CN102528459A - Pin cut-off bending device - Google Patents
Pin cut-off bending device Download PDFInfo
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- CN102528459A CN102528459A CN2012100318941A CN201210031894A CN102528459A CN 102528459 A CN102528459 A CN 102528459A CN 2012100318941 A CN2012100318941 A CN 2012100318941A CN 201210031894 A CN201210031894 A CN 201210031894A CN 102528459 A CN102528459 A CN 102528459A
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Abstract
The invention provides a pin cut-off bending device, which comprises a driving mechanism, an upper tool apron, a lower tool apron and a bending mechanism. The driving mechanism comprises a support frame with a vertical guide rail, and a slider moving along the vertical guide rail; the upper tool apron is fixedly connected to the slider and provided with an upper tool bit; the lower tool apron is fixedly connected to the support frame and provided with a lower tool bit opposite to the upper tool bit; and the bending mechanism comprises a vertical bottom plate and a guide plate, wherein the vertical bottom plate is connected to the upper tool apron through a vertical bottom plate spring, and the guide plate is parallel to the vertical bottom plate and opposite to the vertical bottom plate. Two pin guide grooves are arranged at the lower end of the guide plate, the vertical bottom plate and the guide plate are fixedly connected with each other through two symmetric rotating shafts, a bending pin is rotatably arranged on each rotating shaft, a top plate is arranged between the two opposite bending pins, the upper end of the top plate is slidably matched with the upper tool apron, and the wedge-shaped lower end of the top plate is lapped on opposite surfaces of the lower ends of the two bending pins. The pin cut-off bending device is used for integrally cutting off and bending electronic element pins, so that operating efficiency and cut-off bending quality are improved.
Description
Technical field
The present invention relates to a kind of electronic component processing unit (plant), be specifically related to a kind of pin that is used for paper tape package-type electronic component and cut off the bending and molding device.
Background technology
Often need the metal pin of electronic component be cut to suitable length in the commercial production, and bending is installed and used to proper angle again.Traditional cut-out wrap direction is that manual work is cut off bending one by one with nipper plier, can not guarantee to cut off the unanimity of back pin length, and the unanimity of bending angle cut off the second-rate of bending, and efficient is very low; The patent No. is the mechanical type pin fast shut-off device that the Chinese patent " pin shearing device " of ZL200820011310.3 has been developed a kind of type hand; Improved production efficiency; Guaranteed the length uniformity after pin cuts off, it has only realized cut-out, can not realize the bending of pin; The patent No. is that the Chinese patent " the resistance pin cuts off the step feeding device of bending forming machine " of ZL95200748.7 is directed against resistive element at random; Provide a kind of resistance that makes according to the tooth pitch stepping; Gradually on the ratchet of migration make-up machine; Carry out the long step feeding device of cutting the resistance pin cut-out bending forming machine of cutting and bend operation of resistance pin down by the ratchet drive, but its pin that can not realize the electronic component (diode, electric capacity etc.) that paper tape commonly used is at present packed cuts off bending and molding.
Summary of the invention
The present invention proposes a kind of pin and cuts off the bending and molding device, is used to process paper tape package-type electronic component, realizes the institutional operation to the cut-out bending of electronic element base pin, improves operating efficiency and cuts off the bending quality.
In order to achieve the above object, the scheme of the present invention's employing is following:
A kind of pin cuts off the bending and molding device, is used to process paper tape package-type electronic component, it is characterized in that, this pin cuts off bending and molding device and comprises: driving mechanism, comprise the bracing frame that has upright guide rail, and the slide block that moves along said upright guide rail; Upper cutter head is fixed on said slide block and has cutter head; Following tool rest is fixed on support frame as described above and has the following cutter head that is oppositely arranged with said upward cutter head; Bending mechanism; Comprise the perpendicular base plate that is connected in said upper cutter head through perpendicular base plate spring; Parallel with said perpendicular base plate and be oppositely arranged guide plate, the lower end of said guide plate are provided with two pin gathering sills, are connected through symmetrically arranged two rotating shafts between said perpendicular base plate and the said guide plate; Revolve in each rotating shaft and be furnished with bending leg; Be provided with top board between two bending legs that are oppositely arranged, the upper end of said top board and said upper cutter head cunning are joined, and the wedge shape lower end overlap joint of said top board is on the apparent surface of two bending leg lower ends.
Said bending mechanism also comprises connection cover plate parallel with said perpendicular base plate and that be oppositely arranged; Said perpendicular base plate was connected through symmetrically arranged two torsion spring installation shaft with said the connection between the cover plate; Be arranged with torsion spring on each torsion spring installation shaft; One end of said torsion spring is connected on the torsion spring installation shaft, and the other end is supported on the surface away from top board one side of bending leg.
Said guide plate with said perpendicular base plate facing surfaces on offer and be used for the top board gathering sill of joining with said top board cunning.
Said rotating shaft is provided with the rotating shaft step that is used to limit said perpendicular base plate and said guide plate spacing, and said torsion spring installation shaft is provided with the torsion spring installation shaft step that is used to limit said perpendicular base plate and said connection cover distance between plates.
The lower end of said two bending legs is extended terminal part respectively, and the overall width of said two terminal parts is less than the lead pin pitch of said electronic component, and the spacing of said two pin gathering sills equals the lead pin pitch of said electronic component.
Support frame as described above is a C shape frame; Said C shape frame comprises horizontally disposed upper mounting plate, lower installation board and vertically is connected the middle installing plate between said upper mounting plate, the lower installation board that said upright guide rail is fixed on said middle installing plate and has the slide that is used to install said slide block.
Said drive unit further comprises the driving cylinder that has piston rod, and said driving cylinder is fixed on the upper surface of said upper mounting plate, and said slide block links to each other with the piston rod of said driving cylinder.
Said upper cutter head comprises the mount pad that is fixed on said slide block; Be fixed on the last cutter head of said mount pad lower end; Be connected in the alignment pin and the presser feet of said mount pad lower end respectively through locating pin spring and presser feet spring, and be used for said cutter head, alignment pin and the presser feet gone up carried out spacing limiting plate.
Said upper cutter head also comprises the Connection Block that is fixed on said mount pad upper end; The lower surface of said Connection Block offers and is used for groove of joining with said top board cunning and the installing hole that is used to install said perpendicular base plate spring, and said perpendicular backplanes support is between said Connection Block and said limiting plate.
Said tool rest down comprises the pedestal that is fixed on said lower installation board; And the following cutter head and the workpiece support plate that are fixed on said pedestal upper end respectively; Said workpiece support plate is provided with the locating hole that is oppositely arranged with said alignment pin, and the width of said cutter head down is greater than the lead pin pitch of said electronic component.
Pin of the present invention cuts off the bending and molding device; Driving bending mechanism through upper cutter head moves along upright guide rail; Through the pin gathering sill workpiece pin is positioned; Shear action in the utilization between cutter head and the following cutter head realizes the cut-out to the workpiece pin, and the top board that moves downward inserts between the bending leg of the left and right sides and makes left and right sides bending leg rotate around the shaft, realizes the bending to the pin after cutting off; Thereby reach cut-out bending institutional operation, improved operating efficiency and cut off the bending quality the workpiece pin.
Description of drawings
Fig. 1 is the stereogram that pin of the present invention cuts off the bending and molding device;
Fig. 2 is the left view that pin of the present invention cuts off the bending and molding device;
Fig. 3 is the stereogram of driving mechanism;
Fig. 4 is the front view of upper cutter head;
Fig. 5 is the left view of upper cutter head;
Fig. 6 is the cutaway view along A-A line among Fig. 5;
Fig. 7 is the front view of bending mechanism;
Fig. 8 is the left view of bending mechanism;
Fig. 9 is the rearview of bending mechanism;
Figure 10 is the vertical view of bending mechanism;
Figure 11 is the stereogram of bending mechanism;
Figure 12 is the stereogram of following tool rest and workpiece;
Figure 13 is the stereogram of upper cutter head.
The specific embodiment
Specify technical scheme of the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, pin of the present invention cuts off the bending and molding device and comprises driving mechanism 1, upper cutter head 2, bending mechanism 3, following tool rest 4.
As shown in Figure 3, driving mechanism 1 comprises driving cylinder 11, C shape frame 12, slide block 13, upright guide rail 14.Wherein, C shape frame 12 comprises horizontally disposed upper mounting plate 16, lower installation board 15 and vertically is connected the middle installing plate 17 between said upper mounting plate 16, the lower installation board 15.Drive cylinder 11 is installed in upper mounting plate 16 through bolt upper surface; Upright guide rail 14 is fixed on the middle installing plate 17 through bolt; Slide block 13 is fixed on the slide (not shown) of line slideway 14 through bolt, and is connected with the piston rod (not shown) that drives cylinder 11 through screw thread.Under the driving that drives cylinder 11, slide block 13 only can move up and down along upright guide rail 14.
Like Fig. 4-Fig. 6 and shown in Figure 13, upper cutter head 2 comprises mount pad 21, Connection Block 22, limiting plate 23, alignment pin 24, goes up cutter head 25, presser feet 26, presser feet cover plate 27, presser feet spring 28, locating pin spring 29.Wherein, mount pad 21 is fixed on through bolt on the slide block 13 of driving mechanism 1, the lower end of mount pad 21 offer three grooves be respectively applied for lay alignment pin 24, go up cutter head 25, presser feet 26.Last cutter head 25 is fixed on mount pad 21 lower ends through bolt; Alignment pin 24 links to each other with mount pad 21 with presser feet spring 28 through locating pin spring 29 respectively with presser feet 26; The lateral surface of presser feet 26 is equipped with presser feet cover plate 27; Presser feet cover plate 27 is fixed on mount pad 21 through bolt, and is formed for the groove that presser feet 26 slides up and down with mount pad 21.Limiting plate 23 is fixed on the lower end of mount pad 21 through bolt, is used for carrying out spacing to last cutter head 25, alignment pin 24, presser feet 26 and bending mechanism 3.Connection Block 22 is connected through the upper end of bolt and mount pad 21, and the lower surface of Connection Block 22 has and is used for and bending mechanism 3 sliding groove (not shown) of joining.
Like Fig. 7-shown in Figure 11, bending mechanism 3 comprises top board 31, perpendicular base plate spring 32, rotating shaft 33, perpendicular base plate 34, torsion spring installation shaft 35, connects cover plate 36, left bending leg 37, right bending leg 38, guide plate 39, torsion spring 310.Wherein, perpendicular base plate 34 links to each other with Connection Block 22 through perpendicular base plate spring 32 and is supported between Connection Block 22 and the limiting plate 23, and the lower surface of Connection Block 22 has the installing hole (not shown) that is used to install perpendicular base plate spring 32.Guide plate 39 and perpendicular base plate 34 are parallel and be oppositely arranged, and the spacing that the lower end of guide plate 39 is provided with two pin gathering sill 311, two pin gathering sills 311 equals the lead pin pitch of electronic component to be processed.Be connected through symmetrically arranged two rotating shafts 33 between perpendicular base plate 34 and the guide plate 39, revolve in each rotating shaft 33 and be furnished with bending leg, promptly left bending leg 37 and right bending leg 38.Two bending legs 37 that are oppositely arranged, be provided with top board 31 between 38, the groove cunning on the upper end of top board 31 and the Connection Block 22 is joined, and the wedge shape lower end overlap joint of top board 31 is on the apparent surface of two bending leg lower ends.The lower end of two bending legs is extended longilineal terminal part 313 respectively; The overall width of two terminal parts 313 is less than the lead pin pitch of electronic component to be processed; So that insert between the pin of electronic component; And the outer surface of two terminal parts 313 is an arc surface, to avoid it to contact with workpiece and workpiece to be caused damage during the bending pin.In addition; Guide plate 39 with perpendicular base plate 34 facing surfaces on offer and be used for and the sliding top board gathering sills 312 of joining of top board 31; Rotating shaft 33 is provided with the rotating shaft step (not shown) that is used to limit perpendicular base plate 34 and guide plate 39 spacings, to guarantee the installing space of left bending leg 37, right bending leg 38.It is parallel and be oppositely arranged to connect cover plate 36 and perpendicular base plate 34; Perpendicular base plate 34 is connected through symmetrically arranged two torsion spring installation shaft 35 with being connected between the cover plate 36; Be arranged with torsion spring 310 on each torsion spring installation shaft 35; One end of torsion spring 310 is connected on the torsion spring installation shaft 35, and the other end is supported on the surface away from top board one side of bending leg.Similarly, torsion spring installation shaft 35 is provided with and is used to limit perpendicular base plate 34 and the torsion spring installation shaft step (not shown) that is connected cover plate 36 spacings, to guarantee the installing space of guide plate 39, left bending leg 37, right bending leg 38.
Shown in figure 12, following tool rest 4 comprises pedestal 41, following cutter head 42, workpiece support plate 43.Figure 12 also shows workpiece to be processed 44, and this workpiece 44 comprises a plurality of electronic components 46 and the package paper band 47 that is arranged side by side.Pedestal 41 is through on the lower installation board 15 that is bolted to driving mechanism 1, and the upper end of pedestal 41 has two grooves, and following cutter head 42 is connected in the groove separately through bolt respectively with workpiece support plate 43.Following cutter head 42 is oppositely arranged with last cutter head 25; Guarantee the sheared edge of cutter head 42 down be positioned at cutter head 25 sheared edge under; And the width of following cutter head 42 makes the pin that is supported on the electronic component 46 on the workpiece support plate 43 be supported on down cutter head 42 tops greater than the lead pin pitch of electronic component 46.Workpiece support plate 43 is provided with the locating hole (not shown) that is oppositely arranged with alignment pin 24, is used for the location of workpiece 44.In addition, a side of workpiece support plate 43 also is provided with guide lip 45, the paper tape 46 of the workpiece 44 sent into by the step feeder (not shown) of being used to lead.
The workflow that pin of the present invention cuts off the bending and molding device is following: at first; The workpiece 44 that is supported on the workpiece support plate 43 is delivered to working position by step feeder; Aperture 48 on the paper tape 47 is concentric with the locating hole on the workpiece support plate 43 at this moment, and two pins of electronic component 46 are supported on down the top of cutter head 42.Then, under the guide effect of driving action that drives cylinder 11 and upright guide rail 14, upper cutter head 2 is being with bending mechanism 3 to move downward; The aperture 48 that alignment pin 24 passes on the paper tape 47 inserts in the locating hole of workpiece support plate 43; Then, presser feet 26 contact paper tapes 46, and along with the increase presser feet spring 28 of Bottom Runby is compressed; Utilize spring force presser feet 26 that paper tape 46 is pressed on the workpiece support plate 43, so far realized the location of workpiece 44 and compress.It is descending that upper cutter head 2 is being with bending mechanism 3 to continue; The terminal part 313 that is in the left bending leg 37 that closes up state and right bending leg 38 inserts between two pins of electronic components 46; Simultaneously; Two pins of electronic component 46 get in two pin gathering sills 311 of guide plate 39 lower ends, have realized the location to pin.Upper cutter head 2 is being with bending mechanism 3 further descending; Under the shear action of last cutter head 25 and following cutter head 42; The pin of electronic component 46 is cut off; This moment, pin was in the top of the pin gathering sill 311 of guide plate 39, and the lower surface of guide plate 39 contacts with the upper surface of pedestal 41, and the motion of guide plate 39 is restricted thereby can not continues descending.Along with the piston rod that drives cylinder 11 continues to stretch out, upper cutter head 2 continues descending, and perpendicular base plate spring 32 is compressed; It is descending with respect to guide plate 39 that Connection Block 22 promotes top board 31; The left and right bending leg of the insertion of the wedge shape lower end of top board 31 37, between 38 it is strutted, left and right bending leg 37,38 is around rotating shaft 33 opposing rotations, and two terminal parts 313 push two pins that are in the electronic component 46 in the pin gathering sill 311 respectively; The pin that bending and molding has cut off; Owing to the effect of tiltedly carving of top board 31, pin is close to the medial surface of pin gathering sill 311, can from pin gathering sill 311, not drop in the bending process.Through the Bottom Runby of adjustment top board 31, thereby the angle that struts of regulating left and right sides bending leg just can realize the control to pin bending angle.After the bending action is accomplished, drive cylinder 11 withdrawal initial bit, upper cutter head 2 moves upward with bending mechanism 3 thereupon and gets back to initial bit; Under the effect of each spring and torsion spring power; The parts of other relative motion also all return initial bit; Left and right sides bending leg closes up, and electronic component 46 is deviate from gathering sill 311 and got into the gathering-device that pre-sets, thereby the pin of accomplishing an electronic component cuts off bending and molding.After this, pin cuts off the bending and molding device and will get into next cycle period to carry out the machine-shaping of next electronic component.
Pin of the present invention cuts off in the bending and molding device; Realized guiding and support to workpiece 44 through workpiece support plate 43, presser feet 26 positions and compresses with 24 pairs of workpiece of alignment pin, and upper cutter head 2 is being with bending mechanism 3 to move downward; Earlier the workpiece pin is positioned in the pin gathering sill 311; Utilize to go up shear action realization between cutter head 25 and the following cutter head 42 again to the cut-out of workpiece pin, upper cutter head 2 continuation are descending, the top board of bending mechanism 3 31 insertion left and right sides bending legs 37, between 38; Left and right sides bending leg is 33 rotations around the shaft, realize the bending operation to the pin after cutting off.Through the reasonable disposition of device, in whole downward storke, realize institutional operation to the cut-out bending of workpiece pin, improve operating efficiency and cut off the bending quality.It is reasonable in design that pin of the present invention cuts off the bending and molding device, compact conformation, reliable operation.
Above-described, be merely preferred embodiment of the present invention, be not in order to limiting scope of the present invention, the above embodiment of the present invention can also be made various variations.Be that every simple, equivalence of doing according to the claims and the description of application of the present invention changes and modification, all fall into the claim protection domain of patent of the present invention.
Claims (10)
1. a pin cuts off the bending and molding device, is used to process paper tape package-type electronic component, it is characterized in that, this pin cuts off the bending and molding device and comprises:
Driving mechanism comprises the bracing frame that has upright guide rail, and the slide block that moves along said upright guide rail;
Upper cutter head is fixed on said slide block and has cutter head;
Following tool rest is fixed on support frame as described above and has the following cutter head that is oppositely arranged with said upward cutter head;
Bending mechanism; Comprise the perpendicular base plate that is connected in said upper cutter head through perpendicular base plate spring; Parallel with said perpendicular base plate and be oppositely arranged guide plate, the lower end of said guide plate are provided with two pin gathering sills, are connected through symmetrically arranged two rotating shafts between said perpendicular base plate and the said guide plate; Revolve in each rotating shaft and be furnished with bending leg; Be provided with top board between two bending legs that are oppositely arranged, the upper end of said top board and said upper cutter head cunning are joined, and the wedge shape lower end overlap joint of said top board is on the apparent surface of two bending leg lower ends.
2. pin as claimed in claim 1 cuts off the bending and molding device; It is characterized in that; Said bending mechanism also comprises connection cover plate parallel with said perpendicular base plate and that be oppositely arranged, and said perpendicular base plate was connected through symmetrically arranged two torsion spring installation shaft with said the connection between the cover plate, was arranged with torsion spring on each torsion spring installation shaft; One end of said torsion spring is connected on the torsion spring installation shaft, and the other end is supported on the surface away from top board one side of bending leg.
3. according to claim 1 or claim 2 pin cuts off the bending and molding device, it is characterized in that, said guide plate with said perpendicular base plate facing surfaces on offer and be used for the top board gathering sill of joining with said top board cunning.
4. pin as claimed in claim 2 cuts off the bending and molding device; It is characterized in that; Said rotating shaft is provided with the rotating shaft step that is used to limit said perpendicular base plate and said guide plate spacing, and said torsion spring installation shaft is provided with the torsion spring installation shaft step that is used to limit said perpendicular base plate and said connection cover distance between plates.
5. according to claim 1 or claim 2 pin cuts off the bending and molding device; It is characterized in that; The lower end of said two bending legs is extended terminal part respectively; The overall width of said two terminal parts is less than the lead pin pitch of said electronic component, and the spacing of said two pin gathering sills equals the lead pin pitch of said electronic component.
6. according to claim 1 or claim 2 pin cuts off the bending and molding device; It is characterized in that; Support frame as described above is a C shape frame; Said C shape frame comprises horizontally disposed upper mounting plate, lower installation board and vertically is connected the middle installing plate between said upper mounting plate, the lower installation board that said upright guide rail is fixed on said middle installing plate and has the slide that is used to install said slide block.
7. pin as claimed in claim 6 cuts off the bending and molding device; It is characterized in that; Said drive unit further comprises the driving cylinder that has piston rod, and said driving cylinder is fixed on the upper surface of said upper mounting plate, and said slide block links to each other with the piston rod of said driving cylinder.
8. pin as claimed in claim 7 cuts off the bending and molding device; It is characterized in that; Said upper cutter head comprises the mount pad that is fixed on said slide block; Be fixed on the last cutter head of said mount pad lower end, be connected in the alignment pin and the presser feet of said mount pad lower end respectively through locating pin spring and presser feet spring, and be used for said cutter head, alignment pin and the presser feet gone up carried out spacing limiting plate.
9. pin as claimed in claim 8 cuts off the bending and molding device; It is characterized in that; Said upper cutter head also comprises the Connection Block that is fixed on said mount pad upper end; The lower surface of said Connection Block offers and is used for groove of joining with said top board cunning and the installing hole that is used to install said perpendicular base plate spring, and said perpendicular backplanes support is between said Connection Block and said limiting plate.
10. pin as claimed in claim 9 cuts off the bending and molding device; It is characterized in that; Said tool rest down comprises the pedestal that is fixed on said lower installation board; And the following cutter head and the workpiece support plate that are fixed on said pedestal upper end respectively, said workpiece support plate is provided with the locating hole that is oppositely arranged with said alignment pin, and the width of said cutter head down is greater than the lead pin pitch of said electronic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210031894.1A CN102528459B (en) | 2012-02-13 | 2012-02-13 | Pin cut-off bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210031894.1A CN102528459B (en) | 2012-02-13 | 2012-02-13 | Pin cut-off bending device |
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| CN102528459A true CN102528459A (en) | 2012-07-04 |
| CN102528459B CN102528459B (en) | 2014-08-20 |
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| CN201210031894.1A Active CN102528459B (en) | 2012-02-13 | 2012-02-13 | Pin cut-off bending device |
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