CN107020322B - Manufacture the progressive die of bimetal plate bracket - Google Patents

Manufacture the progressive die of bimetal plate bracket Download PDF

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Publication number
CN107020322B
CN107020322B CN201610072530.6A CN201610072530A CN107020322B CN 107020322 B CN107020322 B CN 107020322B CN 201610072530 A CN201610072530 A CN 201610072530A CN 107020322 B CN107020322 B CN 107020322B
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CN
China
Prior art keywords
adjustable plate
linkage section
diel
progressive die
reference plane
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Active
Application number
CN201610072530.6A
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Chinese (zh)
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CN107020322A (en
Inventor
程相林
胡金利
潘秦妹
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Siemens Circuit Protection Systems Ltd
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Siemens Circuit Protection Systems Ltd
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Priority to CN201610072530.6A priority Critical patent/CN107020322B/en
Publication of CN107020322A publication Critical patent/CN107020322A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/08Dies with different parts for several steps in a process

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

Manufacture the progressive die of bimetal plate bracket comprising the first diel, the second diel, the first limit mold (36), the second limit mold (38), locating piece (35) and electric screw driver (37).First diel towards material strip there is stamped groove, the second diel can be moved relative to the first diel, and with the staking punch of the embedded stamped groove of matching.First limit mold towards material strip there is limiting slot (362), the second limit mold can be moved relative to the first limit mold, and with the spacing head (382) of the embedded limiting slot of matching.Locating piece can extend into the gap between the first adjustable plate (622) and the second adjustable plate (624) and be resisted against the second adjustable plate.Adjustment bolt (626) can be worn the first adjustable plate and be threaded io the second adjustable plate by electric screw driver, until the first adjustable plate is resisted against locating piece.Production efficiency can be improved in the above-mentioned progressive die, and trimmed size can be made consistent.

Description

Manufacture the progressive die of bimetal plate bracket
Technical field
The present invention relates to a kind of progressive die more particularly to a kind of progressive dies for producing bimetal plate bracket.
Background technology
To realize creepage protection function, bimetal leaf trip gear, bimetallic can be set in switching device such as breaker In piece trip gear, bimetal leaf is fixed by bimetal plate bracket, and bimetal leaf will appear deformation to realize when heated Trip action.
The manufacture craft of existing bimetal plate bracket needs to complete by progressive die, the progressive die from its feed end to its There are discharge end multiple stations, the mold on each station can realize different punching press actions successively.Make bimetal plate bracket When, by material strip from the feed end feeding of the progressive die, and material strip is moved along the direction of feed end to discharge end successively, often moves one Secondary, the mold on each station completes punching press action.Finally in the discharge end of the progressive die, material strip is struck out single one by one Only loose mail, each loose mail are a bimetal plate bracket.
As shown in Figure 1, there are one 62, foldings of positioning adjustment portion for the general tool successively of bimetal plate bracket 60 made from punching press The pilot arc that act as of turn of bilge 64 and a contact site 66, contact site 66 enters arc-chutes and positioning bi-metal stent, contact Portion 66 is for transmitting electric current, and for fixing bimetal leaf 70, positioning adjustment portion 62 has to be formed after punching press positioning adjustment portion 62 First adjustable plate 622 and the second adjustable plate 624, the first adjustable plate 622 is parallel with the contact site 66, the second adjustable plate 624 with There is certain gap between first adjustable plate 622 and can be connected by an adjusting bolt 626, turn adjusting bolt 626 Changeable gap size between first adjustable plate 622 and the second adjustable plate 624 fixes bimetallic with fine tuning positioning adjustment portion 62 The angle of piece 70.
The process for preparing above-mentioned bimetal plate bracket 60 refers to Fig. 2, and following five stations is needed to complete:First work Position 10, can bend out positioning adjustment portion 62 on material strip 80;Second station 20 can bend out the second bending on material strip 80 The 644, second linkage section 645 of section and third linkage section 647;3rd station 30, can be on material strip 80 relative to the second linkage section 645 bending third linkage sections 647;4th station 40 can bend out contact site 66,642 and of the first bending segment on material strip 80 First linkage section 643;5th station 50 can bend third linkage section 647 on material strip 80 relative to the second linkage section 645, To form the third bending part 646, and final bimetal plate bracket 60 is made.
And the needs of adjusting bolt 626 could be locked manually after the progressive die strikes out loose mail in material strip to loose mail, be made into Product.When artificial locking adjusting bolt 626, it is also necessary to use dedicated clamp loose mail, and so that loose mail is pressed from both sides by fixture shape Placement state of the bimetal plate bracket 60 in switching device tightly can be simulated in the state of fixture, spiral shell is adjusted to avoid in locking 60 external form of bimetal plate bracket is destroyed when bolt 626.
Artificial locking adjusting bolt 626 is required for operation fixture due to clamping loose mail every time, time-consuming and laborious, is not easy to slap The locking depth for controlling adjusting bolt 626, causes trimmed size inconsistent.
Invention content
The object of the present invention is to provide a kind of progressive dies of manufacture bimetal plate bracket, are greatly improved bimetal leaf branch The production efficiency of frame accurately controls the locking depth of adjusting bolt, keeps trimmed size consistent.
The present invention provides a kind of progressive dies of manufacture bimetal plate bracket, and bimetal plate bracket is by a material strip in a base Quasi- one feedstock direction of face upper edge is made through the continuous die stamping, and bimetal plate bracket has one successively on an extending direction A contact site, a bending part and a positioning adjustment portion.Contact site along extending direction extend, bending part have successively there are one with First bending segment of contact site connection, first linkage section, second bending segment, second linkage section, a third Bending segment, a third linkage section, wherein the first bending segment and the second bending segment are opposite with the overbending direction of third bending segment.It is fixed Position adjustment portion is connected to third linkage section, and there are one parallel with contact site for positioning adjustment portion tool for fixing bimetal leaf The first adjustable plate and second adjustable plate, the second adjustable plate and the first adjustable plate there is gap.Material strip prepares bimetal leaf The middleware of holder has successively:Positioned at the Ministry of worker to be added of reference plane, the second bending segment, the second linkage section, third linkage section and Position adjustment portion.To process middleware, the progressive die include first diel, second diel, one first Limit mold, second limit mold, a locating piece and an electric screw driver.First diel has towards material strip One stamped groove, stamped groove are formed by first stamping surface and second stamping surface, wherein the first stamping surface energy Enough fit in the second linkage section.Second diel can move on the direction perpendicular to reference plane relative to the first diel Dynamic, the second diel has the staking punch that can match embedded stamped groove, so that the second stamping surface pushes third linkage section It is bent relative to the second linkage section, and the second adjustable plate is made to be parallel to reference plane.First limit mold towards material strip have there are one Limiting slot, limiting slot is formed by first stop surface and second stop surface, wherein the first stop surface can paste Together in the second linkage section, the second stop surface can fit in third linkage section.Second limit mold can be perpendicular to benchmark It being moved relative to the first limit mold on the direction in face, the second limit mold has the spacing head that can match embedded limiting slot, So that spacing head is resisted against the second linkage section and third linkage section simultaneously.The positioning that locating piece can be parallel to reference plane along one Direction is moved, to stretch to the gap between the first adjustable plate and the second adjustable plate and be resisted against the second adjustable plate.Electric screw Knife can be moved perpendicular to the direction of reference plane, and an adjustment bolt is worn the first adjustable plate and is threaded io second Adjustable plate, until the first adjustable plate is resisted against locating piece.The progressive die of above-mentioned manufacture bimetal plate bracket, is greatly improved production Efficiency simultaneously ensures that product specification is consistent.
In a kind of exemplary embodiment of the progressive die of manufacture bimetal plate bracket, the progressive die further includes a promotion Part can be moved along a pushing direction perpendicular to reference plane, and there are one favour the first of pushing direction to impeller tool Promotion face, the first promotion face can push locating piece to be moved in orientation.It can be limited in the progressive die using such design Inner space in, operation of the reliable and stable realization to impeller.
In a kind of exemplary embodiment of the progressive die of manufacture bimetal plate bracket, there are one can be bonded locating piece tool Push face in first second pushes face.Precise manipulation of the impeller to locating piece is contributed to using such design.
In a kind of exemplary embodiment of the progressive die of manufacture bimetal plate bracket, the stamped groove of the first diel The first stamping surface and the second stamping surface between angle be 66.7 °.
Hereafter by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to manufacturing the holder of bimetal leaf Above-mentioned characteristic, technical characteristic, advantage and its realization method of the progressive die are further described.
Description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is illustrating a kind of structural schematic diagram of exemplary embodiment of existing bimetal plate bracket.
Fig. 2 is illustrating the technological process of production of existing bimetal plate bracket.
Fig. 3 to illustrate manufacture bimetal plate bracket the progressive die part-structure schematic diagram.
Fig. 4 to illustrate it is shown in Fig. 3 manufacture bimetal plate bracket the progressive die working state schematic representation.
Fig. 5 to illustrate manufacture bimetal plate bracket the progressive die part-structure schematic diagram.
Fig. 6 to illustrate it is shown in fig. 5 manufacture bimetal plate bracket the progressive die working state schematic representation.
Label declaration
10 first bending stations
20 second bending stations
30 thirds bend station
32 first diels
321 first stamping surfaces
322 stamped grooves
323 second stamping surfaces
34 second diels
342 staking punch
35 locating pieces
352 second push face
36 first limit molds
361 first stop surfaces
362 limiting slots
363 second stop surfaces
37 electric screw drivers
38 second limit molds
382 spacing heads
39 impellers
392 first push face
40 the 4th bending stations
50 the 5th bending stations
60 holders
61 middlewares
62 positioning adjustment portions
622 first adjustable plates
624 second adjustable plates
626 adjusting bolts
63 Ministry of worker to be added
64 bending parts
642 first bending segments
643 first linkage sections
644 second bending segments
645 second linkage sections
646 third bending segments
647 third linkage sections
66 contact sites
70 bimetal leafs
80 material strips.
Specific implementation mode
In order to which the technical features, objects and effects to invention are more clearly understood, now control description of the drawings is of the invention Specific implementation mode, in the various figures identical label indicate that structure is identical or structure is similar but the identical component of function.
Herein, " schematic " expression " serving as example, example or explanation " should not will be described herein as " showing Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical solution.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented Its practical structures as product.In addition, to make simplified form be easy to understand, with identical structure or function in some figures Component only symbolically depicts one of those, or has only marked one of those.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate their significance level and sequence Deng.
Herein, the limitation in " parallel ", " vertical " etc. and non-critical mathematics and/or geometry meaning also includes It will be appreciated by those skilled in the art that and the error that the permissions such as makes or uses.
Fig. 1 is illustrating a kind of structural schematic diagram of exemplary embodiment of existing bi-metal stent.As shown in Figure 1, There are one 66, bending parts of contact site for tool successively on extending direction shown in arrow in figure for existing bimetal plate bracket 60 64 and one positioning adjustment portion 62.Contact site 66 extends along the extending direction.Bending part 64 have successively there are one with contact site 66 644, second linkage sections 645, one of the second bending segment of the first linkage section 643, one of the first bending segment 642, one of connection 646, third linkage sections 647 of a third bending segment, wherein the first bending segment 642 and the second bending segment 644 are bent with third The overbending direction of section 646 is opposite.Positioning adjustment portion 62 is connected to third connection for fixing bimetal leaf 70, positioning adjustment portion 62 Section 647, and first adjustable plate 622 and second adjustable plate 624 parallel with contact site 66 there are one the tools of adjustment portion 62 are positioned, Second adjustable plate 624 and the first adjustable plate 622 have gap.The first adjustable plate 622 and the are connected using adjusting bolt 626 Two adjustable plates 624, and pass through the changeable gap between first adjustable plate 622 and the second adjustable plate 624 of turn adjusting bolt 626 Size fixes the angle of bimetal leaf with fine tuning positioning adjustment portion 62.
To produce the bimetal plate bracket 60, as shown in Fig. 2, can be by a material strip 80 in a reference plane A upper edge figure Feedstock direction shown in arrow is positioned over the progressive die, and passes through along the feedstock direction the first station 10, second station 20, the successively Bimetal plate bracket 60 is made in three stations 30, the 4th station 40 and 50 punching press of the 5th station.
As shown in Fig. 2, the first station 10 can bend out positioning adjustment portion 62 on material strip 80;Second station 20 can be in material strip Bend out a middleware 61 on 80, middleware 61 have successively the Ministry of worker to be added 63 positioned at reference plane A, the second bending segment 644, Second linkage section 645, third linkage section 647 and positioning adjustment portion 62.3rd station 30 can be in the base of the middleware 61 of material strip 80 Relative to the second linkage section 645 bending third linkage section 647 on plinth;4th station 40 can continue to bend out contact site 66, first Bending segment 642 and the first linkage section 643;5th station 50 can bend third linkage section 647 relative to the second linkage section 645 again, To form third bending part 646, and final bimetal plate bracket 60 is made.
The progressive die of the manufacture bimetal plate bracket of the present invention is mainly the improvement to 3rd station 30, i.e., with second station The improvement of punch process based on 20 obtained middlewares 61.As shown in Figure 3 and Figure 4, the continuous of bimetal plate bracket is manufactured Mould includes first diel 32 and second diel 34.First diel 32 towards material strip 80 (reference can be made to Fig. 2) there are one stamped grooves 322 for tool, and stamped groove 322 is by first stamping surface 321 and 323 shape of the second stamping surface At wherein the first stamping surface 321 can fit in the second linkage section 645 of middleware 61.Second diel 34 can be It is moved relative to the first diel 32 on the direction (direction shown in arrow in Fig. 3) of reference plane A, the second diel 34 have the staking punch 342 that can match embedded stamped groove 322, so that the second stamping surface 323 pushes 647 phase of third linkage section Second linkage section 645 is bent, and the second adjustable plate 624 is made to be parallel to reference plane A, refers to Fig. 4.Wherein, the second punching press Mold 34 is moved relative to the first diel 32, indicates the relative motion shape of the second diel 34 and the first diel 32 State, and the not absolute movement state of the second diel 34 and the first diel 32, i.e. the first diel 32 both can be with Be static can also be mobile, the second diel 34 is either static can also be mobile.
After undergoing the punching press of the first diel 32 and the second diel 34, as shown in Figure 5 and Figure 6, double gold are manufactured The progressive die for belonging to plate rack further includes first limit mold 36, second limit molds, 38, locating pieces 35 and one A electric screw driver 37.There are one limiting slot 362, limiting slots 362 towards material strip 80 (referring to Fig. 2) tool for first limit mold 36 It is formed by first stop surface 361 and second stop surface 363, wherein the first stop surface 361 can fit in Second linkage section 645, the second stop surface 363 can fit in third linkage section 647.Second limit mold 38 can be vertical In on the direction of reference plane A relative to the first limit mold 36 move, the second limit mold 38 have can match embedded limit The spacing head 382 of slot 362 keeps second so that spacing head 382 is resisted against the second linkage section 645 and third linkage section 647 simultaneously Adjustable plate 624 is parallel to reference plane A.Locating piece 35 (can refer to Fig. 5 institutes along an orientation for being parallel to reference plane A The arrow direction shown) it is mobile, to stretch to the gap between the first adjustable plate 622 and the second adjustable plate 624 and be resisted against second Adjustable plate 624.Electric screw driver 37 can be moved perpendicular to the direction of reference plane A, and an adjustment bolt 626 is worn the One adjustable plate 622 is simultaneously threaded io the second adjustable plate 624, until the first adjustable plate 622 is resisted against locating piece 35.Wherein, Two limit molds 38 are moved relative to the first limit mold 36, indicate the opposite of the second limit mold 38 and the first limit mold 36 Motion state, and the not absolute movement state of the second limit mold 38 and the first limit mold 36, i.e. the first limit mold 36 Either it is static can also be it is mobile, the second limit mold 38 is either static can also be mobile.
After above-mentioned design, as shown in Figure 3 to Figure 4, pushed away first with the first diel 32 and the second diel 34 Dynamic third linkage section 647 is bent relative to the second linkage section 645, and the second adjustable plate 624 is made to be parallel to reference plane A, such as Fig. 5 Shown in Fig. 6, the first limit mold 36 and the second limit mold 38 is recycled to be maintained at the second adjustable plate 624 and be parallel to benchmark Then the position of face A stretches to locating piece 35 between first adjustable plate 622 and the second adjustable plate 624, to help electric screw The second adjustable plate 624 is positioned when 37 mounting and adjusting bolt 626 of knife, and since the thickness of locating piece 35 can be pre-set, in this way It can ensure that adjustment bolt 626 screws in the depth and the first adjustable plate 622 and second of the first adjustable plate 622 and the second adjustable plate 624 Gap between adjustable plate 624 makes all products mounting and adjusting bolt 626, raising can be produced automatically in punching course Efficiency, and product specification caused by avoidable manually installed adjustment bolt 626 is inconsistent.
In a kind of exemplary embodiment of Fig. 5 and the progressive die of manufacture bimetal plate bracket shown in fig. 6, the progressive die Can also include an impeller 39, impeller 39 can be along a pushing direction perpendicular to reference plane A (arrow institute in Fig. 5 Show direction) it is mobile, there are one the first promotion face 392 for favouring pushing direction, the first promotion face 392 can push away the tool of impeller 39 Dynamic locating piece 35 is moved in orientation.It, can be reliable and stable in the limited inner space of the progressive die using such design Operation of the realization to impeller 39, so that impeller 39 is stretched between first adjustable plate, 622 and second adjustable plate 624 In gap.Certainly according to the needs of design, other modes or structure can also be designed to operate locating piece 35.In addition, in Fig. 5 and In a kind of exemplary embodiment of the progressive die of manufacture bimetal plate bracket shown in fig. 6, there are one can paste the tool of locating piece 35 Push face 392 together in first second pushes face 352, contributes to accurate behaviour of the impeller 39 to locating piece using such design Make.
In a kind of exemplary embodiment of the progressive die of manufacture bimetal plate bracket, the punching press of the first diel 32 Angle between the first stamping surface 321 and the second stamping surface 323 of slot 322 is 66.7 °.Certainly it according to actual production or sets The difference needed is counted, the angle between the first stamping surface 321 and the second stamping surface 323 can also be different, as long as can make the Two adjustable plates 624 are parallel to reference plane A, facilitate mounting and adjusting bolt.
It should be appreciated that although this specification describes according to various embodiments, not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with The other embodiment of understanding.
The series of detailed descriptions listed above is illustrated only for possible embodiments of the invention, They are all without departing from equivalent embodiments made by technical spirit of the present invention or change not to limit the scope of the invention More, it such as the combination of feature, segmentation or repetition, should all be included in the protection scope of the present invention.

Claims (4)

1. manufacturing the progressive die of bimetal plate bracket, the bimetal plate bracket (60) is by a material strip (80) in a reference plane (A) one feedstock direction of upper edge is made through the continuous die stamping,
The bimetal plate bracket (60) has successively on an extending direction:
One contact site (66) extended along the extending direction,
One bending part (64), the bending part (64) have that there are one the first bending segments for being connect with the contact site (66) successively (642), first linkage section (643), second bending segment (644), second linkage section (645), a third are curved Trisection (646), a third linkage section (647), wherein first bending segment (642) and second bending segment (644) with The overbending direction of the third bending segment (646) on the contrary, and
One positioning adjustment portion (62) for fixing bimetal leaf (70) is connected to the third linkage section (647), and institute Stating positioning adjustment portion (62) tool, there are one first adjustable plates (622) and second adjustable plate parallel with the contact site (66) (624), second adjustable plate (624) has gap with first adjustable plate (622);
The middleware (61) that the material strip (80) prepares the bimetal plate bracket (60) has successively:Positioned at the reference plane (A) the Ministry of worker to be added (63), second bending segment (644), second linkage section (645), the third linkage section (647) With the positioning adjustment portion (62);
It is characterized in that, to process the middleware (61), the progressive die includes:
One the first diel (32), towards the material strip (80) tool, there are one stamped groove (322), the stamped grooves (322) it is formed by first stamping surface (321) and second stamping surface (323), wherein first stamping surface (321) second linkage section (645) can be fitted in;
One the second diel (34) can rush on the direction of the reference plane (A) relative to described first Compression mould (32) is mobile, and second diel (34) has the staking punch that can match the embedded stamped groove (322) (342), so that second stamping surface (323) pushes the third linkage section (647) relative to second linkage section (645) it bends, and second adjustable plate (624) is made to be parallel to the reference plane (A);
One the first limit mold (36), towards the material strip (80) tool, there are one limiting slot (362), the limiting slots (362) it is formed by first stop surface (361) and second stop surface (363), wherein first stop surface (361) second linkage section (645) can be fitted in, second stop surface (363) can fit in the third and connect Connect section (647);
One the second limit mold (38) can limit on the direction of the reference plane (A) relative to described first Position mould (36) is mobile, and second limit mold (38) has the spacing head that can match the embedded limiting slot (362) (382), so as to the spacing head (382) while be resisted against second linkage section (645) and the third linkage section (647);
One locating piece (35) can be parallel to the orientation movement of the reference plane (A) along one, described to stretch to Gap between first adjustable plate (622) and second adjustable plate (624) is simultaneously resisted against second adjustable plate (624);With One electric screw driver (37) can move perpendicular to the direction of the reference plane (A), by an adjustment bolt (626) it wears first adjustable plate (622) and is threaded io second adjustable plate (624), until described first is adjusted Plate (622) is resisted against the locating piece (35).
2. the progressive die of manufacture bimetal plate bracket as described in claim 1, wherein the progressive die further includes a promotion Part (39) can be moved along a pushing direction perpendicular to the reference plane (A), and there are one incline impeller (39) tool Tiltedly first in the pushing direction pushes face (392), and described first pushes face (392) that the locating piece (35) can be pushed to exist The orientation movement.
3. the progressive die of manufacture bimetal plate bracket as claimed in claim 2, wherein there are one energy for locating piece (35) tool Fit in the first promotion face (392) second pushes face (352).
4. the progressive die of manufacture bimetal plate bracket as described in claim 1, wherein the institute of first diel (32) The angle stated between first stamping surface (321) of stamped groove (322) and second stamping surface (323) is 66.7 °.
CN201610072530.6A 2016-02-01 2016-02-01 Manufacture the progressive die of bimetal plate bracket Active CN107020322B (en)

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Application Number Priority Date Filing Date Title
CN201610072530.6A CN107020322B (en) 2016-02-01 2016-02-01 Manufacture the progressive die of bimetal plate bracket

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CN107020322B true CN107020322B (en) 2018-10-16

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115184786B (en) * 2022-06-23 2023-06-20 上海西门子线路保护系统有限公司 Method and device for adjusting and testing bimetallic strip of circuit breaker

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Publication number Priority date Publication date Assignee Title
JPH05345236A (en) * 1992-06-16 1993-12-27 Toyota Motor Corp Bolt clamp device of multishaft nut runner
CN201848793U (en) * 2010-10-14 2011-06-01 云南西仪工业股份有限公司 Clamp for assembling connecting rod bush
CN102581604A (en) * 2012-02-27 2012-07-18 长城汽车股份有限公司 Bolt mounting device
WO2013126059A1 (en) * 2012-02-23 2013-08-29 Siemens Aktiengesellschaft Circuit breaker heater-bimetal assembly, heater-bimetal apparatus, and assembly methods thereof
CN204194613U (en) * 2014-10-27 2015-03-11 迈赫机器人自动化股份有限公司 Automatically gusset prepackage buckle mechanism is beaten
CN204220764U (en) * 2014-09-24 2015-03-25 上海德真工贸有限公司 Many bending-types electric appliance mounting support production progressive die
CN104551638A (en) * 2014-12-31 2015-04-29 南通广野自动化系统工程有限公司 Special clamp for bolt pre-mounting error preventing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05345236A (en) * 1992-06-16 1993-12-27 Toyota Motor Corp Bolt clamp device of multishaft nut runner
CN201848793U (en) * 2010-10-14 2011-06-01 云南西仪工业股份有限公司 Clamp for assembling connecting rod bush
WO2013126059A1 (en) * 2012-02-23 2013-08-29 Siemens Aktiengesellschaft Circuit breaker heater-bimetal assembly, heater-bimetal apparatus, and assembly methods thereof
CN102581604A (en) * 2012-02-27 2012-07-18 长城汽车股份有限公司 Bolt mounting device
CN204220764U (en) * 2014-09-24 2015-03-25 上海德真工贸有限公司 Many bending-types electric appliance mounting support production progressive die
CN204194613U (en) * 2014-10-27 2015-03-11 迈赫机器人自动化股份有限公司 Automatically gusset prepackage buckle mechanism is beaten
CN104551638A (en) * 2014-12-31 2015-04-29 南通广野自动化系统工程有限公司 Special clamp for bolt pre-mounting error preventing machine

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