CN208528304U - Sandwich style metal weldment friction welding tooling - Google Patents
Sandwich style metal weldment friction welding tooling Download PDFInfo
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- CN208528304U CN208528304U CN201821127950.0U CN201821127950U CN208528304U CN 208528304 U CN208528304 U CN 208528304U CN 201821127950 U CN201821127950 U CN 201821127950U CN 208528304 U CN208528304 U CN 208528304U
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Abstract
Sandwich style metal weldment friction welding tooling, including the upper layer fixture for clamping upper layer metalwork, the middle layer fixture for clamping middle layer metal part and lower layer's fixture for clamping lower metal part, characterized by further comprising the rotations connecting with external drive device drives to hit component and the pressure assembly on the fixture of upper layer for compressing upper layer metalwork, middle layer metal part and lower metal part, the rotation hits component and is mounted in middle layer fixture periphery, rotation hits component high-speed rotation and hits middle layer fixture, and middle layer fixture is pushed to vibrate in the horizontal direction.The utility model improves the intensity of friction welding between metal, avoids generating gap, can accurately control the thickness proportion of each metal layer, the welding used time is short, and high-efficient, the reliability and quality of welding are higher.
Description
Technical field
The utility model relates to a kind of sandwich style metal weldment friction welding toolings, the vibration friction for metalwork
Welding, belongs to Friction welding technique field.
Background technique
Cpc product is a kind of sandwich composite material, and composition is copper/molybdenum copper/copper, because this material has well
Thermal coefficient and low linear expansion coefficient, therefore it is widely used in semicon industry, such as radar as heat sink material,
Base station, microwave radio, the field of laser radio frequency.
The production technology of existing cpc product has:
1, argon arc welding: copper sheet and molybdenum copper sheet are used in vacuum welding equipment, with the mode of argon arc welding by copper sheet and
Molybdenum copper sheet welds together, then come complex copper and molybdenum copper by way of hot rolling.The disadvantage is that the time of argon arc welding is long, and
It is easy to appear and welds bad situation, when method hot rolling, cause compound interface intensity not high because of oxidation, there is gap
The phenomenon that.Such case is difficult to find, finally makes the consistency of product bad, be easy to appear problem.2, fusing sintering: by copper
Then plate and molybdenum copper sheet heat in a crystal vessel and melt copper, so that copper bonds together with molybdenum copper, then cool down
Get off, obtain the blank of cpc, then is carried out by way of hot rolling compound.The disadvantage is that solidifying again after copper fusing, it is easy to appear gas
Hole, this stomata it is subsequent it is compound in be difficult to remove so that the quality of product is bad.Meanwhile because copper melts later thickness
Degree is difficult to control, therefore the ratio of cpc is caused to be difficult to control.3, rivet is fixed:
Copper sheet and molybdenum copper sheet are fixed by the way of riveting, then carried out by way of hot rolling it is compound, by copper and molybdenum
Copper links together.Disadvantage is that the fixed mode of rivet is not avoided that oxidation in the hot rolling, therefore compound interface completely
It is low that there are intensity, there is the phenomenon that gap, and this mode is the mode of most original, can use in initial research and development test, batch
Production will not be used.
The existing patent document of correlation detected:
1,102528269 A of CN, physical simulation test device for linear friction welding；
2,107813504 A of CN, a kind of Vibration welding head；
3,108015408 A of CN, a kind of non pull rod type spin friction bonding machine；,
4,107962309 A of CN, vibration friction welding machine.
Without solving in metal friction welding, metal composite surface intensity is not high, there are gaps etc. to ask in existing patent document
It inscribes, the quality of friction welding need to be improved between metal.
Utility model content
Sandwich style metal weldment friction welding tooling provided by the utility model, improve metal between friction welding it is strong
Degree avoids generating gap, can accurately control the thickness proportion of each metal layer, the welding used time is short, high-efficient, the reliability of welding
It is higher with quality.
To achieve the above purpose, the technical solution of the present invention is:
Sandwich style metal weldment friction welding tooling, including for clamping upper layer metalwork upper layer fixture, be used for
Clamp the middle layer fixture of middle layer metal part and lower layer's fixture for clamping lower metal part, it is characterised in that further include and outside
The rotation that driving equipment is drivingly connected hit component and on the fixture of upper layer for by upper layer metalwork, middle layer metal part and under
The pressure assembly that layer metalwork compresses, the rotation hit component and are mounted in middle layer fixture periphery, and rotation is hit component high speed and turned
It is dynamic to hit middle layer fixture, push middle layer fixture to vibrate in the horizontal direction.
Wherein, symmetrically equipped with forging platform at left and right sides of the middle layer fixture, it includes mounted in forging that component is hit in the rotation
Gear ring on the outside of platform, the gear ring engage connection with the driving gear in external drive equipment, and gear ring medial surface and forging platform are not
Contact, and ram is fixed on the medial surface of gear ring, ram hits forging platform with the rotation of gear ring, pushes forging platform horizontal reciprocating
Movement, so that middle layer fixture be driven to vibrate in the horizontal direction.
Wherein, lower layer's fixture is placed on platform, and equipped with the guiding with forging platform guiding cooperation on the platform
Support, forging platform move back and forth in the horizontal direction under the guiding of guide support.
Wherein, the guide support includes the support column being vertically fixed on platform and leading mounted in upper end of support column
Rail, forging platform bottom have sliding block, are provided with the sliding slot matched with sliding block on guide rail.
Wherein, the medial surface of the gear ring is uniformly distributed three rams, and ram is the cylinder being vertically arranged, and hits
Hitting part and forging platform is hard alloy material, and the side that forging platform is knocked is cylindrical surface.
Wherein, the radial clearance of the gear ring medial surface and forging platform is 1 ~ 2mm, the diameter of the prominent gear ring medial surface of ram
To 1.5 ~ 2 times of the radial clearance with a thickness of gear ring medial surface and forging platform.
Wherein, fixed vertical oil cylinder among lower layer's clamp base, the vertical oil cylinder pass through platform, and vertical
The extension end of oil cylinder is equipped with position sensor, and the pressure assembly is cylinder, and pressure sensor is housed on the extension end of cylinder.
The utility model has the beneficial effects that
1, the utility model is clamped metalwork to be welded with upper, middle and lower three-layer fixture, and is compressed with component is pushed, and is led to
The high-speed rotation that component is hit in rotation is crossed, the horizontal reciprocating movement for pushing middle layer fixture to do high speed vibrates, to keep middle layer golden
Belong to part high-speed friction upper layer metalwork and lower metal part, high-frequency friction generates heat, by upper layer metalwork and lower layer's gold
Belong to being melted by rubbing surface for part, then in the case where pressure maintaining, carrying out cooling makes upper layer metalwork and lower metal part clinkering in
On layer metalwork, sandwich style metal weldment is formed, the intensity of friction welding between metal can be effectively improved, that improves welding can
By property.
2, with frictional heat generation, the principle of rubbing surface is melted, the rubbing surface of upper layer metalwork and lower metal part is carried out
Fusing can effectively control the fusing thickness of rubbing surface, to accurately control by adjusting the frequency of vibration and the time of vibration
The thickness proportion of each metal layer.
3, it since the vibration of middle layer metal part is completed in the case where pressure maintaining, can not only produce rapidly in the process of movement
Heat amount, and the residual air that can be effectively discharged between contact surface, air can be effectively prevent by carrying out cooling in the case where pressure maintaining
Into in clinkering face, avoiding metal bonding face from generating gap, the quality of welding is higher.
4, the gear ring that rotation hits in component engages connection with the driving wheel of external drive equipment, adjusts external drive equipment
Driving wheel revolving speed, the revolving speed of gear ring can be adjusted, to adjust the collision frequency of ram in gear ring and forging platform, realized
The high-frequency vibration of middle layer metal part makes the rapid melting of the rubbing surface of lower metal part and upper layer metalwork, and the welding used time is few, effect
Rate is high.
5, the movement of forging platform is oriented to guide support, guarantees that the vibration of middle layer metal part is straight reciprocating motion,
The direction of vibration of middle layer metal part is consistent and frequency is higher, higher to the friction efficiency of upper layer metalwork and lower metal part, produces
Raw heat is bigger, make upper layer metalwork and lower metal part by rubbing surface along direction of vibration uniform melt.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of sandwich style metal weldment friction welding tooling in specific embodiment.
Fig. 2 is the structural schematic diagram that ram is mounted in gear ring medial surface.
Fig. 3 is the structural schematic diagram for forging platform.
Fig. 4 is the structural schematic diagram of guide support.
Specific embodiment
The utility model will be further described by attached drawing 1 ~ 4 and embodiment below.
Sandwich style metal weldment friction welding tooling, including for clamping upper layer metalwork upper layer fixture 1, be used for
Clamp the middle layer fixture 2 of middle layer metal part and lower layer's fixture 3 for clamping lower metal part, it is characterised in that further include with outside
The rotation that portion's driving equipment is drivingly connected is hit component 4 and is used on upper layer fixture 1 by upper layer metalwork, middle layer metal part
The pressure assembly 5 compressed with lower metal part, the rotation hit component 4 and are mounted in 2 periphery of middle layer fixture, and component is hit in rotation
4 high-speed rotations hit middle layer fixture 2, and middle layer fixture 2 is pushed to vibrate in the horizontal direction.
As shown, being clamped metalwork to be welded with upper, middle and lower three-layer fixture, and compressed, is passed through with component 5 is pushed
The high-speed rotation of component 4 is hit in rotation, and the horizontal reciprocating movement for pushing middle layer fixture 2 to do high speed vibrates, to keep middle layer golden
Belong to part B high-speed friction upper layer metalwork A and lower metal part C, high-frequency friction generates heat, by upper layer metalwork A under
Layer metalwork C's is melted by rubbing surface, then in the case where pressure maintaining, and carrying out cooling makes upper layer metalwork and lower metal part clinkering
In middle level on metalwork, sandwich style metal weldment is formed.The pressure for the pushing component 5 for needing to illustrate cannot be excessive, to protect
During 4 high-speed rotation of component is hit in rotation, the impact force that middle layer fixture 2 is born is greater than suffered by middle layer metal part card
Frictional force, enable middle layer metal part that frictional force between upper layer metalwork and lower metal part to be overcome to generate vibration.
Symmetrically equipped with forging platform 21, it includes mounted in forging platform that component 4 is hit in the rotation for 2 left and right sides of middle layer fixture
The gear ring 42 in 21 outsides, the gear ring 42 engage connection with the driving gear in external drive equipment, 42 medial surface of gear ring and
Forging platform 21 does not contact, and ram 41 is fixed on the medial surface of gear ring 42, and ram 41 hits forging platform with the rotation of gear ring 42
21, forging 21 horizontal reciprocating movement of platform is pushed, so that middle layer fixture 2 be driven to vibrate in the horizontal direction.
When 42 high-speed rotation of gear ring, the high-speed rotation therewith of ram 41 is hit a forging platform 21 during rotation, is made
Middle layer fixture 2 moves, and when ram 41 hits another forging platform 21, middle layer fixture 2 can move back again, with ram
41 high-speed rotation, high-frequency and high speed carry out alternately shock to two forging platforms 21, to form the high speed of middle layer fixture 2
It moves back and forth, that is, vibrates.And gear ring 42 engages connection with the driving wheel of external drive equipment, adjusts the drive of external drive equipment
The revolving speed of driving wheel, can adjust the revolving speed of gear ring 42, so that the collision frequency of the ram 41 and forging platform 21 in gear ring 42 is adjusted,
The high-frequency vibration for realizing middle layer metal part makes the rapid melting of the rubbing surface of lower metal part and upper layer metalwork, welds the used time
It is few, it is high-efficient.
Wherein, lower layer's fixture 3 is placed on platform 6, and is equipped on the platform 6 and the forging guiding cooperation of platform 21
Guide support 7, forging platform 21 move back and forth in the horizontal direction under the guiding of guide support 7.
The guide support 7 includes the support column 71 being vertically fixed on platform 6 and leading mounted in 71 upper end of support column
Rail 72, forging 21 bottom of platform have sliding block 21.1, are provided with the sliding slot 72.1 matched with sliding block 21.1 on guide rail 72.
The movement for forging platform 21 with 7 pairs of guide support is oriented to, and guarantees that the vibration of middle layer metal part is straight reciprocating motion,
According to the shortest principle of straight line between two o'clock, the vibration displacement of middle layer metal part is minimum, the vibration of same time mesonexine metalwork
Dynamic frequency highest, higher to the friction efficiency of upper layer metalwork and lower metal part, the heat of generation is bigger, makes upper layer metalwork
With lower metal part by rubbing surface along direction of vibration uniform melt.
Wherein, the medial surface of the gear ring 42 is uniformly distributed three rams 41, is forged with three rams 41 to two
Platform 21 carries out alternately shock, improves collision frequency, to improve the vibration frequency of middle layer metal part, ram 41 is vertically to set
The cylinder set, ram 41 and forging platform 21 are hard alloy material, and the side that forging platform 21 is knocked is cylindrical surface.Pass through cylinder
Face is contacted with the shock on cylindrical surface, improves the instantaneous touch impact force of forging platform 21 and ram 41, thus for the movement of forging platform 21
Sufficiently large kinetic energy is provided, and cemented carbide material guarantees that ram 41 and forging platform 21 will not occur in continuous knockout process
Deformation or abrasion, improve service life.
Wherein, the radial clearance of 42 medial surface of gear ring and forging platform 21 is 1 ~ 2mm, and ram 41 protrudes in gear ring 42
The radial thickness of side is 1.5 ~ 2 times of the radial clearance of 42 medial surface of gear ring and forging platform 21, it is ensured that 41 pairs of forging platforms 21 of ram
Carry out effective contact impact.
Wherein, fixed vertical oil cylinder 8 among 3 bottom of lower layer's fixture, the vertical oil cylinder 8 pass through platform 6, and
The extension end of vertical oil cylinder 8 is equipped with position sensor, the height of lower layer's fixture 3 is adjusted by vertical oil cylinder 8, to facilitate root
The spacing between upper layer fixture 1 and lower layer's fixture 3 is adjusted according to the thickness of each layer metalwork, is grasped and is adjusted by position sensor
Real time data improves the convenience of adjusting.The pressure assembly 5 is cylinder, and pressure sensor is housed on the extension end of cylinder,
Equally by the sensed data of pressure sensor, facilitate the stretching pressure for adjusting cylinder.
Sandwich style metal weldment friction welding method, using above-described sandwich style metal weldment friction welding (FW)
It connects tooling to be welded, welding step are as follows:
The first step carries out Thickness sensitivity and surface to upper layer metalwork to be welded, middle layer metal part and lower metal part
After decontamination, it is respectively charged into upper layer fixture 1, middle layer fixture 2 and lower layer's fixture 3；
Second step, starting pressure assembly 5 apply lateral pressure for upper layer metalwork, middle layer metal part and lower metal part pressure
Tightly；
Third step, starting external drive device drives rotation hit 4 high-speed rotation of component, hit and rush middle layer fixture 2, in promotion
Layer fixture 2 vibrates in the horizontal direction, so that middle layer metal part friction upper layer metalwork and lower metal part are driven, until upper layer gold
Belong to being melted by rubbing surface for part and lower metal part, closes external drive equipment；
4th step, natural cooling in the case where pressure maintaining form sandwich style metal weldment；
5th step closes pressure assembly 5, takes out sandwich style metal weldment.
Wherein, the lateral pressure value that pressure assembly 5 applies in second step is 5mpa ~ 30mpa, rotates shock group in third step
4 revolving speed of part is 800 revs/min ~ 2000 revs/min, is obtained by carrying out multiple repetition test to metal weldment when pressure group
In the lateral pressure value that part 5 applies is between 5mpa ~ 30mpa, the revolving speed of gear ring 42 must be at 800 revs/min ~ 2000 revs/min
Between clock, middle layer metal part B could gram report frictional force generation high-frequency vibration.Rotation time is 60s ~ 120s, guarantees upper layer metal
Part and lower metal part are uniformly generated melting zone by rubbing surface, and cooling time is at least 180 s in the 4th step, guarantees protecting
Melting zone is by abundant clinkering in the case where pressure.
Below according to above-described sandwich style metal weldment friction welding method to the welding process of CPC composite plate
It is described in detail:
The first step, prepares two pieces of copper sheet of 2.1 × 80 × 160 mm, and 1 piece of the 70 molybdenum copper sheet of 8.0 × 80 × 160mm carries out
After Thickness sensitivity and surface decontamination, copper sheet is respectively charged into upper layer fixture 1 and lower layer's fixture 3, and molybdenum copper sheet is packed into middle layer fixture 2；
Second step, starting pressure assembly 5 apply the lateral pressure of 10mpa for upper layer metalwork, middle layer metal part and lower layer
Metalwork compresses；
4 high-speed rotation of component is hit in third step, starting external drive device drives rotation, and revolving speed is 1500 revs/min, is turned
The dynamic time is 90 seconds；
4th step, natural cooling at least 180s form CPC composite plate；
5th step closes pressure assembly 5, takes out CPC composite plate.
Ultrasonic scanning, internal zero defect are carried out to the CPC composite plate of taking-up.It is sampled with wire cutting, it is thick that sem measures layers of copper
Degree is 2.02mm, and molybdenum copper layer thickness is 8.0mm, and it is distortionless that compound interface is straight, and the thickness proportion control of each metal layer is accurate.
The advantages of above-described sandwich style metal weldment friction welding tooling and method, is:
1, the intensity that can effectively improve friction welding between metal, improves the reliability of welding.
2, the fusing thickness for effectively controlling rubbing surface, to accurately control the thickness proportion of each metal layer.
3, metal bonding face is avoided to generate gap, the quality of welding is higher.
4, the welding used time is few, high-efficient.
5, make upper layer metalwork and lower metal part by rubbing surface along direction of vibration uniform melt.
6, convenient for control, facilitate adjusting, practicability is high.
It is completely described in conjunction with technical solution of the attached drawing to the utility model embodiment above, it should be noted that being retouched
The embodiment stated is only the utility model a part of the embodiment.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the utility model protection
Range.
Claims (7)
1. sandwich style metal weldment friction welding tooling, including for clamping upper layer metalwork upper layer fixture (1), be used for
Clamp the middle layer fixture (2) of middle layer metal part and lower layer's fixture (3) for clamping lower metal part, it is characterised in that further include
The rotation that is connect with external drive device drives hit component (4) and on upper layer fixture (1) for by upper layer metalwork, in
The pressure assembly (5) that layer metalwork and lower metal part compress, the rotation hit component (4) and are mounted in middle layer fixture (2) outside
Week, rotation hit component (4) high-speed rotation and hit middle layer fixture (2), and middle layer fixture (2) is pushed to vibrate in the horizontal direction.
2. sandwich style metal weldment friction welding tooling according to claim 1, it is characterised in that the middle layer
Symmetrically equipped with forging platform (21) at left and right sides of fixture (2), it includes the tooth on the outside of forging platform (21) that component (4) are hit in the rotation
It encloses (42), the gear ring (42) engages connection, gear ring (42) medial surface and forging platform with the driving gear in external drive equipment
(21) it does not contact, and is fixed with ram (41) on the medial surface of gear ring (42), ram (41) is hit with the rotation of gear ring (42)
Forging platform (21) is hit, forging platform (21) horizontal reciprocating movement is pushed, so that middle layer fixture (2) be driven to vibrate in the horizontal direction.
3. sandwich style metal weldment friction welding tooling according to claim 2, it is characterised in that the lower layer
Fixture (3) is placed on platform (6), and equipped with the guide support (7) with forging platform (21) guiding cooperation, forging on the platform (6)
Platform (21) moves back and forth in the horizontal direction under the guiding of guide support (7).
4. sandwich style metal weldment friction welding tooling according to claim 3, it is characterised in that the guiding
Support (7) includes the support column (71) being vertically fixed on platform (6) and the guide rail (72) for being mounted in support column (71) upper end, forges platform
(21) bottom has sliding block (21.1), is provided with the sliding slot (72.1) matched with sliding block (21.1) on guide rail (72).
5. sandwich style metal weldment friction welding tooling according to claim 2, it is characterised in that the gear ring
(42) medial surface is uniformly distributed three rams (41), and ram (41) is the cylinder being vertically arranged, ram (41) and
Forging platform (21) is hard alloy material, and the side that forging platform (21) is knocked is cylindrical surface.
6. sandwich style metal weldment friction welding tooling according to claim 5, it is characterised in that the gear ring
(42) medial surface and the radial clearance of forging platform (21) are 1 ~ 2mm, the radial thickness of prominent gear ring (42) medial surface of ram (41)
For gear ring (42) medial surface and 1.5 ~ 2 times of the radial clearance of forging platform (21).
7. sandwich style metal weldment friction welding tooling according to claim 3, it is characterised in that the lower layer
Fixed vertical oil cylinder (8), the vertical oil cylinder (8) pass through platform (6) among fixture (3) bottom, and vertical oil cylinder (8) are stretched
Outlet is equipped with position sensor, and the pressure assembly (5) is cylinder, and pressure sensor is housed on the extension end of cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127950.0U CN208528304U (en) | 2018-07-17 | 2018-07-17 | Sandwich style metal weldment friction welding tooling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821127950.0U CN208528304U (en) | 2018-07-17 | 2018-07-17 | Sandwich style metal weldment friction welding tooling |
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| CN208528304U true CN208528304U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608110A (en) * | 2018-07-17 | 2018-10-02 | 株洲佳邦难熔金属股份有限公司 | Sandwich style metal weldment friction welding tooling and method |
-
2018
- 2018-07-17 CN CN201821127950.0U patent/CN208528304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608110A (en) * | 2018-07-17 | 2018-10-02 | 株洲佳邦难熔金属股份有限公司 | Sandwich style metal weldment friction welding tooling and method |
| CN108608110B (en) * | 2018-07-17 | 2024-02-27 | 株洲佳邦难熔金属股份有限公司 | Sandwich type metal welding piece friction welding tool and method |
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