CN205702025U - Trimming Die scrap cutter and Trimming Die - Google Patents
Trimming Die scrap cutter and Trimming Die Download PDFInfo
- Publication number
- CN205702025U CN205702025U CN201620356361.4U CN201620356361U CN205702025U CN 205702025 U CN205702025 U CN 205702025U CN 201620356361 U CN201620356361 U CN 201620356361U CN 205702025 U CN205702025 U CN 205702025U
- Authority
- CN
- China
- Prior art keywords
- trimming die
- cutting edge
- breach
- scrap cutter
- waste material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of Trimming Die scrap cutter, including the cutting edge for being cut off by waste material, described cutting edge is provided with the breach of the predetermined width for making described waste material marginal laceration near one end of trimming line.The Trimming Die scrap cutter that application this utility model provides is in waste material cutting-off process, and owing to the waste part cut off by cutting edge produces crack, for the most crisp waste material, at crack, the active force of fracture propagation makes waste material edge be torn under the effect of direct stress.Owing to the stress of edge is become direct stress from shear stress, considerably reduce the formation of material slag.Namely by the setting of cutting edge one end predetermined width breach so that tear severing is changed into by shearing severing in waste material edge, it is to avoid the generation of material slag, and then die face will not be impacted, it is to avoid the surface quality of workpieces problem thus caused.The invention also discloses a kind of Trimming Die including above-mentioned Trimming Die scrap cutter.
Description
Technical field
This utility model relates to deburring technical field, more particularly, it relates to a kind of Trimming Die waste material
Cutting knife, further relates to a kind of Trimming Die including above-mentioned Trimming Die scrap cutter.
Background technology
The forming parts processes such as large-scale auto body panels need to be through operations such as drawing, deburring, flanging and restrikings.
Wherein deburring be by for ensure stretch forming and the addendum that increases around punching parts and
The stamping procedure that the internal addendum stamping-out increased of stamping parts cuts off, is to ensure that automobile covers
One important procedure of part accessory size.
Trimming Die generally comprises the primary structures such as upper die and lower die, holding pad, edge iron, waste knife.
Its work process generally comprises: being put into by plate in lower mold, upper mold moves downward.Period material pressing core is first
Touch plate, until upper mold edge contacts is to plate, i.e. binder process.Then, upper mold continue to
Lower motion, until incision lower mold about 2～5mm, one week waste material technique supplemented by edge iron effect
Cut off.Upper mold continues to move downward about 3mm, and waste knife works, by border waste material cutting section.
Wherein, what waste knife was conventional has symbol shape waste knife and T-shaped waste knife.The blade shape of symbol shape waste knife
Shape is identical with the shape of waste material, and T-shaped waste knife is used for small lot and the cut-out of thin material.Refer to
Fig. 1, Fig. 1 are the structural representation of Trimming Die scrap cutter common in the art.Waste knife
Cutting edge 01 is used for cutting off waste material.
But, the waste knife of prior art produces tiny material slag when cutting off waste material during deburring,
Material slag is attached to die face, causes mould to weigh wounded, and surface quality of workpieces is produced impact, makes
User is become greatly to complain.For solving material slag problem, take in industry to install additional that trachea is advertised etc. mode drops more
The impact of low material slag, but the method not only increases manufacturing cost and complexity, and material slag cleaning is the most thorough
The end.
In sum, how to efficiently solve when waste knife cuts off waste material and be easily generated material slag and then affect zero
The problems such as part surface quality, are current those skilled in the art's urgent problems.
Utility model content
In view of this, first purpose of the present utility model is to provide a kind of Trimming Die scrap cutter,
The structure design of this Trimming Die scrap cutter can efficiently solve when waste knife cuts off waste material and be easily generated
Material slag in turn results in the problem on surface quality of workpieces impact, and second purpose of the present utility model is to carry
For a kind of Trimming Die including above-mentioned Trimming Die scrap cutter.
In order to reach above-mentioned first purpose, this utility model following technical scheme of offer:
A kind of Trimming Die scrap cutter, including the cutting edge for being cut off by waste material, described cutting edge is close
One end of trimming line is provided with the breach of the predetermined width for making described waste material marginal laceration.
