CN107971384A - The forming method and device of saw-tooth tool bit installation slit - Google Patents
The forming method and device of saw-tooth tool bit installation slit Download PDFInfo
- Publication number
- CN107971384A CN107971384A CN201711005209.7A CN201711005209A CN107971384A CN 107971384 A CN107971384 A CN 107971384A CN 201711005209 A CN201711005209 A CN 201711005209A CN 107971384 A CN107971384 A CN 107971384A
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- Prior art keywords
- punching
- punch
- slit
- tooth
- saw
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
- B23D65/02—Making saw teeth by punching, cutting, or planing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention provides a kind of forming method and device of saw-tooth tool bit installation slit, can accurately and efficiently form the slit for installing cutter head in saw plate.In the method for the present invention, after being punched the rooted tooth (15) to be formed and be made of the bumps of tooth crest (15b) and bottom of the tooth portion (15a) in one end of the width of saw plate (3), cut out to be formed for being inserted into saw-tooth tool bit (5) and install fixed slit (10b) in above-mentioned tooth crest (15b) side blow.The device of the invention has the punch (29) and punch die (19) of punching, the shape of the punching sword (51) for the punch (29) being inserted into the punching hole (52) of punch die (19) side has the larger preparation punching sword (51b) of width and the less slit punching sword (51c) of width, preparation punching sword (51b) is punched the preparation punching portion (10a) of the tooth crest side of saw plate (3), preparation punching sword (51b) of the slit punching sword (51c) in plan view from tooth top side is prominent to tooth root side, slit (10b) for being inserted into saw-tooth tool bit (5) and fixing is punched.
Description
Technical field
The present invention relates to a kind of forming method and device of saw-tooth tool bit installation slit.
Background technology
In the past, for example, as Patent Document 1, by motions such as the inventors of the present invention one kind by saw-tooth tool bit with energy
The mode of enough disassembling, assembling and replacings be inserted into it is chimeric so as to the method being fixed, in this method, in the point for the teeth portion for being formed at saw plate side
End forms support groove (slit) by grinding, is held this is inserted and fixed in the cutter head of the front and rear insertion groove for foring saw plate thickness
Bracket.
In addition, for existing teeth portion, in the case where being sawed for band, typically by rushing with a succession of tooth mould
Cut out mould the one side of the plate with saw plate is punched successively and is formed, wherein, the tooth mould by specified quantity bumps (tooth
Top and root portion) form, for example, as shown in patent document 2, known in the plate of double-width center make it is symmetrical
Tooth form continuous stamping, can be punched to form two band saws at the same time.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2015-217475 publications
Patent document 2：Japanese Unexamined Patent Publication 5-104328 publications
Invent the problem to be solved
As described above, formed for before installing the slit of saw-tooth tool bit, to be formed by punching press to be punched by tooth top and tooth
The rooted tooth that bottom is formed, but the slit of cutter head installation is ground by the grinding tool (grinding machine) of groove profile to be formed.Its
The reason is that, in order to punching formed rooted tooth simultaneously 450~500 (HV) left and right hard steel on formed slit, it is necessary to
Added on the punching sword of the punch of rooted tooth using the punching portion that such as width of slit punching is 0.9mm, 1.4mm, if this
, then there is the problem of slit punching sword can produce defect when carrying out the punching operation of punch in sample.
But if carrying out grinding to slit by grinding machine etc. as described above, the width of slit, depth are difficult to
Formed evenly, can be formed uneven, there are problem in terms of the stationarity, stability in cutter head, in addition, due to each tooth
Be ground to be formed respectively, it is extremely low and of high cost accordingly, there exist operating efficiency the shortcomings that.
The content of the invention
In order to solve the above problems, the forming method of saw-tooth tool bit installation slit of the invention, it is characterised in that sawing
One end of the width of plate is punched the rooted tooth to be formed and be made of the bumps of tooth crest and bottom of the tooth portion, then, in above-mentioned tooth crest
Side blow is cut out to be formed for being inserted into saw-tooth tool bit and carrying out the fixed slit of installation.
It msy be also constructed to, be punched punching portion when forming the slit by the larger preparation punching portion of width in tooth top side
Formed with the less slit of width, wherein, center of the slit from the preparation punching portion to the width of saw plate connects
Enter continuously, be punched cut-out since the prepared punching portion when punching is formed, then, punching be carried out continuously to the slit
Cut-out.
In addition, in the formation decompressor of the saw-tooth tool bit installation slit of the present invention, in the width of saw plate
One end has been punched the tooth crest side in the saw plate of the rooted tooth formed formed with the bumps by tooth crest and bottom of the tooth portion, punching
Cut out to be formed and be used to be inserted into saw-tooth tool bit and carry out the fixed slit of installation, it is characterised in that the decompressor has punching
Punch and punch die, the shape of the punching sword for the punch being inserted into the punching hole of the punch die side have：To the tooth crest of saw plate
Larger the preparing of width that the preparation punching portion of side is punched is punched sword and the less slit punching sword of width, wherein, this is narrow
Preparation punching sword of the seam punching sword in plan view from tooth top side is prominent to tooth root side, to for being inserted into saw-tooth tool bit and carrying out
The fixed slit is punched.
Msy be also constructed to, the punching end face of preparation punching sword and slit punching sword is formed on continuous face, also, with
The mode that punching is cut off since preparation is punched sword when punching is formed, makes above-mentioned punching end face on the direction of rising from preparation
Sword is punched to tilt towards slit punching sword.
It msy be also constructed to, be provided with punch guide portion, the punch guide portion is punched from preparation in plan view
At the continuous section in section on the outside of the tooth top of sword and preparation is punched the downward side protrusion in punching end face of sword, total when being punched operation
It is to be inserted through in the punching hole of punch die side, and orientation direction is carried out relative to the position of punch die to punch.
It msy be also constructed to, there is the nest plate and die plate supported respectively in fixed position to punch and punch die,
Combine the nest plate and the die plate and form single form unit, enabling in the nest plate and the die plate
Between by means of stroke guiding piece and spring stroke movement is flexibly carried out in the range of predetermined stroke, the die plate is dismantled and assembled
Ground is installed in punch pad.
It msy be also constructed to, have above-mentioned saw plate in the punching operation of the slit relative to the punch and described
Punch die carries out the detent mechanism of three-dimensional positioning, which has positioning pin, which is uprightly set for shape
Abutted into the rooted tooth in the saw plate being inserted into the horizontal direction and position locking.
It msy be also constructed to, the positioning pin is arranged on the punch die or the punching with being inserted into a detachable manner
In template.
It msy be also constructed to, there is compressing member, when carrying out the punching operation of slit, the compressing member compresses saw plate limitation
It moves up and down and stably carries out punch punching and punch extraction.
It msy be also constructed to, oppositely carrying out lifting and swinging up and down to front and back end by fulcrum shaft in punch pad rushes
Compression bar carries out e axle supporting, so as to the mode that the rostral that liquidates is pushed is configured in the approximated position of the front of punch rod
Lower section, be provided with actuator below the rear end side of punch rod, the actuator driving boosts the rear end of the punch rod
So as to carry out suppressing driving to punch in the front end of the punch rod.
It msy be also constructed to, have roller in the front e axle supporting of punch rod, which is crimped when the punch rod drives
In nest plate side, so as to carry out pushing driving to the nest plate downwards.
The effect of invention
Due to carrying out the punch press process of slit portion after the rooted tooth to being made of tooth crest and bottom of the tooth portion is processed, because
This, the part of the punching slit in the punch being processed to the less slit portion of width will not occur brokenly because of point-load etc.
Damage, moreover, be punched since the larger preparation punching portion of the width of tooth top side to the punching portion of saw plate, and side to width compared with
The part of small slit continuously moves side and is punched, therefore, it is possible to further mitigate to the slit blanking portion of punch
Overload, can prevent the blanking portion of punch from breakage occurs.
Brief description of the drawings
Fig. 1 is the overall perspective view for the setting state for representing apparatus of the present invention.
