CN2232657Y

CN2232657Y - Quick soldering machine for circuit board

Info

Publication number: CN2232657Y
Application number: CN 95208891
Authority: CN
Inventors: 章国华; 钱江涛
Original assignee: JIANGSU INST OF RADIO SCIENCE
Current assignee: JIANGSU INST OF RADIO SCIENCE
Priority date: 1995-04-28
Filing date: 1995-04-28
Publication date: 1996-08-07
Anticipated expiration: 2005-04-28

Abstract

The utility model relates to a welding device of a printed circuit board, which is the improvement of utility models with patent number 94212880. X and application number 94217085.7, composed of a handle, a coating machine, a preheating machine and a tin pan. The utility model is provided with an elevating mechanism which can move up and down following the handle and a set of transmission mechanism which is that the handle is used to control an elevating frame to move downwards to enter the coating machine, the preheating machine and the tin pan for coating, preheating and welding. All the mechanism only move up and down but not move horizontally and each circuit board can finish three welding processes only by operation for one time. The utility model can improve work efficiency and reduce material consumption.

Description

Rapid line plate bonding machine

The utility model relates to a kind of welder of printed substrate

The patent No. of applicant application be CN94217085.7 to the patent No. be 91200099.6,91200100.3 and patent No. 94212880.X done improvement, hang on the monorail head mobile, simplify the structure, increased flux container with the consumption that reduces scaling powder etc., its track is closed, can be a plurality of the heads order, circulate in the enterprising line operate of closed orbit, bigger improvement has been arranged.But also there are some problems in it, with other bonding machine common characteristic is arranged, be that its head is to move or rotate, and wiring board is to be fixed on the head and to move or rotate with head, wiring board is wanted one one being installed on the head, all to move, apply, move, preheating, move welding, move and the cooling head such as returns at the multiple tracks action each piece wiring board, operation was both complicated, the shared time is many again, and the coating of the front and rear part of every wiring board, give heat, weld time difference, can reduce welding quality.

It is a kind of manual that the purpose of this utility model is to provide, can weld fast, efficient higher, the simpler bonding machine of operation, welding cost is more reduced, welding quality is better.The utility model is to realize like this, by frame, handle, coating machine, preheating machine and tin pot etc. become, it is characterized in that: have one can with handle press down and on lift and the elevating mechanism that moves up and down, there are a pair of clamping wiring board or circuit board clipping in the lifting frame lower end of elevating mechanism, make the wiring board interior gathering sill of linear slide therein, also has a cover by moving up into coating machine under the handle control lifting frame, preheating machine and tin pot apply, give the transmission mechanism of heat and welding, all mechanisms all only move up and down and do not move as the plane, handle whenever presses down once, coating machine, the top of preheating machine and tin pot respectively have be clamped in a wiring board in the gathering sill drop to each self-corresponding position and apply, preheating or welding, can carry out different process operations to three wiring boards simultaneously, every operation once finishes, not operated wiring board is pushed into bonding machine from an end of interior gathering sill, the wiring board that one block welding finishes is ejected bonding machine from the other end, because elevating mechanism is provided with roller, convex slope mechanism, front and rear rolling wheel has differential seat angle, cause roller with contact and disengaging has a time difference, promptly an end has descended earlier, on after under behind the other end, having guaranteed that the wiring board front and rear part is actual applies with to weld the shared time identical, has improved the quality of welding.

The utility model compared with prior art has the following advantages:

(1) as long as. every wiring board carries out three operations that once-through operation can be finished welding, and is much higher than prior art efficient.

(2). much less is wanted in coating agent and scolding tin and consumption.

(3). guarantee each position welding of wiring board evenly, quality improves.

Description of drawings:

Fig. 1 is a profile schematic perspective view of the present utility model

Fig. 2 is the utility model internal structure schematic diagram

Fig. 3 is the interlude structure chart of three sections compositions for interior gathering sill

Accompanying drawing is described in conjunction with the embodiments

Fig. 1 is the external form schematic perspective view of the utility model embodiment, and Fig. 2 is the utility model internal structure schematic diagram.

The utility model is made up of frame, handle, coating machine, preheating machine and tin pot, coating machine 11, preheating machine 112 and tin pot 113 are arranged on the gantry base 116, there is control panel 110 in last the place ahead of base 116, and both sides respectively are fixed with side plate 105, and cover plate 106 is arranged at top.

Have one with handle 109 press down and the elevating mechanism doing to descend or rise, elevating mechanism has a lifting frame 230, lifting frame 230 is rectangle tank brackets, it has a rectangular indentation near the control panel place, the interior lower edge of lifting frame 230 is fixed with the interior gathering sill 108 of a pair of clamping wiring board 114 or circuit board clipping 117, the interior gathering sill that wiring board 114 or circuit board clipping 117 slide at interior gathering sill 108 cathetus, the order clampings three wiring boards 114 or circuit board clipping 117 over against answering coating machine 111 in the interior gathering sill 108, preheating machine 112 and tin pot 113, lifting frame 230 clamping wiring boards 113 or circuit board clipping 117 make lifting frame 230 descend under the effect of elevating mechanism and enter coating machine 111, preheating machine 112 and tin pot 113, apply, preheating and scolding tin, every operation once finishes, gathering sill 108 in not operated wiring board is pushed into from

guide groove

104 or 115, wiring boards in the interior gathering sill 108 position of advancing successively, carry out next operational sequence, and the wiring board that was in tin pot 113 tops originally guide groove 105 from the other end of bonding machine after welding ejects bonding machine, and the like, as long as every wiring board on average carries out three operations that once-through operation can be finished welding.

The two ends of downside are fixed with respectively that a pair of guiding is recessed takes turns 107 and respectively be fixed with a pair of convex slope 213,214 at the two ends of lifting frame 230 left and right sides upper limbs outside the front and back of lifting frame 230, lead and recessedly take turns 107 and lean against on the guide post 119 that lifting frame 230 is limited do to rise or descend, 119 liang of upper limbs of guide post respectively are fixed with a fixing crosspiece 229, guide post 119 and fixedly crosspiece 229 all be fixed on the biside plate 105 of base 116.

Interior gathering sill 108 can be a continuous groove (as Fig. 1), can also be divided into three sections, is to be fixed on the preheating support 120 and to be installed on the base 116 by side plate 121 corresponding to a section 108 ' (Fig. 3) of preheating machine in the middle of promptly.Because the existence of preheating support 120 is arranged, the position of preheating machine is higher than coating machine 111 and tin pot 113, so be in preheat mode all the time corresponding to the wiring board on the preheating machine 112, this wiring board need not with corresponding coating machine 111 and tin pot 113 on the same need the decline of wiring board operate.

The transmission mechanism that the control lifting frame rises or descends is one to be fixed on the handle 109 of fan-shaped internal gear 206 upper ends, the tip of fan-shaped internal gear 206 has one to make fan-shaped internal gear 206 weight 232 that can automatically reset handle after staff release handle 109 resets, fan-shaped internal gear 206 is fixed on the fan-shaped inner gear shaft 205, it is meshed with ratchet 207, ratchet 207 is fixed on the front axle 203 that inserts in 105 of biside plates, front axle 203 and fan-shaped inner gear shaft 205 all pass the left and right sides frame of adjusting bracket 204 to locate fan-shaped internal gear 206, also has pair of sprocket 208A on the front axle 203, be connected with sprocket wheel 208B by chain 209, sprocket wheel 208B is fixed on the axis 202, axis 202 is through on adjusting bracket 204 left and right sides crosspieces, so axis 202 carries out folk prescription to rotation synchronously with front axle 203.Rear axle 201 is to insert left and right sides plate 105 location, and 202 of rear axle 201 and axis are with a pair of back minor axis pivoted arm 223, and the both sides of front axle 203 and axis 202 all the upper fixed in

convex slope

214 and 213 roller of being with support arm 210 is arranged.