Preferably, in above-mentioned Trimming Die scrap cutter, the shape of described cutting edge and described scraped surface
Shape identical.
Preferably, in above-mentioned Trimming Die scrap cutter, described breach is L-shaped.
Preferably, in above-mentioned Trimming Die scrap cutter, described breach is stepped, and described breach
The width of opening more than the width of bottom of described breach, the width of described opening is described pre-
If width.
Preferably, in above-mentioned Trimming Die scrap cutter, described predetermined width is not more than 2mm.
Preferably, in above-mentioned Trimming Die scrap cutter, the degree of depth of described breach is not more than 10mm.
Preferably, in above-mentioned Trimming Die scrap cutter, including the part symbol shape face for location, institute
Stating part symbol shape face identical with described scraped surface shape, the edge in described part symbol shape face is described sword
Mouthful.
Preferably, in above-mentioned Trimming Die scrap cutter, the bottom surface of described breach is by described cutting edge place
End face tilt towards the direction deviating from described cutting edge to relative another side.
Preferably, in above-mentioned Trimming Die scrap cutter, including cutter hub portion with for fixing described cutter hub
The connecting portion in portion, described connecting portion is connected L-shaped with described cutter hub portion, and described cutter hub portion is arranged
State cutting edge, described connecting portion offer multiple screw hole and multiple pin hole, and described screw hole with
The alternate setting of described pin hole.
The Trimming Die scrap cutter that this utility model provides includes cutting edge, and cutting edge is for cutting off waste material.
Cutting edge arranges the breach of predetermined width near the end of trimming line, and the setting of breach makes waste material cut with cutting edge
The waste material edge that while Duan, its breach is corresponding is torn.
The Trimming Die scrap cutter that application this utility model provides, in waste material cutting-off process, passes through
The effect of cutting edge, cuts off waste part corresponding for cutting edge.Owing to cutting edge sets near one end of trimming line
It is equipped with the breach of predetermined width, namely corresponding to waste material edge due to the setting of breach, can't
Shear force by cutting edge.Simultaneously because the waste part cut off by cutting edge produces crack, for
The most crisp waste material, at crack, the active force of fracture propagation makes waste material edge quilt under the effect of direct stress
Tear.Owing to the stress of edge is become direct stress from shear stress, for waste material marginal portion, cutting
Stress effect lower limb is easily generated material slag, and under direct stress effect, the change of Impact direction is greatly
Decrease the formation of material slag.Namely by the setting of cutting edge one end predetermined width breach so that waste material
Edge changed into tear severing by shearing severing, it is to avoid the generation of material slag, and then will not be to mould type
Face impacts, it is to avoid the surface quality of workpieces problem that thus causes.
In order to reach above-mentioned second purpose, this utility model additionally provides a kind of Trimming Die, and this is repaiied
Limit mould includes any of the above-described kind of Trimming Die scrap cutter.Due to above-mentioned Trimming Die scrap cutter
Having above-mentioned technique effect, the Trimming Die with this Trimming Die scrap cutter also should have accordingly
Technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, it is clear that
Ground, the accompanying drawing in describing below is only embodiments more of the present utility model, common for this area
From the point of view of technical staff, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Other accompanying drawing.
Fig. 1 is the structural representation of Trimming Die scrap cutter common in the art；
The structure of a kind of detailed description of the invention of Trimming Die scrap cutter that Fig. 2 provides for this utility model
Schematic diagram；
Fig. 3 is the plan structure schematic diagram of Fig. 2；
Fig. 4 is the main TV structure schematic diagram of Fig. 2.
In accompanying drawing, labelling is as follows:
Cutting edge 1, breach 2, part symbol shape face 3, cutter hub portion 4, connecting portion 5, screw hole 6, pin hole 7.
Detailed description of the invention
This utility model embodiment discloses a kind of Trimming Die scrap cutter, to avoid waste knife to cut off
Material slag is produced, it is ensured that surface quality of workpieces during waste material.
