CN109731939A - A kind of extrusion body in molding machine - Google Patents
A kind of extrusion body in molding machine Download PDFInfo
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- CN109731939A CN109731939A CN201811643496.9A CN201811643496A CN109731939A CN 109731939 A CN109731939 A CN 109731939A CN 201811643496 A CN201811643496 A CN 201811643496A CN 109731939 A CN109731939 A CN 109731939A
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Abstract
The present invention provides the extrusion bodies in a kind of molding machine, belong to field of mechanical technique.A kind of extrusion body in molding machine, molding machine includes rack, extrusion body includes push-rod electric machine one, push-rod electric machine two, push-rod electric machine three, push-rod electric machine four, push-rod electric machine five, extrusion die is first, extrusion die two, orientation film is first, position die head two, the inclination of push-rod electric machine one is fixed on the rack, the fixation kit for fixing Middle bar of umbrella is provided on the push rod end of push-rod electric machine one, push-rod electric machine two, push-rod electric machine three, push-rod electric machine four, push-rod electric machine five is consolidated on the rack respectively, push-rod electric machine two is oppositely arranged with push-rod electric machine three, push-rod electric machine four and push-rod electric machine five are oppositely arranged, the push rod of push-rod electric machine two and the push rod of push-rod electric machine four are mutually perpendicular to, the first push rod end for being fixed on push-rod electric machine two of extrusion die, extrusion die two is fixed on the push rod end of push-rod electric machine three, the first fixation of orientation film In the push rod end of push-rod electric machine four.
Description
Technical field
Extrusion body the invention belongs to field of mechanical technique, in especially a kind of molding machine.
Background technique
Umbrella is the tool of a kind of sunshade or masking rain, snow.Generally it is made into oilpaper, oilcloth or plastic cloth etc..The English of umbrella
Umbra of the literary Umbrella from Latin, there is the meaning of sunshade, shaded side.The making material of umbrella normally comprises tool and extends
The cloth of property and other can be used as the material and kinking of skeleton.It is lifted with hand when use, although umbrella is in initial invention
Main purpose, be for block sunlight, but now most the rainy day is often taken as to keep off the rain tool.
In umbrella made, the manufacture of Middle bar of umbrella is after being cut by the null pipe of a root long, then by manually will
The stick is sent into equipment and is squeezed, and traditional pressurizing unit in extrusion process, be easy to cause the out of shape of the stick.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, the extrusion forming in a kind of molding machine is proposed
Mechanism has the advantages that good forming effect, process velocity are fast.
Object of the invention can be realized by the following technical scheme:
A kind of extrusion body in molding machine, the molding machine includes rack, which is characterized in that the extruding
Shaping mechanism includes push-rod electric machine one, push-rod electric machine two, push-rod electric machine three, push-rod electric machine four, push-rod electric machine five, extrusion die
One, extrusion die two, orientation film are first, position die head two, and the inclination of push-rod electric machine one is fixed on the rack, push-rod electric machine
The fixation kit for fixing Middle bar of umbrella, push-rod electric machine two, push-rod electric machine three, push-rod electric machine are provided on one push rod end
Four, push-rod electric machine five is consolidated on the rack respectively, and push-rod electric machine two is oppositely arranged with push-rod electric machine three, push-rod electric machine four and push rod electricity
Machine five is oppositely arranged, and the push rod of the push rod and push-rod electric machine four of push-rod electric machine two is mutually perpendicular to, the first fixation of the extrusion die
In the push rod end of push-rod electric machine two, extrusion die two is fixed on the push rod end of push-rod electric machine three, and orientation film is first to be fixed on
The push rod end of push-rod electric machine four, positioning die head two are fixed on the push rod end of push-rod electric machine five, and orientation film is first and positioning mould
Offer the fixed slot being bonded with Middle bar of umbrella surface on first two, extrusion die is first and extrusion die two on offer and be used for
The crush lobes of extrusion forming.
