CN221086021U - Metering auxiliary device for adding printing and dyeing raw materials - Google Patents

Abstract

The utility model relates to the technical field of pcb board printing and dyeing, in particular to a metering auxiliary device for adding printing and dyeing raw materials; the piston assemblies which are respectively arranged in the oil cylinders and alternately stretch out and draw back are matched with the first one-way valve assemblies and the second one-way valve assemblies, so that the purpose of drawing out ink from the ink barrel and injecting the ink into the electric nozzle is achieved, the oil cylinders are mutually matched, at least one second one-way valve assembly is in an open state at any moment, the ink is always injected into the electric nozzle, the movement period and the interval of the piston assemblies are reasonably arranged, the ink can be quantitatively injected into the electric nozzle, the electric nozzle is enabled to omit the time of stopping spraying and adding the ink, and the discharging pipe communicated with the oil cylinders is used for reducing the number of pipelines to facilitate later maintenance, and is also used for avoiding the influence of knotting among the pipelines on the conveying of the ink; the problem of to the nozzle of pcb spraying among the prior art need intermittent type interpolation printing ink and influence production efficiency is solved.

Description

Metering auxiliary device for adding printing and dyeing raw materials

Technical Field

The utility model relates to the technical field of pcb board printing and dyeing, in particular to a metering auxiliary device for adding printing and dyeing raw materials.

Background

In pcb board solder mask equipment, protection is generally performed by dying different colors of ink on the pcb board surface, one method of coating ink on the pcb board surface in the prior art is a spraying mode, the pcb board is driven by a conveyor belt to continuously pass through the lower part of a nozzle, and the ink is uniformly sprayed on the pcb board through the reciprocating movement of the nozzle, so that the automatic spraying work of the pcb board is completed.

However, when the existing equipment is used for spraying, the conveying speed of the conveyor belt is required to be matched with the period of the transverse movement of the nozzle, one movement period of the nozzle comprises the time of the transverse movement of the nozzle and the spraying of the ink to the pcb, and the time of the intermittent ink adding of the nozzle after one transverse movement of the nozzle is required to be stopped, so that the speed of pcb printing is influenced by the intermittent ink adding time of the nozzle, and the improvement of pcb printing efficiency is influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a metering auxiliary device for adding printing and dyeing raw materials, which solves the problem that the production efficiency is influenced by intermittently adding ink to a spray nozzle for pcb spraying in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a printing and dyeing raw materials adds and uses metering auxiliary device, includes the conveyer belt mechanism that is used for carrying the pcb board, installs the protection casing on the conveyer belt mechanism, and the level is moved in the protection casing and is installed the electronic nozzle that is used for to pcb board spraying printing ink, still install the feed mechanism who is used for adding printing ink to electronic nozzle on the protection casing.

The feeding mechanism comprises a plurality of oil cylinders fixed in the protective cover, piston assemblies are slidably mounted in the oil cylinders, rotating shaft assemblies used for driving the plurality of piston assemblies to move in a staggered mode are mounted on the protective cover, a feeding pipe assembly used for feeding ink is communicated with the bottom wall of each oil cylinder, a feeding pipe assembly is communicated between the bottom wall of each oil cylinder and the electric nozzle, a first one-way valve assembly used for feeding ink from the feeding pipe assembly into the oil cylinders is mounted on the bottom wall of each oil cylinder, and a second one-way valve assembly used for feeding ink in the feeding pipe assemblies in a one-way mode is arranged at the bottom of each oil cylinder.

Preferably, the piston assembly comprises a piston head slidably mounted within the cylinder, and a piston rod is rotatably mounted on the piston head.

Preferably, the rotating shaft assembly comprises a rotating shaft which is rotatably arranged on the protective cover, a plurality of groups of connecting rods which are arranged at staggered angles are vertically fixed on the rotating shaft, connecting shafts which are rotatably connected with the piston rods are fixed on the same group of connecting rods, a motor for driving the rotating shaft to rotate is fixed on the protective cover, and a notch for avoiding the piston rods is arranged between every two adjacent connecting rods.

Preferably, the feeding pipe assembly comprises a connecting pipe used for being communicated with the bottom walls of the oil cylinders, an ink barrel is arranged on the ground, and a feeding pipe body is communicated between the connecting pipe and the ink barrel.

Preferably, the feeding pipe assembly comprises a discharging pipe used for being communicated with the bottom walls of the oil cylinders, and a feeding hose is communicated between the discharging pipe and the electric nozzle.

Preferably, the first check valve assembly comprises a first elastic valve plate arranged in the bottom wall of the oil cylinder and used for covering the mouth of the pipe of the feed pipe assembly, a fixing piece is fixed between the edge of the first elastic valve plate and the bottom wall of the oil cylinder, the second check valve assembly and the first check valve assembly are identical in structure, and the second check valve assembly is arranged at the bottom of the oil cylinder and used for covering the bottom end of a through hole communicated with the oil cylinder and the feed pipe assembly.

Compared with the prior art, the utility model provides a metering auxiliary device for adding printing and dyeing raw materials, which has the following beneficial effects:

1. The piston assemblies which are alternately telescopic in the oil cylinders are respectively matched with the first check valve assemblies and the second check valve assemblies, the purpose that ink is extracted from the ink barrel and injected into the electric nozzle is achieved, the oil cylinders are mutually matched, at least one second check valve assembly is in an open state at any moment, ink injected through the charging pipe assemblies is always arranged in the electric nozzle, the movement period and the interval of the piston assemblies are reasonably set, the ink can be quantitatively injected into the electric nozzle, the electric nozzle is enabled to save the time for stopping spraying and adding the ink, and accordingly the printing and dyeing efficiency of a pcb board can be improved.

2. The discharging pipes are communicated with the plurality of oil cylinders, so that the ink in the plurality of oil cylinders is converged together through the discharging pipes and then injected into the electric nozzle through the charging hose, compared with the mode that the plurality of oil cylinders are respectively communicated with the electric nozzle, on one hand, the quantity of pipelines is reduced, the later maintenance is convenient, on the other hand, the pipelines are prevented from being knotted to influence the conveying of the ink, and the stability of equipment is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a cross-sectional view of a shield of the present utility model;

FIG. 3 is a schematic view of a spindle assembly according to the present utility model;

FIG. 4 is a cross-sectional view of the cylinder of the present utility model;

FIG. 5 is a schematic view of a feed tube assembly and a filling tube assembly of the present utility model.

In the figure: 1. a conveyor belt mechanism; 2. a protective cover; 3. an electric nozzle; 4. a feed mechanism; 41. an oil cylinder; 42. a piston assembly; 421. a piston head; 422. a piston rod; 43. a spindle assembly; 431. a rotating shaft; 432. a connecting rod; 433. a connecting shaft; 434. a motor; a. a notch; 44. a feed tube assembly; 441. a connecting pipe; 442. an ink barrel; 443. a feed tube body; 45. a feed tube assembly; 451. a discharge pipe; 452. a charging hose; 46. a first one-way valve assembly; 461. a first elastic valve plate; 462. a fixing member; 47. a second one-way valve assembly.

Detailed Description

The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Fig. 1 to 5 are views showing an embodiment of the present utility model, which is to improve the device for quantitatively adding ink to a nozzle in the prior art, so that the device can continuously add the raw material into the nozzle on the basis of quantitatively conveying the printing and dyeing raw material such as the ink to the nozzle, thereby saving the intermittent feeding time of the nozzle and improving the printing and dyeing efficiency of the pcb board.

The utility model provides a printing and dyeing raw materials adds and uses metering auxiliary device, including the conveyer belt mechanism 1 that is used for carrying the pcb board, conveyer belt mechanism 1 can be conveyer belt or other devices, can realize with the continuous removal of pcb board can, install protection casing 2 on the conveyer belt mechanism 1, protection casing 2 on the one hand is as the installation support of other parts, on the other hand is arranged in placing the spraying in-process raw materials dust and causes the pollution to operational environment, also make things convenient for updraft ventilator etc. to collect the raw materials liquid drop in the air, the security of production environment is protected, the electric nozzle 3 that is used for to pcb board spraying printing ink is installed to the level in the protection casing 2, electric nozzle 3 transversely reciprocating motion is sprayed the pcb board of process, still install the feed mechanism 4 that is used for adding printing ink to electric nozzle 3 on the protection casing 2, feed mechanism 4 is used for to the uninterrupted ration of printing and transporting ink raw materials to electric nozzle 3, make electric nozzle 3 can the uninterrupted carry out reciprocal lateral movement, thereby save the time of electric nozzle 3 intermittent type interpolation printing and dyeing efficiency to pcb board is improved.

