CN108855696B

CN108855696B - Spray nozzle fixing support

Info

Publication number: CN108855696B
Application number: CN201810914503.8A
Authority: CN
Inventors: 范永利; 郭玉栋; 叶金茂
Original assignee: Joint Stars Technology Co ltd
Current assignee: Joint Stars Technology Co ltd
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2020-04-07
Anticipated expiration: 2038-08-13
Also published as: WO2020034204A1; CN108855696A

Abstract

The invention discloses a spray head fixing support which comprises a fixing plate, wherein at least two spray heads are fixed on the fixing plate, the spray heads are basically fixed on the fixing plate in parallel along the length direction, and each spray head is provided with a fixed end which is in rotating fit with the fixing plate and a free end which can rotate around the fixed end to adjust the position of the spray head. The spray head fixing support provided by the invention has the advantages that: the adjusting unit can conveniently adjust the direction of the spray heads and ensure that the plurality of spray heads are kept parallel; and a plurality of shower nozzles can stagger along length direction, provide multiple working method for inkjet work, and adaptability is wide, is fit for using widely.

Description

Spray nozzle fixing support

Technical Field

The invention relates to the technical field of PCB (printed circuit board) sprayer installation, in particular to a sprayer fixing support.

Background

In the production process of the PCB, the PCB needs to be subjected to ink jet treatment, in order to reduce the working time, a plurality of nozzles can be arranged to work simultaneously, and the nozzles are required to be kept parallel in the working process so as to avoid ink marks from covering each other.

Disclosure of Invention

The invention aims to solve the technical problem of providing a fixing bracket which can fix a plurality of spray heads and adjust the relative parallelism of the spray heads.

The invention solves the technical problems through the following technical scheme:

the utility model provides a shower nozzle fixed bolster, includes the fixed plate, be fixed with two shower nozzles on the fixed plate at least, the shower nozzle is fixed in on the fixed plate along length direction basic parallel, the shower nozzle have along length direction with fixed plate normal running fit's stiff end to and can rotate the free end of adjustment shower nozzle position around the stiff end.

Preferably, the fixed plate is provided with at least two fixed grooves for fixing the spray head, and one end of each fixed groove is provided with a fixed shaft which is in running fit with the fixed end of the spray head.

Preferably, along the direction of perpendicular to fixed plate, shower nozzle stiff end center indent forms the draw-in groove, draw-in groove and fixed axle butt cooperation.

Preferably, the fixing groove is provided with an adjusting unit matched with the free end of the spray head, and the adjusting unit can adjust the position of the free end along the direction vertical to the length direction of the fixing groove.

Preferably, the adjusting unit comprises a push rod and an elastic part which are respectively arranged at two sides of the free end, the push rod can extrude the free end to one side of the elastic part, and the elastic part is abutted against the free end.

Preferably, the part of the push rod, which is in contact with the free end, is an inclined wedge-shaped structure, the push rod can adjust the fixed position in the vertical direction, and the downward movement of the push rod can drive the free end to move towards one side of the elastic part; the elastic part is a V-shaped elastic sheet, one end of the V-shaped elastic sheet extends to the horizontal state and is fixedly connected with the connecting plate, and the other end of the V-shaped elastic sheet is in butt fit with the free end.

Preferably, the spray head is freely matched with the fixing groove along the length direction of the fixing groove.

Preferably, a connecting plate which is movably matched with the fixing groove along the length direction is arranged in the fixing groove, the spray head is fixed on the connecting plate, and the fixing shaft is fixed at one end of the connecting plate.

Preferably, one end of the fixing groove in the length direction is provided with a linear driving mechanism, a power output end of the linear driving mechanism is fixedly connected with one end, close to the linear driving mechanism, of the connecting plate, and the connecting plate can move linearly along the fixing groove along with the power output end of the linear driving mechanism.

Preferably, the free end and the fixed end of the nozzle are clamped and fixed on a connecting plate through a bolt and a nut respectively, an assembling hole matched with the bolt is formed in the connecting plate, and the position of the bolt can be adjusted in the assembling hole.

The spray head fixing support provided by the invention has the advantages that: the adjusting unit can conveniently adjust the direction of the spray heads and ensure that the plurality of spray heads are kept parallel; and a plurality of shower nozzles can stagger along length direction, provide multiple working method for inkjet work, and adaptability is wide, is fit for using widely.

Drawings

FIG. 1 is a schematic view of a showerhead mounting fixture according to an embodiment of the present invention;

FIG. 2 is a top view of a portion of a showerhead holding fixture according to an embodiment of the present invention;

FIG. 3 is a schematic view of a showerhead mounting fixture provided in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a push rod engaged with a push rod shaft provided by an embodiment of the present invention;

fig. 5 is a schematic view of an elastic part provided in an embodiment of the present invention.

Detailed Description

In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.