After fixation kit is fixed by the Middle bar of umbrella on storage assembly, start push-rod electric machine one, by Middle bar of umbrella
Drive to extrusion die is first, extrusion die two, orientation film are first, positioning die head two or four middle, then push-rod electric machine one,
Push-rod electric machine two, push-rod electric machine three, push-rod electric machine four start simultaneously, and orientation film is first, positioning die head two first goes Middle bar of umbrella to connect
Touching, and the side of Middle bar of umbrella is mortgaged, and then extrusion die is first, the crush lobes on extrusion die two start to contact umbrella frame
Medium rod, and the upper and lower surface of Middle bar of umbrella is squeezed, squeeze out sliding slot.
The two sides of Middle bar of umbrella can be squeezed out sliding slot simultaneously by mechanism, in extrusion process, first by orientation film,
Positioning die head two is positioned in advance, prevents from deforming in extrusion process.
In the extrusion forming device of above-mentioned Middle bar of umbrella, the orientation film is first solid with the both ends of positioning die head two
Surely there is limit plate.Middle bar of umbrella enter orientation film it is first positioning die head two between after, be defined by limit plate.
In the extrusion forming device of above-mentioned Middle bar of umbrella, the fixation kit includes fixed frame, movable block one, movement
Block two, fixed block one, fixed block two, support bar one, support bar two, support bar three, first motor and screw rod, the fixed frame
It is fixed on the push rod of push-rod electric machine one, is slidably arranged on fixed frame on the movable block one and movable block two, it is described
Screw rod is rotatably arranged on fixed frame, and one end of screw rod passes through movable block one, and the other end of screw rod passes through movable block two, described
On screw rod with two sections from middle part to both ends along reverse thread, screw rod can drive movable block one and movable block two to move towards
Or be moved away from, the fixed block one is fixed on movable block one, and the support bar one and support bar two are fixed on
Determine on block one, is formed between support bar one and support bar two and be caught in channel, the fixed block two is fixed on movable block two, institute
The support bar three stated is fixed on fixed block two, and the support bar three, which can be caught in, to be opened in channel.
First motor starting drives screw rod rotation, and screw rod drives movable block one and movable block two to move towards, movable block one
Drive support bar one and support bar two mobile, movable block two drives the movement of support bar three, support bar one and support bar two from umbrella frame
One end of medium rod penetrates, and support bar three is penetrated from the other end of Middle bar of umbrella, and support bar three penetrates support bar one and support bar two
Between, and supported inside Middle bar of umbrella, Middle bar of umbrella upper and lower surface after extrusion, internal support bar one, branch
Stay two, support bar three are extruded stuck, the design of three support bars can be quickly from umbrella frame due to the deformation of Middle bar of umbrella
It is detached from inside medium rod.
In the extrusion forming device of above-mentioned Middle bar of umbrella, opened up on the support bar one and support bar two convex with extruding
The corresponding forming tank in portion.After crush lobes extruding, is matched with forming tank, squeeze out fixed shape, during extruding,
It will not deform.
In the extrusion forming device of above-mentioned Middle bar of umbrella, several idler wheels are provided on the upper surface of the support bar three
One, several idler wheels two are provided on the lower surface of support bar three.In support bar one, support bar two, three three of support bar from umbrella frame
Being detached from medium rod is that idler wheel one and idler wheel two play the role of preferably reducing resistance, is easily detached from from Middle bar of umbrella.
In the extrusion forming device of above-mentioned Middle bar of umbrella, support bar one, support bar two, support bar three side can and umbrella
Fitting inside bone medium rod.It prevents from deforming in extrusion process.
In the extrusion forming device of above-mentioned Middle bar of umbrella, support bar one, support bar two, support bar three end be point
End.The design can allow to be easily accessible in Middle bar of umbrella the depth of the night support bar one, support bar two, support bar.
Compared with prior art, the invention has the following advantages that
1, the present invention can quickly form Middle bar of umbrella, automatically, high-efficient.
2, the two sides of Middle bar of umbrella can be squeezed out sliding slot simultaneously by extrusion body, in extrusion process, by fixed
Position film is first, positioning die head two is positioned in advance, prevents from deforming in extrusion process.
3, in support bar one, support bar two, three three of support bar is detached from from Middle bar of umbrella is that idler wheel one and idler wheel two rise
The preferable effect for reducing resistance has been arrived, has easily been detached from from Middle bar of umbrella.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the schematic diagram that orientation film is first in the present invention.
Fig. 4 is the schematic diagram of fixation kit in the present invention.
Fig. 5 is the schematic diagram in the present invention after fixation kit starting.
Fig. 6 is the enlarged drawing in Fig. 5 at B.
In figure, 1, recycling bins；2, storing plate；3, postive stop baffle；4, rotating wheel；4a, storage mouth；5, transfer passage；6, arc
Shape baffle；7, the first roller；8, the second roller；9, conveyer belt；10, storage assembly；11, push-rod electric machine one；12, push-rod electric machine
Two；13, push-rod electric machine three；14, push-rod electric machine four；15, push-rod electric machine five；16, extrusion die is first；17, extrusion die two；18,
Orientation film is first；19, die head two is positioned；20, fixed slot；21, crush lobes；22, limit plate；23, fixed frame；24, movable block
One；25, movable block two；26, fixed block one；27, fixed block two；28, support bar one；29, support bar two；30, support bar three；
31, first motor；32, screw rod；33, idler wheel one；34, idler wheel two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figures 1 to 6, a kind of molding machine, including rack are disposed with for inputting Middle bar of umbrella in rack
Input mechanism, the conveying mechanism for conveying Middle bar of umbrella and the extrusion body for opening up shaping groove on Middle bar of umbrella,
Extrusion body can will send conveying mechanism back to after molding in the middle part of the umbrella frame on conveying mechanism, and recycling bins 1 are additionally provided in rack,
Recycling bins 1 are located at the end of conveying mechanism conveying direction.
The working principle of this molding machine: Middle bar of umbrella is deposited in input mechanism, and then input mechanism successively will wherein
A piece Middle bar of umbrella is sent into conveying mechanism, then during conveying, is carried out Middle bar of umbrella by extrusion body
It squeezes, then sends Middle bar of umbrella back to conveying mechanism, then Middle bar of umbrella after molding is sent into recycling bins 1.
This molding machine can quickly form Middle bar of umbrella, automatically, not need artificial individually processing Middle bar of umbrella, effect
Rate is high.
Specifically, input mechanism includes storing plate 2, postive stop baffle 3 and rotating wheel 4, and storing plate 2 is fixed on the rack, limit
Position baffle 3 is fixed on storing plate 2, and transfer passage 5 is formed between postive stop baffle 3 and storing plate 2, the rotation setting of rotating wheel 4
On the rack, rotating wheel 4 is located at 5 side of transfer passage, if equidistantly circumferentially offering dry storage mouth 4a on rotating wheel 4, stores mouth
4a can be directed at transfer passage 5 for storing Middle bar of umbrella, storage mouth 4a.Rotating wheel 4 carries out driving rotation by driving motor one,
Middle bar of umbrella is stacked into storing plate 2, Middle bar of umbrella is successively exported from transfer passage 5, and then Middle bar of umbrella sequentially enters
In storage mouth 4a on rotating wheel 4, and it is transported in conveyer by storing mouth 4a.
Specifically, curved baffle 6 is fixed in rack, the fitting of curved baffle 6 setting is in 4 outside of rotating wheel.Curved baffle 6
There is gap between rotating wheel 4, curved baffle 6 can block Middle bar of umbrella in the storage mouth 4a of rotating wheel 4, prevent umbrella
Bone medium rod is dropped out mouth 4a is stored.
Specifically, conveying mechanism includes the first roller 7, the second roller 8, conveyer belt 9 and several storage assemblies 10, the first roller
Cylinder 7 and the second roller 8 are rotatably arranged in rack, and the first roller 7 and the second roller 8 are parallel to each other, and conveyer belt 9 is set in first
On roller 7 and the second roller 8, storage assembly 10 is equidistantly fixed on the outer surface of conveyer belt 9, and storage assembly 10 is for storing umbrella frame
Medium rod.First roller 7 drives storage assembly 10 to carry out by the driving rotation of driving motor two, conveyer belt 9 during operating
Rotation, Middle bar of umbrella fall from rotating wheel 4, then into storage assembly 10, are conveyed by conveyer belt 9.
