CN209273919U - A kind of paste extruder - Google Patents
A kind of paste extruder Download PDFInfo
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- CN209273919U CN209273919U CN201821638572.2U CN201821638572U CN209273919U CN 209273919 U CN209273919 U CN 209273919U CN 201821638572 U CN201821638572 U CN 201821638572U CN 209273919 U CN209273919 U CN 209273919U
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- extruded stock
- mandrel
- paste extruder
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Abstract
The utility model relates to a kind of extruders, and in particular to a kind of paste extruder.A kind of paste extruder, including coaxial line installation thrust assemblies, be fixedly connected on elevating mechanism extruded stock chamber, be fixedly mounted on mandrel component on axial line, the push plate of thrust assemblies is pumped by dynamical element drives edge mandrel component, the intracavitary portion of extruded stock includes upper cylindrical inner cavity and lower hopper type inner cavity, funnel type intracavity bottom is discharge port, mandrel component bottom end and discharge port cooperation control extruding pipe material pipe thickness, elevating mechanism include the dynamical element for being fixedly connected with fixed plate, driving fixed plate outside extruded stock chamber and moving up and down.Extruded stock chamber is moved to lower feeding by elevating mechanism, cooperated after feeding by mobile and thrust assemblies, dynamical element driving push plate squeezes from discharge port extrusion molding raw material, after extrusion, extruded stock chamber moves down into lower by elevating mechanism, and convenient feeding again continues to complete next working cycles.
Description
Technical field
The utility model relates to a kind of extruders, more specifically, it relates to a kind of paste extruder.
Background technique
Polytetrafluoroethylene (PTFE), also known as Teflon, Teflon, teflon etc. have excellent high and low temperature resistance, change
Learn stability it is high be resistant to burn into weatherability, high lubrication, do not adhere to easy to clean, physiological inertia nonhazardous, electrical insulating property etc. it is excellent
Point is widely used in the fields such as chemical industry, petroleum, weaving, electric, medical, mechanical.Meanwhile PTFE tube material is in automatically cleaning pipe
Road, feed pipe, drainpipe, fuel gas conduit etc. using more and more common.Polytetrafluoroethyldispersion dispersion resin has extremely narrow phase
Become range and loose resilient characteristic, so that it be made to be difficult to squeeze out as ordinary thermoplastics or injection molding.With
Organic solvent appropriate is added wherein and the progress of paste mixture is made for fine powder made of emulsion polymerization (PTFE dispersion resin)
It squeezes out, is the common processing method of PTFE dispersion resin.
The Chinese patent that notification number is 202640737 U of CN discloses a kind of polytetrafluoroethylene (PTFE) paste extruder, including divides
The driving device and extrusion device not being arranged on the rack, extrusion device include push plate, at least two push strut and with push away
The identical extruded stock chamber of compression bar quantity, push plate are connect with driving device, and push strut is fixedly connected with push plate, and extruded stock chamber is installed in
Corresponding with push strut position in rack, driving device driving push plate moves back and forth and push strut is driven to protrude into or exit extruded stock
Chamber.The polytetrafluoroethylene (PTFE) paste extruder structure is simply by being arranged two or more extruded stock chambers and corresponding number
Push strut, when preparing the polytetrafluoroethylproducts products, primary obtained polytetrafluoroethylproducts products are traditional polytetrafluoroethylene (PTFE)
Twice or more times of paste extruder, the production efficiency that can effectively improve reduces production cost.But the polytetrafluoroethylene (PTFE)
The extruded stock chamber of paste extruder is fixed on the rack, and extruded stock chamber charging door is higher, and core bar is fixed at rack
It is upper and to be placed in extruded stock intracavitary, it has not been convenient to feeding.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that provide a kind of paste extruder, extruded stock chamber can on
Lower movement, facilitates feeding.
