Synchronous mode circuit board stitch cutting cutter
Technical field
The utility model relates to a kind of circuit board stitch cutting device, particularly relate to two cutting edges of a kind of cutting cutter and can guarantee complete parallel motion, do not need to adjust cutting edge gap up and down, reliability is big, can be used in the synchronous mode circuit board stitch cutting cutter in the full-automatic wicking soldering equipment.
Background technology
In the modern industry, along with the extensive use of integrated circuit, stitch is pegged graft becomes important technology in electronics, the mechanical industry.A lot of micro-circuit boards, generally all there is the stitch that connects lead-out wire its side, this stitch need be by behind craft or the autopatching, weldering welds together stitch and wiring board through wicking, after welding is finished, also need the stitch severing is become required length, be beneficial to next step operation, connect lead-in wire.For example, in the manufacture process of pressure sensor wiring board,, need specific length is arrived in unnecessary stitch severing, generally require the severing quality higher, can not cause any torsional deformation stitch through the tin sticky postwelding.This just requires two cutting edges of cutting cutter must guarantee complete parallel motion.At present, the stitch severing adopts manual or simple and easy pneumatic cutting cutter to carry out usually, but production efficiency is low, and quality is also wayward, and reliability is relatively poor, and the cutting edge gap needs often to adjust up and down, and is difficult to be used in full-automatic wicking soldering equipment.
Summary of the invention
Technical problem to be solved in the utility model is, provide two cutting edges of a kind of cutting cutter can guarantee complete parallel motion, do not need to adjust cutting edge gap up and down, reliability is big, can be used in the synchronous mode circuit board stitch cutting cutter in the full-automatic wicking soldering equipment.
The technical scheme that the utility model adopted is: a kind of synchronous mode circuit board stitch cutting cutter, include the driving cylinder, and also be provided with and drive that cylinder links to each other and by the partial gear lazy-tongs that drive air cylinder driven; Be disposed with substrate and cutting edge substrate in partial gear lazy-tongs upper ends, substrate and cutting edge substrate interconnect and spacing adjustable; Last cutting edge and following cutting edge are arranged on the cutting edge substrate accordingly by line slideway, and wherein, the one side that last cutting edge is positioned at the cutting edge substrate is formed with guide groove, and cutting edge is "] down " the shape structure, its "] " in two noses insertions of shape structure in the guide groove of cutting edges; Rotating shaft on the partial gear lazy-tongs both sides runs through substrate and also is connected with the both sides of last cutting edge with following cutting edge by the rotation force-increasing mechanism respectively with the cutting edge substrate.
Described cutting edge substrate is to connect by guide pillar with substrate, and guide pillar is provided with return spring, is provided with the Height Adjustment plate between cutting edge substrate and substrate, and the both sides of cutting edge substrate are connected with the Height Adjustment handle that is used to regulate its height.
Described cutting edge substrate and substrate corresponding on the cutting edge intersection of cutting edge and following cutting edge be formed with opening, being set with material on substrate supports, the end that material supports is corresponding to the opening part of cutting edge substrate and substrate, and the other end that material supports is connected and drives its material support drive cylinder that moves forward and backward along substrate.
Described material supports 3 and adopts zigzag structure.
The top of the rotating shaft on the described partial gear lazy-tongs both sides is to be connected with the both sides of last cutting edge with following cutting edge by the bearing pin on the rotation force-increasing mechanism.
Synchronous mode circuit board stitch cutting cutter of the present utility model, owing to adopt said structure, make two cutting edges of cutting cutter can guarantee complete parallel motion, stitch severing depth-adjustment, two cutting edge forced synchronism motion up and down, and realized that the cutting edge gap exempts to adjust all the life, so do not need to adjust cutting edge gap up and down, operational reliability is big, and can be used in the full-automatic wicking soldering equipment.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Wherein:
1: go up cutting edge 2: following cutting edge
3: material supporting construction 4 material supporting constructions drive cylinder:
5: rotation force-increasing mechanism 6: line slideway
7: cutting edge substrate 8: substrate
9: Height Adjustment handle 10: the Height Adjustment plate
11: return spring 12: the partial gear lazy-tongs
13: drive cylinder 14: guide pillar
15: rotating shaft 16: guide groove
The specific embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify synchronous mode circuit board stitch cutting cutter of the present utility model.
As shown in Figure 1, synchronous mode circuit board stitch cutting cutter of the present utility model includes and drives cylinder 13, also is provided with and drives that cylinder 13 links to each other and by the partial gear lazy-tongs 12 that drive cylinder 13 drivings; Be disposed with substrate 8 and cutting edge substrate 7 in partial gear lazy-tongs 12 upper ends, substrate 8 and cutting edge substrate 7 interconnect and spacing adjustable.Described cutting edge substrate 7 is to interconnect by guide pillar 14 with substrate 8, guide pillar 14 is provided with return spring 11, be provided with Height Adjustment plate 10 between cutting edge substrate 7 and substrate 8, the both sides of cutting edge substrate 7 are connected with the Height Adjustment handle 9 that is used to regulate its height.Can realize the adjustment of cutting edge height by the height that improves cutting edge substrate 7, finish the different cut-out degree of depth.Be to adjust handle 9 and lift cutting edge substrate 7 when adjusting the degree of depth by rotating, has changed Height Adjustment plate 10 after, release adjustment handle 9, but cutting edge substrate 7 self-return under the effect of return spring 11.
Last cutting edge 1 and following cutting edge 2 are arranged on the cutting edge substrate 7 accordingly by line slideway 6, wherein, the one side that last cutting edge 1 is positioned at cutting edge substrate 7 is formed with guide groove 16, and down cutting edge 2 be "] " the shape structure, its "] " two noses of shape structure insert in the guide groove 16 of last cutting edges 1.Described cutting edge substrate 7 and substrate 8 corresponding on the cutting edge intersection of cutting edge 1 and following cutting edge 2 be formed with opening, on substrate 8, be set with material and support 3, one end of material support 3 is corresponding to the opening part of cutting edge substrate 7 and substrate 8, and the other end of material support 3 is connected and drives its material support drive cylinder 4 that moves forward and backward along substrate 8.Material support 3 drives the work of moving forward and backward of finishing by material support drive cylinder 4, and material support 3 is protracted to be used for supporting and treated the severing material before the severing, and after severing was finished, material support 3 retreated, and the waste part of being dismissed then falls automatically.
Rotating shaft 15 on partial gear lazy-tongs 12 both sides runs through substrate 8 and cutting edge substrate 7, and its top is connected with the both sides of last cutting edge 1 and following cutting edge 2 by the bearing pin on the rotation force-increasing mechanism 5 respectively.The power that drives cylinder 13 by being passed to cutting edge up and down behind the rotation force-increasing mechanism reinforcement, is finished the opening and closing movement of cutting edge by the partial gear lazy-tongs.
The action of cutting edge up and down of the present utility model is by last cutting edge guide groove, line slideway, the acting in conjunction of partial gear lazy-tongs forces up and down jointly, and cutting edge is synchronized with the movement, be implemented in the cutting-off process, cutting edge contacts simultaneously at whole length direction, can avoid fully in the severing process because the lateral compression distortion that the contact earlier of cutting edge one side causes workpiece.
The course of work of synchronous mode circuit board stitch cutting cutter of the present utility model is: at first adjust by Height Adjustment plate 10 and cut off height, move machine then, the wiring board that automatic manipulator will be stained with tin is positioned in the material support 3, drive cylinder 13 and stretch out the gear rotation that drives partial gear lazy-tongs 12, cutting edge 1 and following cutting edge 2 closures are finished severing in 5 drives of rotation force-increasing mechanism, drive cylinder 13 withdrawals, take out after the severing by the workpiece of severing, material supports 3 and retreats, fall waste material, material supports 3 returns.Enter next circulation then, drop to gripper shoe influence height for fear of the scolding tin slag, material supports 3 and has adopted zigzag structure in the present embodiment.
In the present embodiment, having adopted cylinder diameter is 63mm, and the cylinder of stroke 180mm is as driving cylinder, and the force increasing ratio of rotation force-increasing mechanism is 10:1, the Height Adjustment plate has adopted two kinds of 7mm and 9mm in order to realize different product severing length requirements respectively, and cutting edge length is about 150mm.