Below in conjunction with the accompanying drawing in this utility model embodiment, to the skill in this utility model embodiment
Art scheme is clearly and completely described, it is clear that described embodiment is only this utility model
A part of embodiment rather than whole embodiments.Based on the embodiment in this utility model, ability
The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise,
Broadly fall into the scope of this utility model protection.
Refer to a kind of concrete reality of Trimming Die scrap cutter that Fig. 2-Fig. 4, Fig. 2 provide for this utility model
Execute the structural representation of mode；Fig. 3 is the plan structure schematic diagram of Fig. 2；Fig. 4 is the main TV structure of Fig. 2
Schematic diagram.
In a kind of detailed description of the invention, the Trimming Die scrap cutter that this utility model provides includes sword
Mouth 1, cutting edge 1 is for cutting off waste material.Cutting edge 1 arranges the breach of predetermined width near one end of trimming line
2, the setting of breach 2 makes waste material be torn with the waste material edge of breach 2 correspondence while cutting edge 1 cut-out.
It should be noted that trimming line herein refers to decide to obtain the inside and outside contour shape of part
The boundary falling unnecessary shape beyond pre-reservation part (addendum such as binder surface etc.) for stamping-out
Line.Cutting edge 1 is near one end of trimming line i.e. one end of the close Trimming Die edge iron of cutting edge 1.
One end herein refers to the end along cutting edge bearing of trend.Breach 2 refers to that cutting edge 1 is not extended to edge, and
It is the vacancy leaving predetermined width in its end, thus when cutting edge 1 acts on waste material, breach 2 part is not
Can cut off due to the shear action of cutting edge 1, but be torn due to the extension of crackle.Scrap cutter
During effect, breach 2 is corresponding to the edge of waste material.The width of breach 2 is cutting edge bearing of trend, tool
The size of body predetermined width can be configured according to practical situation, such as the thickness according to waste material, toughness
Arranging etc. factor, during so that scrap cutter acts on waste material, cutting edge 1 cuts off the same of corresponding waste part
Time, the waste material edge of breach 2 correspondence can be torn due to cracks can spread, reaches overall cut-out waste material
Purpose.Certainly, as required, the width at breach 2 can not make waste material edge due to cracks can spread quilt
During tear, it is also possible to further by making it disconnect the modes such as junction, waste material edge manually tear.
For the other end of cutting edge 1, namely deviate from trimming line or one end of Trimming Die edge iron, also
Breach 2 can be set, with to waste material marginal laceration severing.But it is general, due to the one end away from mould
Produce material slag little on the impact of mould, part profile quality can't be caused to affect, thus breach 2 is arranged
In cutting edge 1 near one end of trimming line, in order to the processing and manufacturing of scrap cutter.
The Trimming Die scrap cutter that application this utility model provides, in waste material cutting-off process, passes through
The effect of cutting edge 1, cuts off the waste part of cutting edge 1 correspondence.Owing to cutting edge 1 is near one end of trimming line
It is provided with the breach 2 of predetermined width, namely corresponding to waste material edge due to the setting of breach 2, and
Will not be by the shear force of cutting edge 1.Simultaneously because the waste part cut off by cutting edge 1 produces crack,
For the most crisp waste material, at crack, the active force of fracture propagation makes waste material edge in the effect of direct stress
Under be torn.Owing to the stress of edge is become direct stress from shear stress, for waste material marginal portion,
It is easily generated material slag at shear stress effect lower limb, and under direct stress effect, the change pole of Impact direction
The big formation decreasing material slag.Namely by the setting of cutting edge 1 one end predetermined width breach 2, make
Tear severing is changed into by shearing severing in waste material edge, it is to avoid the generation of material slag, and then will not be right
Die face impacts, it is to avoid the surface quality of workpieces problem that thus causes.
Further, the shape of cutting edge 1 can be identical with scraped surface shape, and namely cutting edge 1 is symbol
Shape face cutting edge, fast and effeciently to cut waste material.Certainly, as required to T-shaped cutting edge
Its one end can also be set there is breach 2, specifically can select according to practical situation.