Specifically, storage assembly 10 includes two support rods, and two support rods are separately fixed at the both sides of conveyer belt 9, is propped up
There is groove on strut.Groove can facilitate the positioning and storage of Middle bar of umbrella.
Specifically, extrusion body includes push-rod electric machine 1, push-rod electric machine 2 12, push-rod electric machine 3 13, push rod electricity
Machine 4 14, push-rod electric machine 5 15, extrusion die be first 16, extrusion die 2 17, orientation film are first 18, positioning die head 2 19, push rod
The inclination of motor 1 is fixed on the rack, and the fixation for fixing Middle bar of umbrella is provided on the push rod end of push-rod electric machine 1
Component, push-rod electric machine 2 12, push-rod electric machine 3 13, push-rod electric machine 4 14, push-rod electric machine 5 15 are consolidated on the rack respectively, push rod electricity
Machine 2 12 is oppositely arranged with push-rod electric machine 3 13, and push-rod electric machine 4 14 and push-rod electric machine 5 15 are oppositely arranged, push-rod electric machine 2 12
The push rod of push rod and push-rod electric machine 4 14 be mutually perpendicular to, extrusion die first 16 is fixed on the push rod end of push-rod electric machine 2 12,
Extrusion die 2 17 is fixed on the push rod end of push-rod electric machine 3 13, and orientation film first 18 is fixed on the push rod of push-rod electric machine 4 14
End, positioning die head 2 19 are fixed on the push rod end of push-rod electric machine 5 15, in orientation film first 18 and positioning die head 2 19
The fixed slot 20 being bonded with Middle bar of umbrella surface is offered, is offered on extrusion die first 16 and extrusion die 2 17 for squeezing
Molded crush lobes 21.
After fixation kit is fixed by the Middle bar of umbrella on storage assembly 10, start push-rod electric machine 1, by umbrella frame
Medium rod drives to extrusion die is first 16, extrusion die 2 17, orientation film are first 18, positions the middle of die head 2 19 4, so
Rear push-rod motor 1, push-rod electric machine 2 12, push-rod electric machine 3 13, push-rod electric machine 4 14 start simultaneously, and orientation film is first 18, fixed
Position die head 2 19 first goes Middle bar of umbrella to contact, and the side of Middle bar of umbrella is mortgaged, and then extrusion die is first 16, extrusion die
Crush lobes 21 on 2 17 start to contact Middle bar of umbrella, and the upper and lower surface of Middle bar of umbrella is squeezed, and squeeze out sliding slot.It is squeezing
After the completion of pressure, push-rod electric machine 1 is again started up, and Middle bar of umbrella is sent back in storage assembly 10.
The two sides of Middle bar of umbrella can be squeezed out sliding slot simultaneously by mechanism, in extrusion process, first by orientation film
18, positioning die head 2 19 is positioned in advance, prevents from deforming in extrusion process.
Specifically, the both ends of orientation film first 18 and positioning die head 2 19 are respectively and fixedly provided with limit plate 22.Middle bar of umbrella into
After entering between orientation film first 18 and positioning die head 2 19, it is defined by limit plate 22.
Specifically, fixation kit includes fixed frame 23, movable block 1, movable block 2 25, fixed block 1, fixed block two
27, support bar 1, support bar 2 29, support bar 3 30, first motor 31 and screw rod 32, fixed frame 23 are fixed on push-rod electric machine
It on one 11 push rod, is slidably arranged on fixed frame 23 on movable block 1 and movable block 2 25, screw rod 32 is rotatably arranged on solid
Determine on frame 23, one end of screw rod 32 passes through movable block 1, and the other end of screw rod 32 passes through movable block 2 25, has on screw rod 32
Two sections from middle part to both ends along reverse thread, screw rod 32 can drive movable block 1 and movable block 2 25 move towards or
It is moved away from, fixed block 1 is fixed on movable block 1, and support bar 1 and support bar 2 29 are fixed on fixed block 1
On, it is formed between support bar 1 and support bar 2 29 and is caught in channel, fixed block 2 27 is fixed on movable block 2 25, support bar
3 30 are fixed on fixed block 2 27, and support bar 3 30 can be caught in and open in channel.