When handle 109 drives fan-shaped internal gear 206 when pressing down, ratchet 207 drives front axle 203 and rotates, the roller support arm 210 that is contained on the front axle 203 drives front wheel 211 folk prescriptions to rotation, simultaneously because preceding sprocket wheel 208A passes through chain 209 back sprocket wheel 208B, so the roller support arm 210 on the axis 202 drives rear roller 212 and makes folk prescription synchronously to rotation with front wheel 211, because front wheel 211 remains certain phase difference with rear roller 212, so when front and rear

rolling wheel

211 and 212 rotations, contact and leave

convex slope

213 and 214 time difference is arranged, when making lifting frame 230 descend or rise, the front side is in the first elder generation down, rear side is on the back back down, this has just guaranteed that the wiring board front and rear part is actual and has applied with to weld the shared time identical, has guaranteed the uniformity of welding quality.

Fan-shaped internal gear 206 is to be designed to 1 to 1 with the tooth ratio of ratchet 207, be that fan-shaped internal gear 206 is when being pressed onto the end from the top down, ratchet 207 rotates a circle, front and rear

rolling wheel

211 and 212 is rotated a circle synchronously, the armrest handle gravity of weight 232 that resets during release handle 109, handle 109 and fan-shaped internal gear 206 automatically reset to highest order, because ratchet 207 is-folk prescription is to rotating, front axle and axis all do not rotate when resetting, lifting frame 230 can not be depressed, be handle to pressing down once, finish an operating process.

Roller support arm 210 on the axis 202 drives the back and touches front and back convex

slope

214 and 213 and lifting frame 230 moved down in the morning and evening on the lifting frame 230 with the regular hour differential, handle 109 is depressed into and unclamps after minimum, the reset gravity of weight 232 of armrest handle, handle 109 automatically resets the highest, because the folk prescription of ratchet is to rotation, rear axle 203 does not rotate when resetting, front and rear

rolling wheel

212 and 211 remains on the opposite position of original position, depress for the second time handle, front and rear

rolling wheel

212 and 211 is returned to original position to rotate a circle same fall time, and lifting frame 230 drives wiring board or circuit board clipping applies, heating and welding.

There is the front and back up and down

screw

227 and 225 of regulating its extreme higher position to withstand on fixedly on the crosspiece and on adjusting bracket front and rear crosspiece 224B and the 224A and locks its positions by lock-

screw

226 and 228.

There is the stop screw 231 of regulating lifting frame 230 to withstand on the lifting frame 230 on the adjusting bracket left and right sides crosspiece 204.

Respectively there are two front and

back poles

215 and 216 in the both sides of lifting frame 230, and consequence

heavy chain bar

217 and 218 hangs over by

pulley

219 and 221 and makes lifting frame 230 keep the front and

rear part weight

220 and 222 of extreme higher position before each.

Wiring board 114 or circuit board clipping 117 are that the outer prolongation part by interior gathering sill 108 is that notched guide groove 115 enters or withdraw from bonding machine, also can be to enter or withdraw from bonding machine by the upper and lower bin that fixing major axis 102 and frame 116 are fixed.Upper and lower bin by notched guide groove 104, guide groove fixed head 103, form, guide groove 104 is fixed on the guide groove fixed head 103 by screw 118, guide groove fixed head 103 is fixed on the base 101 by screw 118.

Claims

1. rapid line plate bonding machine, by frame, handle, the coating pot, compositions such as preheating machine and tin pot, the coating pot, preheating machine and tin pot place on the gantry base, there is control panel in last the place ahead of base, it is characterized in that: have one can with handle press down and the elevating mechanism doing to descend and rise, lower edge is fixed with a pair of clamping wiring board or circuit board clipping in the lifting frame of elevating mechanism, make wiring board enter bonding machine from an end, linear slide applies therein, preheating and welding also are pushed out the interior gathering sill of bonding machine from the other end, also have a cover to be descended by handle control lifting frame, the transmission mechanism that rises:

1. elevating mechanism by rectangle near the control panel place have rectangular indentation lifting frame (230), a pair ofly be fixed on the interior gathering sill (108) of lifting frame (230) inner underside, respectively have and a pair ofly be fixed on recessed wheel of guiding (107) at outer downside two ends before and after the lifting frame (230) and respectively have a pair of convex slope (213) (214) to form at upper limb two ends, lifting frame (230) left and right sides.The recessed wheel (107) of leading leans against lifting frame (108) limited on the guide post (119) of doing decline or rising, guide post (119) two upper limbs respectively are fixed with a fixing crosspiece (229), guide post (119) and fixedly crosspiece (229) all be fixed on the biside plate (105) of base (116);

2. the transmission mechanism of controlling lifting frame decline or rising is by the handle (109) that is fixed on fan-shaped internal gear (206) upper end, be fixed on fan-shaped internal gear (206) most advanced and sophisticated can make the automatically reset handle of fan-shaped internal gear (206) weight (232) that resets, be fixed on the fan-shaped internal gear (206) on the fan-shaped inner gear shaft (205), with form with the ratchet (207) of fan-shaped internal gear (206) engagement, ratchet (207) is fixed on the front axle (203) that inserts in biside plate (105), front axle (203) and fan-shaped inner gear shaft (205) all pass the left and right sides frame of adjusting bracket (204) to locate fan-shaped internal gear (206), front axle (203) go up to also have pair of sprocket (208A), is connected the synchronous with it folk prescription that is through on the frame of adjusting bracket (204) left and right sides with sprocket wheel (208B) to the axis (202) that rotates by chain (209).The rear axle (201) that inserts left and right sides plate (105) location is with a pair of back minor axis pivoted arm (223), the other end of back minor axis pivoted arm (223) and adjusting bracket left and right sides frame all are through on the axis (202), there is the roller support arm (210) of band roller (211), (212) both sides of front axle (203) and axis (202) all upper fixed in convex slope (213), (214), and front and rear rolling wheel (211), (212) remain certain phase difference;

It can be notched guide groove (115) that the machine of 3. interior gathering sill (108) prolongs part outward, also can be the guide groove (103) that is connected by side plate (103) by on fixing major axis (102) and the upper and lower bin (101) that frame (116) is fixed.

2. according to the said rapid line plate of claim 1 bonding machine, it is characterized in that interior gathering sill (108) can be a continuous groove, can also be divided into three sections, promptly middle one period (108 ') corresponding to preheating machine is to be fixed on preheating support (120) by side plate (121) to go up and be hinged with on base (116).

3. according to the said rapid line plate of claim 1 bonding machine, it is characterized in that adjusting bracket front and rear crosspiece (224A) has front and back up and down screw (225), (227) of regulating its extreme higher position and lock-screw (226) and (228) of locking its position on reaching (224B).

4. according to the said rapid line plate of claim 1 bonding machine, it is characterized in that adjusting bracket front and rear crosspiece (224A) has the stop screw (231) of adjusting lifting frame (230) to withstand on the lifting frame (230) on reaching (224B).

5. according to the said rapid line plate of claim 1 bonding machine, respectively there are two front and back pole (215) and (216) both sides that it is characterized in that lifting frame (230), and consequence heavy chain bar (217) (218) hangs over by pulley (219) and (221) lifting frame (230) is kept on the front and rear part weight (220) and (222) of extreme higher position before each.

6. according to the said rapid line plate of claim 1 bonding machine, it is characterized in that upper and lower bin by notched guide groove (104), guide groove fixed head (103), form, guide groove (104) is fixed on the guide groove fixed head (103) by screw (118), and guide groove fixed head (103) is fixed on the base (101) by screw (118).