CN209320485U

CN209320485U - A kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing

Info

Publication number: CN209320485U
Application number: CN201822013412.5U
Authority: CN
Inventors: 彭方正
Original assignee: Chongqing Rui Rui Technology Co Ltd
Current assignee: Chongqing shengqilong Technology Co., Ltd
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-08-30
Anticipated expiration: 2028-12-03

Abstract

The utility model discloses a kind of paste-tin printing apparatus automatic on-line cleaning plants of FPC wiring board processing, including workbench and supporting leg, the bottom end quadrangle of the workbench is welded with supporting leg, the top dead center position of the workbench offers the first groove along the longitudinal direction, the top front and rear sides of the workbench offer the second groove communicated with the first groove in left-right direction, the bottom end of second groove offers the dirt discharge groove that two the second grooves are connected, the bottom dead center position of the workbench is welded with the sewage pipe communicated with the inner cavity of dirt discharge groove, the first strip gab is offered along the longitudinal direction at left and right sides of the inner cavity of first groove.The paste-tin printing apparatus automatic on-line cleaning plant of the FPC wiring board processing, can upper and lower surface to steel mesh clear up simultaneously, cleaning effect is good, and tin cream slag is avoided to remain on steel mesh, has ensured the processing quality of wiring board, is conducive to be widely popularized.

Description

A kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing

Technical field

The utility model relates to stencil printer cleaning plant technical field, specially a kind of FPC wiring board processing Paste-tin printing apparatus automatic on-line cleaning plant.

Background technique

In factory carry out FPC wiring board processing when, wherein have a procedure with regard to when using stencil printer to FPC route Plate surface is printed, and during paste solder printing, when being coated by tin cream, extra tin cream can remain in wiring board The surface of steel mesh, over time, remaining tin cream amount can then increase, and cause to have the gap between wiring board and steel mesh in this way, lead It causes scraper plate to coat tin cream in the circuit board, needs to clear up the tin cream slag on steel mesh thus, but existing paste solder printing With cleaning plant, single side cleaning can only be carried out to steel mesh, cleaning effect is bad, and be easy to causeing on steel mesh still has tin cream slag residual, The processing quality for influencing wiring board, is unfavorable for being widely popularized.

Utility model content

The purpose of this utility model is to provide a kind of cleanings of the paste-tin printing apparatus automatic on-line of FPC wiring board processing Device, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of tin cream print of FPC wiring board processing The bottom end quadrangle of brush device automatic on-line cleaning plant, including workbench and supporting leg, the workbench is welded with supporting leg, The top dead center position of the workbench offers the first groove along the longitudinal direction, and the top front and rear sides of the workbench are along a left side Right direction offers the second groove communicated with the first groove, and the bottom end of second groove is offered two the second grooves The dirt discharge groove being connected, the bottom dead center position of the workbench is welded with the sewage pipe communicated with the inner cavity of dirt discharge groove, described The first strip gab is offered along the longitudinal direction at left and right sides of the inner cavity of first groove, and the top of the workbench is welded with down The inner cavity top dead center position screw of the cover board of concave-shaped structure, the cover board is connected with hydraulic cylinder, the bottom end of the hydraulic cylinder There is transverse slat by flanged joint, screw is connected with electric sliding rail in left-right direction for the bottom end of the transverse slat, the electric sliding rail Bottom end slidably connects the first link block, and the bottom end screw of first link block is connected with scraper, and the inner cavity of the cover board is left Side bottom end is connected with the steel mesh to fit with workbench, and the right end of steel mesh is mutually clamped with cover board, the inner cavity or so of the cover board Two sides bottom end offers the second strip gab along the longitudinal direction, and the inner cavity of second strip gab is welded with along the longitudinal direction Cylinder, the outer wall of the cylinder are socketed with rectangular block, and the rectangular block is moved back and forth along the longitudinal direction by reciprocator's driving, institute The inner cavity bottom dead center position for stating the second strip gab offers communicated with the inner cavity of the first strip gab along the longitudinal direction Three strip gabs, the bottom dead center position of the rectangular block are welded with one end of connecting rod, and the other end of the connecting rod is successively The inner cavity of the first groove is extended to through the inner cavity of third strip gab and the first strip gab, and is welded with two connecting rods Connected clearer, the outer wall of the clearer are pasted with non-woven fabrics, and the inner cavity weldering of cover board is extended on the inside of the rectangular block It is connected to the first rectangular box, the inner cavity bottom dead center position of first rectangular box is welded with cored slab, the bottom end of the cored slab Extend the first rectangular box and be bolted with spray head, the equal screw in bottom end front and rear sides of first rectangular box is connected with cleaner plate, institute The bottom end for stating cleaner plate is pasted with cleaning cotton, and the top dead center position of the cored slab is welded with the company communicated with cored slab inner cavity One end of adapter tube, the other end of the connecting tube, which extends the first rectangular box and fits with the top of the first rectangular box, to be extended to On the right side of the top of first rectangular box, the right center position of the cover board is welded with spill frame, the inner cavity bottom end of the spill frame Screw is connected with water pump, and the top screw of the spill frame is connected with water tank, and the water inlet of the water pump is connected with water inlet pipe The other end of water inlet pipe described in one end is mutually clamped with water tank, and water inlet pipe is communicated with the inner cavity of water tank, the water outlet of the water pump It is connected with one end of outlet pipe, the other end of the outlet pipe, which extends on the left of the inner cavity of cover board, has hose by clamp connection The other end of one end, the hose is mutually clamped by clip with connecting tube.

Preferably, the reciprocator includes the second rectangular box, the bottom end of second rectangular box and the top of workbench Left side is mutually welded, and the intracavity posterior end left screw of second rectangular box is connected with motor, and the output end of the motor passes through connection Axis device, which is locked with, to be connected in left-right direction on front side of the first bull stick of own axis, the inner cavity of second rectangular box Can be around the second bull stick of own axis, the outer wall of first bull stick and the second bull stick, which is interference fitted, gear, described The outer wall engagement of gear is connected with the chain that two gears are connected, and the outer right wall of the chain is welded with fixture block, the card The outer wall of block is socketed with rectangle frame, and the right center position of the rectangle frame is welded with the second link block, second link block Right side extend the rectangular block of the second rectangular box and opposite position and mutually weld.

Preferably, the depth of first groove is identical as the thickness for the wiring board that needs are processed, second groove Depth is greater than the depth of the first groove.

Preferably, the length of second strip gab is greater than the length of scraper.

Preferably, successively gap arrangement has seven spray heads from left to right for the bottom end of the cored slab, and every two spray head it Between spacing be 7cm.

Compared with prior art, the utility model has the beneficial effects that the paste-tin printing apparatus of the FPC wiring board processing Automatic on-line cleaning plant, external power supply water pump and motor by connecting water pump and motor are started to work, can be incited somebody to action by water pump Water extraction in water tank, and pass sequentially through outlet pipe, hose and connecting tube and cored slab and steel mesh is cleaned from spray head ejection, Rectangular block, connecting rod and the first rectangular box can be driven to move back and forth forward or backward by reciprocator, so as to make connecting tube, Cored slab, spray head, cleaner plate and clearer move back and forth forward or backward, and spray head carries out forward or backward the upper surface of steel mesh Reciprocal cleaning, cleaner plate carry out reciprocal wiping forward or backward to the upper surface of steel mesh, and clearer is to steel mesh lower surface window position Progress reciprocal wiping forward or backward is set, is cleared up simultaneously so as to the upper and lower surface to steel mesh, cleaning effect is good, avoids tin Cream slag remains on steel mesh, has ensured the processing quality of wiring board, is conducive to be widely popularized.

Detailed description of the invention

Fig. 1 is schematic diagram of main cross-sectional structure of the utility model；

Fig. 2 is the enlarged structure schematic diagram at the utility model A；

Fig. 3 is the left view schematic cross-sectional view of utility model works platform；

Fig. 4 is the enlarged structure schematic diagram at the utility model B；

Fig. 5 is the right side schematic cross-sectional view of the utility model reciprocator；

Fig. 6 is the schematic perspective view of utility model works platform.