Fig. 2 is the exploded perspective view for representing the decompressor of the present invention.
Fig. 3 is the exploded perspective view of punching form unit used in the present invention.
Fig. 4 (A), (B) are respectively the stereogram of punch and punch die.
Fig. 5 (A)~(C) is respectively the front view, side view, bottom view of punch.
Fig. 6 is the top view for representing to carry out the state of the punching operation of slit based on apparatus of the present invention.
Fig. 7 is the amplification plan view for representing the sawtooth in the method for the present invention and position relationship of the punch die in operation.
Fig. 8 is to represent cutter head being installed on the amplification plan view as the installation method on the sawtooth of the object of the present invention.
Embodiment
Attached drawing represents one embodiment of the present of invention, and Fig. 1 shows (install decompressor with narrow for forming saw-tooth tool bit
The decompressor of seam) 1 state being installed on operation post 2 and the band saw position of saw plate 3 when carrying out slit punching operation close
System, wherein, the decompressor 1 is used for the punching for carrying out the saw-tooth tool bit installation slit (mounting groove) of the band saw of the present invention etc.
Formed, in the case where object is band saw, saw plate 3 is formed as the ring-type of circulation.
Fig. 2 is the exploded perspective view for the structure for representing decompressor 1, in apparatus main body, in rectangular on by anteroposterior direction
Pair of right and left side view is installed in falling the bearing 6 of T-shaped in the punch pad 4 that the plate of shape is formed, front end be bent downwardly after again into
One step in the horizontal direction curved punch rod 7 so as to the mode freely up and down swung passes through fulcrum shaft 8 at the second bending section
E axle supporting is in the bearing 6.The pair of right and left being made of bearing pushes roller 11 and rotates freely ground axle suspension in punch rod by roll shaft 9
7 close to the front end on pedestal 4.
Installation settings has actuator 13 on the pedestal 4 below the rear end side of above-mentioned punch rod 7, the actuator 13 by with
The small-sized cylinder of the rod end 12 of support punch rod 7 is formed, and is extended by the bar of the cylinder 13, and the rear end side of punch rod 7 is to prop up
Point axis 8 is swung up for fulcrum and front rotates down.
In addition, in the punch pad 4 of the lower section of the front of punch rod 7, mould list is installed in a manner of disassembled and assembled freely
Member 14, which is unitized the bulk as rectangular-shape, is pushed away when the front end of above-mentioned punch rod 7 declines via roller 11
Molding unit 14, and punch 29 described later is carried out stroke.The punching pressure of punch 29 is about 300kg/cm at this time2, OK
Journey S is 3mm or so.
Above-mentioned form unit 14 is to be installed on the die plate 16 of lower floor and the nest plate 17 in middle level on nest plate 17 with overlapping
Push plate 18 be assembled into rectangular-shape (bulk) and form.Among these, punch die (former) 19 is embedded in mounting hole 21 and court
Shangdi is installed on the front center of die plate 16, and at four positions in corner formed with circular mounting base 22, stroke draws
Guiding element (pin) 23 is mounted thereon upward.
Moreover, on the spring base 24 arranged on the anteroposterior direction centre position of the stroke guiding piece 23 of left and right respectively vertically
Direction is configured with helical spring 26.In addition, the right position in the rear end of die plate 16 is equipped with the slit that incised notch is formed as U-shaped
The bolt iserting portion 27 of shape, here, is inserted through installation bolt 28 in bolt iserting portion 27, so that die plate 16 is by disassembled and assembled freely
Ground is installed on pedestal 4, and form unit 14 is overall to be mounted on pedestal 4.
In the present embodiment, above-mentioned bolt iserting portion 27 is made relative to two 28 positions of bolt being screwed into advance on pedestal 4
Alignment, and form unit 14 is rearward slided, form unit 14 only is installed by being fastened by bolt 28 to die plate 16, is torn open
Except when, as long as unscrewing the bolt 28 and pulling down forwards.
In the central part the front-end of nest plate 17, punch 29 is mounted block 31 and clamps and be fastened and fixed, and mounting blocks 31 are embedded in
The front center of nest plate 17, the circular mounting hole 32 formed with punch 29, punch 29 are entrenched in the installation therebetween
In hole 32, mounting blocks 31 are fastened by bolt 33, are thus installed in a detachable manner.
In addition, wearing bullport 34 in the corner of nest plate 17, the bullport 34 is chimeric to be inserted through stroke guiding piece 23, so that
Nest plate 17 is guided relative to the lifting (stroke) of die plate 16, centre position is worn before and after the bullport 34 of left and right
Equipped with the spring eye 36 for being inserted through spring 26.
The bullport 37 in face of the upper end of stroke guiding piece 23, also, the heart wherein are equipped with the corner of push plate 18
Portion is equipped with bolt and is inserted through hole 39, which is inserted through hole 39 and is inserted through for bolt 38 and push plate 18 is kept relative to die plate 16
Predetermined distance, so as to be kept via spring 26 with elastic type, the spiral shell of the bolt 38 is equipped with the central part of die plate 16
Pit 35.
Above-mentioned bolt 38 is by ensuring that push plate 18 constant determines punch relative to the interval (height) of die plate 16
The component of the elastic lifting amount (stroke S) of plate 17.Reference numeral 40 is the bolt hole for the nest plate side for interting above-mentioned bolt 38.
Bolt hole 42 is equipped with before and after the bolt hole 39 of push plate 18, the bolt hole 42 is interspersed for bolt 41, the spiral shell
Bolt 41 is used to will push against the upper surface that plate 18 is anchored on nest plate 17, and the spiral shell of bolt 41 is equipped with the correspondence position of nest plate 17
Pit 43.Since push plate 18 is mounted on nest plate 17, push plate 18 bears the roller 11 at the tip of punch rod 7
Pushing, both integratedly lift (stroke movement) relative to die plate 16, and the knife by punch die 19 and punch 29 to saw plate 3
Head installation carries out punching formation with slit 10b.Saw plate 3 is inserted into the stroke space (S) between die plate 16 and nest plate 17, such as
Shown in Fig. 1, Fig. 6, Fig. 7,3 edge arrow a directions of saw plate are carried out the punching of slit by hand feed side successively.
In the present embodiment, push plate 18 is integratedly mounted with by bolt 41 on nest plate 17, but is used as mould
Unit 14, as long as nest plate 17 carries out lifting action with regard to enough relative to die plate 16, it is thus possible to enough by nest plate 17 with pushing away
Pressing plate 18 is integrally formed as nest plate.In this case, it is necessary to which the lower face side in integrally formed nest plate is provided projectingly
Punch 29, and be necessary to carry out backstop to the upper end of spring 26.
In the following, saw plate 3 is illustrated relative to the detent mechanism of decompressor 1 when being punched operation to above-mentioned slit.
As shown in Fig. 2, Fig. 6, main view in angular installation part 44 inwardly in a manner of it can be dismounted from outside from a left side
Right outside is securely mounted on the front installation end of the bearing 6 of left and right, wherein the bearing 6 of left and right is installed on pedestal 4, prominent
Be formed as the pressing plate 46 of horn shape inwardly during the lower part insertion top view for going out to be arranged on the mounting part of its rear and front end, and
It is secured in a press by positioning bolt (not shown).By the pressing plate (compressing member) 46, the tooth top side end of saw plate 3 is compacted,
And limit moving up and down when carrying out blanking movement.In addition, the front end face in the installation part 44 of above-mentioned left and right passes through screw card
Fixed wait longitudinally is mounted with the inner of left and right directions in the positioning plate 47 of banding, when being punched operation, the tooth top side of saw plate 3
(upper blade surface) can be abutted with the positioning plate 47, and carry out the positioning in the front-back direction of saw plate 3.
Moreover, the upper table in above-mentioned punch die 19 is uprightly provided with upwardly positioning pin 48, as shown in Figure 6, Figure 7, make
Slit is formed as zigzag rooted tooth 15 in saw plate 3 lower sword side pocket before being formed is abutted engaging in the positioning pin 48, thus,
The positioning of the left and right directions of saw plate 3 is carried out, i.e., the slit punching position of the rooted tooth 15 relative to each tooth is positioned.
Next, the cutter head and cutter head mounting structure to saw plate 3 illustrate, as shown in the imaginary line of Fig. 7, Fig. 8, sawing
Formed on plate 3 before mounting groove (slit) 10b of insertion installation cutter head 5, be pre-formed and connect with the zigzag fashion of common band saw
Near rooted tooth 15, it is that bottom of the tooth portion 15a and tooth crest 15b is formed that the rooted tooth 15 is concavo-convex by zigzag.
In this regard, when carrying out punching to slit 10b and being formed, if using the part being actually punched as punching portion 10, remove
Smaller and almost parallel narrow of width that angular direction enters is tilted from tooth crest 15b to the width central part of saw plate 3
Stitch beyond 10b, in the opening side of slit 10b and pre- including the point in mountain peak shape acute angle of tooth crest 15b
Standby punching portion 10a is also with being punched (excision) together with slit 10b.
The knife that left and right directions section (cross section) trough of belt will be made to be configured to H-shaped in the same manner as the cutter head shown in patent document 1
First 5 push insertion and chimeric in the slit 10b so formed.In this case the slit width of slit 10b according to
The size of cutter head 5 is punched as 0.9mm or 1.4mm or so as has been described.
In addition, the shape after being punched to above-mentioned preparation punching portion 10a and slit 10b is with being formed in before and after cutter head 5
The cross sectional shape of the cutting remainder of the insertion groove (with reference to the chain-dotted line portion in Fig. 8) in face is corresponding, is being inserted into and is being fitted together to knife
It is mutually adapted when first 5, thus, becomes the structure of the insertion fixing-stable it is possible to realize cutter head 5.
On the punch 29 of slit 10b and the detailed construction of punch die 19 has been formed as described above, referring to Fig. 4, Fig. 5
Illustrate.Fig. 4 (B) is the integrally-built stereogram for the punch die 19 for representing the present embodiment, and in this embodiment, punch die 19, which is overlooked, to be seen
Be formed as in rectangular-shape and lower part protruding flange shape convex shape when examining, be equipped with the punching sword for punch 29 at its center
The punching hole 52 of 51 same shapes being inserted through.
In this regard, as shown in Fig. 4 (A), Fig. 5 (A)~(C), in punch 29, be formed as the step-like cylinder of major diameter in upper end side
Tip (lower end) center of shape main part is highlightedly equipped with punching sword 51.The punching sword 51 has：Punch guide portion 51a, always
It is inserted through in the punching hole 52 of punch die 19, punch 29 is guided relative to the stroke of punch die 19 and is extended and is projected into
It is most advanced；Tooth top side blow cut out sword 51b, be formed as step-like in the base end part side of punch guide portion 51a, with punch guide portion
The wide section that 51a is of same size is punched the preparation punching portion 10a of foregoing saw plate 3；The less slit punching sword of width
51c, from the tooth top side blow cut out sword 51b it is prominent to tooth root side and to slit 10b partly be punched.
Moreover, it is to look up that above-mentioned tooth top side blow, which cuts out sword 51b and the construction of the lower face (punching face) of slit punching sword 51c,
Tilted during observation on the direction risen successively towards slit punching sword 51c with single plane, when slit is punched and cuts off, from tooth top
The preparation punching portion 10a of side begins to switch off and is punched successively to slit 10b, finally the most deep of punching to slit 10b.It is excellent
It is single plane to select and cut out the inclined plane of sword 51b to the end face of slit punching sword 51c from above-mentioned tooth top side blow, but can also make it be
The changed end face when ramping up direction bending or flexing on the way.
By forming above-mentioned inclined plane, punching face is moved to the less part of width successively from the larger part of width, because
This, can prevent from acting on the overload increased suddenly on the less slit punching sword 51c of width, can prevent the broken of the part
Damage.Reference numeral 53 is that the stopper section set is protruded inwardly near above-mentioned punching sword 51, and sword 51c is punched to slit in slit
After 10b is punched, stopper section 53 abuts with the upper surface of punch die 19 and the lower position of stroke is limited.
It is 120 × 260 (mm) that decompressor shown in above-described embodiment, which has the size of punch pad, whole height is
The compact size of 165.12mm or so, it is about 13kg or so that gross weight can be made in the state of assembling after form unit 14, is made
For generally build is minimum and light weight.Therefore, the operation post of the decompressor is installed also to be small-sized and high intensity, energy is not required
It is enough to carry out operation in small space.
In addition, being transported also very simply because of small-sized and light weight, transport or to area farther out, such as it is easy to reply 21kg
Small-sized international parcel processing maximum weight, the transport to foreign country is also very simple, in addition, blanking die also for small size and
It is unitized, therefore, no matter domestic or overseas, when die life is used up and needed replacing, unit can be used as by having
The advantages of simple transport buying, the replacement operation of mould is also simple as has been described.
Used in addition, form unit is not necessarily limited to be assembled in the decompressor of above-described embodiment, such as can also
It is enough together with the formation stamping die of conventional sawtooth, be located at side by side and the common punching same production line of punching press on feeding side
Downstream side, and can be formed simultaneously with the punching of rooted tooth, processing is carried out at the same time on the machining production line of a cycle.This
Outside, the method and device shown in above-described embodiment can also be suitable for the saw plate beyond saw.
Moreover, the decompressor 1 being made up of like that above-described embodiment the tooth crest 15b of saw plate 3 be punched to be formed it is narrow
When stitching 10b, as shown in Fig. 1, Fig. 6, relative to the decompressor 1 being arranged on operation post 2, by 3 Load of saw plate put platform 2a come
Decision Height, as has been described, while to be pre-formed rooted tooth 15 saw plate 3 carry out around, upper and lower positioning while by each
Tooth crest 15b is fed along arrow a directions and carries out the punching formation of slit 10b successively.
Structure as according to more than, due to carrying out adding by tooth crest 15b and bottom of the tooth portion the 15a rooted tooth 15 formed
The local punch press process of slit 10b is carried out after work, therefore, in the punch 29 that slit 10b less to width is processed
Because of point-load etc. breakage will not occur for the part for being punched slit 10b, moreover, the preparation that the width from tooth top side is larger
Punching portion 10a starts to be punched the punching portion 10 of saw plate 3, and the part of from side to the less slit 10b of width are continuously moved
Dynamic side is punched, and therefore, it is possible to further mitigate the overload to the slit blanking portion of punch 29, can prevent punch 20
Part for being punched slit 10b occurs damaged.
As a result due to can be by forming slit 10b based on the punch press process of punching press, therefore, it is possible to significantly
Dimensional accuracy, the positional precision of slit 10b are improved, in addition it is possible to make processing operation efficient.
In addition, when carrying out the processing of the slit 10b with saw, make the blanking die in rooted tooth portion 15 and the blanking die of slit 10b
Set to front and rear proximity in the production line, and punch press process is carried out by single feeding operation successively, thereby, it is possible to one
Cycle carries out rooted tooth 15 and the punch press process of slit 10b.In this case, additionally it is possible to by the mould of rooted tooth 15 with slit 10b's
Mould is installed on single pressure head (ram) and is punched.
On the other hand, in decompressor 1, the width of punch 29 is less narrow due to the width with slit 10b correspondingly
Seam punching sword 51c along width it is larger preparation punching sword 51b be integrally formed, therefore, slit punching sword 51c strengthened so as to
It can further prevent slit 10b from breakage occurring when punching is formed, in addition, with only carrying out punching formation to slit 10b
Situation compare, have the advantages that to reduce because punching causes the saw plate 3 of slit 10b side peripheries to deform.
In addition, make from preparation punching sword 51b to the punching end face of slit punching sword 51c as continuous surface in the direction of rising
Upper inclination, thus, is punched cut-out, cutoff action is continuously moved to slit 10b since the larger preparation punching sword 51b of width
Side, therefore, the punching of slit 10b are smooth, will not be punched in slit on sword and act on unnecessary load.
In addition, by the punch guide portion 51a protruded at the tip of punch 29, have together with preparation punching sword 51b pair
The effect that slit punching sword 51c is strengthened, in addition, punch 29 can become more accurate relative to the stroke guiding of punch die 19
Really, the punching cutting action of slit 10b is also very stable.
Being additionally, since makes punch 29 and 19 blocking of punch die, and therefore, user is when carrying out the replacement of mould, as long as by single
Member is replaced just enough, it is not necessary to which the dismounting of the peace of punch 29 or punch die 19 itself removes operation, in addition, can be simply by unit
Itself is installed relative to the accurate location in punch pad 4, is removed, therefore, what the replacement and maintenance of mould need not be enriched
Experience, can effortlessly be operated.
In addition, make the decompressor 1 that punch 29 is moved relative to 19 stroke of punch die, due to by simple punch rod 7 and rush
The dynamic composition of device 13 is just enough, therefore, there is no need to large-scale prime mover or equipment, can make the integral miniaturization of decompressor 1, because
This, is easy to carry about with one and transports, and is also easily configured to operation post both deposited etc..
Description of reference numerals
1 decompressor (the formation decompressor of saw-tooth tool bit installation slit)
3 saw plates
4 punch pads
5 cutter heads
6 bearings
7 punch rods
8 fulcrum shafts
9 roll shafts
10 punching portions
10a preparation punchings portion
10b slits
11 rollers
12 rod ends
13 actuators (cylinder)
14 form units
15 rooted teeth
15a bottom of the tooth portion
15b tooth crest
16 die plates
17 nest plates
18 push plate
19 punch dies (former)
23 stroke guiding pieces
26 springs
27 bolt iserting portion
28 installation bolts
29 punches
44 installation parts
46 pressing plates (compressing member)
47 positioning plates
48 positioning pins
51 punching swords
51a punch guide portions
51b points of a knife side blow cuts out sword (preparation punching sword)
51c slits are punched sword
52 punching swords.
Claims (11)
- A kind of 1. forming method of saw-tooth tool bit installation slit, it is characterised in thatThe rooted tooth to be formed and be made of the bumps of tooth crest and bottom of the tooth portion is punched in one end of the width of saw plate, then, in institute Tooth crest side blow is stated to cut out to be formed for being inserted into saw-tooth tool bit and carrying out the fixed slit of installation.
- 2. the forming method of saw-tooth tool bit installation slit according to claim 1, wherein,The punching portion being punched when forming the slit is less described by the larger preparation punching portion of width in tooth top side and width Slit is formed, the center of width of the slit from from the prepared punching portion to saw plate continuously into,Cut-out is punched since the prepared punching portion when punching is formed,Then, punching cut-out is carried out continuously to the slit.
- 3. a kind of formation decompressor of saw-tooth tool bit installation slit, wherein, it has been punched shape in one end of width The tooth crest side into the saw plate for having rooted tooth that the bumps by tooth crest and bottom of the tooth portion form, punching, which is formed, to be used to be inserted into saw Serrated knife head simultaneously carries out the fixed slit of installation, it is characterised in thatPunch and punch die with punching,The shape of the punching sword for the punch being inserted into the punching hole of the punch die side has：The larger preparation punching sword of width, is punched the preparation punching portion of the tooth crest side of saw plate；AndThe less slit punching sword of width, slit punching sword is in plan view from the preparation punching sword of tooth top side to tooth root side It is prominent, the slit for being inserted into saw-tooth tool bit and being fixed is punched.
- 4. the formation decompressor of saw-tooth tool bit installation slit according to claim 3, wherein,The punching end face of preparation punching sword and slit punching sword is formed on continuous face, also, from preparation when being formed with punching Punching sword proceeds by the mode of punching cut-out, the punching end face is rushed on the direction of rising from preparation punching sword towards slit Sword is cut out to tilt.
- 5. the formation decompressor of saw-tooth tool bit installation slit according to claim 3, wherein,Punch guide portion is provided with, the punch guide portion is in plan view from the section being punched with preparation on the outside of the tooth top of sword At continuous section and preparation is punched the downward side protrusion in punching end face of sword, and rushing in punch die side is always inserted through when being punched operation Cut out in hole, and orientation direction is carried out relative to the position of punch die to punch.
- 6. the formation decompressor of saw-tooth tool bit installation slit according to claim 3, wherein,With the nest plate and die plate supported respectively in fixed position to punch and punch die,Combine the nest plate and the die plate and form single form unit, enabling in the nest plate and the punching Stroke movement is flexibly carried out in the range of predetermined stroke by means of stroke guiding piece and spring between template,The die plate is removably mountable in punch pad.
- 7. the formation decompressor of saw-tooth tool bit installation slit according to claim 3, wherein,With detent mechanism, the detent mechanism in the punching operation of the slit by the saw plate relative to the punch and The punch die carries out three-dimensional positioning,The detent mechanism has positioning pin, and the positioning pin is uprightly set for being formed along the saw plate of horizontal direction insertion On rooted tooth abut and position locking.
- 8. the formation decompressor of saw-tooth tool bit installation slit according to claim 7, wherein,The positioning pin is arranged on the punch die or the die plate with being inserted into a manner of removable.
- 9. the formation decompressor of saw-tooth tool bit installation slit according to claim 3, wherein,With compressing member, when carrying out the punching operation of slit, the compressing member compression saw plate limits it and moves up and down and stablize Ground carries out punch punching and punch extraction.
- 10. the formation decompressor of saw-tooth tool bit installation slit according to claim 3, wherein,The punch rod for oppositely carrying out lifting and swinging up and down to front and back end by fulcrum shaft in punch pad carries out e axle supporting,So as to the mode that the rostral that liquidates is pushed is configured in the lower section of the approximated position of the front of punch rod,Be provided with actuator below the rear end side of punch rod, the actuator driving boost the rear end of the punch rod so as to Punch is carried out in the front end of the punch rod to suppress driving.
- 11. the formation decompressor of saw-tooth tool bit installation slit according to claim 10, wherein,There is roller in the front e axle supporting of punch rod, which is crimped on nest plate side when the punch rod drives, so as to Under pushing driving is carried out to the nest plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016208734A JP2018069351A (en) | 2016-10-25 | 2016-10-25 | Method and device for forming slit for fitting of saw-tooth tip |
| JP2016-208734 | 2016-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107971384A true CN107971384A (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711005209.7A Pending CN107971384A (en) | 2016-10-25 | 2017-10-25 | The forming method and device of saw-tooth tool bit installation slit |
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| Country | Link |
|---|---|
| JP (1) | JP2018069351A (en) |
| CN (1) | CN107971384A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845802A (en) * | 2021-03-05 | 2021-05-28 | 合兴汽车电子股份有限公司 | Blanking assembly, blanking die and blanking process |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6721626B2 (en) | 2018-03-30 | 2020-07-15 | 本田技研工業株式会社 | Gas filling method |
| CN110711816A (en) * | 2019-08-22 | 2020-01-21 | 东莞市鼎通精密五金股份有限公司 | Novel terminal piercing structure |
| SE544496C2 (en) * | 2020-07-15 | 2022-06-21 | Swealand Hus & Fasadteknik Ab | Method and apparatus for refurbishing an oscillating multi-tool blade |
-
2016
- 2016-10-25 JP JP2016208734A patent/JP2018069351A/en active Pending
-
2017
- 2017-10-25 CN CN201711005209.7A patent/CN107971384A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845802A (en) * | 2021-03-05 | 2021-05-28 | 合兴汽车电子股份有限公司 | Blanking assembly, blanking die and blanking process |
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| Publication number | Publication date |
|---|---|
| JP2018069351A (en) | 2018-05-10 |
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