CN204817652U - Mould of reducible chain piece contact - Google Patents

Mould of reducible chain piece contact Download PDF

Info

Publication number
CN204817652U
CN204817652U CN201520582530.1U CN201520582530U CN204817652U CN 204817652 U CN204817652 U CN 204817652U CN 201520582530 U CN201520582530 U CN 201520582530U CN 204817652 U CN204817652 U CN 204817652U
Authority
CN
China
Prior art keywords
chain sheet
clout
son
contact
centres
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
Application number
CN201520582530.1U
Other languages
Chinese (zh)
Inventor
吴能家
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KMC Chain Industrial Co Ltd
Original Assignee
KMC Chain Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KMC Chain Industrial Co Ltd filed Critical KMC Chain Industrial Co Ltd
Priority to CN201520582530.1U priority Critical patent/CN204817652U/en
Application granted granted Critical
Publication of CN204817652U publication Critical patent/CN204817652U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a mould of reducible chain piece contact can cut out several ingress chain piece and several clout chain piece on a slice steel band, its contain a lower mould unit, one can for this lower mould unit by close and the detached on the mould unit to and one installed the die -cut mechanism on the mould unit at this shang, this die -cut mechanism include the several can be on this steel band respectively fenestrate punching a hole of die -cut play hit son, a shaping the son is hit in the unloading of chain piece of ingressing to and at least one cuts out the son is hit on the limit of cutting of clout chain piece, it hits the son and has two at least vicinities to cut the limit a line of centres's of clout chain piece contact is cut edge to and a connection is in between cutting edge, the contact forms the profile of clout chain piece profile is cut edge. Through the change of aforementioned structure, can cut out that the contact is less, the appearance profile is pleasing to the eye to and avoid stress concentration's clout chain piece.