Referring to fig. 1 and 2, a nozzle fixing bracket includes a fixing plate 1, where at least two fixing grooves 11 are disposed on the fixing plate 1, the fixing grooves 11 are used to fix a nozzle 2, and the nozzle 2 has a fixing end 21 rotatably engaged with the fixing plate 1 and a free end 22 capable of rotating around the fixing end to adjust the position of the nozzle 2; thereby rotating the spray head 2 relative to the fixed end 21 to adjust the angle, ensuring that the direction of the spray head 2 corresponds to the direction of the PCB, and keeping the plurality of spray heads 2 parallel to each other.

Fixed slot 11 and fixed end 21 complex one end be provided with fixed end 21 normal running fit's fixed axle 12, fixed end 21 can realize rotating free cooperation through setting up with fixed axle 12 normal running fit's fixed orifices (not shown in the figure), in this embodiment, fixed end 21 center is to the indent formation draw-in groove 23, draw-in groove 23 and fixed axle 12 butt, free end 22 can be through draw-in groove 23 with along fixed axle 12 rotation adjusting position. Since the fixing grooves 11 have already limited the spray head 2 to a substantially parallel state, the free end 2 only needs to be finely adjusted.

The fixing groove 11 is further provided with an adjusting unit 3 matched with the free end 22, and the adjusting unit 3 can adjust the position of the free end 22 along the direction perpendicular to the length direction of the fixing groove 11. Referring to fig. 1, the adjusting unit 3 includes a push rod 31 and an elastic part 32 respectively disposed at both sides of the free end 22, a portion of the push rod 31 contacting the free end 22 is an inclined wedge-shaped structure, the push rod 31 can move in a vertical direction to adjust a fixed position, and the push rod 31 can press the free end 22 to move to one side of the elastic part 32 when moving downward; the elastic portion 32 can automatically push the free end 22 to the elastic portion 32 side when the push rod 31 moves upward.

In the preferred embodiment, the nozzle 2 is fixed on a connecting plate 4, the connecting plate 4 is fixed in the fixing groove 11, the fixing shaft 12 is fixed at the end of the connecting plate 4, the fixed end 21 and the free end 22 are respectively fixed on the connecting plate 4 through bolts (not shown), the fixing mode is that the bolts respectively pass through the fixed end 21 and the free end 22 and are clamped and fixed by tightening the bolts with nuts below the connecting plate, the connecting plate 4 is provided with assembling holes (not shown) matched with the bolts, the size of the assembling holes is larger than that of the bolts, and the bolts can be adjusted in position in the assembling holes so as to drive the nozzle 2 to change position.

The adjusting unit 3 is also fixed on the connecting plate 4, referring to fig. 4, a push rod shaft 42 is fixed on the connecting plate 4 at the side of the free end 22, a screw 421 with external thread is arranged above the push rod shaft 42, the push rod 31 has internal thread (not shown) matched with the screw 421, and the push rod 31 can rotate to adjust the height of the push rod shaft 42, so as to change the matching state with the free end 22.

In a preferred embodiment, a spring 422 is further sleeved on the screw 421, a sleeve 311 with a diameter larger than that of the internal thread is arranged below the internal thread of the push rod 31, the spring 422 is limited in the sleeve 311, because the push rod 31 and the screw 421 are not screwed, particularly when the position of the push rod 31 is high, so that only a small number of threads of the screw 421 are matched with the internal thread of the push rod 31, the push rod 31 may shake relative to the push rod shaft 42, and be deviated to a side away from the elastic part 32 by the free end 22 under the action of the elastic part 32, pressure can be provided for matching of the push rod 31 and the screw 421 through the spring 422, so that friction force when the push rod 31 and the screw 421 are screwed is increased, and when the push rod 31 and the screw 421 are not screwed, the shake is not easy to occur, and accurate direction adjustment of.

Referring to fig. 5, in the present embodiment, the elastic portion 31 is a V-shaped elastic piece, one end of the V-shaped elastic piece extends to a horizontal state so as to be fixedly connected with the connecting plate 4, the other end of the V-shaped elastic piece is in abutting fit with the free end 22, and the elastic portion 31 is pressed and deformed by the free end 22 so as to provide the free end 22 with an elastic force moving towards the direction of the push rod 31. The elastic portion 31 may also be implemented using a plunger screw or the like.

The structure can realize that the spray heads 2 are finely adjusted on the fixed support to ensure that the spray heads 2 are parallel, and the effect same as that of multiple operations of a single spray head 2 is obtained when the spray head is used; however, when the head 2 is used, it is sometimes necessary to shift the plurality of heads 2 from each other in the longitudinal direction.

In a preferred embodiment, the connecting plate 4 can adjust the position along the length direction of the fixing groove 11, so that the spray heads 2 are staggered along the length direction, different working modes are provided for ink jet, and the use requirements of different PCB boards are met.