To achieve the above object, the utility model provides following technical solution: a kind of paste extruder, including coaxial line
The thrust assemblies of installation, are fixedly mounted on mandrel component on axial line at the extruded stock chamber being fixedly connected on elevating mechanism, described
The push plate of thrust assemblies is pumped by dynamical element drives edge mandrel component, and the intracavitary portion of extruded stock includes top circle
Cylindrical inner chamber and lower hopper type inner cavity, the funnel type intracavity bottom are discharge port, the mandrel component bottom end and discharge port
Cooperation control extruding pipe material pipe thickness, the elevating mechanism include that be fixedly connected with fixed plate outside extruded stock chamber, driving solid
The dynamical element that fixed board moves up and down.
By using above-mentioned technical proposal, extruded stock chamber is fixedly connected in the fixed plate of elevating mechanism, and fixed plate is dynamic
It can move up and down under the driving of power element, to drive extruded stock chamber that can move up and down.Extruded stock chamber, pushes away mandrel component
The installation of splenium part coaxial line.Extruded stock chamber can be moved to lower by elevating mechanism, facilitate feeding, can be gone up and down after feeding
Mechanism is moved to be cooperated with thrust assemblies, and dynamical element driving push plate is moved downward along mandrel component squeezes raw material, from
Discharge port extrusion molding, discharge port and the cooperation of mandrel component bottom are to fixed wall thickness of extrusion pipe.After extrusion finishes, squeeze
Discharging chamber can be moved down into lower by elevating mechanism, and convenient feeding again can continue to complete next working cycles.
The utility model is further arranged to: the cooperation being set on strut with strut with merging is opened up in the fixed plate
Hole.
By using above-mentioned technical proposal, matching hole, matching hole and strut are opened up in fixed plate with merging and is set in strut
On, stablize fixed plate under Driven by Hydraulic Cylinder and move up and down, prevents fixed plate to be displaced during up and down motion and make
Other quality of tubing are scratched or influenced at the tube surfaces of extrusion.
The utility model is further arranged to: chamfering is arranged in the fixed plate side end.
By using above-mentioned technical proposal, chamfering is set in fixed plate side end, avoids fixed plate from existing to a certain extent
Excessively sharp operator or the other objects of scratch of damaging in corner during moving up and down.
The utility model is further arranged to: the bottom surface of the fixed plate is fixedly connected with vertical supporting plate.
By using above-mentioned technical proposal, the bottom surface of fixed plate is fixedly connected with vertical supporting plate, in fixed plate folding process,
Supporting plate contacts bottom surface first, plays a supporting role to entire fixed plate, connects extruded stock bottom of chamber portion not during moving downward
Tread surface avoids wearing discharge port with ground friction, influences the machining accuracy and processing quality of paste extruder.
The utility model is further arranged to: described supporting plate one end is fixedly connected with the lantern ring being slidably connected on strut.
By using above-mentioned technical proposal, one end of supporting plate is fixedly connected with lantern ring, and lantern ring is slidably connected on strut, can be with
Further the up and down motion of fixed plate is fixed, so that fixed plate does not move left and right during up and down motion,
Make extruded stock chamber and other component precision-fits, guarantees the processing quality and machining accuracy of paste extruder.
The utility model is further arranged to: chamfering is arranged in the supporting plate bottom end.
By using above-mentioned technical proposal, chamfering is arranged in the bottom end of supporting plate, supporting plate can be avoided to exist to a certain extent
Excessively sharp operator or the other objects of scratch of damaging in corner during moving up and down.
The utility model is further arranged to: the paste extruder further includes the extruded stock chamber and fixed cylinder after cooperating
The clamp system of fastening.
By using above-mentioned technical proposal, after extruded stock chamber and fixed cylinder cooperation, it is clamped fastening, paste can be increased
Stability when cream extruder works avoids the extruded stock chamber in the paste extruder course of work that moving influence paste extrusion occurs
The machining accuracy and processing quality of machine.
