device of quick replacement mould, including portal frame;

[0006] The outer wall of the portal frame is provided with a controller, and the outer wall of the portal frame is provided with a dotting mechanism;

[0007] The dotting mechanism includes an electromagnet fixedly installed on one side of the portal frame, the output end of the electromagnet is connected with a bracket plate, the inside of the bracket plate is provided with a countersunk bolt, the outer wall of the bracket plate is provided with a sliding block, the inside of the bracket plate is provided with a positioning bolt, the outer wall of the positioning bolt is provided with a mold, the inside of the mold is provided with a movable slot, the inside of the mold is provided with a clamping groove, and the clamping groove is provided with a dotting pen.

[0008] Preferably, the bracket plate is fixedly installed with the sliding block through the countersunk bolt, the positioning bolt forms a sliding structure with the mold through the movable slot, and the mold is connected with the dotting pen through the clamping groove.

[0009] Preferably, one side of the gantry is fixedly connected with a supporting block, the top of the supporting block is fixedly connected with a guide rod, and the outer wall of the guide rod is sleeved with a buffer spring.

[0010] Preferably, the guide rod and the sliding block form a sliding structure, and the buffer spring is located between the sliding block and the supporting block.

[0011] Preferably, the outer wall of the gantry is fixedly connected with an adjusting mechanism, the adjusting mechanism comprises a first adjusting frame fixedly installed on one side of the gantry, the outer wall of the first adjusting frame is movably connected with a second adjusting frame, the inside of the first adjusting frame is movably installed with an adjusting bolt, the outer wall of the adjusting bolt is movably connected with a hand screw nut, the inside of the second adjusting frame is movably connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with a hand screw butterfly nut, one end of the threaded rod is fixedly connected with a fixing frame, and the inside of the fixing frame is installed with a sensor.

[0012] Preferably, the first adjusting frame and the second adjusting frame are both designed as a slotted type, the second adjusting frame forms a sliding structure with the first adjusting frame through the adjusting bolt, the adjusting bolt is threadedly connected with the hand screw nut, and the second adjusting frame forms a rotating structure with the fixing frame.

[0013] Preferably, the bottom of the gantry is installed with a base frame, the bottom of the base frame is movably installed with a cross frame, and the inside of the cross frame is threadedly connected with a limiting bolt.

[0014] The automatic multi-head dotting device with the mold capable of being quickly replaced has the advantages that:

[0015] The dotting mechanism, the guide rod and the sensor are arranged, the position of the PCB board is recognized through the sensor, the mold is driven by the controller to move according to a preset program through the electromagnet, the dotting pen on the mold dots and marks the PCB board, and the PCB board is conveniently dotted and marked.

[0016] Further, when the nib on the mold contacts the PCB board, the mold can be slid upward along the positioning bolt under the action of the movable groove, the downward impact force of the electromagnet can be prevented from damaging the PCB board through the dotting pen, the mold can be moved out along the positioning bolt by pulling the mold upward, and the mold can be quickly disassembled and replaced.

[0017] Further, the bottom of the sliding block is provided with the buffer spring, so that the impact force when the sliding block moves downward is buffered, the dotting pen will not damage the PCB board in the dotting process, the power supply can adjust the voltage (12-24v, the controller can work in this voltage range), the electromagnet thrust is adjusted to be in a suitable range.

[0018] By setting the adjusting mechanism, by rotating the hand nut, because the hand nut is screwed with the adjusting bolt, the limit between the first adjusting frame and the second adjusting frame can be released, the second adjusting frame is slid along the first adjusting frame to the desired position, and the hand nut is rotated again to limit, by pulling the fixing frame, the fixing frame can be rotated along one side of the second adjusting frame, when the sensor is rotated to the desired angle, the hand nut is rotated, because the hand nut is screwed with the threaded rod, the fixing frame can be limited, and the effect of facilitating the adjustment of the angle of the sensor is achieved.

[0019] Further, by placing the cross frame on the conveying pipeline side plate of the PCB, by adjusting the position between the cross frame and the bottom frame, the applicability of the dotting device can be improved, and by rotating the limiting bolt to lock the boat-shaped nut, the dotting device can be positioned and installed on the pipeline aluminum profile track. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is a front view schematic view of the utility model;

[0022] Figure 3 It is a dotting mechanism front view schematic view of the utility model;

[0023] Figure 4 It is a mold three-dimensional view of the utility model;

[0024] Figure 5 It is a top view schematic view of the utility model;

[0025] Figure 6 It is a Figure 5 It is a structure enlarged schematic view of A in the middle.

