CN216550798U - Lifting assembly of cathode shielding plate and cathode shielding plate device - Google Patents

Abstract

The utility model discloses a lifting component of a cathode shield and a cathode shield device, comprising: the lifting device comprises an installation plate, a transmission shaft, a connecting piece, a lifting wheel and a power piece, wherein the transmission shaft is rotatably arranged on the surface of the installation plate, the upper end of the connecting piece is connected with the power piece, and the lower end of the connecting piece is connected with the transmission shaft; the lifting wheel is connected to the transmission shaft, so that the lifting wheel winds and unwinds the wire rope along with the rotation of the transmission shaft. The power part drives the connecting part to swing, so that the rotating shaft connected with the connecting part is driven to rotate, the lifting wheel connected to the transmission shaft is further driven to rotate, and the wire rope connected with the cathode shield plate is wound and unwound, so that the lifting motion of the cathode shield plate is realized.

Description

Lifting assembly of cathode shielding plate and cathode shielding plate device

Technical Field

The utility model relates to the technical field of circuit board production equipment, in particular to a lifting assembly of a cathode shielding plate and a cathode shielding plate device.

Background

Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and a process of attaching a layer of metal film on the surface of a metal or other material product by using the action of electrolysis has the effects of preventing metal oxidation (such as corrosion), improving wear resistance, conductivity, light reflection, corrosion resistance (such as copper sulfate and the like), enhancing the appearance and the like.

The common electroplating device for the PCB workpiece generally comprises a tank body, an anode plate, a cathode plate (to-be-electroplated PCB workpiece) and a jet flow device for promoting the flow of electrolyte, but because the distance between the cathode plate and the anode plate is very large, the uniformity of power line distribution is influenced, the current distribution on the to-be-electroplated PCB workpiece is uneven, the thickness of an electroplated layer is inconsistent, the product quality is influenced, and therefore a shielding plate for adjusting the reaction speed of the edge or the central position of the cathode plate and the anode plate needs to be arranged in electroplating equipment.

Most of the current adjustment methods for the cathode shield adopt manual adjustment and motor adjustment, however, the following defects exist in the adjustment methods: (1) the cathode shielding plate is jacked up by adopting a screw rod in manual adjustment, and the height needing to be lifted is judged by human eyes, so that the condition that one end of the shielding plate is high and the other end of the shielding plate is low is easily caused, and adverse effects are caused on the high-quality production of a circuit board when the plating is carried out; (2) the motor is adjusted and is used the motor to rotate to certain angle, promotes the sunshade through the mode of a plurality of sensor location to the height of settlement, though than artifical manual regulation convenient accuracy, but if promote the height in little stroke scope, the method of using the motor to promote is too complicated to need use a plurality of sensors, cause use cost height.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lifting assembly of a cathode shielding plate and a cathode shielding plate device, and aims to solve the problems of complex operation, high use cost and poor adjustment precision.

In order to achieve the above object, a first aspect of the present invention provides a lifting assembly for a cathode shield, comprising: a mounting plate, a transmission shaft, a connecting piece, a lifting wheel and a power piece,

the transmission shaft is rotatably arranged on the surface of the mounting plate, the upper end of the connecting piece is connected with the power piece, and the lower end of the connecting piece is connected with the transmission shaft;

the lifting wheel is connected to the transmission shaft, so that the lifting wheel winds and unwinds the wire rope along with the rotation of the transmission shaft.

Preferably, the power part comprises an air cylinder and a connecting unit, one end of the connecting unit is connected with a piston rod of the air cylinder, and the other end of the connecting unit is connected with the upper end of the connecting piece, so that the connecting piece is driven by the air cylinder to swing to drive the transmission shaft to rotate.

Preferably, the linkage unit includes connector, antifriction bearing and guiding axle, the connector is close to the one end of connecting piece is equipped with the notch, the upper end of connecting piece is vertical to be passed the notch, just the upper end of connecting piece seted up with notch looks vertically movable groove, antifriction bearing passes through the guiding axle is rotationally located in the notch, just antifriction bearing is located in the movable groove, the piston rod of cylinder with the connector is kept away from the one end of connecting piece is connected.

Preferably, the lower end of the connecting piece is provided with a round hole, and the transmission shaft penetrates through the round hole, so that the connecting piece can be connected to the transmission shaft in a swinging mode.

Preferably, the lifting assembly of the cathode shutter further comprises a first bearing seat and a second bearing seat, the first bearing seat and the second bearing seat are respectively fixed on the mounting plate, and the transmission shaft is rotatably sleeved on the first bearing seat and the second bearing seat in a rotating manner.

Preferably, the lifting wheels are at least two and are respectively a first lifting wheel and a second lifting wheel, and the first lifting wheel and the second lifting wheel are respectively connected to two ends of the transmission shaft.

Preferably, the lifting assembly of cathode screen board still includes the cylinder fixing base, the cylinder fixing base includes fixed plate, first vertical board and the vertical board of second, first vertical board with the vertical board offside of second sets up, just a side of first vertical board with a side of the vertical board of second respectively with the both sides on a fixed plate surface are connected, the power spare is fixed another of fixed plate is surperficial.

Preferably, the mounting plate is provided with a plurality of mounting holes for fixing.

In a second aspect of the present invention, a cathode shutter device is provided, comprising: the mounting plate is fixedly connected to the side edge of the electroplating cylinder, the electroplating cylinder is provided with an accommodating groove, the cathode shielding plate is arranged in the accommodating groove in a lifting mode, the cord is wound on a lifting wheel, one end of the cord is connected with the cathode shielding plate, and the power part drives the transmission shaft to rotate so that the cord is wound and unwound to drive the cathode shielding plate to move up and down in the accommodating groove.

Preferably, the cathode shutter device further comprises two sets of symmetrically arranged guide units, a first guide unit and a second guide unit,

the first guide unit and the second guide unit respectively comprise an upper guide seat and a lower guide seat, the upper guide seat and the lower guide seat are respectively installed at the top and the bottom of the electroplating cylinder, and the upper guide seat and the lower guide seat are respectively connected with the wire rope.

According to the technical scheme, the connecting piece is driven to swing through the power piece, so that the rotating shaft connected with the connecting piece is driven to rotate, the lifting wheel connected to the transmission shaft is further driven to rotate, and the rope connected with the cathode shield plate is wound and unwound, so that the cathode shield plate is lifted and lowered.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of a lift assembly for a cathode shield according to the present invention;

FIG. 2 is a schematic view of the connection between the power member and the connecting member of the elevating assembly of the cathode shield according to the present invention;

FIG. 3 is an exploded view of the power unit of the lift assembly of the cathode shield of the present invention;

FIG. 4 is a schematic view of a cylinder holder of the elevating assembly of the cathode shield according to the present invention;

FIG. 5 is a schematic view of a cathode shutter apparatus according to an embodiment of the present invention;

FIG. 6 is another schematic view of a cathode shutter apparatus according to an embodiment of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a lifting component of a cathode shielding plate, which can lead the electrolysis speed of the edge part to be faster because the edge part of a plate to be electroplated inevitably generates the edge effect of a power line in a natural state, and inevitably causes the condition of uneven overall electroplating thickness if the edge and the middle position of the plate to be electroplated are electroplated at the same speed, so the lifting component of the cathode shielding plate is needed to adjust the lifting of the shielding plate.

Referring to fig. 1, according to an embodiment of the present application, the elevating assembly 1 of the cathode shield 7 includes a mounting plate 11, a driving shaft 12, a connecting member 15, elevating wheels 16 and a power member 13,

wherein, the transmission shaft 12 is rotatably arranged on the surface of the mounting plate 11, the upper end of the connecting piece 15 is connected with the power piece 13, and the lower end of the connecting piece 15 is connected with the transmission shaft 12; the lifting wheel 16 is connected to the transmission shaft 12 such that the lifting wheel 16 winds and unwinds the wire 5 in accordance with the rotation of the transmission shaft 12.

Because wait that the bottom of plated item easily takes place power line edge effect, the effect of cathode sunshade 7 is the shielding waits the plated item bottom promptly, reduces the reaction rate of waiting the plated item bottom to because the size of each batch waiting the plated item is different respectively, consequently need set up cathode sunshade 7 into the structure of liftable, make cathode sunshade 7 can rise to the bottom of waiting the plated item of different height shielding different sizes like this, consequently the lifting unit 1 of cathode sunshade 7 is exactly the motion that is used for driving cathode sunshade 7, concrete principle is as follows:

according to the technical scheme, the power part 13 is connected with the transmission shaft 12 through the connecting part 15, when the device works, the power part 13 pushes the connecting part 15 outwards, and the lower end of the connecting part 15 is connected with the transmission shaft 12, so that the rotating shaft is driven to rotate, the lifting wheel 16 connected to the transmission shaft 12 is driven to rotate, and the wire ropes 5 connected with the cathode shield 7 are wound and unwound, so that the lifting movement of the cathode shield 7 is realized, the structure is simple, the operation is convenient, the use cost is low, and the adjusting precision is high.

Referring to fig. 2, in one embodiment of the present application, the power member 13 includes a cylinder 131 and a connection unit, one end of the connection unit is connected to a piston rod of the cylinder 131, and the other end of the connection unit is connected to an upper end of the connection member 15, so that the connection member 15 is driven by the cylinder 131 to swing to rotate the transmission shaft 12.

When the cathode shielding plate 7 needs to be lifted, the piston rod of the cylinder 131 drives the connecting unit to extend and retract, and the other end of the connecting unit is connected with the upper end of the connecting piece 15, so that the connecting piece 15 is driven to swing towards the outer circumference of the transmission shaft 12, and then the transmission shaft 12 is driven to rotate, and the lifting wheel 16 connected to the transmission shaft 12 is driven to rotate, thereby realizing the lifting movement of the cathode shielding plate 7. In the present embodiment, the air cylinder 131 is used to drive the connecting member 15 to swing, or an electric cylinder may be used to drive, which is not limited herein.

Referring to fig. 2 and 3, specifically, the connection unit includes a connection head 132, a rolling bearing 135 and a guide shaft 134, a notch 133 is formed at one end of the connection head 132 close to the connection member 15, the upper end of the connection member 15 vertically passes through the notch 133, a movable groove 19 perpendicular to the notch 133 is formed at the upper end of the connection member 15, the rolling bearing 135 is rotatably disposed in the notch 133 through the guide shaft 134, the rolling bearing 135 is located in the movable groove 19, and a piston rod of the air cylinder 131 is connected to one end of the connection head 132 far away from the connection member 15. It should be noted that, stretch out and draw back through drive connector 132 for the antifriction bearing 135 who connects in notch 133 of connector 132 is following and is moving, because antifriction bearing 135 is located movable groove 19, makes driven reciprocating motion in movable groove 19, and then drive connection 15 swings, thereby realizes the rotation to transmission shaft 12, simple structure, the modern design, convenient operation.

Referring to fig. 2, in one embodiment of the present application, a circular hole 110 is opened at a lower end of the connection member 15, and the driving shaft 12 passes through the circular hole 110, so that the connection member 15 is swingably connected to the driving shaft 12.

Referring to fig. 1, in an embodiment of the present application, the lifting assembly 1 of the cathode shutter 7 further includes a first bearing seat 17 and a second bearing seat 18, the first bearing seat 17 and the second bearing seat 18 are respectively fixed on the mounting plate 11, and the transmission shaft 12 is rotatably sleeved on the first bearing seat 17 and the second bearing seat 18.

Referring to fig. 1, in one embodiment of the present application, at least two lifting wheels 16 are provided, namely, a first lifting wheel 16 and a second lifting wheel 16, and the first lifting wheel 16 and the second lifting wheel 16 are respectively connected to two ends of the transmission shaft 12. In the present embodiment, two lifting wheels 16 are provided, that is, a first lifting wheel 16 and a second lifting wheel 16 are connected to two ends of the transmission shaft 12, so that two cords 5 can be wound conveniently, and stability when the cathode shield 7 is lifted is also facilitated; it should be noted that the lifting wheels 16 arranged on the transmission shaft 12 can be selected to cooperate with more lifting wheels 16 according to the requirements of the cathode shutter 7 to be lifted, but at least two lifting wheels are arranged, so that the lifting stability can be ensured.

Referring to fig. 4, in an embodiment of the present application, the lift assembly 1 of the cathode shutter 7 further includes a cylinder fixing base 14, the cylinder fixing base 14 includes a fixing plate 141, a first vertical plate 142 and a second vertical plate 143, the first vertical plate 142 and the second vertical plate 143 are disposed at opposite sides, and one side of the first vertical plate 142 and one side of the second vertical plate 143 are respectively connected to both sides of one surface of the fixing plate 141, and the power member 13 is fixed on the other surface of the fixing plate 141.

In one embodiment of the present application, the mounting plate 11 has a plurality of mounting holes for fixing. It should be noted that the installation plate 11 is fixed on the side of the cathode shielding plate 7 device by passing a bolt through the installation hole on the installation plate 11, so as to realize the installation of the transmission shaft, and the installation and the disassembly are convenient.

Referring to fig. 5 and 6, the cathode shutter 7 apparatus of the above embodiment is mainly used in an electroplating apparatus, that is, according to another aspect of the present invention, there is provided a cathode shutter 7 apparatus including: electroplating jar 2, negative pole sunshade 7, cotton rope 5 and the lifting unit 1 of above-mentioned embodiment, mounting panel 11 fixed connection are in the side of electroplating jar 2, and electroplating jar 2 is equipped with holding tank 6, and negative pole sunshade 7 sets up in holding tank 6 liftable, and cotton rope 5 twines on lifting wheel 16, the one end of cotton rope 5 with negative pole sunshade 7 is connected, and power component 13 drive transmission shaft 12 rotates to make cotton rope 5 receive and release and drive negative pole sunshade 7 and carry out the elevating movement in holding tank 6.

According to the technical scheme, the cathode shield plate 7 is connected through the wire rope 5, the wire rope 5 is wound on the lifting wheel 16, when the cathode shield plate 7 needs to be lifted, the power part 13 drives the transmission shaft 12 to rotate, the lifting wheel 16 connected to the transmission shaft 12 rotates, and the winding and unwinding of the wire rope 5 are controlled, so that the cathode shield plate 7 is lifted in the accommodating groove 6 of the electroplating cylinder 2, the structure is simple, the operation is convenient, and the lifting height of the cathode shield plate 7 is accurately controlled.

In one embodiment of the application, the cathode shield 7 arrangement further comprises two sets of symmetrically arranged guiding units, a first guiding unit 3 and a second guiding unit 4,

the first guide unit 3 and the second guide unit 4 both comprise an upper guide seat and a lower guide seat, the upper guide seat and the lower guide seat are respectively installed at the top and the bottom of the electroplating cylinder 2, and the upper guide seat and the lower guide seat are both connected with the wire rope 5.

It should be noted that, the top and the bottom of the two side edges of the electroplating cylinder 2 are respectively provided with an upper guide seat and a lower guide seat, then the two side edges are respectively connected with one side of the left end of the cathode shield by passing through the upper guide seat and the lower guide seat which are positioned on the same side through a string 5, similarly, the other string 5 is respectively connected with the other side of the left end of the cathode shield by passing through the upper guide seat and the lower guide seat which are positioned on the other side, and the string 5 is wound on the lifting wheel 16, so that the connection of the left end of the cathode shield is completed, and the connection of the right end of the cathode shield 7 is the same as the connection of the left end, which is not explained herein; by the connection mode, the lifting wheel 16 can wind and unwind the wire rope 5 simultaneously when rotating, the purpose of synchronously lifting and lowering the cathode shielding is achieved, the situation that one end of the lifting wheel is lifted fast and the other end of the lifting wheel is lifted slowly is avoided, and the lifting stability of the cathode shielding plate 7 is better.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A cathode shield lift assembly, comprising: a mounting plate, a transmission shaft, a connecting piece, a lifting wheel and a power piece,

the transmission shaft is rotatably arranged on the surface of the mounting plate, the upper end of the connecting piece is connected with the power piece, and the lower end of the connecting piece is connected with the transmission shaft;

the lifting wheel is connected to the transmission shaft, so that the lifting wheel can retract and release the wire rope along with the rotation of the transmission shaft.

2. The lift assembly of a cathode shutter according to claim 1, wherein the power member comprises a cylinder and a connecting unit, one end of the connecting unit is connected to a piston rod of the cylinder, and the other end of the connecting unit is connected to an upper end of the connecting member, so that the connecting member is driven by the cylinder to swing to rotate the transmission shaft.

3. The cathode shutter lifting assembly as claimed in claim 2, wherein the connecting unit includes a connector, a rolling bearing and a guide shaft, a notch is formed at an end of the connector close to the connector, the upper end of the connector vertically passes through the notch, a movable groove perpendicular to the notch is formed at the upper end of the connector, the rolling bearing is rotatably disposed in the notch through the guide shaft, the rolling bearing is disposed in the movable groove, and a piston rod of the cylinder is connected to an end of the connector away from the connector.

4. The lift assembly of claim 3, wherein the connector has a circular hole formed at a lower end thereof, and the shaft passes through the circular hole, so that the connector is swingably coupled to the shaft.

5. The cathode shutter lift assembly of claim 1, further comprising a first bearing block and a second bearing block, the first bearing block and the second bearing block being secured to the mounting plate, respectively, the drive shaft being rotatably journaled on the first bearing block and the second bearing block.

6. The cathode shutter lifting assembly of claim 1, wherein the lifting wheels are at least two, i.e., a first lifting wheel and a second lifting wheel, and the first lifting wheel and the second lifting wheel are connected to two ends of the transmission shaft, respectively.

7. The lift assembly of a cathode shield as claimed in claim 1, further comprising a cylinder fixing base, the cylinder fixing base comprising a fixing plate, a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate being disposed at opposite sides, and a side of the first vertical plate and a side of the second vertical plate being connected to both sides of one surface of the fixing plate, respectively, the power member being fixed to the other surface of the fixing plate.

8. The cathode shutter lift assembly of claim 1, wherein the mounting plate has a plurality of mounting holes for attachment.

9. A cathode shutter apparatus, comprising: the electroplating device comprises an electroplating cylinder, a cathode shield plate, a wire rope and the lifting assembly of any one of claims 1 to 7, wherein the mounting plate is fixedly connected to the side edge of the electroplating cylinder, the electroplating cylinder is provided with a containing groove, the cathode shield plate is arranged in the containing groove in a lifting mode, the wire rope is wound on a lifting wheel, one end of the wire rope is connected with the cathode shield plate, and the power part drives the transmission shaft to rotate so that the wire rope is wound and unwound to drive the cathode shield plate to move up and down in the containing groove.

10. The cathode shutter apparatus of claim 9, further comprising two sets of symmetrically arranged guide units, a first guide unit and a second guide unit,

the first guide unit and the second guide unit respectively comprise an upper guide seat and a lower guide seat, the upper guide seat and the lower guide seat are respectively installed at the top and the bottom of the electroplating cylinder, and the upper guide seat and the lower guide seat are respectively connected with the wire rope.

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