SMD components pin correcting device
Technical field
The present invention relates to a kind of SMD components pin correcting device.
Background technology
Current most of SMD components are in purchasing process, because extraneous factor and device pin itself stress are made
Pin into welding is uneven, surface-mounted device small volume itself, can not visually look into not, at this time just needs specific frock
Ensure the smooth of pin, so as to improve the reliability of whole circuit board.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of paster member that can correct SMD components pin flatness
Device pin correcting device.
SMD components pin correcting device of the present invention, it is characterised in that:Including for placing SMD components
Lower mould, the upper mould for correcting SMD components pin flatness and the pneumatic means for adjusting upper and lower mould spacing, institute
State lower mould, the pneumatic means is fixedly mounted with the stationary platform, the drive end installation upper mould of the pneumatic means, for adjusting
Upper mould and lower intermode away from;
The lower mould includes being used to control the pylon of upper and lower mould spacing, the cavity for placing SMD components and be used for
The guidance set that upper mould is oriented to, the pylon are packed in horizontal fixed platform, and axially mounted along pylon on the pylon
Multiple guidance sets, the cavity are packed on the pylon;The cavity include being used for accommodating the die cavities of SMD components with
And be made up of for the draw point for guiding, the die cavity two pieces of fixed blocks being arranged symmetrically, two pieces of fixed blocks are parallel to be inlaid in
In the machined surface groove of lower mould, the surface of two fixed blocks is respectively along its axially arranged row draw point, two row's draw points parallel arrangement, and list
Minimum clearance between row's every two adjacent draw point of draw point is more than SMD components single pin width, the adjacent draw point gap at this
Refer to that the centre-to-centre spacing of adjacent draw point subtracts single draw point diameter, spacing is more than or equal between lower mould machined surface and upper mould machined surface
The height of SMD components pin;
The upper mould is arranged on the piston of the pneumatic means, and the machined surface of upper mould is parallel all the time with the machined surface of lower mould,
And ensure that orthographic projection of the lower mode cavity body on lower mould machined surface falls in upper mould in the range of the orthographic projection on lower mould machined surface all the time;
The upper mould is provided with the guide through hole that can be corresponded with guidance set and run through for its top;The machined surface of the upper mould is corresponding
Position set two rows to supply the circular hole that passes through of draw point, lower mould draw point just can be inserted into upper mould circular hole;
The pneumatic means include be used for upward mould provide driving force cylinder, for the air cylinder fixed plate of cylinder is installed with
And for controlling the air valve switch of cylinder operation, the air cylinder fixed plate is installed on support column on the stationary platform, the gas
Cylinder is packed in the lower surface of the air cylinder fixed plate, and the air inlet of the cylinder and extraneous source of the gas pipeline connection, the gas
The piston of cylinder is fixedly mounted with upper mould as drive end, and the central axis direction of the piston of the cylinder along upper mould or lower mould makees linear reciprocation fortune
It is dynamic;The air valve switch is connected by control piper with the control chamber of the cylinder, for controlling cylinder operation;In definition mould or
The central axis direction of lower mould is the direction vertical with corresponding upper mould or lower mould machined surface.
The madial wall of the fixed block is axially arranged with the L-shaped step for shelving SMD components, and two fixed blocks along it
The step surface of L-shaped step be on the same plane parallel with lower mould machined surface.
The guidance set includes lead and stage clip, and the bottom of the lead is packed on the pylon of the lower mould,
The top of the lead is penetrated corresponding to the upper mould in guide through hole;The stage clip coaxial sleeve is in the outer of the lead
One end of wall, wherein stage clip is connected with the machined surface of pylon, and the other end of stage clip is connected with the machined surface of upper mould.
The pylon is cuboid, and respectively sets a set of guidance set on four angles of the machined surface of pylon.
Upper mould is cuboid, and a guide through hole corresponding with guidance set is respectively set on four angles of upper mould.
The bottom of the support column and the fixed platform are affixed, and the top of the support column is external screw thread, and described
The external thread section of support column passes through two fastenings equipped with two fastening bolts for being used for clamping cylinder fixed plate, the air cylinder fixed plate
Bolt and the support column are affixed.
Fixed platform, upper mould and lower mould are horizontally disposed.
The device is connected upper and lower mould so that whole device normal operation by pneumatic means with some connectors.
In use, component is put into the cavity of lower mould with tweezers, device pin passes right through the gap between upper die and lower die, by
Gap is more than or equal to device pin height between upper die and lower die, is caused so as to ensure that device pin will not be extruded by external force
Skew.Then the piston up-down of cylinder is controlled by air valve switch so that upper mould is engaged along guide rail column with lower mould.
Circular hole is used to avoid to be used for the draw point positioned in lower mould, and the minimum range between two adjacent circular holes is just greater than device
Pin widths, gap during running between the pylon of upper die and lower die cooperate, i.e., upper mould moves downward, this mould draw point at present
Just insert corresponding to upper mould in circular hole, and moving down with upper mould, the spacing contracting between upper mould machined surface and lower mould machined surface
It is small, until the machined surface of upper mould contacts with SMD components, because upper mould is horizontally oriented all the time, member is flattened so as to reach
The purpose of device pin so that device pin is in same horizontal plane.
The beneficial effects of the invention are as follows:The pins of SMD components is flattened, avoid due to pin be uneven and it is left
It is right it is uneven caused by device rosin joint and it is short-circuit the problem of.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is the schematic diagram of the upper mould machined surface of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings:
The SMD components pin correcting device of the present invention of embodiment 1, including for placing under SMD components
Mould 1, the upper mould 2 for correcting SMD components pin flatness and the pneumatic means 3 for adjusting upper and lower mould spacing, it is described
Lower mould 1, the pneumatic means 3 are packed in fixed platform 4, and the drive end of the pneumatic means 3 installs the upper mould 2, is used for
Mould 2 and the lower spacing of mould 1 in adjustment;
The lower mould 1 include be used for control upper and lower mould spacing pylon 11, for place the cavity 12 of SMD components with
And the guidance set 13 being oriented to for upper mould, the pylon 11 is packed in horizontal fixed platform 4, and edge on the pylon 11
The axially mounted multiple guidance sets 13 of pylon, the cavity 12 are packed on the pylon 11;The cavity 12 includes being used to hold
Receive SMD components die cavity 121 and for the draw point 122 for guiding, the die cavity 121 by two pieces be arranged symmetrically consolidate
Determine block composition, two pieces of fixed blocks are parallel to be inlaid in the machined surface groove of lower mould 1, and the surface of two fixed blocks is respectively axially arranged along its
One row's draw point 122, two row's draw points 122 are arranged in parallel, and the minimum spacing between adjacent two draw point 122 is drawn more than SMD components
Pin width, spacing is more than or equal to the height of SMD components pin between the lower machined surface of mould 1 and upper mould 2 machined surface;
The upper mould 2 is arranged on the piston of the pneumatic means 3, and the machined surface of the machined surface of upper mould 2 and lower mould 1 is put down all the time
OK, and ensure that lower orthographic projection of the cavity 12 of mould 1 on lower mould machined surface falls in upper mould in the orthographic projection on lower mould machined surface all the time
In the range of;The upper mould 2 is provided with the guide through hole that can be corresponded with guidance set 13 and run through for its top;The upper mould 2
Machined surface corresponding to position set two rows to supply the circular hole 21 that passes through of draw point 122;
The pneumatic means 3 includes being used for the cylinder 31 of upward mould offer driving force, fixed for installing the cylinder of cylinder
Plate 32 and the air valve switch 33 for controlling cylinder operation, the air cylinder fixed plate 32 are arranged on the support in fixed platform 4
On post 41, and fixed by clamp nut 42;The cylinder 31 is packed in the air cylinder fixed plate 32 by four screws 311
Lower surface, and the air inlet 312 of the cylinder 31 and extraneous source of the gas pipeline connection, the piston of the cylinder 31 is as drive end
Upper mould 2 is fixedly mounted with by connecting bolt 313, the central axis direction of the piston of the cylinder 31 along upper mould 2 or lower mould 1 makees linear reciprocation
Motion;The air valve switch 33 is connected by control piper with the control chamber of the cylinder 31, for controlling cylinder operation;Definition
The central axis direction of upper mould or lower mould is the direction vertical with corresponding upper mould or lower mould machined surface.
The madial wall of the fixed block is axially arranged with the L-shaped step for shelving SMD components, and two fixed blocks along it
The step surface of L-shaped step be on the same plane parallel with lower mould machined surface.
The guidance set 13 includes lead 131 and stage clip 132, the bottom of the lead 131 be packed in it is described under
On the pylon 11 of mould 1, the top of the lead is penetrated corresponding to the upper mould 2 in guide through hole;The coaxial sleeve of stage clip 132
In the outer wall of the lead 131, wherein one end of stage clip 132 is connected with the machined surface of pylon, the other end of stage clip 132 with it is upper
The machined surface of mould 2 is connected.
The pylon 11 is cuboid, and a set of guidance set 13 is respectively set on four angles of the machined surface of pylon 11.
Upper mould 2 is cuboid, and a guide through hole corresponding with guidance set is respectively set on four angles of upper mould 2.
Two support columns 41 of right angle setting in the fixed platform 4, the bottom of the support column 41 and the fixed platform 4
Affixed, the top of the support column 41 is external screw thread, and the external thread section of the support column 41 is used to clamp gas equipped with two
The fastening bolt 42 of cylinder fixed plate 32, the air cylinder fixed plate 32 are affixed by two fastening bolts 42 and the support column 41.
Fixed platform 4, upper mould are horizontally disposed with 2 and lower mould 1.
The device is connected upper and lower mould with some connectors by pneumatic means 3 so that whole device normal operation rises
Come.In use, component is put into the cavity of lower mould with tweezers, between device pin is passed right through between upper die and lower die
Gap, because gap is more than or equal to device pin height between upper die and lower die, so as to ensure that device pin will not be squeezed by external force
Pressure causes to offset.Then the piston up-down of cylinder is controlled by air valve switch so that upper mould is along guide rail column with lower mould phase
Coordinate.
Circular hole is used to avoid to be used for the draw point positioned in lower mould, and the minimum range between two adjacent circular holes is just greater than device
Pin widths, gap during running between the pylon of upper die and lower die cooperate, i.e., upper mould moves downward, this mould draw point at present
Just insert corresponding to upper mould in circular hole, and moving down with upper mould, the spacing contracting between upper mould machined surface and lower mould machined surface
It is small, until the machined surface of upper mould contacts with SMD components, because upper mould is horizontally oriented all the time, member is flattened so as to reach
The purpose of device pin so that device pin is in same horizontal plane.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.