CN110014077A - A kind of cylinder body of fire extinguisher punching die - Google Patents
A kind of cylinder body of fire extinguisher punching die Download PDFInfo
- Publication number
- CN110014077A CN110014077A CN201910251568.3A CN201910251568A CN110014077A CN 110014077 A CN110014077 A CN 110014077A CN 201910251568 A CN201910251568 A CN 201910251568A CN 110014077 A CN110014077 A CN 110014077A
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- Prior art keywords
- fire extinguisher
- cylinder body
- punching
- fixed
- die holder
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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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The present invention relates to a kind of deep drawn cylinder body of fire extinguisher punching die structures, more particularly to a kind of cylinder body of fire extinguisher punching die, including upper mould part and lower mould part, the upper mould part includes die shank, upper die holder, punch-head assembly, the die shank is fixed on the top surface of the upper die holder, the punch-head assembly is fixed on the bottom surface of the upper die holder, the lower mould part includes cavity plate component, support column, mobile mechanism, the cavity plate component is fixed on the top of support column, the bottom end of the support column is fixed in the mobile mechanism, cylinder body of fire extinguisher is placed on the cavity plate component, the cavity plate component cooperates the punch-head assembly to be punched out operation to cylinder body of fire extinguisher.The mold is useful on punching machine, and mold carries cylinder, leans on gas-powered, and there is the quick easy access product of removable lower mould part to place and collect, at the same can the positioning of centering upper mould part, realize the process structure of quick punching.
Description
Technical field
The present invention relates to a kind of deep drawn cylinder body of fire extinguisher punching die structures, rush more particularly to a kind of cylinder body of fire extinguisher
Punch die.
Background technique
The top opening of common deep drawn cylinder body of fire extinguisher needs aperture, for installing the components such as valve handle, nozzle, valve
Component routinely shares, and plurality of specifications cylinder aperture size is designed as unanimously.In reality, conventional visible deep drawn cylinder piercing die
Mostly single punch-die, plurality of specifications multiple sets of molds are to production.Because cylinder height it is different (different size cylinder be always in
Between 220mm~500mm), mold opening stroke is too long, stamping space needed for general punching machine is unable to satisfy this product, punching
Mold, which can only be arranged on hydraulic press, to be used, and single product stamping period is long, inconvenient for operation.The market stronger in face of day is competing
It strives, develops research and development spirit, the design develops a kind of inside and carry cylinder driving and push away for the purpose of increasing productivity, reduce cost
Pull down the quick punching die that mold part conveniently moving puts part pickup, plurality of specifications cylinder can share.
Summary of the invention
The present invention is to solve above-mentioned technological deficiency, provides a kind of deep drawn cylinder body of fire extinguisher punching die.The mould
Tool is useful on punching machine, and mold carries cylinder, leans on gas-powered, and there is the removable quick easy access product of lower mould part to place
And collect, while can centering upper mould part positioning, realize the process structure of quick punching.
The technical scheme is that a kind of cylinder body of fire extinguisher punching die, including upper mould part and lower mould part, it is described
Upper mould part includes die shank, upper die holder, punch-head assembly, and the die shank is fixed on the top surface of the upper die holder, the punch-head assembly
It is fixed on the bottom surface of the upper die holder, the lower mould part includes cavity plate component, support column, mobile mechanism, the cavity plate component
It is fixed on the top of support column, the bottom end of the support column is fixed in the mobile mechanism, and cylinder body of fire extinguisher is placed on described
On cavity plate component, the cavity plate component cooperates the punch-head assembly to be punched out operation to cylinder body of fire extinguisher.