In figure: 1, workbench, 2, supporting leg, the 3, first groove, the 4, second groove, 5, dirt discharge groove, 6, sewage pipe, 7, first Strip gab, 8, cover board, 9, hydraulic cylinder, 10, transverse slat, 11, electric sliding rail, the 12, first link block, 13, scraper, 14, steel mesh, 15, the second strip gab, 16, cylinder, 17, rectangular block, 18, third strip gab, 19, connecting rod, 20, clearer, 21, first Rectangular box, 22, cored slab, 23, spray head, 24, cleaner plate, 25, connecting tube, 26, spill frame, 27, water pump, 28, water tank, 29, into Water pipe, 30, outlet pipe, 31, hose, 32, reciprocator, the 321, second rectangular box, 322, motor, the 323, first bull stick, 324, Second bull stick, 325, gear, 326, chain, 327, fixture block, 328, rectangle frame, the 329, second link block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of paste solder printing of FPC wiring board processing Device automatic on-line cleaning plant, including workbench 1 and supporting leg 2, the bottom end quadrangle of workbench 1 are welded with supporting leg 2, work The top dead center position for making platform 1 offers the first groove 3 along the longitudinal direction, and the top front and rear sides of workbench 1 are in left-right direction The second groove 4 communicated with the first groove 3 is offered, the bottom end of the second groove 4, which offers, is connected two the second grooves 4 Dirt discharge groove 5, the bottom dead center position of workbench 1 is welded with the sewage pipe 6 communicated with the inner cavity of dirt discharge groove 5, recessed by second Slot 4, dirt discharge groove 5 and sewage pipe 6 can facilitate the sewage discharge on workbench 1, and the inner cavity left and right sides of the first groove 3 is along front and back Direction offers the first strip gab 7, and the top of workbench 1 is welded with the cover board 8 of undercut shape structure, the inner cavity of cover board 8 Top dead center position screw is connected with hydraulic cylinder 9, and the model HS01210L of hydraulic cylinder 9, hydraulic cylinder 9 is by oil inlet pipe and goes out Oil pipe is connected with hydraulic pump, connects hydraulic pump external power supply, hydraulic pump startup, and hydraulic cylinder 9 is started to work, the bottom end of hydraulic cylinder 9 There is transverse slat 10 by flanged joint, screw is connected with electric sliding rail 11 in left-right direction for the bottom end of transverse slat 10, electric sliding rail 11 Model FPLS60, the bottom end of electric sliding rail 11 slidably connect the first link block 12, and the bottom end screw of the first link block 12 connects Be connected to scraper 13, bottom end is connected with the steel mesh 14 to fit with workbench 1 on the left of the inner cavity of cover board 8, and the right end of steel mesh 14 with The clamping of 8 phase of cover board drives dynamic scraper 13 to be moved downward to and fits with steel mesh 14 by hydraulic cylinder 9, can by electric sliding rail 11 It drives the first link block 12 and the reciprocating movement of scraper 13 or so to carry out painting to the tin cream on steel mesh 14 to scrape, the inner cavity or so of cover board 8 Two sides bottom end offers the second strip gab 15 along the longitudinal direction, and the inner cavity of the second strip gab 15 is welded with along the longitudinal direction Cylinder 16, the outer wall of cylinder 16 are socketed with rectangular block 17, the movement that rectangular block 17 can be made more stable by cylinder 16, pass through Two strip gabs 15 can facilitate the movement of rectangular block 17, and rectangular block 17 is moved back and forth along the longitudinal direction by the driving of reciprocator 32, The inner cavity bottom dead center position of second strip gab 15 offers communicated with the inner cavity of the first strip gab 7 along the longitudinal direction Three strip gabs 18, the bottom dead center position of rectangular block 17 are welded with one end of connecting rod 19, and the other end of connecting rod 19 is successively The inner cavity that the first groove 3 is extended to through the inner cavity of third strip gab 18 and the first strip gab 7, passes through the first strip gab 7 and second third strip gab 18 can facilitate the movement of connecting rod 19, and be welded with by two connecting rods 19 be connected clearer 20, the outer wall of clearer 20 is pasted with non-woven fabrics, can be to 14 lower surface the window's position of steel mesh by clearer 20 and non-woven fabrics Tin cream slag is cleared up, and the inner cavity that the inside of rectangular block 17 extends to cover board 8 is welded with the first rectangular box 21, the first rectangular box 21 Inner cavity bottom dead center position be welded with cored slab 22, the bottom end of cored slab 22 extends the first rectangular box 21 and is bolted with spray head 23, the equal screw in bottom end front and rear sides of the first rectangular box 21 is connected with cleaner plate 24, and the bottom end of cleaner plate 24 is pasted with cleaning cotton, The tin cream slag of 14 upper surface of steel mesh can be cleared up by cleaner plate 24 and cleaning cotton, the top dead center position weldering of cored slab 22 Be connected to one end of the connecting tube 25 communicated with 22 inner cavity of cored slab, the other end of connecting tube 25 extend the first rectangular box 21 and with The top of first rectangular box 21, which fits, to be extended on the right side of the top of the first rectangular box 21, the right center position welding of cover board 8 There is spill frame 26, the inner cavity bottom end screw of spill frame 26 is connected with water pump 27, the model 150QJ0-50/7 of water pump 27, by outer The control of portion's operating system, the top screw of spill frame 26 are connected with water tank 28, can be facilitated by spill frame 26 to water tank 28 and water The support of pump 27, the water inlet of water pump 27 is connected with the other end of one end water inlet pipe 29 of water inlet pipe 29 and 28 phase of water tank is clamped, And water inlet pipe 29 is communicated with the inner cavity of water tank 28, the water outlet of water pump 27 is connected with one end of outlet pipe 30, outlet pipe 30 it is another One end extends to the one end for having hose 31 on the left of the inner cavity of cover board 8 by clamp connection, the other end of hose 31 by clip and The clamping of 25 phase of connecting tube.

Preferably, further, reciprocator 32 includes the second rectangular box 321, the bottom of the second rectangular box 321 It holds and is mutually welded with the top left hand of workbench 1, the intracavity posterior end left screw of the second rectangular box 321 is connected with motor 322, motor The servo motor of 322 model MR-J2S-10A, is controlled by peripheral operation system, and the output end of motor 322 passes through shaft coupling Being locked with can be around the first bull stick 323 of own axis, and the inner cavity front side of the second rectangular box 321 be connected in left-right direction can Around the second bull stick 324 of own axis, the outer wall of the first bull stick 323 and the second bull stick 324, which is interference fitted, gear 325, the outer wall engagement of gear 325 is connected with the chain 326 that two gears 325 are connected, and the outer right wall of chain 326 is welded with Fixture block 327, the outer wall of fixture block 327 are socketed with rectangle frame 328, and the movement of fixture block 327 is driven by chain 326, can drive rectangle Frame 328 moves back and forth along the longitudinal direction, and the right center position of rectangle frame 328 is welded with the second link block 329, the second link block 17 phase of rectangular block that the second rectangular box 321 and opposite position are extended in 329 right side is welded, and can be driven by reciprocator 32 Rectangular block 17 moves back and forth forward or backward.

Preferably, further, the depth of the first groove 3 is identical as the thickness for the wiring board that needs are processed, The depth of second groove 4 is greater than the depth of the first groove 3, can be placed by the first groove 3 and need the wiring board processed, by the Two grooves 4, which can facilitate, is discharged into sewage in the second groove 4.

Preferably, further, the length of the second strip gab 15 is greater than the length of scraper 13, can make first Rectangular box 21 can move out the position of the work of scraper 13, it is ensured that the first rectangular box 21 will not influence the work of scraper 3.

Preferably, further, successively gap arrangement has seven spray heads from left to right for the bottom end of cored slab 22 23, and the spacing between every two spray head 23 is 7cm, is cleaned by the upper surface that water can be sprayed on steel mesh 14 by spray head 23.

Its detailed connection means is techniques well known, following mainly to introduce working principle and process, specific works It is as follows.

When needing to clear up steel mesh 14, it is also turned on the external power supply of water pump 27 and motor 322,322 band of motor The gear 325 of dynamic 323 outer wall of first bull stick 323 and the first bull stick rotates clockwise, in matching for chain 326 and two gears 325 Under conjunction, when the gear 325 of 323 outer wall of the first bull stick can be made to rotate, drive chain 326 mobile clockwise, the drive of chain 326 is located at The gear 325 of 324 outer wall of second bull stick 324 and the second bull stick is rotated clockwise, and chain 326 drives fixture block 327 along chain 326 motion track is moved clockwise, in the cooperation of fixture block 327 and rectangle frame 328, fixture block 327 can be made to drive rectangle frame 328 and second link block 329 move back and forth forward or backward, the second link block 329 drives the rectangular block 17 for being located at the left side of cover board 8 It is moved back and forth forward or backward along corresponding cylinder 16, the rectangular block 17 positioned at 8 left side of cover board drives connecting rod 19, first Rectangular box 21 and the rectangular block 17 on the right side of cover board 8 are moved back and forth forward or backward simultaneously, and the first rectangular box 21 drives Connecting tube 25, cored slab 22, spray head 23 and cleaner plate 24 move back and forth forward or backward, and connecting rod 19 drives clearer 20 forward Or move back and forth backward, while clearer 20, spray head 23 and cleaner plate 24 are mobile, water pump 27 passes through water inlet pipe 29 for water tank 28 water extraction, and the inner cavity of cored slab 22 is discharged by outlet pipe 30, hose 31 and connecting tube 25, and sprayed pair from spray head 23 The tin cream slag of the upper surface of steel mesh 14 is cleaned, and cleaner plate 24 wipes the upper surface of steel mesh 14, and clearer 20 is to steel The tin cream slag of the corresponding the window's position in 14 lower surface of net carries out wiping cleaning, and the sewage after cleaning is from steel mesh 14 and the first groove 3 rear and front end is discharged into the second groove 4, and is expelled to outside workbench 1 by dirt discharge groove 5 and sewage pipe 6, device operation Simply, practical, effectively the tin cream slag on steel mesh 14 is cleared up.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation；While unless Separately there is specific regulation and limit, the terms such as term " clamping ", " axis connects ", " grafting ", " welding ", " being screwed on " should do broad sense reason Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary The interaction relationship of element unless otherwise restricted clearly for the ordinary skill in the art, can be according to tool Body situation understands the concrete meaning of above-mentioned term in the present invention.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing, including workbench (1) and supporting leg (2), the bottom end quadrangle of the workbench (1) is welded with supporting leg (2), it is characterised in that: in the top of the workbench (1) Heart position offers the first groove (3) along the longitudinal direction, and the top front and rear sides of the workbench (1) open up in left-right direction There is the second groove (4) communicated with the first groove (3), the bottom end of second groove (4) is offered two the second grooves (4) The bottom dead center position of the dirt discharge groove (5) being connected, the workbench (1) is welded with the row communicated with the inner cavity of dirt discharge groove (5) The inner cavity left and right sides of dirt pipe (6), first groove (3) offers the first strip gab (7), the work along the longitudinal direction The top for making platform (1) is welded with the cover board (8) of undercut shape structure, and the inner cavity top dead center position screw of the cover board (8) connects It is connected to hydraulic cylinder (9), the bottom end of the hydraulic cylinder (9) has transverse slat (10) by flanged joint, the bottom end edge of the transverse slat (10) Left and right directions screw is connected with electric sliding rail (11), and the bottom end of the electric sliding rail (11) slidably connects the first link block (12), the bottom end screw of first link block (12) is connected with scraper (13), bottom end clamping on the left of the inner cavity of the cover board (8) Have the steel mesh (14) to fit with workbench (1), and the right end of steel mesh (14) is mutually clamped with cover board (8), the cover board (8) it is interior Bottom end offers the second strip gab (15) along the longitudinal direction at left and right sides of chamber, the inner cavity edge of second strip gab (15) Front-rear direction is welded with cylinder (16), and the outer wall of the cylinder (16) is socketed with rectangular block (17), and the rectangular block (17) is by past Structure (32) driving of answering a pager's call moves back and forth along the longitudinal direction, and the inner cavity bottom dead center position of second strip gab (15) is along front and back Direction offers the third strip gab (18) communicated with the inner cavity of the first strip gab (7), the bottom end of the rectangular block (17) Center is welded with one end of connecting rod (19), and the other end of the connecting rod (19) sequentially passes through third strip gab (18) Extend to the inner cavity of the first groove (3) with the inner cavity of the first strip gab (7), and be welded with by two connecting rods (19) be connected Clearer (20), the outer wall of the clearer (20) are pasted with non-woven fabrics, extend to cover board (8) on the inside of the rectangular block (17) Inner cavity be welded with the first rectangular box (21), the inner cavity bottom dead center position of first rectangular box (21) is welded with cored slab (22), the bottom end of the cored slab (22) is extended the first rectangular box (21) and is bolted with spray head (23), first rectangular box (21) the equal screw in bottom end front and rear sides is connected with cleaner plate (24), and the bottom end of the cleaner plate (24) is pasted with cleaning cotton, institute The top dead center position for stating cored slab (22) is welded with one end of the connecting tube (25) communicated with cored slab (22) inner cavity, the company The other end of adapter tube (25), which extends the first rectangular box (21) and fits with the top of the first rectangular box (21), extends to first On the right side of the top of rectangular box (21), the right center position of the cover board (8) is welded with spill frame (26), the spill frame (26) Inner cavity bottom end screw be connected with water pump (27), the top screw of the spill frame (26) is connected with water tank (28), the water pump (27) water inlet is connected with the other end of water inlet pipe described in one end of water inlet pipe (29) (29) and water tank (28) is mutually clamped, and into Water pipe (29) is communicated with the inner cavity of water tank (28), and the water outlet of the water pump (27) is connected with one end of outlet pipe (30), described The inner cavity left side that the other end of outlet pipe (30) extends to cover board (8) has one end of hose (31) by clamp connection, described soft The other end of pipe (31) is mutually clamped by clip with connecting tube (25).

2. a kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing according to claim 1, Be characterized in that: the reciprocator (32) includes the second rectangular box (321), the bottom end of second rectangular box (321) and work The top left hand of platform (1) is mutually welded, and the intracavity posterior end left screw of second rectangular box (321) is connected with motor (322), institute Stating the output end of motor (322), be locked with by shaft coupling can be around the first bull stick (323) of own axis, second square Being connected in left-right direction on front side of the inner cavity of shape case (321) can be around the second bull stick (324) of own axis, and described first turn Bar (323) and the outer wall of the second bull stick (324), which are interference fitted, to be had gear (325), and the outer wall of the gear (325) engages connection There is the chain (326) that two gears (325) are connected, the outer right wall of the chain (326) is welded with fixture block (327), described The outer wall of fixture block (327) is socketed with rectangle frame (328), and the right center position of the rectangle frame (328) is welded with the second connection Block (329) extends the rectangular block of the second rectangular box (321) and opposite position on the right side of second link block (329) (17) it mutually welds.

3. a kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing according to claim 1, Be characterized in that: the depth of first groove (3) is identical as the thickness for the wiring board that needs are processed, second groove (4) Depth is greater than the depth of the first groove (3).

4. a kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing according to claim 1, Be characterized in that: the length of second strip gab (15) is greater than the length of scraper (13).

5. a kind of paste-tin printing apparatus automatic on-line cleaning plant of FPC wiring board processing according to claim 1, Be characterized in that: successively gap arrangement has seven spray heads (23), and every two spray head from left to right for the bottom end of the cored slab (22) (23) spacing between is 7cm.