The feeding mechanism 4 comprises a plurality of oil cylinders 41 fixed in the protective cover 2, a piston assembly 42 is slidably arranged in the oil cylinders 41, a rotating shaft assembly 43 for driving the plurality of piston assemblies 42 to move alternately is arranged on the protective cover 2, the piston assembly 42 moving towards the bottom of the oil cylinders 41 and the piston assembly 42 moving towards the top of the oil cylinders 41 are arranged in the oil cylinders 41 at any time, the aim of controlling all time of a single movement period of the piston assembly 42 can be achieved by controlling the rotating speed of the rotating shaft assembly 43, thereby controlling the speed of adding raw materials into the electric nozzle 3 by the piston assembly 42, the volume of space moved by the single movement period of the piston assembly 42 is fixed, the volume of ink raw materials fed into the electric nozzle 3 by the piston assembly 42 in unit time can be controlled, the bottom wall of the oil cylinders 41 is communicated with a feeding pipe assembly 44 for feeding ink, a part of the bottom wall of the oil cylinders 41 is communicated with the electric nozzle 3, a first one-way valve assembly 46 for feeding ink from the feeding pipe assembly 44 into the oil cylinders 41 is arranged on the bottom wall of the oil cylinders 41, the bottom of the oil cylinders 41 is provided with a second one-way valve assembly 47 for feeding ink into the oil cylinders 45, when the piston assembly 42 moves towards the top of the oil cylinders 41, the first one-way valve assembly 46 acts on the top of the oil cylinders 41, the first one-way valve assembly 45 is closed by the first one-way valve assembly 46 when the ink cylinder assembly is opened by the first one-way valve assembly 46 and the bottom of the ink assembly 45 is closed by the first one-way valve assembly 45, the first one-way valve assembly is opened by the first one-way valve assembly 45 and the bottom valve assembly 45 is opened by the bottom valve assembly 45, which is opened by the first one-way valve assembly 4, which is opened by the first valve assembly one valve assembly 4, which is arranged in the bottom of the bottom valve assembly 4, and the bottom valve assembly 4 is opened, and the bottom of the ink assembly 4 is opened, and the one flow is opened, and the one can be opened, and the one, the volume of the ink injected into the electric nozzle 3 in unit time is calculated through the moving speed of the piston assembly 42 and the cross-sectional area of the oil cylinder 41, so that the purpose of continuously and quantitatively adding the ink into the electric nozzle 3 is realized through the reciprocating movement of the piston assembly 42 at a certain speed, and the spraying efficiency of the pcb is conveniently improved.

As a preferred technical scheme of the embodiment, the piston assembly 42 includes a piston head 421 slidably mounted in the cylinder 41, a piston rod 422 is rotatably mounted on the piston head 421, and the other end of the piston rod 422 is driven by the rotating shaft assembly 43 to perform circular motion so as to control the reciprocating lifting of the piston head 421, and the cylinder 41 is matched to complete the process of continuously sucking and injecting ink into the electric nozzle 3.

As a preferred technical solution of this embodiment, the rotating shaft assembly 43 includes a rotating shaft 431 rotatably mounted on the protective cover 2, a plurality of groups of connecting rods 432 with staggered angles are vertically fixed on the rotating shaft 431, a connecting shaft 433 rotationally connected with the piston rod 422 is fixed on the same group of connecting rods 432, a motor 434 for driving the rotating shaft 431 to rotate is fixed on the protective cover 2, a gap a for avoiding the piston rod 422 is arranged between two adjacent connecting rods 432, the motor 434 drives the connecting shaft 433 to move on a certain circumferential track through the rotating shaft 431 and the connecting rods 432, and drives the piston assembly 42 rotationally connected with the connecting rods 432 to reciprocate in a certain movement period and stroke, so that the purpose of measuring the ink injection volume is achieved by matching with the oil cylinder 41 to control the sucking amount and the injection amount of ink in unit time, and the volume of ink injected into the electric nozzle 3 in unit time can be adjusted by controlling the rotation speed of the motor 434 through calculation.

As a preferred technical scheme of the present embodiment, the feed pipe assembly 44 includes a connection pipe 441 for communicating with the bottom walls of the plurality of cylinders 41, an ink barrel 442 is disposed on the ground, raw materials such as ink are stored in the ink barrel 442, a feed pipe body 443 is communicated between the connection pipe 441 and the ink barrel 442, and raw materials in the ink barrel 442 are sucked into the cylinders 41 through the feed pipe body 443 and the connection pipe 441, so as to accomplish quantitative suction of the ink.

As a preferred technical solution of the present embodiment, the feeding tube assembly 45 includes a discharging tube 451 for communicating with the bottom walls of the plurality of cylinders 41, and a feeding hose 452 is connected between the discharging tube 451 and the electric nozzle 3, so that the movement of the electric nozzle 3 is not hindered by the discharging tube 451 and the feeding hose 452, and the cylinders 41 can quantitatively inject ink into the electric nozzle 3.

As a preferred technical solution of this embodiment, the first check valve assembly 46 includes a first elastic valve plate 461 disposed in the bottom wall of the cylinder 41 for covering the orifice of the feed pipe assembly 44, a fixing member 462 is fixed between the edge of the first elastic valve plate 461 and the bottom wall of the cylinder 41, the second check valve assembly 47 has the same structure as the first check valve assembly 46, the second check valve assembly 47 is disposed at the bottom of the cylinder 41 for covering the bottom end of the through hole of the cylinder 41 communicating with the feed pipe assembly 45, when the piston assembly 42 moves upward, the ink in the feed pipe assembly 44 and the feed pipe assembly 45 will flow toward the cylinder 41 by the action of atmospheric pressure, the ink in the feed pipe assembly 44 will jack up the first elastic valve plate 461 into the cylinder 41, and the valve plate on the second check valve assembly 47 at the position of the pipe assembly 45 will be attached to the bottom surface of the cylinder 41 by the action of the ink pressure, thereby preventing the ink in the feed pipe assembly 45 from entering into the cylinder 41, and when the piston assembly 42 moves downward, the first elastic valve plate 461 will be pressed on the bottom wall of the cylinder 41, and the valve plate on the second check valve assembly 47 will jack down, thereby completing the feeding of the ink into the nozzle 3 only through the electric nozzle assembly 45.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a printing and dyeing raw materials adds and uses metering auxiliary device, including conveyer belt mechanism (1) that are used for carrying pcb board, install protection casing (2) on conveyer belt mechanism (1), the level is moved in protection casing (2) and is installed electronic nozzle (3) that are used for to pcb board spraying printing ink, its characterized in that: a feeding mechanism (4) for adding ink to the electric nozzle (3) is also arranged on the protective cover (2);

The feeding mechanism (4) comprises a plurality of oil cylinders (41) fixed in the protective cover (2), piston assemblies (42) are slidably installed in the oil cylinders (41), rotating shaft assemblies (43) used for driving the plurality of piston assemblies (42) to move in a staggered mode are installed on the protective cover (2), feeding pipe assemblies (44) used for feeding ink are communicated with the bottom wall of the oil cylinders (41), feeding pipe assemblies (45) are communicated between the bottom wall of the oil cylinders (41) and the electric nozzles (3), first one-way valve assemblies (46) used for feeding ink from the feeding pipe assemblies (44) to enter the oil cylinders (41) in a one-way mode are installed on the bottom wall of the oil cylinders (41), and second one-way valve assemblies (47) used for feeding ink into the feeding pipe assemblies (45) in a one-way mode are arranged at the bottoms of the oil cylinders (41).

2. The metering aid for printing and dyeing raw material addition according to claim 1, wherein: the piston assembly (42) comprises a piston head (421) which is slidably arranged in the oil cylinder (41), and a piston rod (422) is rotatably arranged on the piston head (421).

3. The metering aid for printing and dyeing raw material addition according to claim 2, wherein: the rotating shaft assembly (43) comprises a rotating shaft (431) which is rotatably arranged on the protective cover (2), a plurality of groups of connecting rods (432) which are arranged in an angle staggered mode are vertically fixed on the rotating shaft (431), connecting shafts (433) which are rotatably connected with the piston rods (422) are fixed on the same groups of connecting rods (432), a motor (434) which is used for driving the rotating shaft (431) to rotate is fixed on the protective cover (2), and a gap (a) for avoiding the piston rods (422) is arranged between every two adjacent connecting rods (432).

4. The metering aid for printing and dyeing raw material addition according to claim 1, wherein: the feeding pipe assembly (44) comprises a connecting pipe (441) used for being communicated with the bottom walls of the oil cylinders (41), an ink barrel (442) is arranged on the ground, and a feeding pipe body (443) is communicated between the connecting pipe (441) and the ink barrel (442).

5. The metering aid for printing and dyeing raw material addition according to claim 1, wherein: the feeding pipe assembly (45) comprises a discharging pipe (451) used for being communicated with the bottom walls of the oil cylinders (41), and a feeding hose (452) is communicated between the discharging pipe (451) and the electric nozzle (3).

6. The metering aid for printing and dyeing raw material addition according to claim 1, wherein: the first one-way valve assembly (46) comprises a first elastic valve plate (461) which is arranged in the bottom wall of the oil cylinder (41) and used for covering the orifice of the feed pipe assembly (44), and a fixing piece (462) is fixed between the edge of the first elastic valve plate (461) and the bottom wall of the oil cylinder (41);

The second one-way valve assembly (47) and the first one-way valve assembly (46) are identical in structure, and the second one-way valve assembly (47) is arranged at the bottom of the oil cylinder (41) and used for covering the bottom end of a through hole formed in the oil cylinder (41) and communicated with the feeding pipe assembly (45).