The die shank of upper mould part is fixedly connected with the top shoe of punching machine, and lower mould part is fixedly mounted on punching machine, conventional to rush
The vertical distance stroke of the top shoe of bed is 100~200mm, and the stack shell height of cylinder body of fire extinguisher is generally 220~500mm.Punching
When the operation of hole, the top shoe of punching machine drives upper mould part to detach lower mould part and vertically goes upward to punching machine highest stroke by die shank
Point, since the height of cylinder body of fire extinguisher is bigger than the die sinking distance between upper mould part and lower mould part, cylinder is difficult to be placed into
The cavity plate component for entering lower mould part is positioned, therefore the present invention adds mobile mechanism in lower mould part, is being carried out to fire extinguishing
When device cylinder carries out putting part, mobile mechanism drives support column horizontal displacement a distance, makes the cavity plate component and upper mold of support column
The punch-head assembly of component misplaces, and be placed on cylinder body of fire extinguisher can quickly on the cavity plate component of support column, after placement, then benefit
Support column is pulled back reset with mobile mechanism, after being directed at cavity plate component with punch-head assembly, the top shoe of punching machine drives upper mold portion
Part downlink realizes upper mould part and lower mould part to matching, and the top shoe of punching machine continues traveling downwardly, the punch-head assembly contraposition of upper mould part
It is punched out operation in the cylinder body of fire extinguisher of cavity plate component, after punching, the top shoe of punching machine drives upper mould part to go upward to
Highest point separates upper mould part with lower mould part, then makes support column horizontal displacement a distance by mobile mechanism, takes out recessed
The cylinder body of fire extinguisher that punching is completed on membrane module, completes one-off hole-piercing operation.The cylinder body of fire extinguisher to punching can be put again at this time
It sets on cavity plate component, carries out punching operation next time and be constantly punched out operation on punching machine so on circulate.
The cylinder body of fire extinguisher of different size can be adapted to by replacing the cavity plate component of different size in the present invention simultaneously,
Mold of the invention is realized can be punched out the cylinder body of fire extinguisher of plurality of specifications.
Further, the two sides of the bottom of upper die holder are equipped with outer bush, and the two sides of the support column are fixed with long guide post, described
Long guide post is fixed in the mobile mechanism, and the outer bush and the long guide post can carry out slide fit and realize upper mould part and lower die
Component to matching, so that the punch-head assembly accurate contraposition is punched out in the cylinder body of fire extinguisher on the cavity plate component.Length is led
Column and outer bush play the role of automatic capturing die-closed position, guarantee molding gap, are conducive to upper mould part and lower mould part is fast
Speed alignment is molded.
Further, punch-head assembly includes formed punch, upper fixed block, material returned elastic plastic, and one end of the formed punch is inlayed described in supplying
The other end of upper fixed block, the formed punch is socketed the material returned elastic plastic, inlays the upper fixing block prepared and is fixed on described
The bottom surface of die holder.When being punched out, the top shoe of punching machine drives upper die holder downlink by die shank, and upper die holder drives fixed block
Formed punch downlink, the material returned elastic plastic that the punching end cap of formed punch connects are contacted and are compressed with cylinder body of fire extinguisher, and the punching end of formed punch is convex
Material returned elastic plastic is punched out the cylinder body of fire extinguisher on cavity plate component out, and after punching, punching machine top shoe drives upper mold
Component uplink, the rebound of material returned elastic plastic retract the punching end of formed punch in material returned elastic plastic and are detached from cylinder body of fire extinguisher.Material returned bullet
The effect of power glue is to push down cylinder body of fire extinguisher in punch process to prevent its spring, increases punching press stability；Make after punching
Formed punch and cylinder safe separating guarantee that punching press work step is accurate, while the service life for being also beneficial to formed punch increases.
Further, cavity plate component includes cavity plate, positioning sleeve, and the female die embedding cover is in the positioning sleeve, the positioning sleeve
It is simultaneously locked with plug screw on the sliding top for being matched with the support column.When punching operation, cylinder body of fire extinguisher is placed on positioning sleeve, formed punch
Shearing punching is formed to cylinder body of fire extinguisher with cavity plate interaction, punched scrap is headed into cavity plate by formed punch, later from support column
Inner via hole falls into punching machine through-hole and finally falls.
Further, mobile mechanism includes lower fixed block, slide plate, pressing plate, lower die holder, block, side slide, cylinder tray, gas
Cylinder, the side slide are fixed on the upper surface two sides of the lower die holder, and the block is set to the both ends of side slide, and the pressing plate will
The side slide and the block, which are fixed, constitutes sliding slot in the upper surface two sides of the lower die holder, and the slide plate is placed in two sides
It can be slided between sliding slot and along the chute, the lower fixed block is fixed on the slide plate, and the support column is fixed on described
On lower fixed block, the cylinder tray is fixed on the side of the lower die holder, and the projecting shaft of the cylinder passes through the cylinder support
Block is attached with the slide plate, and the cylinder drives the slide plate to move along a straight line in sliding slot.Side slide, block and pressure
Plate constitutes two U-shaped sliding slots in the two sides of lower die holder, and the U-shaped sliding slot carry out level that slide plate is driven by the cylinder in upper die holder two sides is sliding
It is dynamic, to realize that the longitudinal direction of support column draws in release, punch-head assembly can be made to misplace with cavity plate component when being punched out operation and stayed
Space out, being put into and taking out convenient for cylinder body of fire extinguisher.
Further, outer bush use up-small and down-big anti-hanging platform structure, the outer bush by microcephaly's rotary table end edge with into
The bottom for entering the upper die holder avoids high-intensitive impact from forcing the upward play of outer bush, keeps firm.
Further, it is frustum cone structure that long guide post and the outer bush, which carry out one end of slide fit,.Head is designed to oblique cone drop-over
Frustum cone structure facilitate into outer bush carry out correcting.
Further, different positioning sleeves can be replaced according to the cylinder body of fire extinguisher of different size to be adapted to.Positioning sleeve is
Quick change part guarantees and support column small―gap suture slide fit when Vehicle Processing.
Further, the bottom surface of material returned elastic plastic is matched with the top cambered surface of cylinder body of fire extinguisher, the bottom surface of the material returned elastic plastic
It is higher by 3~4mm of one end that the formed punch is punched out, formed punch can be left under bullet after guaranteeing cylinder body of fire extinguisher punching.
Further, the two sides of lower die holder are equipped with U-shaped mounting groove, are installed on punching machine convenient for the lower die holder.
The invention has the benefit that
1, it is produced using conventional visible small punching machine, punch die structure is small and exquisite, and vulnerable part easily changes；
2, all specification cylinder punching operations of mold set are in one, it is only necessary to which the positioning sleeve for replacing different size can be into
Row stamping press；
3, the cavity plate component of lower mould part can be moved forward and backward by cylinder promotion, and product is facilitated to place and collect；
4, outer bush is carried with long guide post, it can be achieved that the automatic capturing of upper mould part and lower mould part, accurate positioning, safety
It is reliable and stable.
Detailed description of the invention
Fig. 1 is structural decomposition diagram of the invention.
Status diagram when Fig. 2 is mold die sinking.
Status diagram when Fig. 3 is the mold clamping.
2D plan front view when Fig. 4 is the mold clamping.
Fig. 5 is the schematic diagram of cylinder body of fire extinguisher.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
Embodiment 1:
As shown in Figure 1 to 4, a kind of cylinder body of fire extinguisher punching die, including upper mould part and lower mould part.
The upper mould part includes die shank 1, upper die holder 2, outer bush 3, punch-head assembly, wherein punch-head assembly include formed punch 4,
Upper fixed block 5, material returned elastic plastic 6, the assemble sequence of upper mould part are as follows:
1, formed punch 4 inlays the upper fixed block 5 of supplying from top to bottom；
2, two outer bush 3 inlay the two sides of the bottom through-hole of supplying upper die holder 2 from bottom to top；
3, the upper fixed block 5 for preparing of edge is placed on 2 lower section of upper die holder, through shop bolt is squeezed into, makes this two boards to matching
Together, it is tightened down from top to bottom with screw from upper die holder 2；
4, material returned elastic plastic 6 is inserted in the formed punch end of formed punch 4 from bottom to top, and reverse side locks screw；
5, die shank 1 is fixed by screws in the upper surface of upper die holder 2, completes upper mould part installation.
The lower mould part includes cavity plate component, support column 11, long guide post 10, mobile mechanism, and the cavity plate component includes
Cavity plate 7, positioning sleeve 8, the mobile mechanism include lower fixed block 12, slide plate 13, pressing plate 14, lower die holder 15, block 16, side slide
17, cylinder tray 18, cylinder 19, the assemble sequence of lower mould part are as follows:
1, two long guide post 10 is inlayed from top to bottom with two side through hole into slide plate 13, is then placed on lower fixed block 12
On slide plate 13, shop bolt is stamped, locks this two boards with screw from top to bottom；
2, it is equipped with through-hole among support column 11, support column 11 is inlayed from top to bottom logical among lower fixed block 12 with entering
Hole is locked from 13 bottom surface of slide plate, the through-hole of the through-hole alignment slide plate 13 of support column 11 and the through-hole of punching machine from bottom to top with screw,
It is fallen convenient for punched scrap；
3, the edge of cavity plate 7 is locked into plug screw 9 then by this assembly set on support column 11 with positioning sleeve 8 is entered, this time shift
Dynamic lower mold assemblies assembly is completed；
4, the upper plane front and rear sides of lower die holder 15 put 4 blocks 16 and with screw lockings, then place side slide 17
In the two sides of lower die holder 15, shop bolt is stamped；
5, by the slide plate 13 of the above-mentioned mobile lower mold assemblies assembled be placed in the side slide 17 of 15 upper surface of lower die holder with
In the region that block 16 surrounds, the 17 upper cover top board 14 of side slide of the right and left is locked from top to bottom with screw, is breakked away at this time
Block 17, block 16 and briquetting 14 constitute U-shaped sliding slot in the upper surface two sides of lower die holder 15, and mobile lower mold assemblies can pass through slide plate 13
It is moved forward and backward in sliding slot；
6, cylinder tray 18 is fixed on to front side (far from the personnel's erect-position side) screw locking of lower die holder 15, cylinder 19 is used
The projecting shaft of cylinder 19 is pierced by cylinder tray 18 and is connect with slide plate 13 with screw by screw locking in cylinder tray 18, is completed
The installation of lower mould part.
After completing the installation of upper mould part and lower mould part, upper mould part is screwed by die shank 1 in punching machine
Top shoe, the lower die holder 15 of lower mould part is screwed on punching machine, can start carry out punching machine operation.
The working principle of the mold are as follows:
Fig. 2~Fig. 5 is please referred to, when being punched out, mold is first opened, and the top shoe of punching machine is driven by die shank 1
Upper mould part separated with lower mould part and it is vertical go upward to punching machine highest travel point, and then cylinder 19 by slide plate 13 backwards
Side (personnel's erect-position position) is released, and is moved lower mold assemblies at this time and has been left below the top shoe of punching machine, by stretching as shown in Figure 5
Good cylinder body of fire extinguisher 20 is put into the positioning sleeve 8 of lower mold assemblies to punching operation part, completes die sinking at this time；It is molded again,
Cylinder 19 back pulls slide plate 13, resets mobile lower mold assemblies and reenters below the top shoe of punching machine, the top shoe of punching machine
Upper mould part downlink is driven, 3 centering of outer bush enters long guide post 10, realizes upper mould part, lower mould part to matching；The upper cunning of punching machine
Block continues traveling downwardly, and material returned elastic plastic 6 contacts cylinder body of fire extinguisher 20 and starts to compress, and formed punch 4 stretches out material returned elastic plastic 6 to Fire extinguisher tube
Body 20 is punched out, and the punched scrap of cylinder body of fire extinguisher 20 is pressed in push-in cavity plate 7 by formed punch 4, later from 11 inner via hole of support column
It falls into punching machine through-hole finally to fall, finally completes punching operation；Then it is opened again, the top shoe of punching machine drives upper mold portion
Part uplink, the rebound of material returned elastic plastic 6 unload cylinder body of fire extinguisher 20, retract formed punch 4 in material returned elastic plastic 6 and leave Fire extinguisher tube
Body 20, later, the top shoe of punching machine go upward to highest point；Then cylinder 19 releases mobile lower die towards rear side (personnel's erect-position position)
Component manually takes the cylinder body of fire extinguisher 20 for completing punching away, is then placed again into the cylinder body of fire extinguisher to punching to point is designed
20, complete a cylinder body of fire extinguisher product stamping period.
In the present embodiment, outer bush 3 and long guide post 10 can carry out slide fit realize upper mould part and lower mould part to matching,
Enable the cavity plate 7 in the 4 accurate contraposition cavity plate component of formed punch of punch-head assembly, rushes formed punch 4 accurately to cylinder body of fire extinguisher 20
Hole.Long guide post 10 and outer bush 3 play the role of automatic capturing die-closed position, guarantee molding gap, be conducive to upper mould part and
Lower mould part rapid alignment is molded.
In the present embodiment, the effect of material returned elastic plastic 6 is to push down cylinder body of fire extinguisher 20 in punch process to prevent its bullet
It jumps, increases punching press stability；Make formed punch 4 and 20 safe separating of cylinder body of fire extinguisher after punching, guarantees that punching press work step is accurate, together
When be also beneficial to formed punch 4 service life increase.
In the present embodiment, 3 material of outer bush is Cr12MoV, is heat-treated to HRC58~62, wear-resisting with enough hardness
It is durable；Outer bush 3 uses up-small and down-big anti-hanging platform structure, and outer bush 3 is by microcephaly's rotary table end edge with the bottom for entering upper die holder 2
Portion avoids high-intensitive impact from forcing the upward play of outer bush 3, keeps firm.
In the present embodiment, it is frustum cone structure that long guide post 10, which carries out chimeric one end with outer bush 3,.Head is designed to oblique cone
The frustum cone structure of drop-over, which facilitates into outer bush 3, carries out correcting, and the material of long guide post 10 is Cr12MoV, be heat-treated to HRC58~
62, it is wear-resisting durable with enough hardness.
In the present embodiment, different positioning sleeves 8 can be replaced according to the cylinder body of fire extinguisher 20 of different size to be adapted to.
Positioning sleeve 8 is quick change part, is guaranteed and 11 small―gap suture slide fit of support column when Vehicle Processing.
In the present embodiment, the bottom surface of material returned elastic plastic 6 is matched with the top cambered surface of cylinder body of fire extinguisher 20, the material returned elastic force
The bottom surface of glue 6 will be higher by 3~4mm of one end that the formed punch 4 is punched out, and can leave under bullet after guaranteeing 20 punching of cylinder body of fire extinguisher
Formed punch 4.
In the present embodiment, the two sides of lower die holder 15 are equipped with U-shaped mounting groove, carry out on punching machine convenient for the lower die holder 15
Installation.
In the present embodiment, 2 material of upper die holder is 45# steel, is heat-treated to HRC42~45, and mold is that reduction molding is total high
Upper padding plate has been saved, so this part takes general thickness to be heat-treated to increase durable resistance.
In the present embodiment, in sliding slot of 13 slide fit of slide plate between pressing plate 14 and lower die holder 15, the sliding slot of inside formation
Gap and left and right gap all cannot be excessive, otherwise not can guarantee upper mould part, lower mould part to the stability matched.This part Chang Shouchong
It hits and sliding friction, therefore material selection 45# is just heat-treated to HRC42~45.
In the present embodiment, cavity plate 7, formed punch 4 use Cr12MoV material, are heat-treated to HRC58~62, lower die holder 15 makes
With 45# steel, HRC42~45, thickness 35mm or more, increasing template rigidity prevents from wearing easily, remaining template uses 45# or Q235
Steel plate.
After the mold puts into production, production efficiency is reliable and stable, and replacement accessory is convenient and efficient, while also greatly improving
The service life of mold.Mold routinely installation operation, cylinder 19 are controlled by foot-operated control, punching machine by both hands, and work step is clear
It does not repeat, safe operation is simple.The punching that this class formation is suitable for 1Kg, 2Kg, 3Kg, 5Kg, 8Kg deep drawn cylinder body of fire extinguisher is made
Industry, while this class formation is applicable in the high handware punching production of strictly all rules or abnormity, is the novel die for meeting production requirement
Structure.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of cylinder body of fire extinguisher punching die, which is characterized in that including upper mould part and lower mould part, the upper mould part packet
Die shank (1), upper die holder (2), punch-head assembly are included, the die shank (1) is fixed on the top surface of the upper die holder (2), the formed punch group
Part is fixed on the bottom surface of the upper die holder (2), and the lower mould part includes cavity plate component, support column (11), mobile mechanism, described
Cavity plate component is fixed on the top of support column (11), and the bottom end of the support column (11) is fixed in the mobile mechanism, fire extinguishing
Device cylinder (20) is placed on the cavity plate component, the cavity plate component cooperate the punch-head assembly to cylinder body of fire extinguisher (20) into
Row punching operation.
2. a kind of cylinder body of fire extinguisher punching die according to claim 1, which is characterized in that the bottom of the upper die holder (2)
Portion two sides are equipped with outer bush (3), and the two sides of the support column (11) are fixed with long guide post (10), and the long guide post (10) is fixed
In the mobile mechanism, the outer bush (3) and the long guide post (10) can carry out slide fit and realize upper mould part and lower mold portion
Part to matching, so that the punch-head assembly accurate contraposition is punched out in the cylinder body of fire extinguisher (20) on the cavity plate component.
3. a kind of cylinder body of fire extinguisher punching die according to claim 1, which is characterized in that the punch-head assembly includes punching
Head (4), upper fixed block (5), material returned elastic plastic (6), one end edge supplying the upper fixing block (5) of the formed punch (4), the punching
The other end of head (4) is socketed the material returned elastic plastic (6), inlays the upper fixing block (5) prepared and is fixed on the upper die holder (2)
Bottom surface.
4. a kind of cylinder body of fire extinguisher punching die according to claim 1, which is characterized in that the cavity plate component includes recessed
Mould (7), positioning sleeve (8), the cavity plate (7) are bushed in the positioning sleeve (8), and positioning sleeve (8) cunning is matched with the branch
It is simultaneously locked with plug screw (9) on the top of dagger (11).
5. a kind of cylinder body of fire extinguisher punching die according to claim 1, which is characterized in that under the mobile mechanism includes
Fixed block (12), slide plate (13), pressing plate (14), lower die holder (15), block (16), side slide (17), cylinder tray (18), cylinder
(19), the side slide (17) is fixed on the upper surface two sides of the lower die holder (15), and the block (16) is set to side slide
(17) side slide (17) and the block (16) are fixed in the lower die holder (15) for both ends, the pressing plate (14)
Upper surface two sides constitute sliding slot, the slide plate (13) is placed between two side chutes and can be slided along the chute, described lower solid
Determine block (12) to be fixed on the slide plate (13), the support column (11) is fixed on the lower fixed block (12), the cylinder
Tray (18) is fixed on the side of the lower die holder (15), the projecting shaft of the cylinder (19) pass through the cylinder tray (18) with
The slide plate (13) is attached, and the cylinder (19) drives the slide plate (13) to move along a straight line in sliding slot.
6. a kind of cylinder body of fire extinguisher punching die according to claim 2, which is characterized in that the outer bush (3) uses
Up-small and down-big anti-hanging platform structure, the outer bush (3) is by microcephaly's rotary table end edge with the bottom for entering the upper die holder (2).
7. a kind of cylinder body of fire extinguisher punching die according to claim 2, which is characterized in that the long guide post (10) and institute
Stating outer bush (3) and carrying out one end of slide fit is frustum cone structure.
8. a kind of cylinder body of fire extinguisher punching die according to claim 4, which is characterized in that can going out according to different size
Firearm cylinder (20) replaces different positioning sleeves (8) to be adapted to.
9. a kind of cylinder body of fire extinguisher punching die according to claim 3, which is characterized in that the material returned elastic plastic (6)
Bottom surface matched with the top cambered surface of cylinder body of fire extinguisher (20), the bottom surface of the material returned elastic plastic (6) to be higher by the formed punch (4) into
3~4mm of one end of row punching.
10. a kind of cylinder body of fire extinguisher punching die according to claim 5, which is characterized in that the lower die holder (15)
Two sides are equipped with U-shaped mounting groove, are installed on punching machine convenient for the lower die holder (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910251568.3A CN110014077A (en) | 2019-03-29 | 2019-03-29 | A kind of cylinder body of fire extinguisher punching die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251568.3A CN110014077A (en) | 2019-03-29 | 2019-03-29 | A kind of cylinder body of fire extinguisher punching die |
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| CN110014077A true CN110014077A (en) | 2019-07-16 |
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| CN201910251568.3A Pending CN110014077A (en) | 2019-03-29 | 2019-03-29 | A kind of cylinder body of fire extinguisher punching die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586766A (en) * | 2019-10-11 | 2019-12-20 | 南通宏致汽车电子科技有限公司 | Bus bar piece preparation mould |
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