First motor 31 starts, and screw rod 32 is driven to rotate, and screw rod 32 drives movable block 1 and movable block 2 25 to move in opposite directions
Dynamic, movable block 1 drives support bar 1 and support bar 2 29 mobile, and movable block 2 25 drives support bar 3 30 mobile, support
Item 1 and support bar 2 29 are penetrated from one end of Middle bar of umbrella, and support bar 3 30 is penetrated from the other end of Middle bar of umbrella, support
Item 3 30 penetrates between support bar 1 and support bar 2 29, and is supported inside Middle bar of umbrella, in the upper of Middle bar of umbrella
After extrusion, internal support bar 1, support bar 2 29, support bar 3 30 are squeezed due to the deformation of Middle bar of umbrella on lower two sides
Press stuck, the designs of three support bars can be quickly detached from inside Middle bar of umbrella.
Specifically, forming tank corresponding with crush lobes 21 is opened up on support bar 1 and support bar 2 29.It is convex squeezing
After portion 21 squeezes, is matched with forming tank, squeeze out fixed shape, during extruding, will not deformed.
Specifically, it is provided with several idler wheels 1 on the upper surface of support bar 3 30, is set on the lower surface of support bar 3 30
It is equipped with several idler wheels 2 34.In support bar 1, support bar 2 29,3 30 three of support bar is detached from from Middle bar of umbrella is, rolls
Take turns 1 and idler wheel 2 34 play the role of preferably reducing resistance, be easily detached from from Middle bar of umbrella.
Specifically, support bar 1, support bar 2 29, support bar 3 30 side can with Middle bar of umbrella inside be bonded.It is anti-
Only deform in extrusion process.
Specifically, support bar 1, support bar 2 29, support bar 3 30 end be tip.The design can allow support
Item 1, support bar 2 29, support bar 3 30 are easier to enter in Middle bar of umbrella.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. the extrusion body in a kind of molding machine, the molding machine includes rack, which is characterized in that described is squeezed into
Type mechanism include push-rod electric machine one, push-rod electric machine two, push-rod electric machine three, push-rod electric machine four, push-rod electric machine five, extrusion die it is first,
Extrusion die two, orientation film are first, position die head two, and the inclination of push-rod electric machine one is fixed on the rack, push-rod electric machine one
Push rod end on be provided with fixation kit for fixing Middle bar of umbrella, push-rod electric machine two, push-rod electric machine three, push-rod electric machine
Four, push-rod electric machine five is consolidated on the rack respectively, and push-rod electric machine two is oppositely arranged with push-rod electric machine three, push-rod electric machine four and push rod electricity
Machine five is oppositely arranged, and the push rod of the push rod and push-rod electric machine four of push-rod electric machine two is mutually perpendicular to, the first fixation of the extrusion die
In the push rod end of push-rod electric machine two, extrusion die two is fixed on the push rod end of push-rod electric machine three, and orientation film is first to be fixed on
The push rod end of push-rod electric machine four, positioning die head two are fixed on the push rod end of push-rod electric machine five, and orientation film is first and positioning mould
Offer the fixed slot being bonded with Middle bar of umbrella surface on first two, extrusion die is first and extrusion die two on offer and be used for
The crush lobes of extrusion forming.
2. the extrusion body in a kind of molding machine according to claim 1, which is characterized in that the orientation film head
One is respectively and fixedly provided with limit plate with the both ends for positioning die head two.