[0026] Reference signs in the drawings: 1, gantry; 2, controller; 3, dotting mechanism; 31, electromagnet; 32, frame plate; 33, countersunk bolt; 34, sliding block; 35, positioning bolt; 36, mold; 37, movable groove; 38, clamping groove; 39, dotting pen; 4, supporting block; 5, guide rod; 6, buffer spring; 7, adjusting mechanism; 71, first adjusting frame; 72, second adjusting frame; 73, adjusting bolt; 74, hand nut; 75, threaded rod; 76, hand nut; 77, fixing frame; 78, sensor; 8, bottom frame; 9, cross frame; 10, limiting bolt. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1-6 The utility model provides a kind of automatic multi-head dotting device of mould can be quickly replaced, including portal frame 1.

[0029] Refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 As shown, the outer wall of portal frame 1 is provided with controller 2, the outer wall of portal frame 1 is provided with dotting mechanism 3, dotting mechanism 3 includes electromagnet 31 fixedly installed in one side of portal frame 1, the output end of electromagnet 31 is connected with shelf plate 32, the inside of shelf plate 32 is provided with countersunk bolt 33, the outer wall of shelf plate 32 is provided with sliding block 34, the inside of shelf plate 32 is provided with locating bolt 35, the outer wall of locating bolt 35 is provided with mould 36, the inside of mould 36 is provided with movable slot 37, the inside of mould 36 is provided with clamping groove 38, clamping groove 38 is provided with dotting pen 39 in the inside, shelf plate 32 is fixedly installed by countersunk bolt 33 and sliding block 34, locating bolt 35 and mould 36 form sliding structure by movable slot 37 (the position of clamping groove 38 on mould 36 is made when 3D printing mould according to the position that needs to be marked on product PCB), mould 36 is connected by clamping groove 38 and dotting pen 39, one side of portal frame 1 is fixedly connected with support block 4, the top of support block 4 is fixedly connected with guide rod 5, the outer wall of guide rod 5 is provided with buffer spring 6, guide rod 5 and sliding block 34 form sliding structure (linear bearing is installed in the inside of sliding block 34), buffer spring 6 is located between sliding block 34 and support block 4.

[0030] PCB is identified by sensor 78, and then electromagnet 31 is started by controller 2, so that shelf plate 32 moves down, sliding block 34 is driven to slide down stably along guide rod 5, so that dotting pen 39 installed in the inside of mould 36 marks dotting on PCB, and under the action of movable slot 37, mould 36 can slide up along locating bolt 35, impact force is reduced to prevent dotting pen 39 from damaging PCB, by pulling mould 36 upwards, locating bolt 35 can be moved out along movable slot 37, and mould can be quickly replaced.

[0031] Refer to Figure 5 And Figure 6As shown, preferably, the outer wall of the gantry 1 is fixedly connected with an adjusting mechanism 7, the adjusting mechanism 7 comprises a first adjusting frame 71 fixedly installed on one side of the gantry 1, the outer wall of the first adjusting frame 71 is movably connected with a second adjusting frame 72, the inside of the first adjusting frame 71 movably installs an adjusting bolt 73, the outer wall of the adjusting bolt 73 is movably connected with a hand screw nut 74, the inside of the second adjusting frame 72 movably connects with a threaded rod 75, the outer wall of the threaded rod 75 is threadedly connected with a hand screw butterfly nut 76, one end of the threaded rod 75 is fixedly connected with a fixed frame 77, the inside of the fixed frame 77 installs a sensor 78, the first adjusting frame 71 and the second adjusting frame 72 are both designed as a slotted type, the second adjusting frame 72 and the first adjusting frame 71 form a sliding structure through the adjusting bolt 73, the adjusting bolt 73 is threadedly connected with the hand screw nut 74, the second adjusting frame 72 and the fixed frame 77 form a rotating structure.

[0032] By rotating the hand screw nut 74, since the hand screw nut 74 is threadedly connected with the adjusting bolt 73, the limiting between the first adjusting frame 71 and the second adjusting frame 72 can be released, the second adjusting frame 72 is slid along the first adjusting frame 71 to the required position, the hand screw nut 74 is rotated again to limit, by pulling the fixed frame 77, the fixed frame 77 can be rotated along one side of the second adjusting frame 72, when the sensor 78 is rotated to the required angle, the hand screw butterfly nut 76 is rotated, since the hand screw butterfly nut 76 is threadedly connected with the threaded rod 75, the fixed frame 77 can be limited.

[0033] Referring to Figure 1 and Figure 2 As shown, the bottom of the gantry 1 is installed with a chassis 8, the bottom of the chassis 8 movably installs a cross frame 9, the inside of the cross frame 9 is threadedly connected with a limiting bolt 10.

[0034] By placing the cross frame 9 on the conveying pipeline side plate of the PCB board, by adjusting the position between the cross frame 9 and the chassis 8, the applicability of the dotting device can be improved, by rotating the limiting bolt 10 to lock the boat-shaped nut, the dotting device can be positioned and installed on the pipeline aluminum profile track.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic multi-head marking device capable of quickly changing molds, comprising a gantry frame (1); Its features are: A controller (2) is installed on the outer wall of the gantry frame (1), and a dotting mechanism (3) is installed on the outer wall of the gantry frame (1); The dotting mechanism (3) includes an electromagnet (31) fixedly installed on one side of the gantry (1). The output end of the electromagnet (31) is connected to a frame plate (32). A countersunk bolt (33) is installed inside the frame plate (32). A slider (34) is installed on the outer wall of the frame plate (32). A positioning bolt (35) is installed inside the frame plate (32). A mold (36) is installed on the outer wall of the positioning bolt (35). An movable groove (37) is opened inside the mold (36). A slot (38) is opened inside the mold (36). A dotting pen (39) is installed inside the slot (38).

2. The automatic multi-head marking device for quick mold changing according to claim 1, characterized in that: The frame plate (32) is fixedly installed with the slider (34) by countersunk bolts (33), the positioning bolt (35) forms a sliding structure with the mold (36) through the movable groove (37), and the mold (36) is engaged with the dotting pen (39) through the slot (38).

3. The automatic multi-head marking device for quick mold changing according to claim 1, characterized in that: A support block (4) is fixedly connected to one side of the gantry frame (1), and a guide rod (5) is fixedly connected to the top of the support block (4). A buffer spring (6) is sleeved on the outer wall of the guide rod (5).

4. The automatic multi-head marking device for quick mold changing according to claim 3, characterized in that: The guide rod (5) and the slider (34) form a sliding structure, and the buffer spring (6) is located between the slider (34) and the support block (4).

5. The automatic multi-head marking device for quick mold changing according to claim 1, characterized in that: An adjustment mechanism (7) is fixedly connected to the outer wall of the gantry frame (1). The adjustment mechanism (7) includes a first adjustment frame (71) fixedly installed on one side of the gantry frame (1). A second adjustment frame (72) is movably connected to the outer wall of the first adjustment frame (71). An adjustment bolt (73) is movably installed inside the first adjustment frame (71). A hand-tightening nut (74) is movably connected to the outer wall of the adjustment bolt (73). A threaded rod (75) is movably connected inside the second adjustment frame (72). A hand-tightening wing nut (76) is threadedly connected to the outer wall of the threaded rod (75). A fixing frame (77) is fixedly connected to one end of the threaded rod (75). A sensor (78) is installed inside the fixing frame (77).

6. The automatic multi-head marking device for quick mold changing according to claim 5, characterized in that: Both the first adjusting frame (71) and the second adjusting frame (72) are slotted designs. The second adjusting frame (72) is connected to the first adjusting frame (71) by adjusting bolts (73) to form a sliding structure. The adjusting bolts (73) are threadedly connected to the hand-tightening nut (74). The second adjusting frame (72) and the fixed frame (77) form a rotating structure.

7. The automatic multi-head marking device for quick mold changing according to claim 1, characterized in that: The bottom of the gantry (1) is equipped with a base frame (8), and a cross frame (9) is movably installed on the bottom of the base frame (8). The cross frame (9) is internally threaded with a limit bolt (10).