CN211161569U - Step-by-step flaring mechanism - Google Patents
Step-by-step flaring mechanism Download PDFInfo
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- CN211161569U CN211161569U CN201921226358.0U CN201921226358U CN211161569U CN 211161569 U CN211161569 U CN 211161569U CN 201921226358 U CN201921226358 U CN 201921226358U CN 211161569 U CN211161569 U CN 211161569U
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Abstract
A step flaring mechanism comprises a flaring seat driving mechanism, a flaring seat, a flaring assembly selection assembly and a flaring assembly initialization assembly; the flaring seat driving mechanism drives the flaring seat to move, the flaring assembly is arranged on the flaring seat, the initial position of the flaring assembly is determined by the flaring assembly initialization assembly, then the specific flaring assembly is selected by the flaring assembly selection assembly and is positioned on the flaring seat, then the flaring seat driving mechanism drives the flaring seat to drive the selected flaring assembly to expand the pipe, after the pipe is expanded, the flaring assembly returns to the initial position by the flaring assembly initialization assembly, then the flaring assembly selection assembly selects another specific flaring assembly and is positioned on the flaring seat, and then the flaring seat driving mechanism drives the flaring seat to drive the preselected flaring assembly to expand the pipe.
Description
Technical Field
The utility model relates to a flaring mechanism of heat exchanger work piece, in particular to flaring mechanism step by step.
Background
An important link in the manufacturing process of a heat exchanger workpiece is to perform flaring on a metal pipe, the conventional flaring comprises a flaring cup-shaped opening and a flaring opening, and a flaring head is designed into a corresponding shape under general conditions to finish flaring of all the metal pipes at one time, so that if the number of flares is large, the flaring force is easy to be insufficient, and defective products are formed.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's above-mentioned defect and provide a flaring mechanism step by step, it can realize guaranteeing that flaring power is sufficient to orificial substep flaring.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a step flaring mechanism comprises a flaring seat driving mechanism, a flaring seat, a flaring assembly selection assembly and a flaring assembly initialization assembly; the flaring seat driving mechanism drives the flaring seat to move, the flaring assembly is arranged on the flaring seat, the initial position of the flaring assembly is determined by the flaring assembly initialization assembly, then the specific flaring assembly is selected by the flaring assembly selection assembly and is positioned on the flaring seat, then the flaring seat driving mechanism drives the flaring seat to drive the selected flaring assembly to expand the pipe, after the pipe is expanded, the flaring assembly returns to the initial position by the flaring assembly initialization assembly, then the flaring assembly selection assembly selects another specific flaring assembly and is positioned on the flaring seat, and then the flaring seat driving mechanism drives the flaring seat to drive the preselected flaring assembly to expand the pipe.
More specifically, the flaring seat driving mechanism comprises a driver and a transmission mechanism, wherein the driver drives the flaring seat to move through the transmission mechanism.
Preferably, the driver is a motor with a speed reducer, a driving gear, a driven gear, a screw rod and a screw rod nut seat, the motor is installed on the machine body of the pipe expander through the speed reducer, the driving gear is installed on an output shaft of the speed reducer, the driven gear meshed with the driving gear is installed on the screw rod, one end of the screw rod is supported by the machine body in a rolling mode, the other end of the screw rod penetrates through the flaring seat, and the screw rod nut seat is sleeved outside the screw rod in a penetrating mode and installed on the flaring seat.
In order to ensure that the flaring seat moves stably, a guide mechanism, more specifically a slide block slide rail guide mechanism, is arranged between the flaring seat and the machine body.
Preferably, the flaring assembly comprises an upper connecting rod and a flaring sleeve, wherein the upper connecting rod is provided with spaced annular grooves, and an upper elastic check ring and a lower elastic check ring are placed in the annular grooves; the end part of the flaring sleeve is provided with a flaring head which can process the pipe orifice into a required shape, and the barrel body of the flaring sleeve is provided with a plurality of locking pieces which are arranged at intervals and matched with the flaring selection component locking plate. Preferably, the locking member is a boss.
The flaring select module is installed on the flaring seat, and it includes several deflector, array flaring subassembly locking mechanical system, flaring subassembly locking mechanical system includes jam plate, jam plate drive assembly, sets up flaring select module locking piece on the jam plate, and jam plate drive assembly drive jam plate makes flaring select module locking piece remove at latched position and unblock position, locking piece the jam plate sets up between two adjacent deflector, and the deflector sets up the through-hole that the several can make the flaring subassembly pass through, and deflector, every group flaring subassembly locking mechanical system arrange together in proper order, and consequently, the position of the flaring subassembly of every group flaring subassembly locking mechanical system locking is different, can adapt to the flaring of the different positions of pipe fitting. More specifically, the flaring selection assembly locking piece is a locking hole, the locking hole comprises a large hole and a small hole which are connected together, the large hole allows the flaring assembly to pass through, the small hole just clamps the flaring assembly, and the locking plate driving assembly drives the locking plate to enable the large hole or the small hole to be connected with the flaring assembly, so that the flaring selection assembly is unlocked or locked.
More specifically, the flaring selection assembly comprises a first locking plate, a first guide plate, a second locking plate, a second guide plate, a third locking plate, a third guide plate, a fourth locking plate, a fourth guide plate, a cover plate, a first locking plate driving assembly, a second locking plate driving assembly, a third locking plate driving assembly and a fourth locking plate driving assembly; the cover plate, the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are sequentially installed together, the first lock plate is arranged between the cover plate and the first guide plate, the second lock plate is arranged between the first guide plate and the second guide plate, the third lock plate is arranged between the second guide plate and the third guide plate, and the fourth lock plate is arranged between the third guide plate and the fourth guide plate; the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are all provided with a plurality of through holes through which the flaring assembly can pass, the first locking plate, the second locking plate, the third locking plate and the fourth locking plate are all provided with locking holes, each locking hole comprises a large hole and a small hole which are connected together, the large hole allows the flaring assembly to pass, and the small hole is just used for clamping the flaring assembly; the second locking plate and the third locking plate are further provided with long waist-shaped slotted holes which are arranged at intervals with the locking holes on the second locking plate and the third locking plate, and the cover plate is provided with sleeve through holes through which the flaring sleeves can pass, so that the flaring sleeves can be conveniently replaced. More specifically, the flaring selection assembly selects the flaring assemblies according to two groups, and the flaring actions of all the metal pipes are finished twice, so that only one long waist slotted hole and one lock hole are arranged at intervals, if the flaring selection assembly is divided into three times or more, two long waist slotted holes or more long waist slotted holes and one lock hole can be arranged at intervals, and then the number of the lock plates and the number of the guide plates are required to be increased correspondingly.
Preferably, still set up the side shield, the curb plate is installed respectively on apron, second deflector, third deflector and fourth deflector, blocks first jam plate, second jam plate, third jam plate and fourth jam plate respectively, makes the jam plate hole fix a position accurately at the removal in-process, guarantees all porose axialities.
Preferably, the first lock plate driving assembly comprises a lock plate driver and a lock plate transmission mechanism, and the lock plate driver drives the lock plate through the lock plate transmission mechanism. More specifically, the first lock plate driving assembly includes a cylinder, a connecting rod, and a hinge lever; the cylinder is installed on apron and second deflector, and its piston rod connects the connecting rod, the one end and the connecting rod pivot of articulated rod are connected, and the other end setting is in the recess of first jam plate, through the flexible of piston rod, drives first jam plate round trip movement.
The second lock plate driving assembly, the third lock plate driving assembly and the fourth lock plate driving assembly are identical in structure to the first lock plate driving assembly, and are also identical in connection mode with the corresponding lock plates. Therefore, according to the requirement, corresponding locking plates can be moved through different locking plate driving mechanisms, different flaring assemblies can be clamped or loosened, and the flaring assemblies needing flaring can be selected.
Preferably, the flaring assembly initialization assembly comprises a cylinder, a push plate and a spring; the cylinder is installed on the flaring seat, and its piston rod is connected with the push pedal, and this embodiment cylinder uses the push pedal center to set up two as the symmetric center, and the extension bar upper end of flaring subassembly passes the push pedal to by the last circlip on the extension bar restriction its push pedal of deviating from, the spring is worn to overlap on the extension bar of flaring subassembly, and spring one end is spacing by the push pedal, and the other end is spacing by the lower circlip on the extension bar of flaring subassembly.
Still set up flaring subassembly deflector, the flaring subassembly deflector is installed on the flaring seat, sets up the through-hole of guide flaring subassembly on the flaring subassembly deflector. According to the length of the flaring assembly, an additional flaring assembly guide plate can be added between the flaring assembly guide plate and the flaring selection assembly so as to ensure the stability and accuracy of the movement of the flaring assembly.
Compared with the prior art, the utility model has the advantages of: and the flaring component is locked at different positions through the flaring selection component to realize step-by-step flaring and ensure sufficient flaring force.
Drawings
Fig. 1 is the utility model discloses a three-dimensional structure schematic diagram that step flaring mechanism and electric tube expander fuselage are connected.
Fig. 2 is the embodiment of the utility model provides a three-dimensional structure schematic diagram of step flaring mechanism.
Fig. 3 is a schematic structural diagram of a flaring assembly of the step-by-step flaring mechanism according to the present invention.
Fig. 4 is a schematic structural diagram of a flaring selecting assembly of the step flaring mechanism according to the embodiment of the present invention.
Fig. 5 is a schematic partial view illustrating a lock plate driving mechanism of a step flaring mechanism according to an embodiment of the present invention connected to a first lock plate and a fourth lock plate.
Fig. 6 is a schematic partial view illustrating a lock plate driving mechanism of a step flaring mechanism according to an embodiment of the present invention connected to a second lock plate and a third lock plate.
Fig. 7 is a schematic view of the stepped flaring mechanism according to the embodiment of the present invention in a state ready for flaring.
Fig. 8 is an enlarged view of a portion a in fig. 7.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and 2, a step-by-step flaring mechanism includes a flaring seat driving mechanism 1, a flaring seat 2, a flaring assembly 3, a flaring selection assembly 4, a flaring assembly initialization assembly 5 and a fifth guide plate 6.
The flare seat driving mechanism 1 includes: motor 101, speed reducer 102, driving gear 103, driven gear 104, lead screw 105, lead screw nut seat 106.
The motor 101 is mounted on the machine body 10 of the pipe expander through the speed reducer 102, the driving gear 103 is mounted on an output shaft of the speed reducer, the driven gear 104 meshed with the driving gear is mounted on the screw rod 105, one end of the screw rod 105 is supported by the machine body 10 in a rolling mode, the other end of the screw rod passes through the flaring seat 2, and the screw rod nut seat 106 is sleeved outside the screw rod 105 and mounted on the flaring seat 2 in a penetrating mode.
The motor 101 drives the driving gear 103 to rotate, and the driven gear 104 drives the screw rod 105 to rotate, so that the flaring seat 2 can be driven to move.
In order to make the flaring seat 2 move smoothly, a slide block slide rail guide mechanism 21 is also arranged between the flaring seat 2 and the machine body 10.
As shown in fig. 3, the flaring assembly 3 includes a head rod 30 and a flaring sleeve 31.
The upper extension rod 30 is provided with annular grooves 301 and 302 for receiving the upper circlip 70 and the lower circlip 71, respectively.
The end of the flaring sleeve 31 is provided with a flaring head 311 which can process the pipe orifice into a required shape, and the barrel body of the flaring sleeve is provided with two bosses 312 and 313 at intervals, wherein the bosses are matched with the locking plate of the flaring selection component 4.
As shown in fig. 4, the flare select assembly 4 is mounted on a flare seat 2, which includes: the lock comprises a first lock plate 401, a first guide plate 402, a second lock plate 403, a second guide plate 404, a third lock plate 405, a third guide plate 406, a fourth lock plate 407, a fourth guide plate 408, a cover plate 409, a side baffle 410, a first lock plate driving assembly 411, a second lock plate driving assembly 412, a third lock plate driving assembly 413 and a fourth lock plate driving assembly 414.
The cover plate 409, the first guide plate 402, the second guide plate 404, the third guide plate 406 and the fourth guide plate 408 are sequentially installed together, the first locking plate 401 is arranged between the cover plate 409 and the first guide plate 402, the second locking plate 403 is arranged between the first guide plate 402 and the second guide plate 404, the third locking plate 405 is arranged between the second guide plate 404 and the third guide plate 406, and the fourth locking plate 407 is arranged between the third guide plate 406 and the fourth guide plate 408.
The first guide plate 402, the second guide plate 404, the third guide plate 406 and the fourth guide plate 408 are provided with a plurality of through holes 4021 for allowing the flare assembly 3 to pass through, see fig. 5.
As shown in fig. 5 and 6, the first locking plate 401, the second locking plate 403, the third locking plate 405 and the fourth locking plate 407 are all provided with locking holes, each locking hole comprises a large hole 4012 and a small hole 4013 which are connected together, the large hole 4012 allows the flaring assembly 3 to pass through, and the small hole 4013 just blocks the flaring assembly 3.
As shown in fig. 6, the second locking plate 403 and the third locking plate 405 are further provided with a long waist slot 4031 spaced from the locking hole 4013 thereon, in this embodiment, since the flaring operation of all the metal pipes is completed twice, only one long waist slot 4031 and one locking hole are spaced, if the flaring operation is completed three times or more, two long waist slots 4031 or more and one locking hole can be spaced, and then the number of the locking plates and the number of the guide plates need to be increased correspondingly.
As shown in fig. 8, the cover plate 409 is provided with through holes 4091 through which the flared sleeves 31 may pass when they are replaced.
The side plates 410 are respectively mounted on the cover plate 409, the second guide plate 404, the third guide plate 406 and the fourth guide plate 408, and respectively block the first locking plate 401, the second locking plate 403, the third locking plate 405 and the fourth locking plate 407, so that the locking plate holes are accurately positioned in the moving process, and the coaxiality of all the holes is ensured.
The first lock plate driving assembly 411 includes a cylinder 41, a connecting rod 42, and a hinge lever 43; the cylinder 41 is mounted on the cover plate 409 and the second guide plate 404, the piston rod of the cylinder is connected with the connecting rod 42, one end of the hinge rod 43 is pivotally connected with the connecting rod 42, and the other end is disposed in the recess 4011 of the first lock plate 401, as shown in fig. 5. The first lock plate 401 is driven to move back and forth by the extension and contraction of the piston rod.
The second lock plate driving assembly 412, the third lock plate driving assembly 413 and the fourth lock plate driving assembly 414 have the same structure as the first lock plate driving assembly 411, and have the same connection mode with the corresponding lock plates, which will not be described in detail.
According to the requirements, corresponding locking plates can be moved through different locking plate driving mechanisms, different flaring assemblies 3 are clamped or loosened, and the flaring assemblies 3 needing flaring are selected.
As shown in fig. 7, the flaring assembly initialization assembly 5 includes a cylinder 501, a push plate 502, and a spring 503.
The air cylinder 501 is installed on the flaring seat 2, a piston rod of the air cylinder is connected with the push plate 502, the two air cylinders 501 are arranged by taking the center of the push plate 502 as a symmetrical center, the upper end of the upper connecting rod 30 of the flaring component 3 penetrates through the push plate 502 and is limited to be separated from the push plate 502 by the upper elastic retainer ring 70 on the upper connecting rod 30, the spring 503 is sleeved on the upper connecting rod 30 of the flaring component 3 in a penetrating manner, one end of the spring 503 is limited by the push plate 502, and the other end of the spring 503 is limited by the lower elastic retainer ring 71 on the.
The fifth guide plate 6 is installed on the flaring seat 2, guide holes for guiding the flaring component 3 are formed in the guide plate 6, and a sixth guide plate 61 or more guide plates can be additionally arranged between the fifth guide plate 6 and the flaring selection component 4 according to the length of the flaring component, so that the stability and accuracy of the movement of the flaring component are guaranteed.
In this embodiment, the flaring operation of all the nozzles is completed in two batches, and the working process is as follows: as shown in fig. 7 and 8, the first locking plate 401 is always locked by the first locking plate driving mechanism 411, so as to prevent all the flaring assemblies 3 from being released by external force when not locked by the second locking plate, the third locking plate or the fourth locking plate, and the first locking plate 401 is released only when the flaring sleeve 31 is replaced.
The device is matched with a tube expanding mechanism to be used together, and driven by the tube expanding mechanism, the flaring assembly is divided into two types, one type does not flare, and the other type treats flaring.
The flaring assembly 3, which is not flared, is captured by the fourth locking plate 407, i.e., the aperture 4013 of the locking hole of the fourth locking plate is captured between the two bosses 313 and 312 of the flaring sleeve 31.
The bosses 313 and 312 of the flaring assemblies 3 to be flared are all located between the first locking plate 401 and the fourth locking plate 407, at this time, the flaring assembly initializing assembly 5 starts to operate, the piston rods of the cylinders 501 retract, the springs 503 are compressed, and due to the blocking effect of the elastic check rings 71, the springs 503 drive the flaring assemblies 3 to move until the elastic check rings 71 are blocked by the fifth guide plates 6 and cannot move continuously, so that all the flaring assemblies 3 to be flared are initialized to be located at the same position, then the second locking plate driving assembly 412 drives the second locking plate 403 to move, so that the small holes 4013 of the second locking plate 403 lock the first flaring assemblies 3' to be flared, and the second flaring assemblies 3 "to be flared are located in the long waist slot 4031, and the state diagrams are shown as 7 and 8. When in flaring, the flaring seat 2 drives the flaring component 3 'to move to finish the flaring of the corresponding pipe orifice, and the flaring component 3' does not have flaring force in the long waist slotted hole 4031, can not flare the corresponding pipe orifice, but is pushed back.
The first batch of flares is completed, the flare seat 2 is withdrawn, and the second locking plate 403 is released.
Under the action of the spring 503, the flaring assemblies 3 ″ also reset, all flaring assemblies to be flared are located at the same position, then the third locking plate driving assembly 413 drives the third locking plate 405 to move, so that the small holes 4013 of the third locking plate 403 lock the second batch of flaring assemblies 3 ″ to be flared, and the flaring assemblies 3' of the first batch of flaring are located in the long waist slot 4031. When in flaring, the flaring seat 2 drives the flaring component 3 'to move to finish the flaring of the corresponding pipe orifice, and the flaring component 3' does not have flaring force because of being in the long waist slotted hole 4031, can not flare the corresponding pipe orifice, but is pushed back. The second batch of flaring is completed, the flaring base 2 is withdrawn, and the second locking plate 403 is released.
This completes the flaring of all the nozzles in two passes.
If the flaring of all the nozzles is to be completed at one time, the second locking plate and the third locking plate are moved to lock all the components to be flared.
Claims (10)
1. The utility model provides a step-by-step flaring mechanism which characterized in that: the flaring device comprises a flaring seat driving mechanism, a flaring seat, a flaring assembly selecting assembly and a flaring assembly initializing assembly; the flaring seat driving mechanism drives the flaring seat to move, the flaring assembly is arranged on the flaring seat, the initial position of the flaring assembly is determined by the flaring assembly initialization assembly, then the specific flaring assembly is selected by the flaring assembly selection assembly and is positioned on the flaring seat, then the flaring seat driving mechanism drives the flaring seat to drive the selected flaring assembly to expand the pipe, after the pipe is expanded, the flaring assembly returns to the initial position by the flaring assembly initialization assembly, then the flaring assembly selection assembly selects another specific flaring assembly and is positioned on the flaring seat, and then the flaring seat driving mechanism drives the flaring seat to drive the preselected flaring assembly to expand the pipe.
2. The step flaring mechanism of claim 1, wherein: the flaring seat driving mechanism comprises a driver and a transmission mechanism, and the driver drives the flaring seat to move through the transmission mechanism.
3. The step flaring mechanism of claim 2, wherein: the driver is a motor with a speed reducer, a driving gear, a driven gear, a screw rod and a screw rod nut seat, the motor is installed on the machine body of the pipe expander through the speed reducer, the driving gear is installed on an output shaft of the speed reducer, the driven gear meshed with the driving gear is installed on the screw rod, one end of the screw rod is supported by the machine body in a rolling mode, the other end of the screw rod penetrates through the flaring seat, and the screw rod nut seat is sleeved outside the screw rod in a penetrating mode and installed on the flaring seat.
4. The step flaring mechanism of claim 1, wherein: the flaring assembly comprises an upper connecting rod and a flaring sleeve, wherein the upper connecting rod is provided with spaced annular grooves, and an upper elastic check ring and a lower elastic check ring are placed in the annular grooves; the end part of the flaring sleeve is provided with a flaring head which can process the pipe orifice into a required shape, and the barrel body of the flaring sleeve is provided with a plurality of locking pieces which are arranged at intervals and matched with the flaring selection component locking plate.
5. The step flaring mechanism of claim 4, wherein: the locking piece is a boss.
6. The step flaring mechanism of claim 1, wherein: the flaring select module is installed on the flaring seat, and it includes several deflector, array flaring subassembly locking mechanical system, flaring subassembly locking mechanical system includes jam plate, jam plate drive assembly, sets up flaring select module locking piece on the jam plate, and jam plate drive assembly drive jam plate makes flaring select module locking piece remove at latched position and unblock position, locking piece the jam plate sets up between two adjacent deflector, and the deflector sets up the through-hole that the several can make the flaring subassembly pass through, and deflector, every group flaring subassembly locking mechanical system arrange together in proper order.
7. The step flaring mechanism of claim 6, wherein: the flaring selecting component locking piece is a lock hole.
8. The step flaring mechanism of claim 6, wherein: the flaring selection assembly comprises a first locking plate, a first guide plate, a second locking plate, a second guide plate, a third locking plate, a third guide plate, a fourth locking plate, a fourth guide plate, a cover plate, a first locking plate driving assembly, a second locking plate driving assembly, a third locking plate driving assembly and a fourth locking plate driving assembly; the cover plate, the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are sequentially installed together, the first lock plate is arranged between the cover plate and the first guide plate, the second lock plate is arranged between the first guide plate and the second guide plate, the third lock plate is arranged between the second guide plate and the third guide plate, and the fourth lock plate is arranged between the third guide plate and the fourth guide plate; the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are all provided with a plurality of through holes through which the flaring assembly can pass, the first locking plate, the second locking plate, the third locking plate and the fourth locking plate are all provided with locking holes, each locking hole comprises a large hole and a small hole which are connected together, the large hole allows the flaring assembly to pass, and the small hole is just used for clamping the flaring assembly; the second locking plate and the third locking plate are further provided with long waist-shaped slotted holes and are arranged at intervals with locking holes in the second locking plate and the third locking plate, sleeve through holes through which flaring sleeves can pass are formed in the cover plate, the first locking plate driving assembly, the second locking plate driving assembly, the third locking plate driving assembly and the fourth locking plate driving assembly are identical in structure and comprise locking plate drivers and locking plate transmission mechanisms, and the locking plate drivers drive the locking plates through the locking plate transmission mechanisms.
9. The step flaring mechanism of claim 1, wherein: the flaring assembly initialization assembly comprises an air cylinder, a push plate and a spring; the air cylinder is installed on the flaring seat, a piston rod of the air cylinder is connected with the push plate, the two air cylinders are arranged by taking the center of the push plate as a symmetrical center, the upper end of an upper connecting rod of the flaring assembly penetrates through the push plate, the upper elastic check ring on the upper connecting rod limits the separation of the upper connecting rod from the push plate, the spring is sleeved on the upper connecting rod of the flaring assembly in a penetrating manner, one end of the spring is limited by the push plate, and the other end of the spring is limited by a lower elastic.
10. The step flaring mechanism of claim 1, wherein: still set up flaring subassembly deflector, the flaring subassembly deflector is installed on the flaring seat, sets up the through-hole of guide flaring subassembly on the flaring subassembly deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226358.0U CN211161569U (en) | 2019-07-31 | 2019-07-31 | Step-by-step flaring mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226358.0U CN211161569U (en) | 2019-07-31 | 2019-07-31 | Step-by-step flaring mechanism |
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| CN211161569U true CN211161569U (en) | 2020-08-04 |
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| CN201921226358.0U Active CN211161569U (en) | 2019-07-31 | 2019-07-31 | Step-by-step flaring mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548813A (en) * | 2019-07-31 | 2019-12-10 | 宁波精达成形装备股份有限公司 | Step-by-step flaring mechanism |
-
2019
- 2019-07-31 CN CN201921226358.0U patent/CN211161569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548813A (en) * | 2019-07-31 | 2019-12-10 | 宁波精达成形装备股份有限公司 | Step-by-step flaring mechanism |
| CN110548813B (en) * | 2019-07-31 | 2024-04-09 | 宁波精达成形装备股份有限公司 | Step-by-step flaring mechanism |
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