TWI724963B - Vertical spray device and surface treatment equipment - Google Patents

Abstract

The present invention provides a vertical spray device and surface treatment equipment; the vertical spray device includes a frame, a vertical spray frame and a lifting mechanism that drives the vertical spray frame to move up and down, and the vertical spray frame is supported on the lifting mechanism , The lifting mechanism is installed on the frame. The present invention realizes vertical spraying by setting a vertical spraying rack; setting a lifting mechanism to push the vertical spraying rack to move up and down, the liquid medicine sprayed on the circuit board can be disturbed, so as to better flow on the circuit board. The surface of the circuit board is treated; since the vertical spray frame moves up and down, it can prevent the circuit board from being subject to greater impact on the side to ensure the quality of the circuit board.

Description

Vertical spray device and surface treatment equipment

The invention belongs to the technical field of circuit board processing equipment, and particularly relates to a vertical spray device and surface treatment equipment.

When the circuit board is processed and manufactured, it is generally necessary to use surface treatment equipment to perform processing such as etching, film removal, and cleaning on the circuit board. When the circuit board is surface treated, a spray method is generally used to spray the liquid on the circuit board. The current spraying method is divided into horizontal spraying and vertical spraying. Horizontal spraying is to place the circuit board on the horizontal transfer line, and the spray pipes are arranged on the horizontal surface, and the nozzles on the spray pipe spray down to the circuit board. The vertical spray is to set the circuit board vertically, and the spray pipe is arranged on the vertical surface, and the nozzle on the spray pipe sprays the liquid medicine on the vertical circuit board. Due to the horizontal spray, the liquid medicine on the circuit board often cannot flow out in time, which will affect the processing accuracy; therefore, the current processing of high-quality circuit boards mostly adopts the vertical spray method.

At present, in order to make the liquid medicine cover the entire circuit board, a rotating structure is generally provided to drive the spray pipe to swing around a vertical axis. However, when the spray pipe swings around the vertical axis, the liquid sprayed from the nozzle will be sprayed on the printed circuit obliquely, which will cause greater impact on the side of the circuit and affect the quality of the circuit.

The purpose of the embodiments of the present invention is to provide a vertical spray device to solve the problem that the spray pipe swings around the vertical axis in the vertical spray device in the related art, which will cause the side of the line to receive a greater impact and affect the line Quality issues.

In order to achieve the above objective, the technical means adopted in the embodiments of the present invention is to provide a vertical spray device, which includes a frame, a vertical spray frame for vertical spray, and a lifting mechanism that drives the vertical spray frame to move up and down. The vertical spray frame is supported on the lifting mechanism, and the lifting mechanism is installed on the frame.

In an optional embodiment, there are two vertical spray racks, and the two vertical spray racks are arranged in parallel and spaced apart.

In an optional embodiment, the lifting mechanism includes a lifting rod connected to each of the vertical spray frames, a guide seat that guides the lifting movement of the lifting rod, and a lifting driving mechanism that drives the lifting rod to lift, and the lifting driving mechanism is installed On the frame, the guide seat is installed on the frame, and the lifting rod is slidably installed on the frame.

In an optional embodiment, the lifting drive mechanism includes a push rod whose two ends are respectively hingedly connected to the lifting rods corresponding to each of the vertical spray racks, a support that supports the middle of the push rod, and a support that drives one end of the push rod to rise and fall. A rocker, an eccentric wheel that drives the rocker to swing, and a rotary drive assembly that drives the eccentric wheel to rotate. The rotary drive assembly is installed on the frame, the support is installed on the frame, and the middle of the push rod is connected to the The supports are hingedly connected.

In an optional embodiment, the rotation drive assembly includes a rotation shaft supporting the eccentric wheel, a driving shaft driving the rotation shaft to rotate, a direction changer connecting the driving wheel and the rotation shaft, and a lifter driving the driving shaft to rotate. A motor, the lifting motor is installed on the frame, and the driving wheel and the rotating shaft are respectively rotatably installed on the frame.

In an optional embodiment, the lifting drive mechanism includes a plurality of the push rods and a plurality of supports respectively supporting each of the push rods, the two ends of each push rod are respectively hinged with the lifting rod, and each push rod has two The lifting rods at one end are respectively connected with the two vertical spray racks; the lifting driving mechanism further includes a connecting rod, one end of each push rod is hinged with the connecting rod, and the rocking rod is hinged with the connecting rod.

In an optional embodiment, a plurality of the eccentric wheels are mounted on the rotating shaft, each of the eccentric wheels is respectively mounted with the rocker, and each rocker is hinged with the connecting rod.

In an optional embodiment, the lifting mechanism further includes an elastic member that elastically pushes each lifting rod upward, the upper end of the elastic member is fixedly connected with the lifting rod, and the lower end of the elastic member is supported on the frame.

In an optional embodiment, the vertical spray rack includes a plurality of spray pipes arranged on a vertical surface and a bracket supporting each spray pipe, and each spray pipe is provided with a plurality of nozzles, and the bracket Connected with the lifting mechanism.

Another object of the embodiments of the present invention is to provide surface treatment equipment, including the vertical spray device as described in any of the above embodiments.

The effect of the vertical spray device provided by the embodiment of the present invention is: Compared with the prior art, the present invention implements vertical spray by setting a vertical spray frame; when a lifting mechanism is provided to push the vertical spray frame to move up and down, it sprays to The liquid medicine on the circuit board can be disturbed and flow on the circuit board to treat the surface of the circuit board; because the vertical spray frame moves up and down, it can avoid the circuit board from being "suffered" by the side of the circuit board from being greatly impacted. Ensure the production quality of circuit boards.

The effect of the surface treatment equipment provided by the embodiments of the present invention is that: compared with the prior art, the surface treatment equipment uses the above-mentioned vertical spray device, which can perform vertical spray treatment on the vertical circuit board, and can better ensure the circuit board quality.

In order to explain the technical means in the embodiments of the present invention more clearly, the following will briefly introduce the drawings that need to be used in the embodiments or exemplary technical descriptions. Obviously, the drawings in the following description are merely of the present invention. In some embodiments, it is easy for a person skilled in the art to think about other schemes based on these schemes.

In order to make the technical problems, technical means and effects to be solved by the present invention clearer, the following further describes the present invention in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless otherwise specifically defined. The meaning of "at least one" is one or more than one, unless otherwise specifically defined.

In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the diagram, and is only for convenience The present invention is described and simplified description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two elements or an interaction relationship between two elements. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

The reference to "one embodiment", "some embodiments" or "embodiments" described in the specification of the present invention means that one or more embodiments of the present invention include a specific feature, structure, or characteristic described in connection with the embodiment . Therefore, the sentences "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. appearing in different places in this specification are not necessarily All refer to the same embodiment, but mean "one or more but not all embodiments" unless it is specifically emphasized otherwise. In addition, in one or more embodiments, specific features, structures, or characteristics may be combined in any suitable manner.

Please refer to FIG. 1 and FIG. 2, the vertical spray device 100 provided by the present invention will now be described. The vertical spray device 100 includes a frame 11, a vertical spray frame 20 and a lifting mechanism 30. The vertical spraying rack 20 is used for vertical spraying, so as to spray the liquid medicine on the vertically arranged circuit board. The vertical spray frame 20 is supported on the lifting mechanism 30, and the vertical spray frame 20 is supported by the lifting mechanism 30. The lifting mechanism 30 is installed on the frame 11 to support the lifting mechanism 30 and the vertical spray frame through the frame 11 20. Drive the vertical spray frame 20 to move up and down through the lifting mechanism 30, so that the sprayed liquid medicine can better cover the vertical line, so that when the circuit board moves forward or rotates, it can cover the entire circuit board; and spray to The liquid medicine on the circuit board can be better disturbed and flow on the circuit board to treat the surface of the circuit board. Since the vertical spray frame 20 moves up and down, the circuit board can be prevented from being subject to a large side impact, so as to ensure the production quality of the circuit board.

Compared with the prior art, the vertical spraying device 100 provided by the present invention realizes vertical spraying by arranging the vertical spraying rack 20; the lifting mechanism 30 is provided to push the vertical spraying rack 20 to move up and down, and then spraying to the line The liquid medicine on the board can be disturbed and flow on the circuit board to treat the surface of the circuit board; since the vertical spray frame 20 moves up and down, the circuit board can be prevented from being subject to greater impact on the side to ensure the circuit The production quality of the board.

In one embodiment, referring to Figure 1, the vertical spray frame 20 includes a plurality of spray pipes 21 and brackets 22. Each spray pipe 21 is installed on the bracket 22, and each spray pipe 21 is supported by the bracket 22. A plurality of spray tubes 21 are arranged on a vertical surface, and a plurality of nozzles 23 are installed on each spray tube 21, so that the plurality of nozzles 23 are arranged on the vertical surface for vertical spraying. The bracket 22 is connected with the lifting mechanism 30 to drive the bracket 22 to lift through the lifting mechanism 30, thereby driving the spray pipes 21 and the nozzles 23 on them to move up and down. In some embodiments, a hollow plate body may also be used, and the nozzle 23 is installed on the plate body, and the plate body is arranged vertically to form a vertical spray frame 20.

In one embodiment, each spray pipe 21 is arranged vertically, and a plurality of spray pipes 21 are arranged in a horizontal direction, so as to realize the arrangement of each nozzle 23 on a vertical surface. Of course, in some embodiments, each spray pipe 21 can also be arranged horizontally, and a plurality of spray pipes 21 are arranged in a vertical direction, or each nozzle 23 can be arranged on a vertical surface.

In one embodiment, referring to Figures 1 and 4, there are two vertical spray racks 20, and the two vertical spray racks 20 are arranged in parallel and spaced apart. Two vertical spray racks 20 are provided to spray the liquid medicine on both sides of the circuit board at the same time, so as to better perform surface treatment on the circuit board and improve efficiency. Of course, in some embodiments, only one vertical spray rack 20 may be provided to spray one side of the circuit board.

In an embodiment, the lifting mechanism 30 may be a linear movement mechanism such as a screw nut mechanism, a linear motor, an air cylinder, etc., to directly drive the vertical spray frame 20 to lift.

In one embodiment, referring to Figures 1 to 3, the lifting mechanism 30 includes a lifting rod 31, a guide seat 32, and a lifting driving mechanism 33. Each vertical spray frame 20 is respectively connected with a lifting rod 31 for lifting through The rod 31 supports the corresponding vertical spray frame 20. The lifting rod 31 is slidably installed on the frame 11, and the guide seat 32 and the lifting rod 31 are in one-to-one correspondence, so as to guide the lifting rod 31 to move up and down through the guide seat 32. The guide seat 32 may be a structure such as a guide sleeve, a guide ring, etc. The guide seat 32 is sleeved on the lifting rod 31 to guide the lifting rod 31 to rise and fall, and each guide seat 32 is installed on the frame 11. The lifting drive mechanism 33 is installed on the frame 11, and the lifting rod 31 is driven to move up and down through the lifting drive mechanism 33 to drive the corresponding vertical spray frame 20 to move up and down. Setting the lifting rod 31 can better guide the vertical spray frame 20 to move up and down, and ensure the vertical spray frame 20 to lift up and down steadily. In some embodiments, the lifting mechanism 30 may be a linear movement mechanism such as a screw nut mechanism, a linear motor, an air cylinder, etc., to directly drive the lifting rod 31 to move up and down.

In one embodiment, referring to Figures 1, 3, and 4, the lifting mechanism 30 further includes an elastic member 311. Each lifting rod 31 is respectively mounted on the elastic member 311, and the upper end of the elastic member 311 is connected to the lifting rod 31. Fixedly connected, the lower end of the elastic member 311 is supported on the frame 11, and the elastic member 311 is used to elastically push the corresponding lifting rod 31 upward. By elastically pushing the lifting rod 31 upward through the elastic member 311, part of the gravity of the vertical spray frame 20 and the lifting rod 31 can be offset, so as to facilitate the lifting driving mechanism 33 to flexibly push the lifting rod 31 and the corresponding vertical spray frame 20 to move up and down.

In one embodiment, the elastic member 311 is an elastic telescopic tube, such as a corrugated tube with elastic telescoping performance, or an elastic telescopic rubber tube. In some embodiments, the elastic member 311 may also be a spring, or an elastic rubber cylinder with a spring skeleton.

In one embodiment, referring to Figures 1 to 3, the lifting drive mechanism 33 includes a push rod 34, a support 35, a rocker 37, an eccentric wheel 36, and a rotating drive element 39. The rotating drive element 39 is mounted on the frame 11, the support 35 is installed on the frame 11, the middle part of the push rod 34 is hingedly connected with the support 35, the two ends of the push rod 34 are respectively hinged to the lifting rods 31 corresponding to the two vertical spray frames 20, the push rod 34 The middle part of the rod is hinged with the support 35, so that the push rod 34 forms a seesaw structure. The rocker 37 is installed on the eccentric wheel 36. The eccentric wheel 36 rotates to drive the rocker 37 to swing, and the rocker 37 is connected to one end of the push rod 34, In turn, one end of the push rod 34 can be driven up and down, and the other end of the push rod 34 can be driven up and down at the same time, so that the lifting rods 31 at both ends of the push rod 34 can move up and down synchronously in opposite directions, thereby driving the two vertical spray racks 20 to move up and down.

In one embodiment, the rotating drive element 39 includes a rotating shaft 394, a driving shaft 392, a direction changer 393, and a lifting motor 391. The eccentric wheel 36 is mounted on the rotating shaft 394, and the eccentric wheel 36 is supported and driven to rotate by the rotating shaft 394. The direction changer 393 is connected to the driving shaft 392 and the rotation shaft 394, and the lifting motor 391 is connected to the driving shaft 392 to drive the driving shaft 392 to rotate, and then the rotation shaft 394 is driven to rotate through the direction changer 393, thereby driving the eccentric wheel 36 to rotate. This structure can facilitate the position layout of the lifting motor 391. The diverter 393 may use a bevel gear structure or a worm gear structure or the like. In some embodiments, it is also possible to directly use the lifting motor 391 to drive the eccentric wheel 36 to rotate, or to use the lifting motor 391 to drive the rotating shaft 394 to rotate.

In one embodiment, the lifting drive mechanism 33 includes a plurality of push rods 34 and a plurality of supports 35, the supports 35 and the push rods 34 are in a one-to-one correspondence, and the two ends of each push rod 34 are respectively hinged with a lifting rod 31, each The lifting rods 31 at both ends of the push rod 34 are respectively connected to the two vertical spray frames 20 to more stably support each vertical spray frame 20 and smoothly drive the vertical spray frames 20 to move up and down. The lifting drive mechanism 33 also includes a connecting rod. One end of each push rod 34 is hinged with the connecting rod, and the rocking rod 37 is hinged with the connecting rod, so that the connecting rod is driven up and down by the rocker 37, and then the push rods 34 are driven to swing synchronously to drive each push rod 34. The vertical spray frame 20 moves up and down smoothly.

In some embodiments, a plurality of lifting rods 31 are connected to each vertical spray frame 20, and the lifting driving mechanism 33 further includes a connecting rod 38 respectively connected to a plurality of lifting rods 31 corresponding to each vertical spray frame 20, and a push rod Both ends of 34 are respectively hinged with two connecting rods 38. This structure can also drive the corresponding lifting rods 31 of each vertical spray frame 20 to rise and fall synchronously to ensure the vertical spray frame 20 to rise and fall smoothly. In addition, in some embodiments, only one push rod 34 may be provided in the structure to simplify the structure.

In one embodiment, referring to Figures 1 to 3, a plurality of eccentric wheels 36 are mounted on the rotating shaft 394, and each eccentric wheel 36 is respectively mounted with a rocker 37, and each rocker 37 is hinged to the connecting rod 38 , In order to more smoothly drive the connecting rod 38 to move up and down. Of course, in some embodiments, the rocker 37 and the eccentric wheel 36 may both be one.

The embodiment of the present invention also provides a surface treatment device, and the surface treatment device includes the vertical spray device 100 as described in any of the above examples. The surface treatment equipment uses the above-mentioned vertical spray device 100, which can perform vertical spray treatment on the vertical circuit board, and can also ensure the quality of the circuit board.

The above descriptions are only optional embodiments of the present invention and are not intended to limit the present invention. Any changes, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the present invention. Within the scope of protection.

100: Vertical spray device

11: rack

20: Vertical spray rack

21: Spray pipe

22: bracket

23: Nozzle

30: Lifting mechanism

31: Lifting pole

311: Elastic

32: guide seat

33: Lifting drive mechanism

34: putter

35: support

36: eccentric wheel

37: Joystick

38: connecting rod

39: Rotary drive assembly

391: Lifting motor

392: active shaft

393: direction changer

394: Rotation Axis

Figure 1 is a partial structural schematic diagram of a vertical spray device provided by an embodiment of the present invention. Fig. 2 is a partial structural diagram of a vertical spray device provided by an embodiment of the present invention. Figure 3 is a partial structural diagram of the vertical spray device provided by an embodiment of the present invention in a left view. Figure 4 is a partial structural diagram of the vertical spray device provided by an embodiment of the present invention in a right view.

100: Vertical spray device

11: rack

20: Vertical spray rack

21: Spray pipe

22: bracket

23: Nozzle

30: Lifting mechanism

31: Lifting pole

311: Elastic

32: guide seat

33: Lifting drive mechanism

34: putter

36: eccentric wheel

37: Joystick

38: connecting rod

39: Rotary drive assembly

393: direction changer

394: Rotation Axis

Claims (7)

A vertical spray device, which is characterized in that it comprises a frame, a vertical spray frame for vertical spray, and a lifting mechanism that drives the vertical spray frame to move up and down. The vertical spray frame is supported on the lifting mechanism. The lifting mechanism is installed on the frame, wherein there are two vertical spraying racks, and the two vertical spraying racks are arranged in parallel and spaced apart, and the lifting mechanism includes a lifting rod connected to each of the vertical spraying racks, and a guide The guide seat for the lifting movement of the lifting rod and the lifting driving mechanism for driving the lifting rod up and down, the lifting driving mechanism is installed on the frame, the guiding seat is installed on the frame, and the lifting rod is slidably installed on the frame , Wherein the lifting drive mechanism includes a push rod whose two ends are respectively hingedly connected with the lifting rod corresponding to each vertical spray frame, a support supporting the middle of the push rod, a rocker that drives one end of the push rod to lift, and drives the rocker The rod swings the eccentric wheel and the rotary drive assembly that drives the eccentric wheel to rotate. The rotary drive assembly is mounted on the frame, the support is mounted on the frame, and the middle of the push rod is hingedly connected with the support. The vertical spray device according to claim 1, wherein the rotating drive assembly includes a rotating shaft supporting the eccentric wheel, a driving shaft driving the rotating shaft to rotate, a direction changer connecting the driving wheel and the rotating shaft, and driving the rotating shaft. A lifting motor with a driving shaft rotating, the lifting motor is installed on the frame, and the driving wheel and the rotating shaft are respectively rotatably installed on the frame. The vertical spray device according to claim 1, wherein the lifting driving mechanism includes a plurality of the push rods and a plurality of supports respectively supporting the push rods, and the two ends of each push rod are respectively hinged with the lifting rods, The lifting rods at both ends of each push rod are respectively connected with two vertical spray racks; the lifting driving mechanism further includes a connecting rod, one end of each push rod is hinged with the connecting rod, and the rocking rod is hinged with the connecting rod. The vertical spray device according to claim 3, wherein a plurality of the eccentric wheels are installed on the rotating shaft, each of the eccentric wheels is respectively installed with the rocker, and each rocker is hinged with the connecting rod. The vertical spray device according to claim 1, wherein the lifting mechanism further includes an elastic member that elastically pushes each lifting rod upward, the upper end of the elastic member is fixedly connected with the lifting rod, and the lower end of the elastic member is supported on the lifting rod. On the rack. The vertical spray device according to any one of claims 1 to 5, wherein the vertical spray frame includes a plurality of spray pipes arranged on a vertical surface and a bracket supporting each spray pipe, each of the spray pipes A plurality of nozzles are installed on the shower pipe, and the bracket is connected with the lifting mechanism. A surface treatment equipment, characterized in that it comprises the vertical spray device according to any one of claims 1 to 6.

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