The effect of breach 2 is for leaving space when cutting waste material at waste material edge, by waste material edge
Shearing severing be converted into tear severing, it is to avoid material slag generation.Concrete shape for breach 2 is permissible
Do not limit, only it need to be made to be opened in cutting edge 1 one end near trimming line.Further, in order to
It is easy to the processing of scrap cutter, breach 2 can be set to L-shaped breach 2, namely cutting edge 1 end
Section edges line is L-shaped.I.e. it is processed to form the vacancy of L-shaped by cutting etc. in one end of cutting edge 1, the most just
It is that groove is set in one end of cutting edge 1.The breach 2 of L-shaped is easy to process, it is simple to the production of scrap cutter.
Meanwhile, L-shaped is arranged, and in the case of its plane can produce there being material slag, plays certain material slag and collects
Effect, it is to avoid the material slag falling mould of generation, causes the adverse effect to part profile quality.
Further, the predetermined width of breach is not more than 2mm, generally may be configured as 1mm-2mm.When
So, for the breach 2 on its cutting edge 1 of a certain scrap cutter, the width of breach 2 is a value determined,
And this value is in above-mentioned numerical range.Predetermined width is set to no more than 2mm, on the one hand can protect
Card waste material edge is torn when scrap cutter cuts off corresponding waste material, the most also makes to tear the portion of severing
Divide and maximize, with the further generation reducing material slag.Certainly, some special waste material etc. also may be used
So that above-mentioned predetermined width is suitably adjusted.
Concrete, the degree of depth of breach 2 could be arranged to no more than 10mm.It is arranged such, on the one hand energy
Enough ensureing that the waste material edge of breach 2 correspondence is torn, on the other hand, the intensity of scrap cutter entirety is with just
Degree is affected less by breach 2, to ensure that it has enough mechanical performances.Certainly, according to specific needs
Suitably can also be adjusted the degree of depth of breach 2, here is omitted.
In order to be further ensured that the adverse effect avoiding expecting slag, can breach 2 be set to stepped, i.e.
The edge line of breach 2 is stepped.Namely the inwall of breach 2 includes step surface, and the opening of breach 2
The width of end more than the width of breach 2 bottom, the namely distribution of ladder be by the inside of waste knife towards
End, the width of opening is predetermined width.And then stair-stepping its opening of breach 2 is at sword
Mouthful 1 forms vacancy when acting on waste material, and with by waste material marginal laceration, arranging of step surface can be by simultaneously
The material slag produced is collected, it is to avoid material slag falls to mould.Meanwhile, by the setting in multi-stage stairs face,
Effectively buffering expects collision when slag drops with step surface, still has next when material slag ejects due to collision
The step surface of level is used for collecting material slag, thus more effectively avoids dropping of material slag.
On the basis of the various embodiments described above, the Trimming Die scrap cutter that this utility model provides includes
Part symbol shape face 3 for location, part symbol shape face 3 is identical with scraped surface shape, part symbol shape face 3
Edge be cutting edge 1.Due to part symbol shape face 3 and scraped surface shape just as, enter at scrap cutter
During row dissection, part symbol shape face 3 can be good at fitting with scraped surface, positions waste material,
It is avoided to be subjected to displacement under cutting edge 1 acts on.The width in part symbol shape face 3 can be according to the shape of waste material
Etc. being configured, allow it to give full play to the support to waste material and positioning action.
Further, breach 2 includes and part at the edge line in the cross section being perpendicular to cutting edge 1 bearing of trend
Top edge line that symbol shape face 3 shape is consistent and the lower limb line relative with top edge line, and lower limb line by
Cutting edge 1 end tilts to the other end towards the direction deviating from cutting edge 1.Namely on the longitudinal section at breach 2,
Its top edge line is i.e. positioned at the edge line on part symbol shape face 3, the lower limb line i.e. bottom edge of breach 2
Line, lower limb line is tilted to the direction deviating from cutting edge 1 by cutting edge 1 end to the other end, i.e. the degree of depth of breach 2
It is gradually increased to opposite side by cutting edge 1 side.Namely the bottom surface of breach 2 is by the end face at cutting edge 1 place
The inclined-plane that the direction of cutting edge 1 tilts is faced away to another, and then in scrap cutter work process, just
In observing the Splitting at waste material edge at breach 2, pay no attention in the corresponding waste material marginal laceration effect of breach 2
Pass through when thinking to adjust breach 2 width or active position in time, it is ensured that waste material cutting effect.