Description

The mould of chain sheet contact can be reduced
Technical field
The utility model relates to a kind of mould, particularly relates to one and is used for producing chain sheet, and can reduce the mould of the number of connections that chain sheet produces when cutting.
Background technology
Consult Fig. 1,2, chain piece making method was in order to reduce waste material and save material cost in the past, normally drive a slice steel band 10 to cut direction 11 interval along one to advance, recycle the pressing up and down of not shown mould, this steel band 10 punches out several chain sheet 13 and several clout chain sheet 14 of ingressing.That is, during fabrication, first utilize several punchings of this mould to hit son and go out several spaced perforation 12 on this steel band 10, then, the wherein chain sheet 13 of ingressing of two utilizing one of this mould to ingress to hit son to cut out correspondence on this steel band 10 to contain described perforation 12, after cutting, the void region 101 of chain sheet 13 of ingressing described in several correspondence can be formed on this steel band 10, and the clout region 102 of several position between described void region 101.Finally, this mould clout is utilized to hit son, the described clout region 102 of this steel band 10 punches out described clout chain sheet 14 respectively, the edge of aforementioned clout chain sheet 14 with adjacent described in ingress chain sheet 13 wherein two overlapping, and each clout chain sheet 14 has the silhouette edge 141 of two arcs.
The mould of chain piece making method and cooperation in the past, although each position of this steel band 10 can be made full use of, to reduce material cost, but the process manufactured, described chain sheet 13 of ingressing is when shaping, owing to being utilize this to ingress to hit son to cut on complete steel band 10 to form, thus described in the profile of chain sheet 13 after cutting of ingressing quite complete, attractive in appearance.But when shaping described clout chain sheet 14, because the described silhouette edge 141 of each clout chain sheet 14 is overlapping with one of them of described chain sheet 13 of ingressing respectively, therefore, in die-cut process, the silhouette edge 141 of each clout chain sheet 14 can be knocked twice, not only have the problem that stress is concentrated, also correspondingly on the described silhouette edge 141 of every sheet clout chain sheet 14 can form two not too smooth contacts 142.Not only quantity is many, aesthetic property is poor for aforementioned contact 142, and due to the described contact 142 just in time region that abuts against at the sprocket of this clout chain sheet 14 and sprocket wheel, position, therefore these contacts 142 also can interfere with the smooth movements of the chain assembling described clout chain sheet 14.
Summary of the invention
It is attractive in appearance that the purpose of this utility model is to provide a kind of appearance profile, and can avoid the mould of the reduced chain sheet contact that running is interfered and stress is concentrated.
Mould of the present utility model can drive a slice steel band to cut direction advance along one, and on this steel band, cut out several spaced chain sheet of ingressing, and several respectively with adjacent wherein two adjacent clout chain sheets in described chain sheet of ingressing, each clout chain sheet has two perforation, the central point of described perforation all drops on a line of centres, described clout chain sheet also has two and joins at this line of centres place contiguous and be positioned at the silhouette edge of this line of centres opposition side again, described chain sheet of ingressing also all has two perforation, one of them feature of the present utility model is, this mould comprises the lower die unit that is used for carrying this steel band, one can with this lower die unit pressing and the upper die unit of separating, and a punching mechanism be arranged in this upper die unit, this punching mechanism comprises several the punchings that can punch out described perforation on this steel band respectively and hits son, one can punch out on this steel band described in the ingress blanking of chain sheet hit son, and first cutting edge hits son, this first cutting edge is hit son and is had two and cut face, eachly cut the first contact trimming that face has this line of centres of two vicinity described clout chain sheets, and one forms the first profile trimming of one of them of the described silhouette edge of described clout chain sheet between described first contact trimming.
Another feature of the utility model mould is, two rows can be cut out cut the clout chain sheet at interval, direction along this on this steel band, and one ranking between described clout chain sheet and the chain sheet of ingressing at interval, this mould is also include this lower die unit, this upper die unit and this punching mechanism, this punching mechanism hits son except comprising this punching, son is hit in this blanking and this first cutting edge is hit outside son, also comprise two the second cutting edges and hit son, the second contact trimming that son has this line of centres of two vicinity described clout chain sheets is hit in each second shearing, and a second profile trimming cutting one of them of the described silhouette edge of described clout chain sheet.
Mould described in the utility model, described in cut face the first contact trimming all drop on this line of centres, and described second to shear the second contact trimming of hitting son be also drop on this line of centres.
Mould described in the utility model, this first cutting edge hit son also have two with the described end face cutting face and be connected, aforementioned end face cuts direction perpendicular to this.
Mould described in the utility model, this upper die unit comprises the installing plate of this punching mechanism of confession erection, this installing plate has first side, second side, and one perpendicular to separated time in this first side and this second side, and this first cutting edge hits the described end face of son perpendicular to separated time in this.
Mould described in the utility model, each face that cuts that this first cutting edge hits son also has the extending contour trimming of two positions in described first contact trimming opposition side.
Mould described in the utility model, described second cutting edge hits separated time opposition side in this, sub symmetrical position, and described second contact trimming is parallel to separated time in this, and this second profile trimming is towards separated time in this.
Mould described in the utility model, the line of centres of described clout chain sheet cuts direction relative to this.
Mould described in the utility model, this punching mechanism also comprises a shape and all identical with described chain sheet of the ingressing auxiliary guide column of size.
The effect that the utility model is useful is: utilize described cutting edge to hit the cooperation of son, less and the clout chain sheet that appearance profile is comparatively attractive in appearance of contact can be cut out on this steel band, and therefore can improve the disappearance that the issuable interference in the running of described clout chain sheet and stress concentrates.
Accompanying drawing explanation
Fig. 1 is a kind of manufacture schematic diagram of the sheet of chain in the past, and shaping several chain sheet and several clout chain of ingressing on a slice steel band is described;
Fig. 2 is a close-up schematic view of Fig. 1;
Fig. 3 is the three-dimensional exploded view of first embodiment of the utility model mould, and the relativeness of this mould and a slice steel band is described;
Fig. 4 is one and cuts schematic diagram, and this first embodiment of aid illustration carries out situation about cutting on this steel band;
Fig. 5 is a partial enlarged drawing, main illustrates that this steel band and two panels are ingressed the relativeness of chain sheet and a slice clout chain sheet;
Fig. 6 is a combination schematic side view of this first embodiment;
Fig. 7 is a partial bottom view of this first embodiment, the main punching mechanism that this mould is described;
Fig. 8 is the three-dimensional exploded view of second embodiment of the utility model mould;
Fig. 9 be a similar Fig. 4 cut schematic diagram, this second embodiment of the utility model is described.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
Consult Fig. 3,4,5, first embodiment of the utility model mould can cut out the clout chain sheet 21 be spaced about two rows on a slice steel band 20, and one ranking between described clout chain sheet 21 and the chain sheet 22 of ingressing be spaced, this steel band 20 can be cut direction 23 interval by driving along one and advance, described clout chain sheet 21 and described in chain sheet 22 of ingressing be all cut direction 23 be spaced along this.Every sheet clout chain sheet 21 all has two and cuts the spaced perforation 211 in direction 23 along this, the central point of described perforation 211 all drops on a line of centres 213, every sheet clout chain sheet 21 also all has the first silhouette edge 214 of one of them of chain sheet 22 of ingressing described in a vicinity, and second silhouette edge 215 at this steel band 20 edge of vicinity, this first silhouette edge 214 and this second silhouette edge 215 are in this line of centres 213 opposition side, and in this line of centres 213 place contiguous handing-over, be preferably and join at this line of centres 213 place.Each chain sheet 22 of ingressing has two perforation 221.
Consult Fig. 3,6,7, this mould of the present embodiment comprises: lower die unit 3, being used for carrying this steel band 20 can and this lower die unit 3 pressing and the upper die unit 4 of separating, and one to be arranged in this upper die unit 4 and be used for shaping described in ingress the punching mechanism 5 of chain sheet 22 and described clout chain sheet 21.This lower die unit 3 comprise a long rectangle die shoe 31, several up to be given prominence to by this die shoe 31 and to be close to the superimposed lower bolster 33 of the guide posts 32 in corner, a slice and this die shoe about 31, and one clamps the guide plate 34 of this steel band 20 jointly with this lower bolster 33.
This lower bolster 33 has one and plays initial line 331, and this plays the termination limit 332 at initial line 331 interval, and several interval play the through hole 330 between initial line 331 and this termination limit 332 between this, the position of described through hole 330, shape and size and this punching mechanism 5 coordinate, but the design due to aforementioned through-hole 330 is not the utility model improvement emphasis, no longer describes in detail.And this die shoe 31 has material-dropping hole 310 corresponding to several and described through hole about 330, described guide plate 34 has guide hole 340 corresponding to several and described through hole about 330.
This upper die unit 4 of the present embodiment comprises one and is guided and liftable upper bolster 41 by described guide posts 32, severally to be set in described guide posts 32 and the spring 44 of this upper bolster 41 reset response power is provided, the backing plate 42 of position bottom this upper bolster 41, and at least one is positioned at the installing plate 43 bottom this backing plate 42, this installing plate 43 has one and plays the first side 431 corresponding to initial line 331 with this of this lower bolster 33, second side 432 corresponding with this termination limit 332 of this lower bolster 33, and one perpendicular to separated time 433 in this first side 431 and this second side 432.
Consult Fig. 3,4,7, this punching mechanism 5 is arranged on this installing plate 43 of this upper die unit 4, and sequentially can pass corresponding up and down described guide hole 340, described through hole 330 and the described material-dropping hole 310 of this lower die unit 3.The punching that this punching mechanism 5 comprises this first side 431 of this installing plate 43 of several vicinities is hit the first cutting edge that blanking that son 51, two described punchings of vicinity hit guide rod 52, described guide rod 52 of vicinity of son 51 hits this second side 432 of son 53, this installing plate 43 of vicinity and is hit son 54, and two are hit son 54 and this blanking second cutting edge of hitting between son 53 hits son 55 between this first cutting edge.Son 53 is hit in this blanking and this first cutting edge hits the middle separated time 433 that son 54 all crosses over this installing plate 43, and described second cutting edge hits son separated time 433 opposition side in this, 55 symmetrical positions.In design, this upper die unit 4 of the utility model also can comprise several installing plate 43, and son 51 is hit in described punching, son 53 is hit in described guide rod 52, this blanking, this first cutting edge hits son 54, and described second cutting edge is hit son 55 and is arranged on respectively on described installing plate 43.
Punching described in the present embodiment hit son 51 can punch out on this steel band 20 described in ingress the described perforation 221 of chain sheet 22 and the described perforation 211 of described clout chain sheet 21, boring a hole described in the present embodiment 211,221 is that punching is shaping at twice.And the appearance profile that son 53 is hit in this blanking coordinates with this chain sheet 22 of ingressing, and can in a punching course, the wherein a slice of chain sheet 22 of ingressing described in this steel band 20 cuts out.
This first cutting edge hits the face that cuts 540 that son 54 has separated time 433 opposition side in this, two positions, and two perpendicular to separated time in this 433 and with the described end face 544 cutting face 540 and be connected.Each cut face 540 have two be parallel to separated time 433 in this and between left and right every the first contact trimming 541, be connected to the first profile trimming 542 between described first contact trimming 541 and two the extending contour trimmings 543 of position in described first contact trimming 541 opposition side.And described second cutting edge is hit son and 55 is all had two spaced second contact trimmings 551, and a second profile trimming 552 be connected between described second contact trimming 551, above-mentioned first contact trimming 541 and described second contact trimming 551, all be close to the line of centres 213 of one of them of described clout chain sheet 21, be preferably and drop on this line of centres 213, the arc curvature that described first cutting edge hits the first profile trimming 542 of son 54 coordinates with the first silhouette edge 214 of described clout chain sheet 21, and the arc curvature that described second cutting edge hits the second profile trimming 552 of son 55 coordinates with the second silhouette edge 215 of described clout chain sheet 21.
This mould of the present embodiment in use, utilize described punching hit son 51 first cut out on this steel band 20 described clout chain sheet 21 perforation 211 and described in ingress the perforation 221 of chain sheet 22, and utilize this blanking hit son 53 cut out described in ingress chain sheet 22, when corresponding described second cutting edge of this steel band 20 hits son 55 and this first cutting edge hits sub 54, waste material corresponding to several pieces shapes 201 can be cut out on this steel band 20, after waste material 201 cuts, remaining part is exactly described clout chain sheet 21.Specifically, the mould of the present embodiment be utilize this blanking to hit son 53 is direct and complete cut out described in ingress chain sheet 22, and manufacture described clout chain sheet 21 in the mode cutting described waste material 201.
From illustrating above, the present embodiment utilize described blanking hit son 53 cut described in ingress chain sheet 22, shaping rear described in the ingress appearance profile of chain sheet 22 not only complete, attractive in appearance, also can not produce the problem that stress is concentrated.And in the process of shaping described clout chain sheet 21, the described first contact trimming 541 of hitting son 54 due to this first cutting edge drops on this line of centres 213, the second contact trimming 551 that described second cutting edge hits son 55 is also that position is on this line of centres 213, therefore, when shaping described clout chain sheet 21, only can produce the contact 216 of two positions on this line of centres 213, the quantity of aforementioned contact 216 is not only kept to two, and it is more attractive in appearance, because described contact 216 is all be close to or drop on to produce on this line of centres 213 of interference with sprocket wheel, therefore when described clout chain sheet 21 to be arranged on a chain and to engage with a sprocket wheel, the contact 216 of aforementioned clout chain sheet 21 can't produce interference, as long as it is just plastic that the periphery due to described clout chain sheet 21 is subject to one-step punching, therefore stress also can be avoided to concentrate.
Consult Fig. 8,9, second embodiment of the utility model mould can punch out several spaced chain sheet 22 of ingressing on this steel band 20, and several clout chain sheet 21 wherein between two adjacent in described chain sheet 22 of ingressing respectively, chain sheet 22 of ingressing described in first silhouette edge 214 of described clout chain sheet 21 and the second silhouette edge 215 are also adjacent with this is respectively overlapping, described in ingress chain sheet 22 and described clout chain sheet 21 be parallel to each other.The difference of this second embodiment of the utility model and the first embodiment is: the line of centres 213 of described clout chain sheet 21 tilts relative to the direction 23 that cuts of this steel band 20.
This mould of the present embodiment is also comprise a lower die unit 3, a upper die unit 4, and a punching mechanism 5 be arranged on this installing plate 43 of this upper die unit 4, this punching mechanism 5 comprises several Zhi Chongkong and hits son 51, two guide rods 52, son 53 is hit in a blanking, an auxiliary guide column 56, and first cutting edge hits son 54, it is identical that son 53 is hit in the shape of this auxiliary guide column 56 and size and this blanking, object is this steel band 20 of auxiliary positioning, and this first cutting edge is hit son and 54 is had the end face 544 being parallel to this and cutting direction 23, and two faces that cut 540 be connected between described end face 544, each face 540 that cuts has the first contact trimming 541 of two positions on the line of centres 213 of one of them of described clout chain sheet 21, and a first profile trimming 542 be connected between described first contact trimming 541, aforementioned first profile trimming 542 is used for cutting this first silhouette edge 214 or this second silhouette edge 215 of described clout chain sheet 21.That is, this first cutting edge hit son 54 described end face 544 be parallel to this installing plate 43 this in separated time 433.
This second embodiment of the utility model is when cutting described clout chain sheet 21, this first silhouette edge 214 of described clout chain sheet 21 and the integrality of this second silhouette edge 215 can be kept equally, and allow die-cut produced contact 216 quantity reduce to two, be close to simultaneously or drop on the line of centres 213 of described clout chain sheet 21, therefore this second embodiment of the utility model be also have attractive in appearance, can not running be interfered, and effect avoiding stress to concentrate etc.

Claims (10)

1. one kind can be reduced the mould of chain sheet contact, the clout chain sheet that two rows cut direction be spaced along one can be cut out on a slice steel band, and one row adjoin and the chain sheet of ingressing be spaced with described clout chain sheet, every sheet clout chain sheet all has two perforation, the central point of described perforation all drops on a line of centres, each clout chain sheet also has two and joins at this line of centres place contiguous and be positioned at the silhouette edge of this line of centres opposition side, each chain sheet of ingressing has two perforation, and this mould comprises: a lower die unit being used for carrying this steel band, one can with this lower die unit pressing and the upper die unit of separating, and a punching mechanism be arranged in this upper die unit, this punching mechanism comprises several the punchings that can form described perforation on this steel band respectively and hits son, and one can punch out on this steel band described in the ingress blanking of chain sheet hit son, it is characterized in that:
This punching mechanism also comprises first cutting edge and hits son, and two the second cutting edges hit son, this first cutting edge is hit son and is had two and cut face, eachly cut the first contact trimming that face has this line of centres of two vicinity described clout chain sheets, and one forms the first profile trimming of one of them of the described silhouette edge of described clout chain sheet between described first contact trimming; And described second shears and hits son and all have the second contact trimming of this line of centres of two vicinity described clout chain sheets, and a second profile trimming cutting out one of them of the described silhouette edge of described clout chain sheet.
2. the mould reducing chain sheet contact according to claim 1, is characterized in that: described in cut face the first contact trimming all drop on this line of centres, and described second to shear the second contact trimming of hitting son be also drop on this line of centres.
3. the mould reducing chain sheet contact according to claim 1, is characterized in that: this first cutting edge hit son also have two with the described end face cutting face and be connected, aforementioned end face cuts direction perpendicular to this.
4. the mould reducing chain sheet contact according to claim 3, it is characterized in that: this upper die unit comprises the installing plate of this punching mechanism of confession erection, this installing plate has first side, second side, and one perpendicular to separated time in this first side and this second side, and this first cutting edge hits the described end face of son perpendicular to separated time in this.
5. the mould reducing chain sheet contact according to claim 4, is characterized in that: each face that cuts that this first cutting edge hits son also has the extending contour trimming of two positions in described first contact trimming opposition side.
6. the mould reducing chain sheet contact according to claim 5, is characterized in that: described second cutting edge hits separated time opposition side in this, sub symmetrical position, and described second contact trimming is parallel to separated time in this, and this second profile trimming is towards separated time in this.
7. one kind can be reduced the mould of chain sheet contact, several spaced chain sheet of ingressing can be cut out on a slice steel band, and several respectively with adjacent wherein two adjacent clout chain sheets in described chain sheet of ingressing, every sheet clout chain sheet all has two perforation, the central point of described perforation all drops on a line of centres, each clout chain sheet also has two and joins at this line of centres place contiguous and be positioned at the silhouette edge of this line of centres opposition side again, each chain sheet of ingressing has two perforation, and this mould comprises: a lower die unit being used for carrying this steel band, one can with this lower die unit pressing and the upper die unit of separating, and a punching mechanism be arranged in this upper die unit, this punching mechanism comprises several the punchings that can form described perforation on this steel band respectively and hits son, and one can punch out on this steel band described in the ingress blanking of chain sheet hit son, it is characterized in that:
This punching mechanism also comprises first cutting edge and hits son, this first cutting edge is hit son and is had two and cut face, eachly cut the first contact trimming that face has this line of centres of two vicinity described clout chain sheets, and position cuts out the first profile trimming of one of them of the described silhouette edge of described clout chain sheet between described first contact trimming.
8. the mould reducing chain sheet contact according to claim 7, is characterized in that: this steel band cuts direction along one and advances, and the line of centres of described clout chain sheet cuts direction relative to this.
9. the mould reducing chain sheet contact according to claim 8, is characterized in that: this punching mechanism also comprises a shape and all identical with described chain sheet of the ingressing auxiliary guide column of size.
10. the mould reducing chain sheet contact according to claim 9, it is characterized in that: this upper die unit comprises the installing plate of this punching mechanism of confession erection, this installing plate has second side at first side, an interval, and one perpendicular to separated time in this first side and this second side, and this first cutting edge of this punching mechanism is hit son and is also had the end face that two are parallel to separated time in this, described in cut face and be connected between described end face.
CN201520582530.1U 2015-08-05 2015-08-05 Mould of reducible chain piece contact Active CN204817652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520582530.1U CN204817652U (en) 2015-08-05 2015-08-05 Mould of reducible chain piece contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520582530.1U CN204817652U (en) 2015-08-05 2015-08-05 Mould of reducible chain piece contact

Publications (1)

Publication Number Publication Date
CN204817652U true CN204817652U (en) 2015-12-02

Family

ID=54675294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520582530.1U Active CN204817652U (en) 2015-08-05 2015-08-05 Mould of reducible chain piece contact

Country Status (1)

Country Link
CN (1) CN204817652U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112059101A (en) * 2020-08-20 2020-12-11 泉州台商投资区正港工业设计服务中心 Disposable punch forming device for chain plate production and punching method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112059101A (en) * 2020-08-20 2020-12-11 泉州台商投资区正港工业设计服务中心 Disposable punch forming device for chain plate production and punching method thereof

Similar Documents

Publication Publication Date Title
CN103260785B (en) Punch die of a punch press, die for deepening cutting, and method of forming long holes in a plate
CN205613918U (en) Hinge subassembly continuous stamping die behind automobile
CN208879475U (en) A kind of punching press for processing sheet metal component, Bending Mould
CN206663397U (en) A kind of rubber shaft bearing skeleton processing mold
CN204817652U (en) Mould of reducible chain piece contact
CN102133597B (en) 45-degree corner cutting and punching mould for doorframe semi-finished product
CN104624805A (en) Refrigerator rear plate blanking and flanging mould
CN208743487U (en) Reinforce the multi-functional automatic forming die of iron before and after rotary drum washing machine
CN106003199B (en) A kind of many knife plate dividing machines for preventing pcb board from deforming
CN203900256U (en) Continuous mold for fasteners
CN202762842U (en) Drawing mould with hole flanging function used for positioning following mould
CN206009560U (en) A kind of multi-station high efficient continuous blanking mould
CN101376147B (en) Method for forming parts
CN206632605U (en) A kind of modular shape drawer
CN105537413B (en) A kind of ladder side die cutting composite die
CN110978135A (en) Composite die for punching and cutting plastic suction products
CN104841763B (en) A kind of production method of kneader bar group
CN216389119U (en) Punching mechanism of dial switch automatic welding assembling machine
CN205378336U (en) Easy fashioned rigid -flex panel
CN204074929U (en) Torque converter blades Blanking Shaping mould
CN205386598U (en) A modulus of continuity for producing high strength lighter wind cap
CN220259323U (en) Stamping part trimming and punching composite die
CN211304408U (en) Guardrail plate die cutter positioning structure
CN104972057A (en) Chain sheet punching method
CN104416043B (en) The porous punching of a kind of saw blade processes forming method without particle

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant