CN209627855U - A kind of clip in the automatic tin-spraying machine of pcb board - Google Patents

Abstract

The utility model discloses the clips in a kind of automatic tin-spraying machine of pcb board, clamping position and clearance position are equipped in clamping opening, edges of boards edge is avoided in clamping position, is clipped at the inside of edges of boards edge, edges of boards edge allows at clearance position, it thickens accordingly even when some edges of boards edge are impaired, clip mouth will not be propped up, edges of boards edge thickness change can not form the clamping of clip and interfere, clip very reliable can clamp pcb board, to reduce board falling rate.

Description

A kind of clip in the automatic tin-spraying machine of pcb board

Technical field

The utility model belongs to pcb board spray tin equipment technical field, more specifically, be related to a kind of pcb board sprays tin automatically Clip in machine.

Background technique

The spray tin surface coating industry most commonly seen as one kind that pcb board plate face is handled, is widely used in route In the production of plate, the quality of tin is sprayed, influences whether the quality and weldability of subsequent soldering processes, is become in pcb board production The technique that must be strictly controlled；Traditional pcb board tin spray process is all artificial upper and lower plate, and productivity is low, and artificial By plate operation, scrap of the product often is caused because of the misoperation of personnel；

It is come out with the development of science and technology the automatic tin jet device of pcb board has been developed, no longer by the way of manual work, But it uses mechanical instead of manual working；Labour has been liberated, cost of labor is reduced；Pcb board is put into tin-spraying machine by manipulator It is interior and by tin-spraying machine clip clamp, then clip moves still further below, enters spray molten tin bath with pcb board；

Because the edges of boards of pcb board easily because it is various collision caused by certain edges of boards damage so that at this edges of boards rise Zou become Thickness, and other undamaged edges of boards are still very thin；When certain part edges of boards plays Zou Bianhou, if fixture also clamps pcb board Edges of boards, the edges of boards to thicken will prop up clip, and undamaged edges of boards clamping is less than causing pcb board that can not clamp, board falling rate meeting Increase；Therefore it needs to be correspondingly improved clip, reduces board falling rate.

Utility model content

In order to overcome the shortcomings of the prior art, the utility model provides the folder in a kind of automatic tin-spraying machine of pcb board Son is equipped with clamping position and clearance position in clamping opening, can avoid edges of boards edge clamping pcb board, reduce board falling rate.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of clip in the automatic tin-spraying machine of pcb board, gripper body lower end are equipped with clamping opening；The lower end of the clamping opening is set There is the clamping position for clamping pcb board, the clamping opening is equipped with clearance position in the interior upside of clamping position, and the clearance position is for pressing from both sides Fetch bit is corresponding when clamping pcb board to place pcb board edge.

Clip in the automatic tin-spraying machine of one of above-mentioned technical proposal pcb board is equipped with clamping position and clearance position in clamping opening, Edges of boards edge is avoided in clamping position, is clipped at the inside of edges of boards edge, edges of boards edge allows at clearance position, accordingly even when some edges of boards edge It is impaired to thicken, clip mouth will not be propped up, edges of boards edge thickness change can not form the clamping of clip and interfere, and clip can be very Reliable clamps pcb board, to reduce board falling rate.

Preferably, the gripper body includes strap side and ambulatory splint side；The strap side and activity Clamping plate side is hinged；The strap side is equipped at least one strap, and the ambulatory splint side is equipped at least one activity Clamping plate；Strap and ambulatory splint misaligned interval arranged side by side are arranged, and strap is corresponding to be located between two ambulatory splints, activity Clamping plate is corresponding to be located between two straps；The lower end of the strap is equipped with the first collet portion, the ambulatory splint Lower end is equipped with the second collet portion, and first collet portion and the second collet portion are relatively provided with notch, the first collet portion and second The clamping opening for forming gripper body is cooperatively arranged in the notch in collet portion.Because being equipped with air knife in the spray molten tin bath below tin-spraying machine, During pcb board is put into spray molten tin bath and upward out spray molten tin bath downwards by the clip in tin-spraying machine, air knife can be located at clip Two sides blow to pcb board；If gripper body is blocked up, interference can be formed with air knife and supported；Change to tin-spraying machine When dynamic, for simplification as far as possible, so clip is arranged to strap for we and ambulatory splint misaligned interval arranged side by side is arranged, Gripper body integrally hinged thickness can be reduced in this way, do not need the needs of being modified to air knife position to meet；Certainly In other embodiments, air knife setting can also be modified, but it changes higher cost.

Preferably, the end of first collet portion and the second collet portion notch side is that straight section is arranged to form clamping position； Close to the inner sidewall of clamping position, ecto-entad inclination, which is expanded, to be arranged and shape for first collet portion and the second collet portion notch side At cavity structure be clearance position.Form a kind of embodiment of clamping position and clearance position.

Preferably, the end of first collet portion and the second collet portion notch side is equipped with raised step, the first folder The raised step on head is corresponding with the raised step in the second collet portion to be arranged the clamping position for forming collet；First collet portion It is mutually supported with the raised step in the second collet portion, the cavity structure formed in clamping opening is clearance position.It forms clamping position and keeps away The another embodiment in vacancy.

Preferably, first collet portion is equipped with the lateral extensions that extend to the second collet portion, make the second collet portion and The orthographic projection of lateral extensions relatively partially overlaps；

Or second collet portion is equipped with the lateral extensions extended to the first collet portion, makes the first collet portion and transverse direction The orthographic projection of extension relatively partially overlaps.The setting of lateral extensions, so that clamping is more stable.

Preferably, the gripper body is removable by the pommel that is fixed in tin-spraying machine and the clip mouth end for replacement Dress is composed；The pommel includes strap upper lateral part part and ambulatory splint upper lateral part point；Clip mouth end packet Strap side lower part point and ambulatory splint side lower part point are included.When pressing from both sides the plate of different-thickness, collet angle can be changed, When angle is excessive, will lead to pcb board folder some parts and tin-spraying machine air knife interfere, however in tin-spraying machine two air knives position It is fixed；Therefore under conventional sense, for the plate of different-thickness, it is most likely that gripper body is needed replacing, if main body carries out Replacement, then it is cumbersome with changing；And in such a way that clip mouth end is interchangeable, cost more made in one piece than gripper body can be more during fabrication It is low, and can be very good to solve the problems, such as to adapt to different-thickness plate.

Preferably, the lower end of described strap upper lateral part part and the ambulatory splint upper lateral part point, is equipped with the first spelling Consecutive rank；The upper end of the strap side lower part point and ambulatory splint side lower part point, is equipped with the second splicing step；Fixing clamp First splicing step of the lower end of plate upper lateral part point is adapted spelling with the second splicing step of the upper end of strap side lower part point It connects；Splice the second splicing step phase of the upper end of step and ambulatory splint side lower part point in the lower end first of ambulatory splint upper lateral part point Adaptation splicing；First splicing step is equipped with the through-hole fixed for removable bolt with corresponding on the second splicing step.Knot Structure is simple, convenient for disassembly and assembly, easy to use.

Preferably, the through-hole is counterbore, can by countersunk head screw after the first splicing step and the second splicing step splicing The fixation of dismounting.Countersunk head screw can be hidden within surface, not increase thickness, to be not easy to generate interference with air knife.

Preferably, the hinged articulated shaft in the strap side and ambulatory splint side is arranged at clip mouth end.Clip mouth end By being connected to form a whole for articulated shaft, replace more convenient.

It preferably, further include fixed beam, angle cleat and telescopic cylinder；The upper end of the strap side is fixed on fixation The upper end of Liang Shang, the ambulatory splint side are fixed with one end of angle cleat；The tail end of the telescopic cylinder is rotatably hinged On the downside of fixed beam, the telescopic cylinder has telescopic rod, and the head of telescopic rod is rotatably hinged on angle cleat The other end；The stretching motion of telescopic rod drives ambulatory splint side with the hinge joint rotation of gripper body to drive gripper body The clamping opening of lower end carries out opening and closing movement and clamps pcb board.It, can be to ambulatory splint when control system control telescopic cylinder movement Side is pushed and pulled, but also movement is not blocked, ambulatory splint side and strap side smoothly form folding for hinged setting Movement acts convenient for the taking laying board of cooperative mechanical hand, realizes automatic clamping plate function.The mechanism structure is simple, and movement is simple and efficient, The mechanism needs to be modified existing tin-spraying machine, and fixed beam, cylinder and gripper body is arranged in specific position, changes to scene It is small, equipment original function is not influenced after change.

The beneficial effects of the utility model are: the utility model discloses the clip in a kind of automatic tin-spraying machine of pcb board, In Clamping opening is equipped with clamping position and clearance position, and clamping position is avoided edges of boards edge, is clipped at the inside of edges of boards edge, edges of boards edge allows to empty avoiding At position, thickens accordingly even when some edges of boards edge are impaired, clip mouth will not be propped up, edges of boards edge thickness change can not be to clip Clamping forms interference, and clip very reliable can clamp pcb board, to reduce board falling rate.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the mounting structure of the clip in a kind of automatic tin-spraying machine of pcb board described in an embodiment of the present invention Schematic diagram；

Fig. 2 is the opening state of the clip in a kind of automatic tin-spraying machine of pcb board described in an embodiment of the present invention Under mounting structure schematic diagram；

Fig. 3 is the positive structure diagram of gripper body described in an embodiment of the present invention；

Fig. 4 is the enlarged structure schematic diagram of region A in Fig. 3；

Fig. 5 is the structural schematic diagram of clip mouth end described in an embodiment of the present invention；

Fig. 6 is the enlarged structure schematic diagram of B clamping opening in region in Fig. 5；

Fig. 7 is the structural schematic diagram of clamping opening described in another embodiment of the utility model.

Specific embodiment

The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.

Next the clip come with the more a embodiments of attached drawing 1-7 in the automatic tin-spraying machine of a kind of pcb board to the application carries out Illustrate:

Clip in a kind of automatic tin-spraying machine of pcb board in conjunction with shown in Fig. 1 and 6,2 lower end of gripper body are equipped with clamping opening 7；Institute The lower end of clamping opening 7 is stated equipped with the clamping position 71 for clamping pcb board, the clamping opening 7 is equipped in the interior upside of clamping position 71 Clearance position 72, the clearance position 72 are used for the corresponding placement pcb board edge when clamping position 71 and clamping pcb board.

Clip in the automatic tin-spraying machine of one of above-mentioned technical proposal pcb board is equipped with clamping position 71 and empty avoiding in clamping opening 7 Position 72, clamping position 71 are avoided edges of boards edge, are clipped at the inside of edges of boards edge, avoid edges of boards edge, edges of boards edge is allowed to clearance position At 72, thickens accordingly even when some edges of boards edge are impaired, clip mouth will not be propped up, edges of boards edge thickness change can not be to clip Clamping forms interference, and clip very reliable can clamp pcb board, to reduce board falling rate.

As shown in Figure 1, the gripper body 2 includes strap side 21 and ambulatory splint side 22 in the present embodiment；Institute It is hinged to state strap side 21 and ambulatory splint side 22；As shown in figure 3, the strap side 21 is equipped at least one fixing clamp Plate 211, the ambulatory splint side 22 are equipped at least one ambulatory splint 221；Strap 211 and ambulatory splint 221 are wrong side by side Bit interval setting, strap 211 is corresponding to be located between two ambulatory splints 221, and ambulatory splint 221 is corresponding to be located at two fixations Between clamping plate 211；As shown in Figure 4 and Figure 5, the lower end of the strap 211 is equipped with the first collet portion 5, the ambulatory splint 221 lower end is equipped with the second collet portion 6, and first collet portion 5 and the second collet portion 6 are relatively provided with notch, the first collet The clamping opening 7 for forming gripper body is cooperatively arranged in the notch in portion 5 and the second collet portion 6.Because of the spray molten tin bath below tin-spraying machine It is interior to be equipped with air knife, during pcb board is put into spray molten tin bath and upward out spray molten tin bath downwards by the clip in tin-spraying machine, air knife It blows to pcb board the two sides that clip can be located at；If gripper body is blocked up, interference can be formed with air knife and supported；To spray When tin machine is modified, for simplification as far as possible, so clip is arranged to strap 211 and ambulatory splint 221 by us Misaligned interval setting arranged side by side can reduce gripper body integrally hinged thickness in this way, thus meet do not need to air knife position into The demand of row change；Certainly in other embodiments, air knife setting can also be modified, but it changes higher cost.

As shown in Figure 5 and Figure 6, in the present embodiment, the end of 6 notch side of first collet portion 5 and the second collet portion It is arranged to form clamping position 71 for straight section；First collet portion 5 and 6 notch side of the second collet portion are close to the inside for clamping position 71 Wall, the cavity structure that ecto-entad inclination expansion is arranged and is formed is clearance position 72.

In other embodiments, position 71 and clearance position 72 can also be clamped by other structure settings, as shown in fig. 7, The end of 6 notch side of first collet portion 5 and the second collet portion is equipped with raised step, the raised platform in the first collet portion 5 Rank is corresponding with the raised step in the second collet portion 6 to be arranged the clamping position 71 for forming collet；First collet portion 5 and the second folder The raised step on head 6 is mutually supported, and the cavity structure formed in clamping opening 7 is clearance position 72.

In the present embodiment, as shown in figure 4, second collet portion 6 is equipped with the lateral extensions extended to the first collet portion 5 61, so that the first collet portion 5 and the orthographic projection of lateral extensions 61 is relatively partially overlapped.The setting of lateral extensions 61, so that It clamps more stable.In other embodiments, can also be that first collet portion 5 is equipped with to the second collet portion 6 to extend Lateral extensions, so that the second collet portion 6 and the orthographic projection of lateral extensions is relatively partially overlapped.

Referring to Fig. 3, in the present embodiment, the gripper body 2 is by the pommel 8 that is fixed in tin-spraying machine and for replacing Clip mouth end 9 removable be composed；The pommel 8 includes on 21 upper part of strap side and ambulatory splint side 22 Part；Clip mouth end 9 includes the lower part in part and ambulatory splint side 22 under strap side 21.In folder different-thickness When plate, collet angle can be changed, and when angle is excessive, the air knife of some parts and tin-spraying machine that will lead to pcb board folder is interfered, However the position of two air knives is fixed in tin-spraying machine；Therefore under conventional sense, for the plate of different-thickness, it is most likely that need Gripper body 2 is replaced, it is very cumbersome if main body is replaced；And in such a way that clip mouth end 9 is interchangeable, during fabrication Can be lower than the cost made in one piece of gripper body 2, and can be very good to solve the problems, such as to adapt to different-thickness plate.

In the present embodiment, the lower end of part, is all provided on 21 upper part of strap side and the ambulatory splint side 22 There is the first splicing step；The upper end of the lower part in the lower part in the strap side 21 and ambulatory splint side 22, is equipped with the second spelling Consecutive rank 91；The of the upper end of the lower part of the first splicing step and strap side 21 of the lower end of part on strap side 21 Two splicing steps 91 are adapted splicing；Step and 22 lower part of ambulatory splint side are spliced in the lower end first of part on ambulatory splint side 22 Second splicing step 91 of the upper end divided is adapted splicing；First splicing step is equipped with corresponding on the second splicing step 91 The through-hole fixed for removable bolt.It is simple in construction, easy to disassemble and assemble, it is easy to use.

In the present embodiment, the through-hole is counterbore, and the first splicing step and the second splicing step 91 pass through countersunk head after splicing The removable fixation of screw.Countersunk head screw can be hidden within surface, not increase thickness, to be not easy to generate interference with air knife.

In the present embodiment, the hinged articulated shaft in the strap side and ambulatory splint side is arranged at clip mouth end.Clip Mouth end being connected to form a whole by articulated shaft, is replaced more convenient.

It as depicted in figs. 1 and 2 further include fixed beam 1, angle cleat 4 and telescopic cylinder 3 in the present embodiment；The fixation The upper end of clamping plate side 21 is fixed in fixed beam 1, and the upper end of the ambulatory splint side 22 is fixed with one end of angle cleat 4；Institute The tail end for stating telescopic cylinder 3 is rotatably hinged on the downside of fixed beam 1, and the telescopic cylinder 3 has telescopic rod 31, is stretched The head of contracting bar is rotatably hinged on the other end of angle cleat 4；The stretching motion of telescopic rod 31 drives ambulatory splint side 22 With the hinge joint rotation of gripper body 2 to drive the clamping opening 7 of 2 lower end of gripper body to carry out opening and closing movement clamping pcb board.Work as control When system control telescopic cylinder movement processed, ambulatory splint side 22 can be pushed and pulled, hinged setting is but also move not It can be obstructed, ambulatory splint side 22 and strap side 21 smoothly form the movement opened and closed, dynamic convenient for the taking laying board of cooperative mechanical hand Make, realizes automatic clamping plate function.The mechanism structure is simple, and movement is simple and efficient, which needs to change existing tin-spraying machine It is dynamic, in specific position, fixed beam, cylinder and gripper body are set, it is small to scene change, equipment original function is not influenced after change.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims (10)

1. the clip in a kind of automatic tin-spraying machine of pcb board, it is characterised in that: gripper body lower end is equipped with clamping opening；The clamping opening Lower end is equipped with the clamping position for clamping pcb board, and the clamping opening is equipped with clearance position, the empty avoiding in the interior upside of clamping position Pcb board edge is placed for corresponding when clamping position clamping pcb board in position.

2. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 1, it is characterised in that: the gripper body It include strap side and ambulatory splint side；The strap side and ambulatory splint side are hinged；The strap side is set There is at least one strap, the ambulatory splint side is equipped at least one ambulatory splint；Strap is arranged side by side with ambulatory splint Misaligned interval setting, strap is corresponding to be located between two ambulatory splints, ambulatory splint is corresponding be located at two straps it Between；The lower end of the strap is equipped with the first collet portion, and the lower end of the ambulatory splint is equipped with the second collet portion, and described first Collet portion and the second collet portion are relatively provided with notch, and the notch in the first collet portion and the second collet portion cooperatively is arranged to be formed The clamping opening of gripper body.

3. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 2, it is characterised in that: first collet The end of portion and the second collet portion notch side is that straight section is arranged to form clamping position；First collet portion and the second collet portion lack Close to the inner sidewall of clamping position, the cavity structure that ecto-entad inclination expansion is arranged and is formed is clearance position for mouth side.

4. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 2, it is characterised in that: first collet The end of portion and the second collet portion notch side is equipped with raised step, the raised step in the first collet portion and the second collet portion Raised step is corresponding to be arranged the clamping position for forming collet；The raised step in first collet portion and the second collet portion is mutually supported Top, the cavity structure formed in clamping opening are clearance position.

5. requiring the clip in a kind of described in any item automatic tin-spraying machines of pcb board of 2-4 according to claims, feature exists It is equipped with the lateral extensions extended to the second collet portion in: first collet portion, makes the second collet portion and lateral extensions Orthographic projection relatively partially overlaps；

Or second collet portion is equipped with the lateral extensions extended to the first collet portion, makes the first collet portion and is laterally extended The orthographic projection in portion relatively partially overlaps.

6. according to the clip in a kind of described in any item automatic tin-spraying machines of pcb board of claim 2-4, it is characterised in that: described Gripper body is by the pommel that is fixed in tin-spraying machine and the clip mouth end for replacement is removable is composed；The handle End includes strap upper lateral part part and ambulatory splint upper lateral part point；Clip mouth end includes strap side lower part point With ambulatory splint side lower part point.

7. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 6, it is characterised in that: the strap The lower end of upper lateral part part and the ambulatory splint upper lateral part point, is equipped with the first splicing step；The strap side lower part point With the upper end of ambulatory splint side lower part point, it is equipped with the second splicing step；First splicing of the lower end of strap upper lateral part point Step is adapted splicing with the second splicing step of the upper end of strap side lower part point；The lower end of ambulatory splint upper lateral part point the Second splicing step of the upper end of one splicing step and ambulatory splint side lower part point is adapted splicing；First splicing step and second Splice the corresponding through-hole being equipped with for removable bolt fixation on step.

8. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 7, it is characterised in that: the through-hole is heavy Pass through the removable fixation of countersunk head screw after hole, the first splicing step and the second splicing step splicing.

9. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 7, it is characterised in that: the strap The hinged articulated shaft in side and ambulatory splint side is arranged at clip mouth end.

10. the clip in the automatic tin-spraying machine of a kind of pcb board according to claim 6, it is characterised in that: further include fixing Beam, angle cleat and telescopic cylinder；The upper end of the strap side is fixed in fixed beam, the upper end of the ambulatory splint side It is fixed with one end of angle cleat；The tail end of the telescopic cylinder is rotatably hinged on the downside of fixed beam, described to stretch Contracting cylinder has telescopic rod, and the head of telescopic rod is rotatably hinged on the other end of angle cleat；The stretching motion of telescopic rod Drive ambulatory splint side with the hinge joint rotation of gripper body to drive the clamping opening of gripper body lower end to carry out opening and closing movement folder Take pcb board.