The utility model is further arranged to: the clamp system is included in reciprocal to machine frame inside under dynamical element driving
The claw of movement, lower mating surface and upper mating surface inside the claw are respectively set to and first outside extruded stock chamber is fixed
The plane that the lower surface of ring flat-plate, the upper surface of the second fixed ring flat-plate of fixed cylinder bottom cooperate, the side mating surface of the claw are set
It is set to and cooperates cambered surface with the lateral surface of the first fixed ring flat-plate, the second fixed ring flat-plate.
By using above-mentioned technical proposal, the upper mating surface of claw and lower mating surface are set as plane, the first fixed ring flat-plate
And second can be clamped between upper mating surface and lower mating surface after fixed ring flat-plate cooperation by claw, after making claw clamping engagement
Extruded stock chamber and fixed cylinder.The side mating surface of claw is set as the lateral surface of cambered surface and the first fixed ring flat-plate, the second fixed ring flat-plate
Cooperation further increases claw to the fastening effect of the first fixed ring flat-plate and the second fixed ring flat-plate, increases the work of paste extruder
When stability.
The utility model is further arranged to: the mandrel component includes upper on fixed cylinder top plate by being fixed at
The lower mandrel that mandrel is connected with upper mandrel thread.
By using above-mentioned technical proposal, the upper end of upper mandrel is fixed on a top plate, and lower thread connects lower mandrel.Under
The connection type of mandrel conveniently descends the disassembly, cleaning or replacement of mandrel.The cooperation of the discharge port of lower mandrel bottom end and extruded stock chamber, more
The pipe thickness that the adjustable paste extruder of the lower mandrel for holding diameter different that refoots squeezes out.
The utility model is further arranged to: the lower mandrel is that two sections are the cylindrical body being relatively large in diameter, upper-lower section
Between interlude diameter it is smaller and be gradually reduced to middle.
By using above-mentioned technical proposal, it is the cylindrical body being relatively large in diameter that lower mandrel, which is set as two sections, and interlude is straight
Diameter is smaller, and gradually from both ends, gradually transition is reduced, and the shape setting of lower mandrel can make raw material edge during being squeezed by push plate
Lower mandrel is downward, by the effect of lower mandrel, keeps the tubing squeezed out more closely knit, inner surface is brighter and cleaner.
In conclusion the utility model has the following beneficial effects:
1, extruded stock chamber is fixedly connected in the fixed plate of elevating mechanism, fixed plate under the driving of dynamical element can more than
Lower movement, to drive extruded stock chamber that can move up and down, extruded stock chamber can be moved to lower by elevating mechanism, in convenience
Material can be moved to by elevating mechanism and facilitate raw material to be extruded with thrust assemblies cooperation, after extrusion finishes, extruded stock
Chamber can be moved down into lower by elevating mechanism, and convenient feeding again continues to complete next working cycles；
2, the matching hole opened up in fixed plate and the lantern ring being fixedly connected on supporting plate cooperate with strut, increase in fixed plate
The stability of lower movement increases the processing quality and machining accuracy of paste extruder；
3, the claw of clamp system can fasten the first fixed ring flat-plate on extruded stock chamber and second in fixed cylinder and fix
Ring flat-plate increases the stability of paste extruder in process, improves the processing quality and machining accuracy of paste extruder；
4, the discharge port of mandrel component and extruded stock chamber cooperation adjustment guarantees that tubing has the wall thickness and bias of OK range；
5, the lower mandrel of mandrel component is detachable and interchangeable, the discharge port cooperation of replacement bottom different mandrel and extruded stock chamber
The tubing of different wall thickness can be processed, it is the cylindrical body being relatively large in diameter that lower mandrel, which is set as two sections, and interlude diameter is smaller
Gradually from both ends, gradually transition is reduced, and the shape setting of lower mandrel can make the tubing squeezed out more closely knit, and inner surface is brighter and cleaner.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the partial structure diagram of embodiment；
Fig. 3 is the straightened portion schematic cross-sectional view of Fig. 2；
Fig. 4 is the structural schematic diagram of clamp system；
Fig. 5 is the structural schematic diagram of embodiment.
Appended drawing reference: 1, rack；2, hydraulic cylinder；3, thrust assemblies；4, extruded stock chamber；5, elevating mechanism；6, clamp system；
7, mandrel component；11, pillar；12, bracket；13, support plate；14, strut；21, piston rod；31, push plate；32, fixed cylinder；41,
Discharge port；42, with healing up；43, the first fixed ring flat-plate；51, fixed plate；52, supporting plate；53, matching hole；54, lantern ring；61, claw；
62, installs case；71, upper mandrel；72, lower mandrel；73, screw shell；321, top plate；322, the second fixed ring flat-plate；611, above match
Conjunction face；612, side mating surface；613, lower mating surface.
Specific embodiment
Referring to attached drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of paste extruder, including the fixed cylinder being fixedly mounted in the support plate 13 of rack 1
32, fixed cylinder 32 runs through support plate 13, the support of 13 bottom shore 11 of support plate.It is fixedly mounted above the top plate 321 of fixed cylinder 32
The piston rod 21 of hydraulic cylinder 2, hydraulic cylinder 2 runs through top plate 321, and piston rod 21 is fixedly connected with 31 upper surface of push plate of thrust assemblies 3
(being shown in Fig. 3).
As shown in Figures 2 and 3, push plate 31 is cylinder, and 31 center of push plate opens up through-hole, through-hole diameter size can and core
The diametric fit of shaft assembly 7 makes push plate 31 that can move up and down along mandrel component 7 under the driving of hydraulic stem.Mandrel component 7 wraps
The upper mandrel 71 at 32 top plate of fixed cylinder, 321 center is included, upper 71 lower end of mandrel is fixedly connected with screw shell 73, and screw shell 73 can
It is threadedly coupled lower mandrel 72, the connection type of lower mandrel 72 conveniently descends the disassembly, cleaning or replacement of mandrel 72.
As depicted in figs. 1 and 2, the second outside fixed ring flat-plate 322 of 32 bottom end of fixed cylinder fixed setting, the second fixed ring flat-plate
322 can be integrally formed with fixed cylinder 32, increase the stability of the second fixed ring flat-plate 322 and the connection of fixed cylinder 32.Second is fixed
First fixed ring flat-plate 43 of the top of ring flat-plate 322 and extruded stock chamber 4 setting cooperates, in the second fixed 322 lower surface of ring flat-plate and the
When one fixed 43 upper surface of ring flat-plate cooperation, the top of extruded stock chamber 4 be can be inserted in the lower cavity of fixed cylinder 32, and extruded stock
The outer surface on 4 top of chamber and the inner surface of fixed cylinder 32 are bonded (showing in Fig. 3), the first fixed ring flat-plate 43 and the second fixed ring flat-plate
322 can be clamped the fastening of mechanism 6, prevent paste extruder extruded stock chamber 4 in extrusion process from moving influence tubing occurs and add
Working medium amount.
As shown in Figure 1 and Figure 4, clamp system 6 includes three installs cases 62 being fixedly mounted on bracket 12, installs case 62
Top is abutted with support plate 13, increases the stability of installs case 62.Hydraulic cylinder 2, hydraulic stem are fixedly mounted inside installs case 62
Piston rod 21 horizontal through the side of installs case 62, can be under the driving of hydraulic stem to moving back and forth inside rack 1, piston
21 top of bar is fixedly connected with claw 61.The upper mating surface 611 of claw 61 and lower mating surface 613 are set as plane.First fixed ring
Plate 43 and the second fixed ring flat-plate 322 can be clamped between upper mating surface 611 and lower mating surface 613 after cooperating by claw 61.Card
61 side mating surface 612 of pawl is set as the lateral surface cooperation of cambered surface and the first fixed fixed ring flat-plate 322 of ring flat-plate 43, second, increases card
Pawl 61 increases the stability when work of paste extruder to the fastening effect of the first fixed ring flat-plate 43 and the second fixed ring flat-plate 322.
As shown in Figure 3 and Figure 5,4 upper end of extruded stock chamber is with healing up 42, and lower end is discharge port 41.4 inside of extruded stock chamber is empty
Chamber top is divided into cylinder, and 31 diametric fit of diameter and push plate facilitates push plate 31 under the driving of hydraulic cylinder 2 by extruded stock chamber 4
In material under push out.4 cavity lower part of extruded stock chamber is divided into funnel type.The discharge port of lower mandrel 72 bottom end and extruded stock chamber 4
41 cooperations, the pipe thickness that the replacement bottom diameter adjustable paste extruder of lower mandrel 72 of different sizes squeezes out.Lower mandrel
72 to be set as two sections be the cylindrical body being relatively large in diameter, and the interlude diameter between upper-lower section is smaller and gradually contracts to middle
Small, the shape design of lower mandrel 72 keeps extruding pipe material more closely knit, and inner surface is bright and clean.The outside of extruded stock chamber 4 is cylinder, bottom
Outside is fixedly connected with elevating mechanism 5.
As shown in Figure 1 and Figure 5, elevating mechanism 5 includes the fixed plate 51 being fixedly connected outside extruded stock chamber 4, fixed plate 51
Together with being fixedly connected by welding with extruded stock chamber 4.The upper surface of 51 left end of fixed plate is fixedly connected with piston rod 21
Bottom end, the hydraulic cylinder 2 that driving piston rod 21 moves up and down are fixedly mounted in support plate 13.Fixed plate 51 opens up two and strut
The matching hole 53 of 14 cooperations stablizes fixed plate 51 under the driving of hydraulic cylinder 2 and moves up and down, prevents fixed plate 51 from moving up and down
It is displaced the tube surfaces for causing to squeeze out in the process and scratches or influence other quality of tubing.51 left and right sides of fixed plate is right
End opens up chamfering, avoids excessively sharp operator or the other objects of scratch of damaging in corner in the process of moving up and down of fixed plate 51
Body.
As shown in Figure 1 and Figure 5,51 bottom surface left end of fixed plate is fixedly connected with supporting plate 52, and supporting plate 52 is solderable or and fixed
Plate 51 is integrally formed, and in 51 folding process of fixed plate, 52 initial contact bottom surface of supporting plate supports entire fixed plate 51, makes to squeeze
4 bottom of discharging chamber is not in contact with the ground during moving downward, avoids wearing discharge port 41 with ground friction, influences paste and squeezes
The machining accuracy and processing quality of machine out.The left end weld ring 54 of supporting plate 52, lantern ring 54 are slidably connected on strut 14, into one
The movement of fixed plate 51 is fixed in step.52 right end bottom of supporting plate opens up chamfering, avoids supporting plate 52 in the process of moving up and down
Excessively sharp operator or the other objects of scratch of damaging in corner.
Working principle: by elevating mechanism 5, dropping to lower for extruded stock chamber 4, into extruded stock chamber 4 plus material, will under
Mandrel 72 is threaded in screw shell 73, and extruded stock chamber 4 is being risen to the first fixed 43 He of ring flat-plate by elevating mechanism 5
Second fixed ring flat-plate 322 cooperates, and makes the fixed ring flat-plate 43 of the fastening of claw 61 first and the second fixed ring flat-plate by controlling clamp system 6
322, then controlling thrust assemblies 3 squeezes push plate 31 to the raw material in extruded stock chamber 4, squeezes out raw material from discharge port 41,
In the case where the bottom end of lower mandrel 72 and discharge port 41 cooperate, raw material is extruded into tubing.When push plate 31 moves to extreme position, squeeze
It finishes out, push plate 31 is moved up, the hydraulic cylinder 2 of the claw 61 of starting control clamp system 6 makes to move outside claw 61, elevating mechanism 5
Extruded stock chamber 4 is moved down, one action process can be completed, repeats operation.When needing to adjust tube wall thickness, can replace
Lower mandrel 72.The extruded stock chamber 4 of the paste extruder of the present embodiment can be moved up and down by driving, facilitate feeding.
Assigned direction in this specific embodiment is intended merely to facilitate between each component of statement positional relationship and mutually
The relationship of cooperation.This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this
Field technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification,
But as long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of paste extruder, which is characterized in that including coaxial line installation thrust assemblies (3), be fixedly connected on elevator
Extruded stock chamber (4) on structure (5) is fixedly mounted on mandrel on axial line (71) component, the push plate (31) of the thrust assemblies (3)
It is pumped by dynamical element drives edge mandrel component (7), includes upper cylindrical inner cavity inside the extruded stock chamber (4)
With lower hopper type inner cavity, the funnel type intracavity bottom is discharge port (41), mandrel component (7) bottom end and discharge port
(41) cooperation control extruding pipe material pipe thickness, the elevating mechanism (5) include being fixedly connected with the external fixation of extruded stock chamber (4)
The dynamical element that plate (51), driving fixed plate (51) move up and down.
2. a kind of paste extruder according to claim 1, which is characterized in that opened up on the fixed plate (51) and strut
(14) matching hole (53) being set on strut (14) with merging.
3. a kind of paste extruder according to claim 1, which is characterized in that fixed plate (51) the side end setting
Chamfering.
4. a kind of paste extruder according to claim 1, which is characterized in that the bottom surface of the fixed plate (51) is fixed to be connected
Connect vertical supporting plate (52).
5. a kind of paste extruder according to claim 4, which is characterized in that described supporting plate (52) one end is fixedly connected with cunning
The dynamic lantern ring (54) being connected on strut (14).
6. a kind of paste extruder according to claim 4, which is characterized in that supporting plate (52) the bottom end setting is fallen
Angle.
7. a kind of paste extruder according to claim 1, which is characterized in that the paste extruder further includes that will cooperate
The clamp system (6) of extruded stock chamber (4) and fixed cylinder (32) fastening afterwards.
8. a kind of paste extruder according to claim 7, which is characterized in that the clamp system (6) is included in power
To the claw (61) moved back and forth inside rack (1) under element driving, the internal lower mating surface (613) of the claw (61) and upper
Mating surface (611) is respectively set to lower surface, fixed cylinder (32) bottom of first fixed ring flat-plate (43) external with extruded stock chamber (4)
The plane of the upper surface cooperation of the second of portion fixed ring flat-plate (322), the side mating surface (612) of the claw (61) are set as and the
The lateral surface cooperation cambered surface of one fixed ring flat-plate (43), second fixed ring flat-plate (322).
9. a kind of paste extruder according to claim 1, which is characterized in that the mandrel component (7) includes by solid
The lower mandrel (72) that the fixed upper mandrel (71) being arranged on fixed cylinder (32) top plate (321) and upper mandrel (71) are threadedly coupled.
10. a kind of paste extruder according to claim 9, which is characterized in that the lower mandrel (72) is two sections
For the cylindrical body being relatively large in diameter, the interlude diameter between upper-lower section is smaller and is gradually reduced to middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821638572.2U CN209273919U (en) | 2018-10-09 | 2018-10-09 | A kind of paste extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821638572.2U CN209273919U (en) | 2018-10-09 | 2018-10-09 | A kind of paste extruder |
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| Publication Number | Publication Date |
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| CN209273919U true CN209273919U (en) | 2019-08-20 |
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ID=67604300
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821638572.2U Active CN209273919U (en) | 2018-10-09 | 2018-10-09 | A kind of paste extruder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355992A (en) * | 2019-08-27 | 2019-10-22 | 束宇晨 | A kind of dedicated 3D printer spray head of expansion plastic pipe trial-production |
-
2018
- 2018-10-09 CN CN201821638572.2U patent/CN209273919U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355992A (en) * | 2019-08-27 | 2019-10-22 | 束宇晨 | A kind of dedicated 3D printer spray head of expansion plastic pipe trial-production |
| CN110355992B (en) * | 2019-08-27 | 2021-06-01 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Special 3D print head of inflation plastic tubing trial-manufacturing |
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