CN105215259B - Pier forging device and chain welding machine for chain welding machine - Google Patents
Pier forging device and chain welding machine for chain welding machine Download PDFInfo
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- CN105215259B CN105215259B CN201510360688.9A CN201510360688A CN105215259B CN 105215259 B CN105215259 B CN 105215259B CN 201510360688 A CN201510360688 A CN 201510360688A CN 105215259 B CN105215259 B CN 105215259B
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- Prior art keywords
- pier forging
- pier
- forging die
- die holder
- cylinder body
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L3/00—Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends
- B21L3/02—Machines or devices for welding chain links
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L1/00—Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape
- B21L1/02—Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape by bending the ends of the workpieces to abut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/30—Chains, hoops or rings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Forging (AREA)
- Wire Processing (AREA)
Abstract
The present invention relates to the pier forging devices and chain welding machine for chain welding machine.It is a kind of to be used on chain welding machine carry out electric arc to the chain link of prebuckling to include primary element (110) and pier forging die holder (120) to the pier forging device (100) of top solder, primary element (110) can be mounted on the fixed position on machine, and pier forging die holder (120) is supported to execute pier forging movement by means of bogey, so as to be moved relative to primary element, and it has the device for installing pier forging die in front side.The second hinged lever component (140) that bogey has the first hinged lever component (130) and is spaced apart with the former, wherein each hinged lever component is hinged on by the first trunnion bearing (144A) on primary element (110), and it is hinged on pier forging die holder (120) by the second trunnion bearing (146A), so that forming the guider of the type of parallelogram for pier forging die holder (120), second trunnion bearing is by setting, to be parallel to the first trunnion bearing in terms of axial direction.
Description
Technical field
The present invention relates to a kind of for carrying out electric arc to top (flash to the chain link of prebuckling on chain welding machine
Butt) pier welded forges (heading) device, and the chain welding machine with such pier forging device.
Background technology
Chain with chain link is now widely by means of being commonly known as the special automated machine of chain flexes machine
Tool is fabricated, and chain link is bent using wire elements.During manufacture, chain link initially with appropriate length linear line
Material element, so-called pin are bent, and are connected on other chain links, other chain links equally using wire elements be bent and
At, or can be fabricated in another way, such as forge.Because in such as mining industry, many chains such as plane chain is necessary
Be designed and be exposed under serious abrasion for great stress, thus in the presence of towards for example be up to 70mm or bigger line
The apparent tendency of material diameter development.
It is still to open at some point it is known, however, that in order to manufacture the chain link that steel link chain uses prebuckling
, and be initially connected on other chain links, to form chain belt, then top solder method is welded by electric arc, to
Form the chain link being closed.Electric arc may become automation to top solder method by means of special chain welding machine, to
The free end of the chain link of prebuckling is connected in a manner of basic entirety.
Chain welding machine has pier forging device, designed to be used the institute for promptly still opening and being maintained at pier forging device
Call the chain link of the processing position between pier forging die, and pier forging carried out to the chain link so that bent wire mutually facing but still
So free end face is initially close to each other, is in contact with each other, is then crimped together.In addition, providing weldering for each end section
Receiving electrode, the welding electrode can be placed on associated chain to execute welding operation in the way of forging direction into transverse direction with pier
On the end section of ring, and end section can be made to be bent in the way of forging direction into transverse direction with pier, to assign needed for chain link
Shape.
In the case where electric arc is to top solder method, in the warm up stage, in the mutually facing end face of bent wire
Between always only have point-like contacts.In view of high current density caused by thus, it is liquefied in the chain ring material of these contact points
And/or evaporation, or ejected in the form of splashing.End section partly electric arc on pad.Due to contact bridge
Progressive forming and destruction, or even in the warm up stage, provide the welding electrode including associated end section
(index) movement is shifted, to be kept in contact.Preheating can repeatedly be moved before and after making the element of pier forging device and be controlled
System.After having reached required temperature, electric current is interrupted, and forges stroke (" pier, which forges, the to be hit ") phase in pier by pier forging device
Between suddenly introduce pier forging direction on power, thus make end section each other again carry out pier forging.The advantages of this method is,
Due to electric arc, the pollutant on pad removes with being automatically also, and in view of the material of evaporation, creates protection
The atmosphere of inert gases of pad.Based on this consideration, obtains not the uniform and pure of field trash and be welded to connect.It is most of
The burr removed while still hotter mainly forms on pier forging point.
DE 1 577 064 describe it is a kind of positioned at electric arc to overhead welding pick on pier forging die guider.Two guiders with
The fixed mode in position is arranged on the frame that electric arc picks to overhead welding.The shell that U-shaped is configured on cross section is led described
It is guided on roller in a manner of longitudinally moveable on device.Pier forging die holder with pier forging die is arranged in the front end of shell
On wall, front bulkhead is towards there is chain link to be bent.The stroke movement of shell is as caused by hydraulic cylinder, and cylinder unit is passed through
Setting, to which position is fixed on machine frame, and its piston rod unit passes through the ball-and-socket on the front bulkhead of shell
Connector is hinged.
DE 2 317 691 describes a kind of chain welding machine, and there are two piers to forge lever for tool, and pier forging lever can pass through control
Axis processed is pivoted via common driver device, and is connected with the pier forging die holder for pier forging die, and the shock of pier forging die needs
The circular configuration of the chain link of welding.When pier forging lever pivots in the opposite direction, pier forging die holder is at least approximate horizontal phase
Negative direction moves.Pier forging die holder all guides in linear guider in all cases.Linear steering device is to promote
It is accurate placed in the middle on the circular configuration for having chain link to be welded into pier forging die so that the welding of chain link end can be constant excellent
It is executed under quality.
DE 2 457 180 describes a kind of for carrying out electricity to top solder or electric arc pair to the workpiece with rod-shaped end
The method and apparatus of top solder.The pier forging die of pier forging device is rigidly mounted in the horizontal direction of machine frame, and is kept
It can be pivoted up, have chain link to be welded to be used only for introducing.Another pier forging die is by installation, so as in the axial direction
On, it is moved in the pivot barrel being pivotably mounted.
DE 2 251 899 describes a kind of method and apparatus that the chain link for being bent by C-shaped manufactures steel link chain, chain link
By unified to form chain belt.The device has welding station, has the fixed opposite bearing for making chain link be welded
And two pier forging pincers being arranged on infeed sliding block.One of pier forging pincers can only in the direction of opposite bearing and therewith
On opposite direction along be vertically directed device carry out infeed.Another pier forging pincers are likewise arranged on infeed sliding block, and
Infeed can be carried out jointly in the vertical direction in the direction of opposite bearing and direction in contrast.Infeed sliding block is sat
Fall the front side that sliding block is forged in horizontally movable pier.
It has been observed that being worn after relatively short operation cycle in the case of many traditional pier forging devices
Through becoming apparent from, need repairing work, and needs replacing component if applicable.The downtime thereby resulted in is for chain
The productivity of bonding machine is unfavorable.
Invention content
It is an object of the present invention to provide a kind of pier forging devices for chain welding machine, can realize the long use longevity
Life is interrupted without repairing, and it seems remarkable with fairly simple structure and high mechanical stability, even if when processing
Chain link have big gauge or diameter of wire when.
As the solution of this purpose, the present invention provides a kind of pier forging devices for chain welding machine.In addition,
Provide a kind of chain welding machine.The present invention is also stated in the present specification is advantageously improved place.
Pier forging device includes primary element, can be mounted on the fixed position on machine, and can for example, by screw or
It is fixed on the upside of machine frame in another way.Further it is provided that a kind of pier forging die holder, in order to execute pier forging movement
And be supported, so as to be moved relative to primary element.In order to make pier forging die holder be movably mounted on primary element
Provide bogey.In addition, providing the device for installing replaceable pier forging die in pier forging die holder.Described device is fixed
Position in the front side of pier forging die holder, wherein be on front side of the pier forging die holder the pier forging device finally installed the case where below
To that side for needing the chain link that pier is forged.Term " pier forging die " refers to pier forging die element, is provided for pier forging operation, so as to
The circular configuration for the chain link for needing pier forging is hit, and introduces pier forging power, pier forging direction is parallel to and is applied on chain link.
Bogey includes the first hinged lever component and the second hinged lever component, and pier forging die holder passes through bogey
It is installed, so as to be moved relative to primary element, the second hinged lever component and the first hinged lever assemblies spaced apart.
Each hinged lever component is hinged on by the first trunnion bearing (or Pivot joint) on primary element, and passes through the second pivot
Axle bearing (or Pivot joint) and be hinged on pier forging die holder so that formed for pier forging die holder type of parallelogram
Guider, the second trunnion bearing by setting, to be parallel to the first trunnion bearing.Compared with traditional solution, this
Guider of the kind for the type of parallelogram of pier forging die holder provides great real advantage.
Traditional pier forging device with movable part generally comprises the forging sliding block of the pier with linear steering device or other holds
It carries and sets, to generate the translational motion of movable pier forging die on pier forging direction.It has realized that during welding, linearly lead
It may be comparatively quickly badly damaged due to electric arc and other potential pollutants near pad to device, so as to cause one
Determine the abrasion of degree, component must be cleaned, repaired or be replaced.
By comparison, it includes trunnion bearing that the pier forging device declared according to the present invention, which is configured so to bogey specially,
Without linear bearing (for example, linear steering device).By comparing linear bearing, trunnion bearing can in a good way, with low
Structural complexity be sealed, in order to avoid external action.They can be built at low cost, be had high mechanically stable
Property, and relatively low abrasion is encountered during operation.For trunnion bearing can be configured by means of the bushing and bolt of sliding
Such as pure friction bearing, without using rolling element.It, can be greatly by saving linear bearing compared with traditional solution
Reduction is worn caused by pollution, to obtain longer component service life, without cleaning, repairing and/or replacement
Component.
The advantages of mechanical stability aspect can also be provided in the guider of type of parallelogram for pier forging die guider.
And if when pier forging die holder is built in the form of pier forges sliding block, can move, be spoken by the book complete in a linear fashion
In the case of the sliding block stretched entirely, then can be obtained during the final stage of compression chain link and so-called pier forging stroke bigger
Drift, that is to say, that the unsupported length of the pier forging sliding block near pier forging die.Based on this consideration, pier forges the bending of sliding block
In the case of possibly being present at high pier forging power.However, on the contrary, when the guiding for providing type of parallelogram for pier forging die holder
When device, in the freedom of pier forging die and the pier forging die holder between the trunnion bearing of the first hinged lever component of pier forging die
Length can be chosen into shorter so that the change of minimum protrusion and corresponding minimum may be only produced in this region
Shape.Moreover, feelings of the drift (between the first hinged lever component and pier forging die) in the guider of type of parallelogram
It is constant under condition so that this mechanical stability is independently generated relative to the pivot location of pier forging die holder.
In a kind of Curve guide impeller, first hydraulic cylinder body is provided, for generating pier forging die holder relative to primary element
Movement.First hydraulic cylinder body is also referred to as pier forging cylinder body, because which create pier forgings to move.The cylinder body list of first hydraulic cylinder body
Member is connected in basic unit in hinged way, and the piston rod unit of first hydraulic cylinder body is connected in pier forging die in hinged way
On holder.The component is also possible to be in turn so that cylinder unit is connected on pier forging die holder, and piston rod unit joins
It is connected in basic unit.Since first hydraulic cylinder body is included between primary element and pier forging die holder, one kind can be especially realized
Cramped construction.
The first trunnion bearing for being assigned to primary element defines first rotation, extends parallel to each other, and altogether
With restriction or cross over first bearing plane.The second trunnion bearing for being assigned to pier forging die holder defines the second rotation axis,
It extends parallel to each other, and limits or cross over second bearing plane jointly.Preferably, the corresponding central cylinder of first hydraulic cylinder body
Body axis or cylinder center axis are arranged between first bearing plane and second bearing plane, thereby produce advantageous lever
Than to introduce force into chain link to be bent.It can realize in a simple manner in this way, pier forging cylinder body is made with center on Page
With on chain link so that the momentum of contretemps is not on pier forging die holder or other components.
Even if in order to avoid the moment of flexure of the maximum contretemps in pier forging device in the case where high pier forges power,
In a preferred embodiment, for installing the device of pier forging die in the angled overarm of pier forging die holder by so setting
It sets so that these devices are located in the prolongation of the central cylinder axis of first hydraulic cylinder body.Usually particularly advantageously use
It is arranged on pier forging die holder in the device of installation pier forging die so that be located at first for the impingement region of chain link on pier forging die
In the prolongation of the central cylinder axis of hydraulic cylinder, the precision with ± 20mm.Based on this consideration, cylinder body axis and chain link
Axis may be most of or accurately overlap, and the power for being bent chain link is introduced so as to best mode.Relative to above-mentioned
Bearing plane, these devices are preferably placed in the region between first bearing plane and second bearing plane.
For electric arc to top solder, the end section for needing the chain link of prebuckling to be welded is combined with each other for welding
It connects in the circuit of electric current.For this purpose, the welding electrode holder for carrying at least one welding electrode is provided on pier forging device,
Welding electrode can be placed into the end of chain link to execute welding operation on the placement direction relative to pier forging direction at transverse direction
On part.Here welding electrode is applied not only to electrical contact end section, but also the leg that extraly should be still opened to two
Portion applies cross force so that chain link can also constitute the shape needed for it by means of welding electrode.In a preferred embodiment
In, welding electrode holder is connected in by third hinged lever component on pier forging die holder, wherein third hinged lever component
It is hinged on pier forging die holder by the first trunnion bearing, and be hinged on welding electrode holder by the second trunnion bearing.
Based on this consideration, welding electrode holder can be made not pivoted only with respect to pier forging die holder, but also can be with the shifting of pivotal axis
It moves and moves.Based on this consideration, simple and accurate positioning of the welding electrode on chain link is feasible.
In a kind of Curve guide impeller, second hydraulic cylinder body is provided, for generating welding electrode holder relative to pier forging die
The movement of holder, the second hydraulic cylinder body are thus also known as " welding cylinder body ".Support frame is preferably provided, is fixedly connected
It is connected in basic unit, and can support second hydraulic cylinder body in the case of welding electrode support motion.For this purpose, the second hydraulic pressure
The cylinder unit of cylinder body can be connected on Support frame in hinged way, and the piston rod unit of second hydraulic cylinder body can be cut with scissors
The mode of connecing is connected on welding electrode holder.(cylinder unit is connected on welding electrode holder opposite component, piston rod unit
It is connected on Support frame) it is also feasible.In view of being fixedly connected to the connection of the Support frame in basic unit, simultaneous interpretation
System solution is compared, and great mechanical stress release can be achieved on pier forging die holder.The latter is passing through welding electrode application
It will not be by mechanical stress, or only in the region of third hinged lever component by mechanical stress during power.
It is this especially equally in the case of the pier forging device of the prior art equally in the case of other pier forging devices
Weld being deflected through relative to the independent discrete Support frame of pier forging die holder for the reaction force of cylinder body and it may be advantageous,
It is independent with respect to the other feature of pier forging device, and the guider especially with respect to the type of parallelogram of pier forging die holder is
It is independent,
Thus, it equally proposes a kind of for carrying out electric arc to top solder to the chain link of prebuckling on chain welding machine
Pier forging device, the pier forging device include primary element and pier forging die holder, and primary element can be mounted on the fixed position on machine,
And pier forging die holder is supported to execute pier forging movement by means of bogey, so as to be moved relative to primary element
It is dynamic, and it has the device for installing pier forging die in front side, and wherein pier forging device also has welding electrode holder, with hinge
The mode of connecing is connected on pier forging die holder, for carrying at least one welding electrode, welding electrode in order to execute welding operation and
It is placed on the end section of chain link on the placement direction relative to pier forging direction at transverse direction, wherein in order to generate welding electrode branch
Movement of the frame relative to pier forging die holder provides hydraulic cylinder (welding cylinder body), and the cylinder unit of this hydraulic cylinder
It is hingedly coupled to be fixedly attached on the Support frame in basic unit, and the piston rod list of this hydraulic cylinder
Member is connected in hinged way on welding electrode holder, and or vice versa.
The invention further relates to a kind of chain links for prebuckling to carry out electric arc to the chain welding machine of top solder, has
The pier forging device (guider with the type of parallelogram for pier forging die holder) of type described here.
Description of the drawings
The further advantage and aspect of the present invention are derived from the explanation of preferred exemplary embodiment of the invention below,
Exemplary embodiment will be explained below by attached drawing.
Fig. 1 shows the oblique perspective figure of pier forging device according to an embodiment of the invention, is starting pier forging and weldering
It is in an open position before connecing operation；
Fig. 2 shows the side view of the pier forging device of Fig. 1 comprising other components of chain welding machine；
Fig. 3 shows the oblique perspective figure of the pier forging device of Fig. 1 after terminating pier forging and welding operation, has
The chain link of closure；
Fig. 4 shows the side view of the pier forging device of the configuration of Fig. 3；
Fig. 5 shows that the detail drawing of the amplification of the front end of the pier forging die holder in one embodiment, wherein pier forging die are removable
Ground is mounted on pier forging die holder；And
Fig. 6 shows the schematic diagram of the trailing flank of (second) hinged lever component below.
Specific implementation mode
Fig. 1 and Fig. 2 shows one embodiment of pier forging device 100, is provided for chain welding machine 200, and
The chain link 300 of the prebuckling of pre-assembled chain belt 310 can be made to be welded in a continuous manner to top solder by electric arc by it
It connects, to form the chain link of closure.After chain flexes, that is to say, that after chain link prebuckling, usually there is chain
Band 310 has still slight open chain link 300.These still slight open chain links by electric arc is to top solder
Chain welding machine is continuously welded, to form the chain link being closed completely.For this purpose, each prebuckling but still slight open
Chain link 300 is initially positioned at the operating position in ink chain welding machine.In operating position, chain link is touched by what is be vertically movable
Locking apparatus 210 and be supported from below, and by positioning, to positioned at pier forging die 290 side, pier forging die setting is in machine
On fixed position (see Fig. 2).
Execute pier forging stroke the other way around followed by pier forging device 100.One pier forging stroke is with pier forging direction A pressures
Contracting chain link, pier forging direction A are parallel to the longitudinal direction of the chain link and extend, and based on this consideration, make mutually facing wire rod end
The free end of end part is close together.The interim coordination mode of stroke is forged according to pier, (opposite pier forging direction is horizontal for cross force
To, and generally vertical) be applied on the two still open wire rod legs by means of welding electrode 162,163, and thus
Assign the shape needed for chain link.In this way during starting welding operation, further pier forging movement is executed, to pass through electric arc pair
Top solder makes wire tip interconnect.
Pier forging device 100 has primary element 110, can be mounted on the fixed position on machine, and weld in chain
The upside of machine 202 is fixedly mounted in the case of machine 200.Primary element has the bottom for installation into the rectangle on machine
Plate 112, and with the upright side walls 114 for receiving trunnion bearing in the longitudinal direction side of the bottom plate 112, it will later
It explains.The primary element being formed from steel integrally can (monolithically) construct, or be constructed by multiple components.
The pier forging die holder 120 of the elongation of pier forging device by installation, so as to by means of bogey relative to basic
Element 110 and moved along its longitudinal direction.Pier forging die holder 120 substantially has the form of the beam of elongation, with rectangle
Cross section.In the front side towards chain link, angled overarm 122 is formd, the downward angulation on the direction of primary element
Degree.In the front side of the overarm 122 towards chain link, the mechanical device for installing or tightening pier forging die 190 respectively is positioned to be in
The about the same height of the fixed pier forging die 290 in position on the other side, pier forging die can pier forge during hit chain link towards
Bending section.
Pier forging die holder 120 by guiding, so as to by the guider of type of parallelogram relative to primary element
110 and move.For this purpose, it has been provided about the first hinged lever component 130 in front suspended beam 122, and after pier forging die holder
End has been provided about the second hinged lever component 140.In principle, hinged lever assembly is built in an identical manner, from
And the structure of only rear portion hinged lever component 140 (the second hinged lever component) will be explained in greater detail (together herein
Sample is with reference to Fig. 6).
Second hinged lever component all has in every side of pier forging die holder there are one elongation hinged lever 142A, 142B, it
May be additionally referred to as " lug " or " connector ".Pier forging die holder 120 is connected to substantially first by hinged lever with double articulated manners
On part 110.Hinged lever 142A by the side wall of primary element first trunnion bearing 144A by be mounted on primary element 110
Side on, and the second trunnion bearing 146A parallel in terms of axial direction is located on the side of pier forging die holder 120 therewith.Phase
Corresponding trunnion bearing is located on opposite side, to couple this respectively to another hinged lever 142B of hinged lever
Onto primary element or pier forging die holder.
This provides the double hinge-coupled devices of bilateral to hinged lever 142A, 142B, be relative to lateral tilt it is fixed,
Trunnion bearing wherein on primary element side is rotated around the first pivotal axis 145, and in pier forging die stent side portion
Trunnion bearing surrounds the second pivotal axis 147 extended with the first pivoting axis parallel and rotates.Front side the first hinged lever component 130
Hinged lever 132A, 132B correspondingly surround primary element side on the first pivotal axis 135 and pier forging die stent side portion
On the second pivotal axis 137 and rotate.The spacing between hinge assembly 130,140 in a longitudinal direction is more than hinged lever
Twice of spacing between first trunnion bearing and the second trunnion bearing, especially about three times spacing.
Each trunnion bearing is configured to pure friction bearing GL (not having rolling element), and there are one surround bearing bolt for tool
And the bearing insert rotated (referring to Fig. 6).Trunnion bearing relative to it is external by the suitable sealing element, such as sealing cover by into
Row sealing, in order to avoid the entrance of all types of pollutants.Compared with the recycling watt of such as roller, the trunnion bearing of sealing is utmostly
On eliminate pollutant, and be highly abrasion-resistant.Grease connection for rinsing dirt and abrasion can be provided.
In view of the moving condition of the guider of type of parallelogram, the operational movement of pier forging die holder 120 is not pure
Translational motion (being parallel to pier forging direction) on the longitudinal direction of pure pier forging die holder, but also include laterally (vertical therewith
Direction) extend smaller component motion.Movable pier forger tool 190 applies pressure during pier forges stroke to the curve of chain link
Chain link is pressed against on the fixed pier forging element 290 in position, and keeps pin end closer by power.It is flat with horizontal primary element
The horizontal orientation of capable pier forging die holder 120 is maintained due to the guider of type of parallelogram herein.
First hydraulic cylinder body 150 is referred to herein as " pier forging cylinder body ", is provided for generating pier forging die holder
Operational movement.The cylinder unit 152 of pier forging cylinder body is installed by trunnion bearing 154, and trunnion bearing is in the side of primary element
There is horizontal pivotal axis in wall 114.The piston rod unit 153 that can be moved axially in cylinder unit passes through tool with its free end
There is the trunnion bearing 156 of horizontal pivot axis to be coupled in hinged way, in for by pier forging die setting to hang oneself from a beam
The identical height level of device of 122 insides.In view of this component, the pier forging die 190 carried by pier forging die holder 120 is basic
In the prolongation of the central cylinder axis W of first hydraulic cylinder body so that the power of first hydraulic cylinder body can be directly passed to
Pier forging die 190, and chain link thus is passed to, without making pier forging die bracket bent.In the typical case, in 300 He of chain link
Contact point or rum point or impingement region AZ between pier forging die 190 are located at is less than 20mm or small from central cylinder axis W (Fig. 5)
At the distance of 10mm.
The component of first hydraulic cylinder body is connected in by 154,156 one side of trunnion bearing on pier forging die holder, another party
Face is connected on primary element, and trunnion bearing is located at the first bearing plane and the second pivot that the first pivotal axis 135,145 is crossed over
Between the second bearing plane that shaft 137,147 is crossed over.Based on this consideration, produce it is a kind of only several components it is compact
Component.
The movable part of welder is connected in hinged way on pier forging die holder 120.Beam-like welding electrode holder 160
It is arranged in the upper surface of pier forging die holder 120, which carries two pivotable welding electrodes on front side of it
162A, 162B, welding electrode in order to execute welding operation can be generally vertical placement direction be placed into towards pier forging device 100
Chain link 300 free terminal part on, on the one hand and chain link establish be in electrical contact, on the other hand compress in this direction
Chain link.
Beam-like welding electrode holder 160 is connected to pier forging by means of third hinged lever component 170 with double articulated manners
The rear end of mould holder 120.On the one hand double hinged connectors allow to pivot around two horizontal pivot axis, and on the other hand
Allow welding electrode holder relative to the longitudinal movement of pier forging die holder, so as to accurately set welding electrode on chain link
Installation position.
Welding electrode holder 160 is held relative to the operational movement of pier forging die holder 120 by means of second hydraulic cylinder body 180
Row, second hydraulic cylinder body 180 are referred to herein as " welding cylinder body ".Pier forges the piston rod unit 184 of cylinder body in front end area
(near chain link) is connected to the upside of welding electrode holder 160 by the trunnion bearing with horizontal pivot axis.Second liquid
The cylinder unit 182 of cylinder pressure body is connected to the horizontal stand part for the Support frame 185 being fixedly attached on primary element 110
On, and across in a manner of door shape self be arranged pier forging die holder and welding electrode holder.When electrode pressing is on chain link
When generated reaction force primary element is thus directly passed to by second hydraulic cylinder body 180 and Support frame 185
110, and because of the stress without caused by pier forging die holder 120.
Welding electrode holder is also possible to execute by means of welding cylinder body relative to the movement of pier forging die holder, welds cylinder body
On the one hand it is supported on pier forging die holder, and is on the other hand supported on welding electrode holder in hinged way.
The welding electrode 162A, 162B that welding current is introduced into chain link are pivotally connected to welding electrode holder by two
160 front end.There is no driver of the display for the pivoting action of welding electrode in figure.Welding electrode holder can be forged relative to pier
Mould holder moves, and so as to set the position of movable pier forger tool and welding electrode relative to each other, or can make this
Two identical pier forgings and welder move back to correct initial position respectively again.Welding electrode with welding electrode
Holder is placed on by welding cylinder body on chain link, and during further stroke, and slight open chain link leg is turned under
Song places the end sold to alongside one another in coaxial fashion.Welder thus must also be able to apply chain link and be bent
Power.
Pier forging device can proceed as follows.When operation circulation starts, pier forging device is located at Fig. 1 and shown in Fig. 2
Initial position, wherein pier forging die holder 120 are retracted to rear position, and welding electrode holder 160 by means of welding cylinder body and
It is pivoted up.By making chain belt shift, there is new still open chain link to be welded to be moved to the phase being vertically movable
210 operation above position of counterelement, and opposite elements 210 are increased, to make there is chain link to be welded to be increased to correctly
Operating position, and be supported during bending.Two adjacent chain links have hooked into still open chain link (see figure
2)。
Next, the movable part of pier forging device 100 is by means of pier forging cylinder body (first hydraulic cylinder body 150) and welding cylinder body
(second hydraulic cylinder body 180) and move, to execute electric arc to top solder.Here, welding electrode is from being placed above to opposite
On the free end of chain link, wherein electrical contact is on the one hand established, and it is substantially coaxial on the other hand also to bend to free end
Structure.
Cylinder body is forged by means of pier, movable pier forger tool 190 forges the pier forging die holder 120 on the A of direction by basic pier
Forward travel and shifted, and based on this consideration, chain link 300 is made to be compressed in a longitudinal direction, until in mutual face
To wire rod end face between establish point-like contacts at the first time.The component is by so imagining so that chain link is on pier forger tool
Rum point or impingement region respectively with high precision (such as under deviation of maximum 20mm) be located at pier forge cylinder body cylinder center axis
In the prolongation of line W.Based on this consideration, stress that can be minimum by moment of flexure is introduced according to best mode on other components
Power.
In view of high current density, warm up can rapidly occur, and if applicable, just reach on the contact point
To dotted fusing.In order to realize sufficient warm up in the whole region for the end face for needing to be connected, if applicable, activity
Pier forger tool by means of pier forging cylinder body pier forging direction on move repeatedly forwards, backwards, wherein pier forge electrode in the side coaxially oriented
Push wire rod free end simultaneously upwards.Once adequately preheating is obtained across entire cross section, by means of pier forging device
100, it can be forged in pier by pier forging cylinder body in pier forging stroke (" pier, which forges, to be hit ") and be introduced suddenly energetically on the A of direction, thus make end
End part each other forge and weld together by pier.Then the component of chain welding machine is located in welding position shown in Fig. 3 and Fig. 4
It sets, wherein pier forging cylinder body and welding cylinder body is in its extended position in all cases, and chain link is closed and welds.
In view of transverse motion components (relative to pier forging direction at lateral component motion) and in bending operation and pier forging behaviour
Big active force during work, between the bending part for the chain link being in contact and the face of pier forging die (or corresponding pier forger tool)
There may be great frictional force.Based on this consideration, it is likely to occur increased abrasion on bearing and/or unnecessarily big answers
Power.In order to reduce cross force, provided in one embodiment by the movable pier forging entrained by movable pier forging tool holder 120
Tool 190 is connected to the front side of pier forging tool holder, is moved so as to linear mode.In the plane of movement of pier forging die holder
It is moved according to more or less vertical mode.And if when there is cross force, the side of the pier forging die towards chain link 300
The bonding with chain link can be kept to contact, at the same pier forging die 190 in a lateral direction (such as upward or downward) relative to pier forging die
Holder 120 and move.By means of extension spring, pier forger tool pre-tensioner can arrive initial position, once wherein chain link is released,
It will automatically be back into initial position again by extension spring.
Claims (9)
1. a kind of pier forging device (100) for carrying out electric arc to top solder to the chain link of prebuckling on chain welding machine, packet
It includes：
Primary element (110) can be mounted on the fixed position on the chain welding machine,
Pier forging die holder (120) is supported to execute pier forging movement by means of bogey, so as to relative to institute
It states primary element and moves, and it has the device for installing pier forging die in front side,
It is characterized in that,
The second hinged lever component that the bogey has the first hinged lever component (130) and is spaced apart with the former
(140),
Wherein each hinged lever component is hinged on by the first trunnion bearing on the primary element (110), and
By second trunnion bearing by be hinged on the pier forging die holder (120) so that formed be used for the pier forging die holder (120)
Type of parallelogram guider, second trunnion bearing is by setting, to be parallel to described the in terms of axial direction
One trunnion bearing；
The pier forging device (100) has first hydraulic cylinder body (150), is used to generate the fortune of the pier forging die holder (120)
It is dynamic, wherein the cylinder unit (152) of the first hydraulic cylinder body is connected in hinged way on the primary element (110), and
And the piston rod unit (154) of the first hydraulic cylinder body is connected in hinged way on the pier forging die holder (120), or
Vice versa.
2. pier forging device according to claim 1, which is characterized in that the bogey includes specially trunnion bearing, and
And there is no linear bearing.
3. pier forging device according to claim 1 or 2, which is characterized in that the trunnion bearing is configured to pure friction bearing,
Without using rolling element.
4. pier forging device according to claim 1 or 2, which is characterized in that first trunnion bearing is described substantially first
Define that first bearing plane, second trunnion bearing define second on the pier forging die holder (120) on part (110)
Bearing plane, and the central cylinder axis (W) of the first hydraulic cylinder body (150) is arranged in the first bearing plane and institute
It states between second bearing plane.
5. pier forging device according to claim 1 or 2, which is characterized in that be used for pier forging die setting in the pier forging die
Device in the angled overarm (122) of holder (120) is by setting so that these devices are located at the first hydraulic cylinder body
Central cylinder axis (W) prolongation on.
6. pier forging device according to claim 1 or 2, which is characterized in that the device for installing pier forging die is arranged in institute
It states on pier forging die holder (120) so that for the impingement region (AZ) of chain link with the essence of ± 20mm on the pier forging die (190)
Degree is on the prolongation of the central cylinder axis (W) of the first hydraulic cylinder body (150).
7. pier forging device according to claim 1 or 2, which is characterized in that have for carrying at least one welding electrode
The welding electrode holder (160) of (162A, 162B), at least one welding electrode (162A, 162B) are grasped to execute welding
Direction (A) can be forged according to opposite pier by, which making, is placed at lateral placement direction on the end section of chain link, wherein the welding is electric
Pole holder is connected in by third hinged lever component (170) on the pier forging die holder.
8. pier forging device according to claim 7, which is characterized in that there is second hydraulic cylinder body (180), be used to generate
Movement of the welding electrode holder (160) relative to the pier forging die holder (120), wherein the cylinder of the second hydraulic cylinder body
Body unit (182) is connected in hinged way on the Support frame (185) being fixedly attached on the primary element, and institute
The piston rod unit (184) for stating second hydraulic cylinder body is connected in hinged way on the welding electrode holder (160), or anti-
It is as the same.
9. a kind of chain link (300) for prebuckling carries out electric arc to the chain welding machine (200) of top solder, feature exists
In with pier forging device (100) according to any one of the preceding claims.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014212527.8 | 2014-06-27 | ||
| DE102014212527.8A DE102014212527B3 (en) | 2014-06-27 | 2014-06-27 | Compression device for a chain welding machine and chain welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105215259A CN105215259A (en) | 2016-01-06 |
| CN105215259B true CN105215259B (en) | 2018-07-20 |
Family
ID=54336839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510360688.9A Active CN105215259B (en) | 2014-06-27 | 2015-06-26 | Pier forging device and chain welding machine for chain welding machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105215259B (en) |
| DE (1) | DE102014212527B3 (en) |
| SE (1) | SE540798C2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880817A (en) * | 2016-05-30 | 2016-08-24 | 江苏亚星锚链股份有限公司 | Flash welding technology for R6 level mooring cable ordinary ring |
| DE102016224494A1 (en) * | 2016-12-08 | 2018-06-14 | Wafios Aktiengesellschaft | Chain welding machine for resistance butt welding of chain links |
| WO2019139954A1 (en) * | 2018-01-09 | 2019-07-18 | Kulicke And Soffa Industries, Inc. | Systems and methods of operating wire bonding machines including clamping systems |
| CN112643187B (en) * | 2019-10-09 | 2022-07-08 | 山东金恒力机械制造有限公司 | Device for resistance welding of annular chain and using method thereof |
| CN113414343B (en) * | 2021-06-21 | 2022-01-18 | 江苏威雅仕不锈钢制品有限公司 | Intelligent curved ring forming equipment for anchor chain link production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB166104A (en) * | 1920-07-07 | 1922-04-19 | Columbus Mckinnon Chain Compan | Improvements relating to the electrical welding of chain links or the like |
| DE2222869A1 (en) * | 1972-05-10 | 1973-11-22 | Guido Drechsler | Chain link resistance welder control - fitted with hall multipliers |
| US3839617A (en) * | 1973-03-15 | 1974-10-01 | Meyer Roth Pastor Maschf | Electrode-head for welding apparatus for chain-links |
| US3959965A (en) * | 1974-02-25 | 1976-06-01 | Meyer, Roth & Pastor Maschinenfabrik Gmbh | Method and apparatus for welding a link chain |
| US4211068A (en) * | 1977-12-27 | 1980-07-08 | Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (Gmbh & Co. Kg) | Chain welding machine |
| CN1537686A (en) * | 2002-12-23 | 2004-10-20 | Amt有限公司 | Metal sheet bending unit, particulary for forming lips |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1527503C2 (en) * | 1965-06-15 | 1975-04-10 | Frank 4351 Horneburg Becker | Device for producing welded chain links |
| DE1577064B2 (en) * | 1966-12-13 | 1976-10-28 | Meyer, Roth & Pastor Maschinenfabrik GmbH, 500OKoIn | DEVICE FOR MOVING THE DUSTER STEELS ON AN ELECTRIC BURN-OFF WELDING MACHINE FOR WELDING C-SHAPED CHAIN LINKS |
| DE2251899A1 (en) * | 1972-10-23 | 1974-04-25 | Miebach Gmbh Hugo | Automatic chain welding machine - with upsetting jaws separate from elec-trodes and subsequent deburring station |
| DE2457180C3 (en) * | 1974-12-04 | 1981-11-26 | Meyer, Roth & Pastor Maschinenfabrik GmbH, 5000 Köln | Electric resistance butt or flash welding machine for welding workpieces with rod-shaped ends |
-
2014
- 2014-06-27 DE DE102014212527.8A patent/DE102014212527B3/en not_active Expired - Fee Related
-
2015
- 2015-06-05 SE SE1550740A patent/SE540798C2/en not_active IP Right Cessation
- 2015-06-26 CN CN201510360688.9A patent/CN105215259B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB166104A (en) * | 1920-07-07 | 1922-04-19 | Columbus Mckinnon Chain Compan | Improvements relating to the electrical welding of chain links or the like |
| DE2222869A1 (en) * | 1972-05-10 | 1973-11-22 | Guido Drechsler | Chain link resistance welder control - fitted with hall multipliers |
| US3839617A (en) * | 1973-03-15 | 1974-10-01 | Meyer Roth Pastor Maschf | Electrode-head for welding apparatus for chain-links |
| US3959965A (en) * | 1974-02-25 | 1976-06-01 | Meyer, Roth & Pastor Maschinenfabrik Gmbh | Method and apparatus for welding a link chain |
| US4211068A (en) * | 1977-12-27 | 1980-07-08 | Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (Gmbh & Co. Kg) | Chain welding machine |
| CN1537686A (en) * | 2002-12-23 | 2004-10-20 | Amt有限公司 | Metal sheet bending unit, particulary for forming lips |
Also Published As
| Publication number | Publication date |
|---|---|
| SE1550740A1 (en) | 2015-12-28 |
| CN105215259A (en) | 2016-01-06 |
| DE102014212527B3 (en) | 2015-11-12 |
| SE540798C2 (en) | 2018-11-13 |
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