CN207632892U - an etching device - Google Patents

Abstract

The utility model relates to etching equipment, which comprises a tank body, a conveying mechanism, a spraying mechanism and a negative pressure liquid removing device, wherein the spraying mechanism comprises a plurality of upper sprayers, a plurality of lower sprayers and a spraying pump; the conveying mechanism comprises a conveying support frame, a plurality of upper conveying rollers rotatably arranged at the upper end of the conveying support frame and a plurality of lower conveying rollers rotatably arranged at the lower end of the conveying support frame; the negative pressure liquid removing mechanism comprises a plurality of negative pressure rods, a plurality of negative pressure generators and a circulating pump. The utility model discloses a negative pressure removes liquid mechanism and has solved etching equipment and can not in time discharged technical problem to the etching solution on the production face of etching.

Description

an etching device

technical field

The utility model relates to the technical field of circuit board processing, in particular to an etching device.

Background technique

Existing etching equipment for producing circuit boards and hardware boards etches circuit boards and hardware boards by using acidic etching etchant and alkaline etching etchant. Composed of a shower, a lower shower and a spray pump, a large amount of etching solution will remain on the upper plate after etching and cannot be drained in time. This residual etching solution blocks the effect of the spray on the production board, and eventually leads to the upper board of the production board. The surface etching is uneven or the line etched on the upper board surface is wide at the top and narrow at the bottom. Usually, the etching equipment is added with solid water-retaining rollers, sprayed with tilted production, and the swing speed is increased to realize the timely discharge of the etching solution, but none of them can Completely solve the problem of etching solution remaining on the upper surface of the production board.

Therefore, it is necessary to provide a technical means to solve the above defects.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide an etching device to solve the problem in the prior art that a large amount of etching solution accumulates on the production board surface and cannot be discharged in time.

The utility model is achieved in that a kind of etching equipment comprises:

The tank body is used to accommodate the etching solution that can perform etching treatment on the production board;

The conveying mechanism is used for placing and conveying the production board to be etched to a designated position; the conveying mechanism includes a conveying support frame, a number of upper conveying rollers which are rotated on the upper end of the conveying support frame, and are rotated on the A number of lower conveying rollers at the lower end of the conveying support frame, the conveying support is erected above the tank body; between the several upper conveying rollers and the several lower conveying rollers is formed a space for the production plate to accommodate delivery space;

The spraying mechanism is used to pump the etching solution placed in the tank to a designated position, and spray the etching solution on the production plate placed on the conveying mechanism; the spraying mechanism includes several an upper shower, several lower showers and a spray pump; the several upper showers are arranged above the several upper conveying rollers and above the tank, and the several The lower showers are arranged below the several lower conveying rollers and above the tank body, and the several upper showers are opposite to or staggered with the several lower showers;

The negative pressure liquid removal mechanism is used to remove the excess etching liquid on the production board that has been sprayed and etched by the spray mechanism; the negative pressure liquid removal mechanism includes several negative pressure rods, several negative pressure Generator, circulation pump, described several negative pressure sticks are arranged at the position close to described conveying space; Described several negative pressure generators are respectively connected with described several negative pressure sticks; Described circulation pump is respectively connected with all The several negative pressure generators and the tank body are connected.

Preferably, the several negative pressure rods are installed on the conveying support frame and are close to the conveying space.

Preferably, the several negative pressure rods are installed on the conveying support frame and located on two adjacent upper conveying rollers.

Preferably, there are at least four negative pressure rods and at least four negative pressure generators.

Preferably, there are at least five upper showers, and the at least five upper showers are evenly spaced above the upper conveying rollers along the same straight line.

Preferably, there are at least five lower showers, and the at least five lower showers are evenly spaced below the lower conveying rollers along the same straight line.

Preferably, the several upper conveying rollers are arranged at intervals along the same linear direction on the upper end of the conveying support frame.

Preferably, the plurality of lower conveying rollers are arranged at intervals along the same linear direction at the lower end of the conveying support frame.

Preferably, the conveying mechanism also includes a driving device for driving the several upper conveying rollers and the several lower conveying rollers to rotate, the driving device is arranged on the conveying support frame, and is respectively connected to the Several upper conveying rollers are connected with the several lower conveying rollers.

Preferably, the driving device is a driving motor, and the driving motor is connected to the several upper conveying rollers and the several lower conveying rollers through a chain.

The technical effect of etching equipment of the present utility model is:

First turn on the conveying mechanism, spray pump, and circulating pump; then place the production plate in the conveying space between several upper conveying rollers and several lower conveying rollers, and several upper conveying rollers and several lower conveying rollers can cooperate with each other , to transport the production plate into a position suitable for etching; then the upper sprayer and the lower sprayer spray the etchant on the upper and lower surfaces of the production plate for etching; at the same time, the cycle The pump will pump the etchant in the tank onto the negative pressure generator, and make the etchant flow back into the body of the negative pressure generator, and the negative pressure generator is connected to the negative pressure rod through the pipeline, so that the negative pressure rod Negative pressure is generated to suck away excess etching liquid on the production board and return it to the tank in time, thereby greatly improving the etching uniformity of the production board surface and improving the width of the etching line on the production board. Moreover, the formation of negative pressure allows air to enter the etchant, fully stirring the etchant can improve the activity of the etchant, reduce the addition of the etchant, and save the cost of the etchant.

Description of drawings

FIG. 1 is a schematic structural view of an etching device according to an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Please refer to Fig. 1, which is a preferred embodiment provided by the utility model, and this embodiment relates to an etching equipment 1, which is used for spraying liquid etching on the surface of the production board, and the product Mainly circuit boards, hardware boards, etc., of course, it can also be other products. The etching equipment 1 in this embodiment includes a tank body 10, a conveying mechanism 20, a spraying mechanism 30 and a negative pressure liquid removal mechanism 40. The components of the etching equipment 1 are further described below:

The tank body 10 is used to accommodate the etching solution that can etch the production board, wherein the tank body 10 is a rectangular holding tank, and of course it can also be a holding tank of other shapes, such as a trapezoidal holding tank, which also belongs to this embodiment the scope of protection of the case;

Conveyor mechanism 20 is for the production plate that will be etched to be placed and conveyed to designated position; A plurality of lower conveying rollers 23 at the lower end of the conveying support frame 21, the conveying support frame 21 is arranged above the tank body 10; a plurality of upper conveying rollers 22 and a plurality of lower conveying rollers 23 form a conveyor for the production board to accommodate. space;

The spraying mechanism 30 is used to pump the etching solution placed in the tank body 10 to a designated position, and spray the etching solution on the production plate placed on the conveying mechanism 20; wherein, the spraying mechanism 30 includes several The upper shower 31, several lower showers 32 and spray pumps 33, the spray pump 33 is connected with the tank body 10, so as to pump the etching solution in the tank body 10 to the designated position; The device 31 is located above several upper conveying rollers 22 and above the tank body 10, and several lower showers 32 are located below several lower conveying rollers 23 and above the tank body 10, and several The upper shower 31 and several lower showers 32 are opposite or staggered; and preferably, the upper shower 31 and the lower shower 32 are equipped with on-off valves, so that the user can spray on the upper shower. Control of the device 31 and the lower shower 32;

The negative pressure liquid removal mechanism 40 is used to remove the excess etching liquid on the production plate that has been sprayed and etched by the spray mechanism 30; wherein, the negative pressure liquid removal mechanism 40 includes several negative pressure rods 41, several negative pressure Generator 42 and circulation pump 43, several negative pressure rods 41 are located at the position near delivery space; Several negative pressure generators 42 are connected with several negative pressure rods 41 respectively through pipeline; A negative pressure generator 42 and the tank body 10 are connected.

First open conveying mechanism 20, spray pump 33, circulation pump 43; Then the production plate is placed in the conveying space between several upper conveying rollers 22 and several following conveying rollers 23, and several upper conveying rollers 22 and several The lower delivery roller 23 can cooperate to transport the production plate into a position suitable for etching; then the upper shower 31 and the lower shower 32 spray the etching solution on the upper and lower surfaces of the production plate, At the same time, the circulating pump 43 will hit the etching solution in the tank body 10 on the negative pressure generator 42, and make the etching solution flow back in the negative pressure generator 42 body, and the negative pressure generator 42 is connected to the negative pressure rod 41 through the pipeline, so that several negative pressure rods 41 can generate negative pressure, thereby absorbing and removing the excess etching liquid on the production plate, and returning it to the tank body 10 in time, thereby achieving The purpose of recycling, reducing the addition of etching solution, and reducing costs.

Please refer to Fig. 1 again, several negative pressure rods 41 in the present embodiment are installed on the conveying support frame 21, and close to the conveying space, in order to be beneficial to be close to the production plate better, improve the unnecessary etchant on the production plate to suck away clearing effect.

Optionally, several negative pressure rods 41 in this embodiment are installed on the conveying support frame 21, and are located on the adjacent two upper conveying rollers 22, and this position is also beneficial to be close to the production plate, Improve the effect of absorbing and removing excess etching solution on the production board.

Please continue to refer to FIG. 1 , the number of negative pressure rods 41 in this embodiment is consistent with the number of negative pressure generators 42 . Wherein, the negative pressure bar 41 is provided with at least four, and correspondingly, the negative pressure generator 42 is also provided with at least four; Preferably, the negative pressure bar 41 is provided with four, and the negative pressure generator 42 is provided with four, then , while ensuring a better adsorption and removal effect, it is beneficial to reduce production costs; of course, the negative pressure rod 41 and the negative pressure generator 42 can also be provided with five, six, etc. according to actual needs, and these embodiments It also belongs to the protection category of this embodiment.

Please refer to Fig. 1, there are at least five upper showers 31 in this embodiment, preferably, there are at least five upper showers 31, which helps to reduce production while ensuring a better spraying effect. cost; of course, the upper shower 31 can also be set to six, seven, etc. according to actual needs, and these implementations also belong to the protection category of this embodiment; the five upper showers 31 are along the same straight line Evenly spaced above the upper conveying roller 22 to ensure the effect of spray etching.

And the lower shower 32 is provided with at least five, preferably, the lower shower 32 is provided with at least five, while ensuring better spraying effect, helps to reduce production cost; Of course, the lower shower 32 can also be provided with six, seven, etc. according to actual needs, and these implementations also belong to the protection category of this embodiment; the five lower showers 32 are evenly spaced on the lower conveying roller along the same straight line direction below to ensure the spray etching effect.

Please refer to Fig. 1, several upper conveying rollers 22 in the present embodiment are arranged at the upper end of the conveying support frame 21 at intervals along the same linear direction, and the several lower conveying rollers 23 are arranged at the lower end of the conveying support frame 21 at intervals along the same linear direction, so as to Guarantees stable and efficient delivery of production boards.

Please continue to refer to Figure 1, which is another preferred embodiment of the present utility model, which has the implementation content of the above-mentioned embodiment, wherein, for the specific implementation of the above-mentioned embodiment, please refer to the above-mentioned description, and the embodiment here will not be repeated in detail ; And in this embodiment, its difference with the above-mentioned embodiment is:

Conveyor mechanism 20 also comprises the driving device (not marked) in order to drive several upper conveying rollers 22 and several following conveying rollers 23 rotation work, and driving device is located on conveying support frame 21, and conveys with several respectively. The rollers 22 and several lower conveying rollers 23 are connected to automatically transfer the production boards to improve production efficiency.

For the convenience of material collection and installation, the driving device is a driving motor, which is connected with several upper conveying rollers 22 and several lower conveying rollers 23 by chains.

The above description is only a preferred embodiment of the utility model, and its structure is not limited to the shapes listed above. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model should include Within the protection scope of the present utility model.

Claims (10)

1. An etching device, characterized in that, comprising: The tank is used to hold the etching solution that can etch the production board; The conveying mechanism is used for placing and transporting the production board to be etched to a designated position; the conveying mechanism includes a conveying support frame, a number of upper conveying rollers which are rotated at the upper end of the conveying support frame, and a rotating A plurality of lower conveying rollers at the lower end of the conveying support frame, the conveying support is erected above the tank body; the upper conveying rollers and the lower conveying rollers are formed between the several conveying rollers for the production plate Accommodating conveying space; The spraying mechanism is used to pump the etching solution placed in the tank to a designated position, and spray the etching solution on the production plate placed on the conveying mechanism; the spraying mechanism includes several an upper shower, several lower showers and a spray pump; the several upper showers are arranged above the several upper conveying rollers and above the tank, and the several The lower showers are arranged below the several lower conveying rollers and above the tank body, and the several upper showers are opposite to or staggered with the several lower showers; The negative pressure liquid removal mechanism is used to remove the excess etching liquid on the production board that has been sprayed and etched by the spray mechanism; the negative pressure liquid removal mechanism includes several negative pressure rods, several negative pressure Generator, circulation pump, described several negative pressure sticks are arranged at the position close to described conveying space; Described several negative pressure generators are respectively connected with described several negative pressure sticks; Described circulation pump is respectively connected with all The several negative pressure generators and the tank body are connected. 2 . The etching equipment according to claim 1 , wherein the plurality of negative pressure rods are installed on the conveying support frame and are close to the conveying space. 3 . 3 . The etching equipment according to claim 1 , wherein the plurality of negative pressure rods are installed on the conveying support frame and located on two adjacent upper conveying rollers. 4 . 4. The etching equipment according to claim 1, wherein there are at least four negative pressure rods, and at least four negative pressure generators. 5. A kind of etching equipment according to claim 1, characterized in that there are at least five upper showers, and the at least five upper showers are evenly spaced on the upper conveyor along the same straight line. above the scroll wheel. 6. A kind of etching equipment according to claim 1, characterized in that there are at least five lower showers, and the at least five lower showers are evenly spaced along the same straight line on the lower conveyor below the scroll wheel. 7 . The etching equipment according to claim 1 , wherein the plurality of upper conveying rollers are arranged at intervals on the upper end of the conveying support frame along the same linear direction. 8 . 8 . The etching equipment according to claim 1 , wherein the plurality of lower conveying rollers are arranged at intervals along the same linear direction at the lower end of the conveying support frame. 8 . 9. A kind of etching equipment according to any one of claims 1-8, characterized in that, the conveying mechanism further comprises a mechanism for driving the several upper conveying rollers and the several lower conveying rollers to rotate. A driving device, the driving device is arranged on the conveying support frame and connected with the several upper conveying rollers and the several lower conveying rollers respectively. 10. The etching equipment according to claim 9, wherein the driving device is a driving motor, and the driving motor is connected to the several upper conveying rollers and the several lower conveying rollers through a chain.