Referring to fig. 2 again, the bottom of the fixing groove 11 is provided with a supporting plate 13, the connecting plate 4 can be accommodated inside the fixing groove 11 and placed on the supporting plate 13, the connecting plate 4 and the fixing groove 11 are fixedly matched along the width direction and movably matched along the length direction, two sides of the fixing groove 11 along the length direction are respectively and fixedly provided with a plurality of pressing blocks 14, and the pressing blocks 14 are fixed on the fixing plate and abutted against the upper surface of the connecting plate 4, so that the connecting plate 4 is pressed in the fixing groove 11 through the pressing blocks 14.

The connecting plate 4 has a receiving groove 43 for allowing the ink ejection portion 24 of the head 2 to pass therethrough, and also has a head groove 131 for allowing the ink ejection portion 24 to pass therethrough on the supporting plate 13, so that the ink ejection portion 24 can extend to the lower surface of the fixing plate 1 to perform an ink ejection operation when the head 2 is fixed to the connecting plate 4.

The fixed slot 11 still is provided with a straight line actuating mechanism 15 along length direction's one end, the power take off end of straight line actuating mechanism 15 and the one end fixed connection that connecting plate 4 is close to straight line actuating mechanism 15, and connecting plate 4 can follow the power take off end of straight line actuating mechanism 15 along the length direction linear motion of fixed slot 11. The linear driving mechanism 15 can be selected from an oil cylinder, an air cylinder, a screw nut and the like.

When the spray head fixing support provided by the invention is used, the connecting plate 4 is fixed at a proper position of the fixing groove 11 through the linear driving mechanism 15, then the connecting plate 4 is pressed in the fixing groove 11 through the pressing block 14, and the direction of the spray head 2 is finely adjusted through the adjusting unit 3.

The fixed plate 1 can also be externally connected with a driving mechanism for driving the fixed plate 1 to move for ink jetting, at the moment, attention needs to be paid to the fact that the driving mechanism cannot be lower than the spray head 2 to prevent the driving mechanism from scratching a PCB, and the specific selection and arrangement mode of the driving mechanism can adopt the prior art in the field.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a shower nozzle fixed bolster which characterized in that: the shower nozzle comprises a fixed plate, wherein at least two shower nozzles are fixed on the fixed plate, the shower nozzles are basically fixed on the fixed plate in parallel along the length direction, and each shower nozzle is provided with a fixed end which is in rotating fit with the fixed plate and a free end which can rotate around the fixed end to adjust the position of the shower nozzle;

the fixed plate is provided with at least two fixed grooves for fixing the spray head, and one end of each fixed groove is provided with a fixed shaft which is in rotating fit with the fixed end of the spray head;

the center of the fixed end of the spray head is recessed inwards to form a clamping groove along the direction vertical to the fixed plate, and the clamping groove is in butt fit with the fixed shaft;

the fixed groove is provided with an adjusting unit matched with the free end of the spray head, and the adjusting unit can adjust the position of the free end along the direction vertical to the length direction of the fixed groove;

the adjusting unit comprises a push rod and an elastic part which are respectively arranged at two sides of the free end, the push rod can extrude the free end to one side of the elastic part, and the elastic part is abutted against the free end;

the part of the push rod, which is in contact with the free end, is of an inclined wedge-shaped structure, the fixed position of the push rod can be adjusted in the vertical direction, and the free end can be driven to move to one side of the elastic part by the downward movement of the push rod; the elastic part is a V-shaped elastic sheet, one end of the V-shaped elastic sheet extends to a horizontal state and is fixedly connected with the connecting plate, and the other end of the V-shaped elastic sheet is in butt fit with the free end;

the spray head is freely matched with the fixed groove along the length direction of the fixed groove;

a connecting plate movably matched with the fixed groove along the length direction is arranged in the fixed groove, the spray head is fixed on the connecting plate, and the fixed shaft is fixed at one end of the connecting plate;

a push rod shaft is fixed on the side face of the free end of the connecting plate, a screw rod with external threads is arranged above the push rod shaft, the push rod is provided with internal threads matched with the screw rod, and the push rod can rotate to adjust the height relative to the push rod shaft, so that the matching state with the free end is changed;

the screw rod is further sleeved with a spring, a sleeve with the aperture larger than that of the internal thread is arranged below the internal thread of the push rod, and the spring is limited in the sleeve.

2. The showerhead mounting bracket of claim 1, wherein: the one end of length direction is followed to the fixed slot is provided with a sharp actuating mechanism, sharp actuating mechanism's power take off end and the one end fixed connection that the connecting plate is close to sharp actuating mechanism, and the connecting plate can follow sharp actuating mechanism's power take off end along fixed slot linear motion.

3. The showerhead mounting bracket of claim 1, wherein: the free end and the fixed end of the spray head are fixed on the connecting plate through bolts and nuts respectively, assembling holes matched with the bolts are formed in the connecting plate, and the positions of the bolts can be adjusted in the assembling holes.