Concrete, Trimming Die scrap cutter includes cutter hub portion 4 and connecting portion 5.Cutter hub portion 4 is main to be used
In cutting waste material, cutting edge 1 is arranged in cutter hub portion 4.Connecting portion 5 for the installation of scrap cutter, as with
The assembling of Trimming Die.Cutter hub portion 4 is L-shaped with connecting portion 5, and concrete the two can be integral type structure,
It can also be the split-type structural connected by conventional fixing connected mode.It is provided with spiral shell on connecting portion 5
Nail 6 and pin hole 7, it is simple to the installation of scrap cutter and dismounting.Concrete screw hole 6 and pin hole 7
All could be arranged to multiple, to ensure connection reliability.And for the ease of connect time location and improve
Bonding strength, screw hole 6 can alternate be arranged with pin hole 7.
In order to improve the intensity of scrap cutter, it is ensured that it does not deforms upon when cutting waste material, Ke Yijin
One step arranges reinforcement between cutter hub portion 4 and connecting portion 5, concrete such as triangle reinforcement, so that
Overall structure is the most firm, it is simple to the cutting to waste material.General reinforcement can be arranged at waste material and cut
The central authorities of cutter, can also arrange reinforcement as required to strengthen in the end of breach 2 correspondence.Reinforcement
Number can according to intensity need be configured.Certainly intensity need can also be met being not provided with reinforcement
In the case of asking, it is also possible to reinforcement is the most additionally set.
Based on the Trimming Die scrap cutter provided in above-described embodiment, this utility model additionally provides one
Planting Trimming Die, this Trimming Die includes any one Trimming Die scrap cutter in above-described embodiment.
The Trimming Die scrap cutter in above-described embodiment is have employed due to this Trimming Die, so this trimming die
The beneficial effect of tool refer to above-described embodiment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being all the difference with other embodiments, between each embodiment, identical similar portion sees mutually i.e.
Can.And all can individually limit therein one about the restriction of blade shape, the restriction etc. of notch geometry
Item or multinomial, the new technical scheme thus formed also should be in the protection domain of the application.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or makes
Use this utility model.Multiple amendment to these embodiments for those skilled in the art will
Being apparent from, generic principles defined herein can be without departing from spirit of the present utility model
Or in the case of scope, realize in other embodiments.Therefore, this utility model will not be limited
In the embodiments shown herein, and it is to fit to and principles disclosed herein and features of novelty phase
The widest consistent scope.
Claims (10)
1. a Trimming Die scrap cutter, including the cutting edge for being cut off by waste material, it is special
Levying and be, described cutting edge is provided with near one end of trimming line for making described waste material marginal laceration
The breach of predetermined width.
Trimming Die scrap cutter the most according to claim 1, it is characterised in that institute
The shape stating cutting edge is identical with the shape of described scraped surface.
Trimming Die scrap cutter the most according to claim 1, it is characterised in that institute
State breach L-shaped.
Trimming Die scrap cutter the most according to claim 1, it is characterised in that institute
State breach stepped, and the width of the opening of described breach is more than the bottom of described breach
Width, the width of described opening is described predetermined width.
Trimming Die scrap cutter the most according to claim 1, it is characterised in that institute
State predetermined width and be not more than 2mm.
Trimming Die scrap cutter the most according to claim 5, it is characterised in that institute
The degree of depth stating breach is not more than 10mm.
7., according to the Trimming Die scrap cutter described in any one of claim 1-6, its feature exists
In, including the part symbol shape face for location, described part symbol shape face and described scraped surface shape
Shape is identical, and the edge in described part symbol shape face is described cutting edge.
Trimming Die scrap cutter the most according to claim 7, it is characterised in that institute
The bottom surface stating breach is deviated from described cutting edge by the end face at described cutting edge place to relative another side court
Direction tilt.
Trimming Die scrap cutter the most according to claim 7, it is characterised in that bag
Include cutter hub portion and for fixing the connecting portion in described cutter hub portion, described connecting portion and described cutter hub portion
Connect L-shaped, described cutter hub portion is provided with described cutting edge, described connecting portion offers many
Individual screw hole and multiple pin hole, and described screw hole and the alternate setting of described pin hole.
10. a Trimming Die, it is characterised in that include upper mold waste knife and lower mold waste knife,
At least one in described upper mold waste knife and described lower mold waste knife is appointed for such as claim 1-9
One described Trimming Die scrap cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356361.4U CN205702025U (en) | 2016-04-25 | 2016-04-25 | Trimming Die scrap cutter and Trimming Die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356361.4U CN205702025U (en) | 2016-04-25 | 2016-04-25 | Trimming Die scrap cutter and Trimming Die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205702025U true CN205702025U (en) | 2016-11-23 |
Family
ID=57293393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620356361.4U Active CN205702025U (en) | 2016-04-25 | 2016-04-25 | Trimming Die scrap cutter and Trimming Die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205702025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282746A (en) * | 2017-07-31 | 2017-10-24 | 昆山信杰汽车部件有限公司 | A kind of diel for possessing waste knife |
| CN108941310A (en) * | 2018-05-23 | 2018-12-07 | 华中科技大学鄂州工业技术研究院 | A kind of manufacturing process and equipment improving fine part tooth tip thickness |
-
2016
- 2016-04-25 CN CN201620356361.4U patent/CN205702025U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282746A (en) * | 2017-07-31 | 2017-10-24 | 昆山信杰汽车部件有限公司 | A kind of diel for possessing waste knife |
| CN107282746B (en) * | 2017-07-31 | 2019-04-09 | 昆山信杰汽车部件有限公司 | A kind of stamping die having waste knife |
| CN108941310A (en) * | 2018-05-23 | 2018-12-07 | 华中科技大学鄂州工业技术研究院 | A kind of manufacturing process and equipment improving fine part tooth tip thickness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7931224B2 (en) | Round cutter-blade of a paper shredder | |
| CN104625644B (en) | A kind of processing method of mobile phone metal edge frame | |
| CN205702025U (en) | Trimming Die scrap cutter and Trimming Die | |
| CN103521598B (en) | Deburring waste knife and Trimming Die | |
| CN103936272A (en) | Cutting method for large-area toughened glass substrate | |
| CN103568034B (en) | A kind of comb teeth-shaped blade structure and processing method | |
| CN106003199B (en) | A kind of many knife plate dividing machines for preventing pcb board from deforming | |
| CN205704490U (en) | Zigzag mode cutting knife for corrugated paper processing | |
| CN102371475A (en) | Technology for machining paper-shredding cutter blade | |
| CN105834294A (en) | Progressive die punching process cutter joint burr processing device and process | |
| WO2010100019A3 (en) | Method and device for producing a profile on a sheet metal part, and sheet metal part that can be produced according to the method | |
| CN201711584U (en) | Milling cutter blade | |
| CN103521640B (en) | Blade for shredding paper punch forming processing method | |
| CN201997780U (en) | Rough face milling cutter blade | |
| CN207448672U (en) | A kind of thermal insulation board shaving die | |
| CN105058003B (en) | A kind of processing technology of full flange kneader bar | |
| CN105522596A (en) | Personal care trimmer with high-reliability cutting edges and manufacturing method for personal care trimmer | |
| CN219004811U (en) | Cutting die capable of improving pole piece lug cracking | |
| CN205033437U (en) | Tire grainer | |
| CN202114764U (en) | Punching cutting knife | |
| CN201257546Y (en) | Old-shearing top blade of cold-shearing machine | |
| CN201783999U (en) | Etching knife slitting steel mold | |
| CN211304408U (en) | Guardrail plate die cutter positioning structure | |
| CN207071657U (en) | It is double to cut edger | |
| CN109702233B (en) | Base plate is used in cutter processing convenient to welding, cutting and planing sword |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |