CN207999555U - The solid bellows of integral type and the equipment for producing the bellows - Google Patents
The solid bellows of integral type and the equipment for producing the bellows Download PDFInfo
- Publication number
- CN207999555U CN207999555U CN201820171735.4U CN201820171735U CN207999555U CN 207999555 U CN207999555 U CN 207999555U CN 201820171735 U CN201820171735 U CN 201820171735U CN 207999555 U CN207999555 U CN 207999555U
- Authority
- CN
- China
- Prior art keywords
- bellows
- wave crest
- trough
- wall
- shaping mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Equipment the utility model is related to the solid bellows of integral type and for producing the bellows, it includes bellows piece, bellows include more than two bellows pieces when in axial direction on be mutually inserted connection, each bellows piece includes tubing ontology and bellmouth and socket, the socket of each bellows piece can be inserted into the bellmouth of an adjacent bellows piece, the outer wall of tubing ontology is in axial direction sequentially connected setting by multiple ripple units, each ripple unit includes small wave crest one, trough one, big wave crest one, trough two, small wave crest two, trough three, big wave crest two and trough four, big wave crest on each bellows piece outer wall of the bellows, the combination settings of trough and small wave crest, it is measuring body to play the role of collaboration, improve the critical external compressive resistance performance of tubing;The equipment is not only reasonable in design, and production operation is easy, and rotating part is not present, and safety is good.
Description
Technical field
The utility model is related to bellows field, more particularly to the solid bellows of integral type and for producing the bellows
Equipment.
Background technology
Plastic ripple class tubing is generally HDPE, PP double-wall corrugated pipe at present, both tubing only have a kind of wave crest knot
Structure cooperates with resistance to compression effect poor, and is hollow shape in wave crest between wave crest and wave crest, therefore compressive property is poor, ring stiffness
It is relatively low, be especially applied to have limitations in heavy caliber pipe, while endurance to external impacts is also poor, outer wall is relatively thin, by
External force easy tos produce rupture when destroying;In addition the production method of the tubing is cumbersome, complex operation, product quality stability
Difference;Higher to material requirements, selection range is narrow, and material, which slightly fluctuates, can bring about serious product quality hidden danger or even product
It scraps, production cost is higher;Device security is poor, and equipment using continuous uninterrupted squeeze out because being designed, each major-minor speeds match
Extremely important, slightly speed difference can cause product wall thickness insufficient, but can not detect, buried greatly to engineer application
Security risk;In addition for equipment because being designed using continuous uninterrupted squeeze out, there are many rotating parts in each link, careless slightly
It is likely to cause serious safety accident, hidden danger is brought to property and personal safety.
Utility model content
The purpose of the utility model is to overcome disadvantage mentioned above, a kind of solid bellows of integral type is provided and for producing
The equipment of the bellows, the bellows are mutually inserted by multiple bellows pieces, big wave crest, wave on each bellows piece outer wall
The combination settings of paddy and small wave crest, play the role of collaboration it is measuring body, substantially increase the critical external compressive resistance performance of tubing;The equipment is not
Only reasonable in design, production operation is easy, and rotating part is not present, and safety is good.
The utility model is realized in this way:
Scheme (one):
A kind of solid bellows of integral type, it is characterised in that:The bellows includes more than one bellows piece, the wave
Line pipe include more than two bellows pieces when in axial direction on be mutually inserted connection, each bellows piece includes tubing ontology
And it is connected to the bellmouth and socket at tubing ontology both ends, the socket of each bellows piece can be inserted into an adjacent bellows
In the bellmouth of section, the inner wall of the tubing ontology is cylindrical, the outer wall of the tubing ontology by multiple ripple units in an axial direction
Direction is sequentially connected setting, and each ripple unit includes the small wave crest one, trough one, big wave for being in axial direction sequentially connected setting
Peak one, trough two, small wave crest two, trough three, big wave crest two and trough four.
In order to which two bellows pieces are preferably carried out plug connection, the socket includes connection wall one and connection wall one
Be connected and the grafting wall of the tapered shape of periphery wall and be set on grafting wall periphery wall for installing the annular of rubber ring
Mounting groove, the bellmouth include the undertaking wall in mating connection with grafting wall and with one matched connection wall two of connection wall,
The tapered cone-shaped identical with grafting wall periphery wall taper of internal perisporium for accepting wall, the connection wall two are sheathed on connection
One periphery of wall.
Preferably, the height of the big wave crest one and big wave crest two is the 5%~10% of inside diameter of bel, the small wave crest
One and small wave crest two height be inside diameter of bel 2%~6%, the trough one, trough two, trough three and trough four thickness
Degree is the 0.5%~2% of inside diameter of bel, the width of the big wave crest one and big wave crest two be inside diameter of bel 2%~
6%, the width of the big wave crest one and big wave crest two is the 30%~60% of its height, the small wave crest one and small wave crest two
Width is the 35%~65% of its height, the trough one, trough two, trough three and trough four width be its thickness
3~8 times.
In order to further increase ring stiffness, the distance between the big wave crest one and big wave crest two are big wave crest one and big wave
3~8 times of the width at peak two.
Scheme (two):
A kind of manufacturing equipment of the solid bellows of integral type, it is characterised in that:The equipment includes supporting rack, is fixedly installed in
It interior shaping mould on supporting rack and is symmetrically divided at left and right sides of interior shaping mould and can be in the side close to or away from interior shaping mould
The left outside shaping mould and right outer shaping mould, the left outside shaping mould for carrying out mobile folding upwards include left outside molding mould body, set
Be placed in it is left outside molding mould body on left cast cavity and more than one be set on left outside molding mould body and with left cast
The left cast gate that cavity is connected, the outer shaping mould in the right side include being molded mould body outside the right side, being set to outside the right side on molding mould body
Right cast cavity and more than one right cast gate for being set to outside the right side on molding mould body and being connected with right cast cavity, it is described
A shape and bellows phase are surrounded between left cast cavity inner surface, right cast cavity inner surface and interior shaping mould outer surface
The cast cavity matched, the manufacturing equipment further include that the material supply dress of fused materials is injected for cast gate to the left and right cast gate
It sets, the stripper apparatus for detaching interior shaping mould and tubing after cooling and be respectively arranged at interior shaping mould, left outside
Temperature control device on shaping mould, right outer shaping mould and material delivery system.
Further, the manufacturing equipment further includes symmetrically being divided at left and right sides of interior shaping mould and being slidably connected to ground
On left trolley and right trolley, the axis perpendicular of the glide direction and interior shaping mould of the left trolley and right trolley, the left side
Outer shaping mould and right outer shaping mould are fixedly installed in respectively on left trolley and right trolley, and the material delivery system includes fixed pacifies
Loaded on left trolley and right trolley and conveying unit and quantity and conveying unit that quantity and left cast gate and right cast gate match
The material extruder for matching and being connected with each conveying unit, each conveying unit include being fixedly installed in left trolley or the right side
It storage cavity on trolley, the push rod being slidably connected in storage cavity and is connected between left trolley and push rod or right trolley and pushes away
Charging cylinder between bar, each material extruder are connected with corresponding storage cavity.
For the prior art, the utility model has the following advantages:
(1) the solid bellows of integral type provided by the utility model and the equipment for producing the bellows, the ripple
Pipe is mutually inserted by multiple bellows pieces, the combination settings of big wave crest, trough and small wave crest on each bellows piece outer wall,
It is measuring body to play the role of collaboration, substantially increases the critical external compressive resistance performance of tubing;The equipment is not only reasonable in design, production exercise
Make simplicity, and rotating part is not present, safety is good;
(2) bellows piece of the utility model uses integral molded plastic, and material compactness is good, is consolidated using external mold and internal model
Change, uniform wall thickness is consistent, and dimensionally stable has greatly ensured product quality;
(3) the utility model uses inside and outside injection molding integral type technique, and tubing inside and outside wall is smooth, and seamless is conducive to
Improve liquid delivery rate;
(4) the solid bellows of integral type provided by the utility model, ingenious in design, performance is reliable, has wide
Market prospects.
Description of the drawings
The utility model is described in further detail in conjunction with the embodiments with reference to the accompanying drawings:
Fig. 1 is the structural schematic diagram of the solid bellows of the utility model integral type;
Fig. 2 is the structural schematic diagram of a bellows piece in Fig. 1;
Fig. 3 is the structural schematic diagram of a ripple unit in Fig. 2;
Fig. 4 is the three dimensional structure diagram of a bellows piece;
Fig. 5 is the three dimensional structure diagram of the solid corrugated pipe manufacturing equipment of the utility model integral type;
Fig. 6 is the three dimensional structure diagram at another visual angle of the solid corrugated pipe manufacturing equipment of the utility model integral type;
Fig. 7 is the structural schematic diagram of another embodiment of the solid corrugated pipe manufacturing equipment of the utility model integral type.
Symbol description in figure:1, bellows piece, 11, tubing ontology, 111, small wave crest one, 112, trough one, 113, big wave
Peak one, 114, trough two, 115, small wave crest two, 116, trough three, 117, big wave crest two, 118, trough four, 12, bellmouth, 121,
Accept wall, 122, connection wall two, 13, socket, 131, connection wall one, 132, grafting wall, 133, annular mounting groove, 2, supporting rack,
3, interior shaping mould, 4, left outside shaping mould, 41, left outside molding mould body, 42, left cast cavity, 43, left cast gate, 5, right outer molding
Mould, 51, it is right outer be molded mould body, 52, right cast cavity, 53, right cast gate, 6, left trolley, 7, right trolley, 8, conveying unit, 81,
Storage cavity, 82, push rod, 83, charging cylinder, 9, material extruder, h1, big wave crest one or big wave crest two height, h2, small wave crest one
Or the height of small wave crest two, t, trough one or trough two or trough three or trough four thickness, d, inside diameter of bel, w1, big wave
The width at peak one or big wave crest two, w2, small wave crest one or small wave crest two width, w3, trough one or trough two or trough three or wave
The width of Gu Si, the distance between L, big wave crest one and big wave crest two.
Specific implementation mode
The utility model content is described in detail with specific embodiment with reference to the accompanying drawings of the specification:
Specific implementation mode (one):
It is a kind of solid bellows of integral type provided by the utility model as shown in Figs 1-4, it is characterised in that:The bellows
Including more than one bellows piece 1, phase interfix is in axial direction gone up when the bellows includes more than two bellows pieces 1
It connects in succession, each bellows piece 1 includes tubing ontology 11 and the bellmouth 12 and socket that are connected to 11 both ends of tubing ontology
13, the socket 13 of each bellows piece 1 can be inserted into the bellmouth 12 of an adjacent bellows piece 1, the tubing ontology 11 it is interior
Wall is cylindrical, and the outer wall of the tubing ontology 11 is in axial direction sequentially connected setting, each ripple by multiple ripple units
Unit include the small wave crest 1 for being in axial direction sequentially connected setting, trough 1, big wave crest 1, trough 2 114,
Small wave crest 2 115, trough 3 116, big wave crest 2 117 and trough 4 118.
As shown in Fig. 2, in order to which two bellows pieces are preferably carried out plug connection, the socket 13 includes connection wall one
131, it is connected with connection wall 1 and the grafting wall 132 of the tapered shape of periphery wall and is set on 132 periphery wall of grafting wall
For installing the annular mounting groove 133 of rubber ring, the bellmouth 12 includes the undertaking wall in mating connection with grafting wall 132
121 and with one 131 matched connection wall 2 122 of connection wall, the internal perisporium for accepting wall 121 is tapered with grafting wall
The identical cone-shaped of 132 periphery wall tapers, the connection wall 2 122 are sheathed on one 131 periphery of connection wall.
Preferably, the solid bellows of the integral type is made of modified poly ethylene or modified polypropene.
As shown in Figure 3, it is preferred that the height h of the big wave crest 1 and big wave crest 2 1171For inside diameter of bel d's
5%~10%, the height h of the small wave crest 1 and small wave crest 2 1152It is the 2%~6% of inside diameter of bel d, the wave
Paddy 1, trough 2 114, trough 3 116 and trough 4 118 thickness t be the 0.5%~2% of inside diameter of bel d, it is described
The width w of big wave crest 1 and big wave crest 2 1171It is the 2%~6% of inside diameter of bel d, the big wave crest 1 and big wave
The width w at peak 2 1171For its height h130%~60%, the width w of the small wave crest 1 and small wave crest 2 1152For it
Height h235%~65%, the trough 1, trough 2 114, trough 3 116 and trough 4 118 width w3For
3~8 times of its thickness t.
As shown in figure 3, in order to further increase ring stiffness, between the big wave crest 1 and big wave crest 2 117 away from
From the width w that L is big wave crest 1 and big wave crest 2 11713~8 times.
Specific implementation mode (two):
It is a kind of manufacturing equipment of the solid bellows of integral type provided by the utility model as seen in figs. 5-6, feature exists
In:The equipment includes supporting rack 2, is fixedly installed on supporting rack 2 interior shaping mould 3 and to be symmetrically divided into interior shaping mould 3 left
Right both sides and the outer shaping mould of left outside shaping mould 4 and the right side that mobile folding can be carried out on the direction close to or away from interior shaping mould 3
5, the left outside shaping mould 4 includes left outside molding mould body 41, is set to the left outside left cast cavity 42 being molded on mould body 41
And more than one is set to the left outside left cast gate 43 being molded on mould body 41 and be connected with left cast cavity 42, it is described right outer
Shaping mould 5 includes right outer molding mould body 51, be set to right cast cavity 52 on molding mould body 51 on the right side outside and one with
On be set to outside the right side be molded on mould body 51 and with the right right cast gate 53 that is connected of cast cavity 52, in the left cast cavity 42
The cast that a shape matches with bellows is surrounded between surface, right cast 52 inner surface of cavity and 3 outer surface of interior shaping mould
Cavity, the manufacturing equipment further include injecting the material delivery system of fused materials for cast gate 43 to the left and right cast gate 53, using
In the stripper apparatus for detaching interior shaping mould 3 and tubing after cooling and it is respectively arranged at interior shaping mould 3, left outside molding
Temperature control device on mould 4, right outer shaping mould 5 and material delivery system.Temperature control device includes cooling unit and heating unit.
Further, the manufacturing equipment further includes symmetrically being divided into 3 left and right sides of interior shaping mould and being slidably connected to ground
The axis perpendicular of the glide direction and interior shaping mould 3 of left trolley 6 on face and right trolley 7, the left trolley 6 and right trolley 7,
The left outside shaping mould 4 and right outer shaping mould 5 are fixedly installed in respectively on left trolley 6 and right trolley 7, the material delivery system
Including be fixedly installed on left trolley 6 and right trolley 7 and conveying unit 8 that quantity matches with left cast gate 43 and right cast gate 53 with
And the material extruder 9 that quantity matches with conveying unit 8 and is connected with each conveying unit 8, each conveying unit 8 include
It the storage cavity 81 that is fixedly installed on left trolley 6 or right trolley 7, the push rod 82 being slidably connected in storage cavity 81 and is connected to
Charging cylinder 83 between left trolley 6 and push rod 82 or between right trolley 7 and push rod 82, each material extruder 9 and corresponding storage
Material chamber 81 is connected.
As shown in fig. 7, being equipped with a material extruder 9 between two storage cavitys 81, three is connected by three-way pipe.When
So, a material extruder 9 can also be equipped between multiple storage cavitys 81.
Table 1:A kind of solid bellows of injection molding integral type formula of the utility model and other hollow peak structure tubing
Main performance contrast table
From table 1 it follows that the solid bellows of the utility model, ring stiffness, impact property, ring flexibility and tubing weight
Amount is substantially better than existing tubing, while its production technology, equipment operation are superior to prior art.
Above-mentioned specific implementation mode is only explained in detail the technical solution of the utility model, and the utility model is not
It is only limited only to above-described embodiment, every any improvement or replacement according to the utility model principle should all be new in this practicality
Within the protection domain of type.
Claims (6)
1. a kind of solid bellows of integral type, it is characterised in that:The bellows includes more than one bellows piece (1), described
Bellows include more than two bellows pieces (1) when in axial direction on be mutually inserted connection, each bellows piece (1) includes
Tubing ontology (11) and the bellmouth (12) and socket (13) for being connected to tubing ontology (11) both ends, each bellows piece
(1) socket (13) can be inserted into the bellmouth (12) of an adjacent bellows piece (1), and the inner wall of the tubing ontology (11) is in circle
The outer wall of tubular, the tubing ontology (11) is in axial direction sequentially connected setting, each ripple unit by multiple ripple units
Small wave crest one (111), trough one (112), big wave crest one (113), trough two including being in axial direction sequentially connected setting
(114), small wave crest two (115), trough three (116), big wave crest two (117) and trough four (118).
2. the solid bellows of integral type according to claim 1, it is characterised in that:The socket (13) includes connection wall one
(131), it is connected with connection wall one (131) and the grafting wall of the tapered shape of periphery wall (132) and is set to grafting wall (132)
The annular mounting groove (133) for installing rubber ring on periphery wall, the bellmouth (12) includes being matched with grafting wall (132)
The undertaking wall (121) of connection and with the matched connection wall two (122) of connection wall one (131), it is described accept wall (121) it is interior
The tapered cone-shaped identical with grafting wall (132) periphery wall taper of peripheral wall, the connection wall two (122) are sheathed on connection wall one
(131) periphery.
3. the solid bellows of integral type according to claim 1, it is characterised in that:The big wave crest one (113) and big wave
Height (the h at peak two (117)1) it is the 5%~10% of inside diameter of bel (d), the small wave crest one (111) and small wave crest two
(115) height (h2) it is the 2%~6% of inside diameter of bel (d), the trough one (112), trough two (114), trough three
(116) and the thickness (t) of trough four (118) be inside diameter of bel (d) 0.5%~2%, the big wave crest one (113) and greatly
Width (the w of wave crest two (117)1) it is the 2%~6% of inside diameter of bel (d), the big wave crest one (113) and big wave crest two
(117) width (w1) it is its height (h1) 30%~60%, the width of described small wave crest one (111) and small wave crest two (115)
(w2) it is its height (h2) 35%~65%, the trough one (112), trough two (114), trough three (116) and trough four
(118) width (w3) it is 3~8 times of its thickness (t).
4. the solid bellows of integral type according to claim 1, it is characterised in that:The big wave crest one (113) and big wave
The distance between peak two (117) (L) is the width (w of big wave crest one (113) and big wave crest two (117)1) 3~8 times.
5. a kind of manufacturing equipment of the solid bellows of integral type, it is characterised in that:The equipment includes supporting rack (2), is fixedly mounted
In on supporting rack (2) interior shaping mould (3) and be symmetrically divided at left and right sides of interior shaping mould (3) and can be close to or away from interior
The left outside shaping mould (4) of mobile folding and right outer shaping mould (5), the left outside shaping mould (4) are carried out on the direction of shaping mould (3)
Including left outside molding mould body (41), the left cast cavity (42) being set on left outside molding mould body (41) and more than one
The left cast gate (43) for being set on left outside molding mould body (41) and being connected with left cast cavity (42), the outer shaping mould in the right side
(5) include right outer molding mould body (51), be set to the right cast cavity (52) being molded outside the right side on mould body (51) and one
Arrangement above is in the right cast gate (53) for being molded outside the right side on mould body (51) and being connected with right cast cavity (52), the left cast
A shape and ripple are surrounded between cavity (42) inner surface, right cast cavity (52) inner surface and interior shaping mould (3) outer surface
The cast cavity that pipe matches, the manufacturing equipment further include for cast gate (43) to the left and right cast gate (53) injection fused materials
Material delivery system, for by stripper apparatus that interior shaping mould (3) and tubing after cooling detach and being respectively set
Temperature control device on interior shaping mould (3), left outside shaping mould (4), right outer shaping mould (5) and material delivery system.
6. manufacturing equipment according to claim 5, it is characterised in that:The manufacturing equipment further include symmetrically be divided into it is interior at
The left trolley (6) and right trolley (7) pattern (3) left and right sides and be slidably connected on ground, the left trolley (6) and right trolley
(7) axis perpendicular of glide direction and interior shaping mould (3), the left outside shaping mould (4) and right outer shaping mould (5) are solid respectively
Loaded on left trolley (6) and right trolley (7), the material delivery system includes being fixedly installed in left trolley (6) He Youtai for Dingan County
On vehicle (7) and conveying unit (8) and quantity and conveying unit (8) that quantity and left cast gate (43) and right cast gate (53) match
The material extruder (9) for matching and being connected with each conveying unit (8), each conveying unit (8) include being fixedly installed in
It storage cavity (81) on left trolley (6) or right trolley (7), the push rod (82) being slidably connected in storage cavity (81) and is connected to
Charging cylinder (83) between left trolley (6) and push rod (82) or between right trolley (7) and push rod (82), each material extruder
(9) it is connected with corresponding storage cavity (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171735.4U CN207999555U (en) | 2018-01-31 | 2018-01-31 | The solid bellows of integral type and the equipment for producing the bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171735.4U CN207999555U (en) | 2018-01-31 | 2018-01-31 | The solid bellows of integral type and the equipment for producing the bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999555U true CN207999555U (en) | 2018-10-23 |
Family
ID=63838139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820171735.4U Active CN207999555U (en) | 2018-01-31 | 2018-01-31 | The solid bellows of integral type and the equipment for producing the bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131505A (en) * | 2018-01-31 | 2018-06-08 | 萍乡市大地新材料科技有限公司 | The solid bellows of integral type, the device and method for producing the bellows |
| CN113236872A (en) * | 2021-05-27 | 2021-08-10 | 云南益华管道科技有限公司 | Steel strip welding framework mesh composite spiral corrugated pipe and production device thereof |
-
2018
- 2018-01-31 CN CN201820171735.4U patent/CN207999555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131505A (en) * | 2018-01-31 | 2018-06-08 | 萍乡市大地新材料科技有限公司 | The solid bellows of integral type, the device and method for producing the bellows |
| CN113236872A (en) * | 2021-05-27 | 2021-08-10 | 云南益华管道科技有限公司 | Steel strip welding framework mesh composite spiral corrugated pipe and production device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203046206U (en) | Double-wall corrugated pipe forming machine | |
| CN207999555U (en) | The solid bellows of integral type and the equipment for producing the bellows | |
| CN210174139U (en) | Injection molding mechanism of filter element shell mold | |
| CN103395183B (en) | The manufacturing equipment of a kind of biaxial-orienting PVC and polyolefine material tubing and processing condition and method thereof | |
| CN203713035U (en) | Handpiece for co-extrusion biaxial stretching composite pipe | |
| CN204296003U (en) | A kind of highdensity tube extrusion former | |
| CN203157099U (en) | Device for forming outlet of plastics extruder | |
| CN202895414U (en) | Injection extrusion forming device | |
| CN108131505A (en) | The solid bellows of integral type, the device and method for producing the bellows | |
| CN215969979U (en) | Extrusion device for producing modified polyethylene | |
| CN105751455B (en) | Spiral shell disk and plunger combination formula Coinjection molding apparatus | |
| CN205601129U (en) | Quick extrusion tooling of ultrahigh molecular weight polyethylene tubular product | |
| CN2536383Y (en) | Injection mould for polyvinyl pipes with superhigh molecular weight by shunt off in core | |
| CN104626560A (en) | Extrusion device of 3D printing pen | |
| CN104118104A (en) | Plastic reinforced pipe production equipment | |
| CN203637175U (en) | Extrusion device for 3D (three-dimensional) printing pen | |
| CN203994635U (en) | A kind of polyethylene (PE) is three-layer co-extruded goes out mould | |
| CN106514975A (en) | SCF mixing device | |
| CN209007843U (en) | A kind of compound tube wall elastic layer core pulling molding device | |
| CN202753385U (en) | Pipe machine nose with choke device | |
| CN203357853U (en) | Special mold for forming of injection molding pipeline | |
| CN207403149U (en) | The double-deck envelope die head of automatic blow molding machine | |
| CN202572944U (en) | Reinforced tube extrusion die head for plastic extruding machine of Carat tube | |
| CN206614770U (en) | A kind of extruder | |
| CN206510383U (en) | A kind of pulsed mobile phone shell Injection filling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |