CN208879547U - A kind of automatic feeder for bending machine - Google Patents
A kind of automatic feeder for bending machine Download PDFInfo
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- CN208879547U CN208879547U CN201821481457.9U CN201821481457U CN208879547U CN 208879547 U CN208879547 U CN 208879547U CN 201821481457 U CN201821481457 U CN 201821481457U CN 208879547 U CN208879547 U CN 208879547U
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- bending machine
- gullet plate
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Abstract
The utility model discloses a kind of automatic feeders for bending machine, including the rack being placed on the ground, the material storage dish for being fixed on the rack and being used to store tubing, and be fixed on the rack and the feed arrangement between material storage dish and bending machine, the bottom of feed arrangement is equipped with the power source to drive feed arrangement；The feed arrangement includes that the fixed board for being fixed on rack two sides, one end are fixed on fixed board and determine gullet plate with what material storage dish was mutually accepted, and are fixed on power source and are located at the dynamic gullet plate determined between gullet plate；It is connected between the feed arrangement and bending machine equipped with bearing plate；Under the driving of power source, dynamic gullet plate misplaces movement relative to gullet plate or more is determined to push tubing edge to move gullet plate and creep towards bearing plate thus one by one feeding of the tubing realized to feed arrangement.By the way that the automatic feeder of bending machine is arranged, achieve the purpose that save human resources, guarantee working efficiency and improve production operation safety.
Description
Technical field
The utility model relates to bending machine technical field, more specifically, it relates to it is a kind of for bending machine it is automatic into
Expect device.
Background technique
The bending machine of the prior art can substantially be divided into CNC tube bending machine, hydraulic pipe bender etc., be mainly used for power construction,
The pipeline of public railway construction, bridge ship etc. is laid with and builds, more, the structurally reasonable, simple operation and other advantages with function.
The feeding device of existing pipe bender is manual charging mostly, can waste a large amount of human resources.
The Chinese patent that an Authorization Notice No. is CN207723241U is now retrieved, which describe a kind of bend pipe machine clamps
Component and bending machine, bending machine clamp assembly include tubing head stationary fixture, and tubing head stationary fixture includes two
The fixture block of symmetrical shape, there are three the elongated slot that section is semicircle, three institutes for setting on a flat surface of each fixture block
The setting direction for stating elongated slot is consistent.Bending machine includes workbench, and bending machine clamp assembly is provided on workbench.Though this device
It so may be implemented while the more root canal materials of bending, improve production efficiency, but be still by way of hand feed, to bend pipe
The technology of processing staff is more demanding with qualification, and recruitment cost is not improved.
Utility model content
The purpose of the utility model is to provide a kind of automatic feeder for bending machine, reach save human resources,
Guarantee working efficiency and improves the purpose of production operation safety.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of automatic feeder for bending machine, including be placed on the ground rack, be fixed on the rack and use
It in the material storage dish of storage tubing, and is fixed on the rack and the feed arrangement positioned at material storage dish and bending machine between, feeding fills
The bottom set is equipped with the power source to drive feed arrangement；The feed arrangement includes the fixed board for being fixed on rack two sides, one
End is fixed on fixed board and determines gullet plate with what material storage dish was mutually accepted, and is located on power source and is located at and determine between gullet plate
Dynamic gullet plate；It is connected between the feed arrangement and bending machine equipped with bearing plate；Under the driving of power source, it is opposite to move gullet plate
In determining gullet plate, dislocation is mobile to push tubing to creep along dynamic gullet plate towards bearing plate to which the tubing of realization fills feeding up and down
The feeding one by one set.
By adopting the above technical scheme, by setting material storage dish and feed arrangement, so that the mode of existing hand feed obtains
Human resources have been liberated in radical change before this, and worker is enabled preferably to distribute other tasks；Then for promoting work effect
Also of great advantage for rate, because machine round-the-clock can work without interruption, and a possibility that malfunctioning, is lower.In addition, right
It can be also greatly improved due to misoperation to this phenomenon that the person of worker causes damages in feed operation.Feeding
Device determine between gullet plate and dynamic gullet plate simply dislocation movement by setting, so that tubing is under the promotion for moving gullet plate,
It first moves up along the saw point straight flange for determining gullet plate, then glides along the saw point bevel edge for determining gullet plate, to realize creeping for zigzag path
Feeding, and tubing is smoothly sent to the clamping device of bending machine, charging is realized using the mechanism of simple motion relationship, is both saved
Cost, and can understand operational movement process convenient for worker avoids maloperation and the safety accident that causes.
Preferably, the dynamic gullet plate is identical as gullet plate quantity is determined, and dynamic gullet plate and respectively adjacent determines gullet plate
Between it is parallel to each other and be of similar shape and orientation, dynamic gullet plate with determine gullet plate in tubing direction of feed and misplace
Setting, and dislocation distance is greater than tubing radius.
By adopting the above technical scheme, gullet plate is determined by setting and accepts tubing, dynamic gullet plate misplaces relative to gullet plate is determined
Move up and down with push tubing and with determine to be formed between gullet plate to the sandwich relationship of tubing so that tubing during feeding more
Stablize.By the way that dynamic gullet plate is arranged and determines the dislocation distance of gullet plate in the vertical direction greater than tubing radius, it can just make pipe
Material will not reversely cross the saw point of dynamic gullet plate when passive gullet plate pushes and moves up vertically, so that feeding procedure failure.
Preferably, the material storage dish includes bottom plate and is fixed on bottom plate two sides vertically and mutually abuts against with tubing both ends
Side plate, bottom plate are tilted down towards one end of bending machine as discharge port naturally, so that the level height of bottom plate discharge port one end
Level height lower than bottom plate far from bending machine one end.
By adopting the above technical scheme, it is tilted down naturally by the way that the bottom plate of material storage dish is arranged, so that being loaded in material storage dish
Tubing do not need that other driving means are arranged, so that it may under the effect of gravity it is natural along side plate successively toward feed arrangement direction
It rolls.By the way that the side plate mutually abutted against with tubing both ends is arranged, lateral limit and guiding role are formed to tubing.
Preferably, parallel and in the same plane respectively between the side plate and respective adjacent fixed board.
By adopting the above technical scheme, so that tubing is after leaving material storage dish and entering feed arrangement, during entire feeding
Still by cross spacing and guiding role.
Preferably, the fixed board and it is respectively adjacent determine parallel to each other between gullet plate, determine gullet plate between fixed board,
Determine gullet plate to be welding as one close to the one end on ground with adjacent fixed board, determining the one end of gullet plate far from ground is towards bending machine side
Sharp bevel edge upward and is sawed towards bending machine direction in the continuous sawtooth arranged to horizontal extension, the equal tip of sawtooth.
By adopting the above technical scheme, point is sawed upward by setting and saws sharp bevel edge and determine gullet plate towards bending machine direction,
So that tubing can be along the saw point bevel edge for determining gullet plate after dynamic gullet plate pushes tubing that tubing bottom end is made to cross the saw point for determining gullet plate
It tumbles forward to realize feeding, so circulation is until tubing reaches at the material folding of bending machine.
Preferably, the lower section for determining to be connected to bottom plate discharge port on gullet plate near the saw point of material storage dish, and the saw
It is mutually accepted with bottom plate on inclined-plane where sharp bevel edge.
It, can be smooth when by adopting the above technical scheme, so that tubing is tumbled from the bottom plate of material storage dish under the effect of gravity
Feed arrangement is smoothly entered, and is stuck between two sawtooth for determining gullet plate, pushes tubing with reality to move gullet plate in next step
Now feeding is prepared.
Preferably, it is equipped with bearing plate between the fixed board at the bending machine, one end of bearing plate and determines on gullet plate most
Saw point close to bending machine mutually welds, and the other end of bearing plate tilts down naturally, the outer rim being fixed at bending machine material folding.
By adopting the above technical scheme, by determining that bearing plate is arranged between gullet plate and bending machine, so that tubing is being passed
Be handed to when determining gullet plate end, can the fixed board under the effect of gravity along rack two sides directly tumble into bending machine clamping device
In groove, automatic feed process is completed without additional clamping or driving means is in addition arranged and saves the occupancy of device
Space.
Preferably, the power source is to be fixed on the rack vertically and the telescopic cylinder group between fixed board, and stretch gas
Cylinder group includes several telescopic cylinders for being uniformly distributed in feed arrangement bottom, and telescopic cylinder includes one end and the affixed cylinder body of rack
With from the outwardly directed piston rod of the cylinder body other end, piston rod is fixed with parallel to the ground and is used to carry far from the one end on ground
The bracket of dynamic gullet plate is installed in bracket two sides perpendicular to bracket end face and the dynamic gullet plate of saw point upward.
By adopting the above technical scheme, by the way that equally distributed telescopic cylinder group is arranged, so that carrying the bracket of dynamic gullet plate
During the motion can stress equalization, realize vertical direction on smooth motion.Telescopic cylinder group can be manipulated by linkage,
Allow and all telescopic cylinders while moving in the same direction, and by external button switch, may be implemented by primary, stretch gas
Cylinder group is just stretched once, and tubing is to feed this Manual Mode of a step forward to control job schedule.
In conclusion the utility model has the following beneficial effects:
1. by setting material storage dish and feed arrangement, so that the mode of existing hand feed obtains radical change, liberation
Human resources；
2. machine round-the-clock can work without interruption, and a possibility that malfunctioning, is lower, has greatly to working efficiency is promoted
Benifit；
3. the personal safety accident for avoiding worker's maloperation from causing by the way that auto-feeder is arranged.
Detailed description of the invention
Fig. 1 is that gullet plate is moved in embodiment in schematic diagram of internal structure when determining below gullet plate；
Fig. 2 is the schematic diagram of internal structure after feed arrangement is combined with material storage dish in embodiment；
Fig. 3 is that gullet plate is moved in embodiment in schematic diagram of internal structure when determining above gullet plate.
In figure, 1, bending machine；2, rack；3, tubing；4, material storage dish；5, bottom plate；6, side plate；7, feed arrangement；8, fixed board；
9, determine gullet plate；10, gullet plate is moved；11, bearing plate；12, telescopic cylinder；13, cylinder body；14, piston rod；15, bracket；16, it presss from both sides
Expect device；17, groove；18, upper mold；19, lower die；20, horizontal roller bearing.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of automatic feeder for bending machine including the rack 2 being placed on the ground and is fixed on referring to Fig. 1
Material storage dish 4 in rack 2 and for storing tubing 3.Material storage dish 4 towards one end of bending machine 1 be discharge port, and in discharge outlet
Equipped with the feed arrangement 7 being fixed in rack 2 and between material storage dish 4 and bending machine 1.7 bottom of feed arrangement is equipped with vertically
The telescopic cylinder 12 being used to provide power.Telescopic cylinder 12 drives feed arrangement 7 that will roll from discharge port by stretching motion back and forth
Tubing 3 out is transmitted toward 1 direction of bending machine step by step, and tubing 3 is smoothly sent to the clamping device 16 of bending machine 1, is completed
Automatic feed.The upper mold 18 of clamping device 16 is mobile to lower die 19, and locks tubing 3 with lower die 19, then clamping device
16 under the driving of hydraulic device around the horizontal roller bearing 20 of neck toward upwarping, tubing 3 is broken curved.The utility model saves manpower
Resource, while ensure that working efficiency, and the safety of production operation can also be greatly improved.
Referring to Fig. 1 and Fig. 2, material storage dish 4 is in the square plate shape of both ends open, including bottom plate 5 is fixed on 5 two sides of bottom plate with vertical
Side plate 6.The bottom plate 5 of material storage dish 4 is tilted down towards one end of bending machine 1 as discharge port naturally, so that the water of discharge port
Flat height is lower than the one end of bottom plate 5 far from bending machine 1.Tubing 3 is sequentially arranged in along the extending direction of bottom plate 5 towards bending machine 1
Among material storage dish 4, side plate 6 of the both ends of tubing 3 respectively with 4 two sides of material storage dish is abutted against, and tubing 3 is existed along side plate 6
It is rolled on bottom plate 5.
The one end of the discharge port of material storage dish 4 with feed arrangement 7 far from bending machine 1 is mutually accepted, and feed arrangement 7 includes vertical solid
It is scheduled on 2 two sides of rack and distinguishes parallel fixed board 8 with the side plate 6 of 4 two sides of material storage dish, fixed board 8 is located at respective adjacent side plate 6
On same plane.The fixed board 8 of the every side of rack 2 is parallel to each other with fixed board 8 with respect to being equipped in the plate face of side direction towards rack 2
Determine gullet plate 9, determine gullet plate 9 and weld together close to the one end on ground with adjacent fixed board 8, determine gullet plate 9 far from ground
One end is the continuous sawtooth arranged towards 1 direction horizontal extension of bending machine, and sharp bevel edge upward and is sawed towards bend pipe in the equal tip of sawtooth
1 direction of machine.Wherein, it is connected to below discharge port near the saw point of material storage dish 4, and inclined-plane and storing where the saw point bevel edge
5 phase of bottom plate of disk 4 is accepted.
The bearing plate 11 for connecting feed arrangement 7 Yu bending machine 1 is also transversely provided between two fixed boards 8.Bearing plate
11 one end tilts down naturally with the saw point phase welding on gullet plate 9 near bending machine 1, the other end of bearing plate 11 is determined,
It is welded as a whole with 16 side of clamping device of bending machine 1.
Referring to fig. 2, it is equipped with vertically between two fixed boards 8 and is fixed in rack 2 and is uniformly distributed in 7 four jiaos of feed arrangement
Telescopic cylinder 12.Telescopic cylinder 12 include the cylinder body 13 that is fixed together of one end and rack 2 with it is outside from 13 other end of cylinder body
The piston rod 14 of stretching.Piston rod 14 is equipped with the bracket 15 of " I " fonts parallel to the ground, bracket 15 far from the one end on ground
Opening is respectively facing bending machine 1 and material storage dish 4.Four feet of bracket 15 weld together with piston rod 14 respectively, so that bracket
15 can be by the way that movement realization rises or is vertically lowered vertically in the same direction while piston rod 14.In bracket 15 close to the two of fixed board 8
It is all installed on side perpendicular to 15 end face of bracket and dynamic gullet plate 10 identical with 9 shape and structure of gullet plate is determined, moves sawtooth
Plate 10, which is located at two, determine between gullet plate 9 and respectively determines that gullet plate 9 is parallel with adjacent, the one end of dynamic gullet plate 10 close to ground
Weld together with the upper surface of bracket 15.Dynamic gullet plate 10 with determine gullet plate 9 in tubing direction of feed and shift to install, when stretching
The piston rod 14 of contracting cylinder 12 all retraction when, dynamic gullet plate 10 with moving straight down, moved on gullet plate 10 near
Inclined-plane where the saw point bevel edge of material storage dish 4 is located at together with the inclined-plane where determining the sharp bevel edge of saw of the gullet plate 9 near material storage dish 4
One plane, and the level height of dynamic gullet plate 10 is lower than determining gullet plate 9.
Referring to Fig. 3, when the piston rod 14 of telescopic cylinder 12 is all released, dynamic gullet plate 10 by with moving straight up
It is dynamic, inclined-plane where the sharp bevel edge of saw on dynamic gullet plate 10 near material storage dish 4 and second is determined on gullet plate 9 close to material storage dish 4
The sharp bevel edge of saw where inclined-plane be generally aligned in the same plane, and the level height of dynamic gullet plate 10 is higher than and determines gullet plate 9.Simultaneously,
It is oblique where the sharp bevel edge of saw on dynamic gullet plate 10 near bending machine 1 when the piston rod 14 of telescopic cylinder 12 is all released
Face is generally aligned in the same plane with the inclined-plane where determining the sharp bevel edge of saw on gullet plate 9 near bending machine 1, and the water of dynamic gullet plate 10
Flat height, which is higher than, determines gullet plate 9.
Under original state, piston rod 14 is entirely located among cylinder body 13, and the level height of dynamic gullet plate 10, which is lower than, determines sawtooth
Plate 9.
When automatic feed process starts, the tubing 3 that both ends are mutually abutted against with 4 two sides side plate 6 of material storage dish is by horizontal cross
It is laid on the bottom plate 5 of material storage dish 4, under the effect of gravity, tubing 3 is successively rolled toward 7 direction of feed arrangement along side plate 6.Work as pipe
When material 3 is rolled to the discharge port of material storage dish 4, is tumbled along the saw point bevel edge that gullet plate 9 is undertaken in below discharge port is determined, be stuck in and determine sawtooth
Between two sawtooth of plate 9.Piston rod 14 starts while being pushed outwardly at this time, pushes bracket 15 and 10 phase of dynamic gullet plate thereon
It is moved up for determining 9 staggering vertical of gullet plate.The sharp bevel edge substitution of the saw of dynamic gullet plate 10 determines the saw point bevel edge of 9 same position of gullet plate
With determine gullet plate 9 the sharp straight flange of saw between form the sandwich relationship to tubing 3, so that the saw point bevel edge of gullet plate 10 be made to push
Tubing 3 moves up vertically along the saw point straight flange for determining gullet plate 9, until 3 bottom end of tubing crosses the saw point for determining gullet plate 9 and along determining sawtooth
Next saw point bevel edge of plate 9 continues to tumble, and during tumbling, the saw point straight flange of next dynamic gullet plate 10 can be kept off to be fed in tubing 3
Front, and buffer function is formed to tumbling for tubing 3, making tubing 3, steadily feeding drops down onto next station, so recycles.By dynamic
Constantly moving up and down for gullet plate 10, realizes mobile feeding process of the tubing 3 towards bending machine 1.
It is worth noting that, the sharp bevel edge substitution of the saw of dynamic gullet plate 10 determines the saw point bevel edge contact of 9 same position of gullet plate
When tubing 3, tubing 3 simultaneously with determine gullet plate 9 saw point straight flange between there are contact relations.Between 3 two contact points of tubing
Horizontal distance has to be larger than 3 radius of tubing, can just make tubing 3 when passive gullet plate 10 pushes and moves up vertically, will not be reversed
The saw point of dynamic gullet plate 10 is crossed, so that feeding procedure failure.
When tubing 3 moves to 7 end of feed arrangement, the sharp bevel edge promotion tubing 3 of the saw of dynamic gullet plate 10 is along determining gullet plate 9
It saws sharp straight flange to move up vertically, after making 3 bottom end of tubing cross and determine the last one the saw point of gullet plate 9, tubing 3 is come on bearing plate 11.
Under the effect of gravity, tubing 3 is directly tumbled along the fixed board 8 of 2 two sides of rack into the groove 17 of clamping device 16, is so far completed certainly
Dynamic fill process.Then the upper mold 18 of clamping device 16 is mobile to lower die 19, and locks tubing 3 with lower die 19, then presss from both sides
Expect device 16 under the driving of hydraulic device around the horizontal roller bearing 20 of neck toward upwarping, tubing 3 is broken curved.It after processing is completed will be upper
Mould 18 unclamps, and takes out shaping pipe 3, and then clamping device 16 is rotated backward around horizontal roller bearing 20 and set back by hydraulic device,
It continues waiting for feeding next time.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of automatic feeder for bending machine, it is characterized in that: including the rack (2) being placed on the ground, being fixed on
Material storage dish (4) in rack (2) and for storing tubing (3), and be fixed on rack (2) and be located at material storage dish (4) and curved
Feed arrangement (7) between pipe machine (1), the bottom of feed arrangement (7) are equipped with the power source to drive feed arrangement (7)；
The feed arrangement (7) include be fixed on the fixed board (8) of rack (2) two sides, one end is fixed on fixed board (8) and and storing
What disk (4) was mutually accepted determines gullet plate (9), and is located on power source and is located at the dynamic gullet plate (10) determined between gullet plate (9)；
Bearing plate (11) are equipped between the feed arrangement (7) and bending machine (1) to be connected；
Under the driving of power source, dynamic gullet plate (10) misplace movement up and down relative to gullet plate (9) is determined to push tubing (3) edge
Dynamic gullet plate (10) are creeped towards bearing plate (11) thus one by one feeding of the tubing (3) realized to feed arrangement (7).
2. a kind of automatic feeder for bending machine according to claim 1, it is characterized in that: the dynamic gullet plate
(10) identical as gullet plate (9) quantity is determined, and dynamic gullet plate (10) with it is respective it is adjacent determine it is parallel to each other between gullet plate (9) and
Be of similar shape and orientation, dynamic gullet plate (10) with determine gullet plate (9) and misplace in tubing (3) direction of feed to set
It sets, and dislocation distance is greater than tubing (3) radius.
3. a kind of automatic feeder for bending machine according to claim 1, it is characterized in that: the material storage dish (4)
Including bottom plate (5) and the side plate (6) that is fixed on bottom plate (5) two sides vertically and is mutually abutted against with tubing (3) both ends, bottom plate (5)
It is tilted down naturally towards one end of bending machine (1) as discharge port, so that the level height of bottom plate (5) discharge port one end is lower than
Level height of the bottom plate (5) far from bending machine (1) one end.
4. a kind of automatic feeder for bending machine according to claim 3, it is characterized in that: the side plate (6) with
It is respectively parallel and in the same plane respectively between adjacent fixed board (8).
5. a kind of automatic feeder for bending machine according to claim 4, it is characterized in that: the fixed board (8) with
It is respectively adjacent to determine parallel to each other between gullet plate (9), determine gullet plate (9) and be located between fixed board (8), it is close to determine gullet plate (9)
The one end on ground is welding as one with adjacent fixed board (8), and determining the one end of gullet plate (9) far from ground is towards bending machine (1) direction
Sharp bevel edge upward and is sawed towards bending machine (1) direction in the continuous sawtooth of horizontal extension arrangement, the equal tip of sawtooth.
6. a kind of automatic feeder for bending machine according to claim 5, it is characterized in that: described determine gullet plate
(9) the saw point near material storage dish (4) is connected to the lower section of bottom plate (5) discharge port, and the inclined-plane where the saw point bevel edge with
Bottom plate (5) is mutually accepted.
7. a kind of automatic feeder for bending machine according to claim 5, it is characterized in that: the fixed board (8) it
Between be equipped with bearing plate (11) at bending machine (1), one end of bearing plate (11) and determine on gullet plate (9) near bending machine
(1) saw point mutually welds, and the other end of bearing plate (11) tilts down naturally, the outer rim being fixed at bending machine (1) material folding.
8. a kind of automatic feeder for bending machine according to claim 1, it is characterized in that: the power source is perpendicular
It is directly fixed on telescopic cylinder (12) group on rack (2) and between fixed board (8), telescopic cylinder (12) group includes several uniform
It is distributed in the telescopic cylinder (12) of feed arrangement (7) bottom, telescopic cylinder (12) includes one end and rack (2) affixed cylinder body
(13) and from the outwardly directed piston rod of cylinder body (13) other end (14), piston rod (14) is fixed with and ground far from the one end on ground
Face is parallel and is used to carry the bracket (15) of dynamic gullet plate (10), is installed in bracket (15) two sides perpendicular to bracket (15) end face
And the dynamic gullet plate (10) of saw point upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821481457.9U CN208879547U (en) | 2018-09-11 | 2018-09-11 | A kind of automatic feeder for bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821481457.9U CN208879547U (en) | 2018-09-11 | 2018-09-11 | A kind of automatic feeder for bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208879547U true CN208879547U (en) | 2019-05-21 |
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ID=66511831
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821481457.9U Active CN208879547U (en) | 2018-09-11 | 2018-09-11 | A kind of automatic feeder for bending machine |
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| Country | Link |
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| CN (1) | CN208879547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560593A (en) * | 2019-08-29 | 2019-12-13 | 安徽三花制冷新材料科技有限公司 | automatic feeding and discharging mechanism of pipe bender |
-
2018
- 2018-09-11 CN CN201821481457.9U patent/CN208879547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560593A (en) * | 2019-08-29 | 2019-12-13 | 安徽三花制冷新材料科技有限公司 | automatic feeding and discharging mechanism of pipe bender |
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