3. the extrusion body in a kind of molding machine according to claim 1, which is characterized in that the fixation kit
Including fixed frame, movable block one, movable block two, fixed block one, fixed block two, support bar one, support bar two, support bar three,
One motor and screw rod, the fixed frame are fixed on the push rod of push-rod electric machine one, on the movable block one and movable block two
It is slidably arranged on fixed frame, the screw rod is rotatably arranged on fixed frame, and one end of screw rod passes through movable block one, screw rod
The other end passes through movable block two, on the screw rod with two sections from middle part to both ends along reverse thread, screw rod can drive
Movable block one and movable block two are moved towards or are moved away from, and the fixed block one is fixed on movable block one, described
Support bar one and support bar two are fixed on fixed block one, are formed between support bar one and support bar two and are caught in channel, described
Fixed block two is fixed on movable block two, and the support bar three is fixed on fixed block two, and the support bar three can be caught in
It opens in channel.
4. the extrusion body in a kind of molding machine according to claim 3, which is characterized in that the support bar one
With forming tank corresponding with crush lobes is opened up on support bar two.
5. the extrusion body in a kind of molding machine according to claim 4, which is characterized in that the support bar three
Upper surface on be provided with several idler wheels one, several idler wheels two are provided on the lower surface of support bar three.
6. the extrusion body in a kind of molding machine according to claim 5, which is characterized in that support bar one, support
Item two, support bar three side can with Middle bar of umbrella inside be bonded.
7. the extrusion body in a kind of molding machine according to claim 6, which is characterized in that the support bar
One, support bar two, support bar three end be tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643496.9A CN109731939A (en) | 2018-12-29 | 2018-12-29 | A kind of extrusion body in molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643496.9A CN109731939A (en) | 2018-12-29 | 2018-12-29 | A kind of extrusion body in molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109731939A true CN109731939A (en) | 2019-05-10 |
Family
ID=66362620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643496.9A Pending CN109731939A (en) | 2018-12-29 | 2018-12-29 | A kind of extrusion body in molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109731939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653808A (en) * | 2022-03-15 | 2022-06-24 | 绍兴市上虞舜达制管有限公司 | Umbrella pipe processing equipment |
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|---|---|---|---|---|
| US4907326A (en) * | 1987-01-21 | 1990-03-13 | Mannesmann Aktiengesellschaft | System for manipulation of small-diameter pipes and a processing device for vehicular brake, fuel and hydraulic lines |
| CN104001770A (en) * | 2014-05-27 | 2014-08-27 | 佛山市豹王滤芯制造有限公司 | Processing device for filter locating slot |
| CN105234263A (en) * | 2015-11-16 | 2016-01-13 | 重庆持恒模具有限公司 | Piercing die for piercing in sidewall of round tube |
| CN206437767U (en) * | 2016-12-13 | 2017-08-25 | 天津塔尔森科技发展有限公司 | A kind of new lifting steel pipes device |
| CN207401954U (en) * | 2017-10-12 | 2018-05-25 | 台州市华丰空调阀门有限公司 | A kind of fixed point punching device of muffler |
-
2018
- 2018-12-29 CN CN201811643496.9A patent/CN109731939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907326A (en) * | 1987-01-21 | 1990-03-13 | Mannesmann Aktiengesellschaft | System for manipulation of small-diameter pipes and a processing device for vehicular brake, fuel and hydraulic lines |
| CN104001770A (en) * | 2014-05-27 | 2014-08-27 | 佛山市豹王滤芯制造有限公司 | Processing device for filter locating slot |
| CN105234263A (en) * | 2015-11-16 | 2016-01-13 | 重庆持恒模具有限公司 | Piercing die for piercing in sidewall of round tube |
| CN206437767U (en) * | 2016-12-13 | 2017-08-25 | 天津塔尔森科技发展有限公司 | A kind of new lifting steel pipes device |
| CN207401954U (en) * | 2017-10-12 | 2018-05-25 | 台州市华丰空调阀门有限公司 | A kind of fixed point punching device of muffler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653808A (en) * | 2022-03-15 | 2022-06-24 | 绍兴市上虞舜达制管有限公司 | Umbrella pipe processing equipment |
| CN114653808B (en) * | 2022-03-15 | 2022-09-20 | 绍兴市上虞舜达制管有限公司 | Umbrella pipe processing equipment |
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Effective date of abandoning: 20210528 |