CN210925592U - Grain direction cooling device is cut to masterbatch - Google Patents
Grain direction cooling device is cut to masterbatch Download PDFInfo
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- CN210925592U CN210925592U CN201921956495.XU CN201921956495U CN210925592U CN 210925592 U CN210925592 U CN 210925592U CN 201921956495 U CN201921956495 U CN 201921956495U CN 210925592 U CN210925592 U CN 210925592U
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Abstract
A masterbatch dicing guiding and cooling device comprises a plurality of guiding and cooling devices, wherein each guiding and cooling device comprises a guide plate and a shell plate, and an air groove is formed between the guide plate and the shell plate; the guide plate is provided with a plurality of air guide tubes, and the end parts of the air guide tubes are inserted into air holes formed in a discharge port of a protective cover of the masterbatch dicing production line; an external air inlet pipe is connected and arranged at the outer side of the shell plate; the external air inlet pipe and the air guide pipe are respectively communicated with the air groove. Through setting up direction cooling device, can blow in the air current of guidance quality to the discharge gate and carry out refrigerated device to the material, further promote cooling effect, can cool off at the middle part with other cooling device cooperations, make the discharge gate not only undertake the passageway function and also possess cooling function, solve the problem of cooling effect a small amount of sizing in addition inadequately, avoid the sizing to accumulate to get off and influence cooling efficiency and product quality, cause the compounding when preventing that the material from switching.
Description
Technical Field
The utility model relates to a cable masterbatch production line equipment, concretely relates to grain direction cooling device is cut to masterbatch.
Background
When the cable master batch is prepared, the mixed master batch is generally extruded through an extruder, a cutting knife is arranged at a discharge port of the extruder, and a plurality of extruded master batches are cut into master batch particles. Because the master batch particles after extrusion cutting are in a high-temperature state, the master batch particles are conveyed to a cooling device through an air conveying pipeline, cooled and filtered and packaged after harmful waste gas dissipated under the high-temperature condition is pumped out.
In the general setting, the feed inlet of wind send the pipeline to set up in the cutter below, and the masterbatch granule that the cutting obtained directly falls into in the feed inlet of wind send the pipeline. In the process, because the master batch which is extruded from the extruder and cut into particles by the cutter is in a high-temperature state, on one hand, a large amount of high-temperature gas escapes, and the environment is polluted; on the other hand, high-temperature viscous materials are adhered to the feeding port of the air conveying pipeline, so that the air conveying performance effect is influenced.
When the masterbatch granule that helps cutting through the cutter in extruder discharge gate department falls into the feed inlet of wind-driven pipeline through setting up suitable cooling device, can carry out the primary cooling to high temperature material granule rapidly, reduce the temperature on the one hand, reduce the high-temperature gas escape volume, on the other hand makes high temperature material granule cool off to the solid particle state from the stickness state through the primary cooling, thereby avoid it to paste the feed inlet of wind-driven pipeline and the inner wall of wind-driven pipeline, thereby the wind-driven transport of being more convenient for is carried and is further cooled off.
However, the master batch preparation production line is not used for preparing a master batch, and has different physical properties and processes for different cable master batches such as a high-strength semi-rigid PVC cable material, an environment-friendly sheath insulating material, a waterproof flame-retardant cable material, a low-smoke halogen-free flame-retardant cable material, a flame-retardant polyolefin material and the like, so that the cooling effect of the master batch is different, and the conventional cooling device cannot achieve the effect of completely preventing materials from being stuck to all materials.
There is therefore a need for further improvements in providing a targeted additional cooling device to increase the cooling effect according to the actual situation.
SUMMERY OF THE UTILITY MODEL
In view of above situation, in order to solve the problem that above-mentioned technique exists, the utility model provides a device that the setting blew in the air current of guidance quality in protection casing discharge gate department to the discharge gate and cools off the material and upwards guide steam further promotes the cooling effect, solves the problem that the cooling effect has a small amount of sizing inadequately in addition, avoids the sizing to accumulate to get off and influences cooling efficiency and product quality, causes the compounding when preventing that the material from switching.
The masterbatch pellet guiding and cooling device comprises a plurality of guiding and cooling devices, wherein each guiding and cooling device comprises a guide plate and a shell plate, and an air groove is formed between the guide plate and the shell plate; the guide plate is provided with a plurality of air guide tubes, and the end parts of the air guide tubes are inserted into air holes formed in a discharge port of a protective cover of the masterbatch dicing production line; an external air inlet pipe is connected and arranged at the outer side of the shell plate; the external air inlet pipe and the air guide pipe are respectively communicated with the air groove. Through setting up direction cooling device, can blow in the air current of guidance quality to the discharge gate and carry out refrigerated device to the material, further promote cooling effect, can cool off at the middle part with other cooling device cooperations, make the discharge gate not only undertake the passageway function and also possess cooling function, solve the problem of cooling effect a small amount of sizing in addition inadequately, avoid the sizing to accumulate to get off and influence cooling efficiency and product quality, cause the compounding when preventing that the material from switching.
Preferably, the air holes formed in the discharge holes of the air guide pipe and the protective cover are obliquely and upwards arranged. The hot air is guided upwards, so that the upper air exhaust device can exhaust the hot air in time.
Preferably, the guide plate is provided with an inner boss at the periphery thereof, and a sealing gasket is arranged between the inner boss and the outer wall of the discharge port of the protective cover. Strengthen and the sealed between the protection casing discharge gate outer wall to can prevent gas leakage, and provide certain elastic deformation, thereby simplify the preparation and assemble the requirement.
Preferably, the protection casing discharge gate is the rectangle, direction cooling device is equipped with four groups altogether, and four groups of direction cooling device set up respectively on one side outer wall of protection casing discharge gate.
Preferably, the guide plate and the shell plate are welded and connected into a hollow body.
Preferably, end sealing plates are arranged at two ends of the air groove, and a plurality of connecting screws are arranged on the end sealing plate of each guiding cooling device and are fixedly connected with the end sealing plates of the adjacent guiding cooling devices through the connecting screws. Convenient to make and connect reliably.
Preferably, the end closing plate is welded to the ends of the guide plate and the shell plate.
After the technology provided by the utility model, according to the utility model discloses the grain direction cooling device is cut to masterbatch has following beneficial effect: through setting up direction cooling device, can blow in the air current of guidance quality to the discharge gate and carry out refrigerated device to the material, further promote cooling effect, can cool off at the middle part with other cooling device cooperations, make the discharge gate not only undertake the passageway function and also possess cooling function, solve the problem of cooling effect a small amount of sizing in addition inadequately, avoid the sizing to accumulate to get off and influence cooling efficiency and product quality, cause the compounding when preventing that the material from switching.
Drawings
FIG. 1 is a diagram of a masterbatch production line layout according to an embodiment of the present application;
FIG. 2 is a diagram of a masterbatch line extruder cutting device according to an embodiment of the present application;
FIG. 3 is a structure diagram of a masterbatch pellet discharging device in the embodiment of the present application;
FIG. 4 is an exploded view of the shield of FIG. 3 with the shield removed (the guide cooling mechanism omitted for clarity);
FIG. 5 is a cross-sectional view A-A of FIG. 4 (with a pilot cooling device provided);
FIG. 6 is an enlarged view of the portion B of FIG. 4;
FIG. 7 is a structural view of another direction of the masterbatch pellet discharging device in the embodiment of the present application;
FIG. 8 is an axial half-sectional view of FIG. 7;
FIG. 9 is a sectional view of the structure of FIG. 8 along line C-C;
fig. 10 is a connection diagram of an air supply fan of the masterbatch pellet discharging device in the embodiment of the present application.
Description of reference numerals:
Pipe feed port 10 connecting screw 2017 jacket cooling water outlet 72
Supporting shaft 80 of cutting tool holder for clamping groove 100 and clamping bar 200
V-shaped groove 102 movable clamping groove 4 cutter 810
Rotating shaft support 108 rotating hole 40 first half coupling 821
Second half coupling 822 of spring post 46 for clamping rotating shaft 109
Power mechanism 86 for positioning spring column 16 and tension spring 49
Feeder 93 with shell plate 2012 grille water outlet 52
Detailed Description
The present invention will be described in further detail with reference to embodiments shown in the drawings. The described embodiments include various specific details to aid understanding, but they are to be construed as merely illustrative, and not restrictive of all embodiments of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Meanwhile, in order to make the description more clear and concise, a detailed description of functions and configurations well known in the art will be omitted.
As shown in fig. 1, a production line for a low-smoke halogen-free flame-retardant cable master batch comprises an internal mixer 91, a lifter 92, a feeder 93, a twin-screw extruder 94, a single-screw extruder 95, a primary cyclone separator 96, a secondary cyclone separator 97, a vibrating screen 98 and a subsequent weighing and packaging device, wherein materials are lifted to the feeder 93 by the lifter 92 after being mixed by the internal mixer 91, and are fed to the twin-screw extruder 94 by the feeder 93 for further mixing. The discharge port of the double-screw extruder 94 is arranged above the feed port of the single-screw extruder 95, the mixed material enters the single-screw extruder 95 for extrusion and granulation, the obtained granular master batch is cooled by the primary cyclone separator 96 and the secondary cyclone separator 97, the waste gas is separated, the granular master batch falls into the vibrating screen 98 for screening and grading, and the qualified product enters the subsequent weighing and packaging device for weighing and packaging.
Referring to fig. 2 to 6, an extrusion die 950 is disposed at a discharge port of the single screw extruder 95, a plurality of extrusion holes are disposed on the extrusion die 950, a cutter frame supporting shaft 80 is disposed at a central portion of the extrusion die 950, a cutter frame 81 is rotatably mounted on the cutter frame supporting shaft 80, a cutting edge of a cutter 810 mounted on the cutter frame 81 is attached to the surface of the extrusion die 950, and when a material is extruded from the extrusion holes of the extrusion die 950, the cutter frame 81 drives the cutter 810 to rotate to cut the extruded material into particles. The other end of the cutting blade holder 81 is provided with a first coupling half 821. The power mechanism 86 driving the cutter holder 81 to rotate is mounted on the guide rail 861 and can move along the guide rail 861. Specifically, the bottom of the bracket 869 of the power mechanism 86 is provided with a guide wheel 860, and the guide wheel 860 is mounted on the guide rail 861. At least one wheel with a brake device is arranged in the guide rail wheel 860, or a positioning bolt connected with the ground or the bottom/outer wall of the guide rail groove is arranged on the bracket 869, so that the working stability is ensured. The positioning bolt may be an anchor screw, and a plate having a long groove is provided on the bracket 869, and a head of the anchor screw passes through the long groove and can move along the long groove, and when the power mechanism 86 moves to a desired position, the anchor screw and the plate having the long groove are locked with each other by a nut. Further, the power mechanism 86 is a motor. The output shaft of the motor is provided with a second coupling half 822 detachably connected to the first coupling half 821.
An air supply pipeline 1 is arranged below the cutter 810, a pipeline feeding hole 10 is formed in the air supply pipeline 1, and the pipeline feeding hole 10 is located below the cutter 810. The end of the air supply pipeline 1 is provided with an air supply fan 59 for blowing the materials in the air supply pipeline 1 to the primary cyclone separator 96.
The protective cover 2 is arranged on the support 869 of the power mechanism 86, and the cutter 810 is positioned in the protective cover 2.
The bottom of the protective cover 2 is provided with a protective cover discharge hole 20 and is detachably connected with the pipeline feed inlet 10 through the protective cover discharge hole 20.
A plurality of guide cooling devices 201 are further arranged at the discharge port 20 of the protective cover, each guide cooling device 201 comprises a guide plate 2011 and a shell plate 2012, and an air groove 2010 is arranged between each guide plate 2011 and each shell plate 2012; the guide plate 2011 is provided with a plurality of air guide tubes 2013, and the end parts of the air guide tubes 2013 are inserted into air holes formed in a discharge port 20 of a protective cover of a masterbatch dicing production line; an external air inlet pipe 2014 is connected and arranged on the outer side of the shell plate 2012; the external air inlet 2014 and the air guide tube 2013 are respectively communicated with the air groove 2010. Through setting up direction cooling device, can blow in the air current of guidance quality to the discharge gate and carry out refrigerated device to the material, further promote cooling effect, can cool off at the middle part with other cooling device cooperations, make the discharge gate not only undertake the passageway function and also possess cooling function, solve the problem of cooling effect a small amount of sizing in addition inadequately, avoid the sizing to accumulate to get off and influence cooling efficiency and product quality, cause the compounding when preventing that the material from switching.
The air holes arranged on the air duct 2013 and the discharge hole 20 of the protective cover are obliquely and upwards arranged. The hot air is guided upwards, so that the upper air exhaust device can exhaust the hot air in time.
An inner boss 2015 is arranged around the guide plate 2011, and a sealing gasket 2016 is arranged between the inner boss 2015 and the outer wall of the protective cover discharge port 20. Strengthen and the sealed between the protection casing discharge gate outer wall to can prevent gas leakage, and provide certain elastic deformation, thereby simplify the preparation and assemble the requirement.
The protection casing discharge gate 20 is the rectangle, direction cooling device 201 is equipped with four groups altogether, and four groups of direction cooling device 201 set up respectively on one side outer wall of protection casing discharge gate 20.
The guide plate 2011 and the shell plate 2012 are welded and connected into a hollow body.
End sealing plates are arranged at two ends of the air groove 2010, and a plurality of connecting screws 2017 are arranged on the end sealing plate of each guide cooling device 201 and are fixedly connected with the end sealing plates of the adjacent guide cooling devices 201 through the connecting screws 2017. Convenient to make and connect reliably.
The end sealing plate is connected with the end parts of the guide plate 2011 and the shell plate 2012 in a welding mode.
The front end of the protection cover 2 is provided with a round hole, the round hole is larger than the rotation diameter of the cutter 810 and smaller than the outer diameter of the extrusion neck ring mold 950, and the outer wall of the protection cover 2 at the round hole is attached to the surface of the extrusion neck ring mold 950.
The outer wall of the protection cover 2 at the round hole is provided with an elastic sealing layer 26, and the elastic sealing layer 26 is positioned between the outer wall of the protection cover 2 at the round hole and the surface of the extrusion die 950.
The elastic sealing layer 26 is elastic foam or elastic rubber. The elastic sealing layer is used for sealing the joint of the protective cover 2 and the extrusion die 950, the allowable assembly error is large, and when the brake wheel or the positioning bolt is locked after the discharge hole 20 of the protective cover is in place, the gap at the round hole can be effectively filled by the elastic sealing layer 26, so that air leakage is avoided.
The top end of the pipeline feeding hole 10 is provided with a clamping groove 100, the outer edge of the bottom end of the protective cover discharging hole 20 is provided with a clamping strip 200, and the clamping strip 200 is inserted into the clamping groove 100, so that the inner space and the outer space are isolated.
The clamping groove 100 is provided with a sealing strip 101, the sealing strip 101 is provided with a V-shaped groove 102, and the clamping strip 200 is clamped in the V-shaped groove 102. Strengthen sealed effect and allow certain stroke error, reduce the cooperation degree of difficulty, be convenient for set up.
The clamping groove 100 adjacent to one side of the power mechanism is a movable clamping groove 4, so that the protective cover 2 and the clamping strip 200 thereof can move out along with the power mechanism. The other three sides are fixed clamping grooves. The fixed clamping groove can be directly welded on the top end of the pipeline feeding port 10 after being bent by adopting a steel plate or a steel bar.
Two ends of one side of the movable clamping groove 4 are respectively provided with a rotating shaft support 108, a rotating shaft 109 is arranged on the rotating shaft supports 108, the side wall of the pipeline feeding hole 10 is provided with a supporting plate, the top end of the supporting plate is provided with a rotating hole 40, and the rotating shaft 109 on the movable clamping groove 4 is rotatably arranged on the rotating hole 40. When the cutter is in a working state, the protective cover 2 is pushed in, the clamping strips 200 in the front of the advancing direction and on the two sides of the advancing direction are respectively clamped into the fixed clamping grooves, and then the movable clamping groove 4 is rotated, so that the clamping strip 200 on one side adjacent to the power mechanism is clamped into the movable clamping groove 4.
The pivot shaft bracket 108 may be detachably fixed to the side wall of the movable catching groove 4 by a screw connection, and the pivot shaft 109 may be mounted on the pivot shaft bracket 108 by a bearing. After the rotating shaft 109 is inserted into the rotating hole 40, bearings are installed at both ends of the rotating shaft 109, and then the rotating shaft is inserted into the bearing holes provided on the rotating shaft support 108, and finally the rotating shaft support 108 is fixed on the side wall of the movable clamping groove 4. Such a mounting is convenient and also facilitates the control of the final position of the movable clamping slot 4, so that it is better matched with the clamping strip 200.
As another possible implementation scheme, a rotary hole is formed in the movable clamping groove, two rotary shaft supports are arranged on the side wall of the pipeline feeding hole, a rotary shaft is mounted on each rotary shaft support, and the movable clamping groove is rotatably mounted on the rotary shaft through the rotary hole. When the cutter is in a working state, the protective cover is pushed in, the clamping strips in the front of the advancing direction and on the two sides of the advancing direction are clamped into the fixed clamping grooves respectively, and then the movable clamping groove is rotated, so that the clamping strip on one side adjacent to the power mechanism is clamped into the movable clamping groove. In this structure, the rotation shaft support may be detachably fixed to the sidewall of the feed port of the pipe by means of a screw connection, and the rotation shaft may be mounted on the rotation shaft support by means of a bearing. The movable clamping grooves can be arranged on the rotating shaft, then bearings are arranged at two ends of the rotating shaft, then the movable clamping grooves are arranged in bearing holes arranged on the rotating shaft support, and finally the rotating shaft support is fixed on the side wall of the pipeline feeding hole. The mounting mode is convenient for controlling the final position of the movable clamping groove, so that the movable clamping groove is better matched with the clamping strip.
Furthermore, the two ends of the movable clamping groove 4 are respectively provided with a clamping groove spring column 46, the two ends of the side wall of the pipeline feeding hole 10 are respectively provided with a positioning spring column 16, and a tension spring 49 is arranged between the clamping groove spring column 46 and the positioning spring column 16 on the same side. Spring hanging holes can be respectively arranged on the clamping groove spring column 46 and the positioning spring column 16, and two ends of the tension spring 49 are hung in the spring hanging holes.
The spring retention post 16 is disposed between the pivot shaft 109 and the side wall of the tube inlet 10. The latch spring post 46 is pulled toward the sidewall of the tube inlet 10 by the tension spring 49 after passing through the center line connecting the positioning spring post 16 and the rotation shaft 109. When the movable clamping groove 4 is positioned above, the clamping strip 200 can be pressed tightly, and the sealing effect is ensured. When being located the below, can make it press to pipeline feed inlet 10 lateral wall and be located the below at pipeline feed inlet 10 top, avoid influencing the removal of protection casing 2 and joint strip 200.
The rotation of the movable clamping groove 4 can be manually turned, and an additional turning mechanism can also be considered.
Referring to fig. 7 to 10, a water cooling jacket 7 is disposed on the outer wall of the air supply pipe 1 at the pipe feed port 10, a jacket cooling water inlet 71 is disposed at the air inlet end of the air supply pipe 1, and a jacket cooling water outlet 72 is disposed at the other end.
The water cooling jackets 7 are arranged at the bottom and two sides of the air supply pipeline 1. After the material falls from the pipeline feeding port 10, the material is mainly contacted with the inner wall of the air conveying pipeline at the parts, and the pipeline feeding port 10 is convenient to arrange.
The jacket cooling water inlet 71 is arranged at the bottom of the water-cooling jacket 7, and the jacket cooling water outlet 72 is arranged at the top of the water-cooling jacket 7. The jacket cooling water inlet 71 is arranged at the bottom of the water cooling jacket 7 to ensure the cooling effect of the bottom, and is a main contact point of high-temperature materials. And through the different positions of water inlet and outlet, the cooling water can be ensured to overflow the whole jacket, and the temperature of the pipeline wall is mainly reduced on the whole.
The air inlet of the air supply pipeline 1 is also provided with a water-cooling grille 5 which comprises a plurality of mutually communicated medium space grille bars 50, the top of the water-cooling grille 5 is provided with a grille water inlet 51, and the bottom of the water-cooling grille 5 is provided with a grille water outlet 52. Ice water can be introduced into the hollow grid strips 50 of the water-cooling grid 5, so that the blown air is cooled in advance, the temperature of the materials in the air supply pipeline 1 at the pipeline feeding hole 10 is reduced, and adhesion is prevented. Can be used by matching with the water-cooling jacket 7 to cool the air supply pipeline 1 and the inside thereof.
The water-cooled grille 5 comprises two concentric circular grille strips 501 and a plurality of straight grille strips 502 which connect the two circular grille strips 501. The air cooling can be carried out more uniformly, a larger air passage is reserved, and the influence on the air conveying effect is avoided.
The grille water inlets 51 are provided with three positions which are respectively positioned at the top center and two sides of the peripheral circular grille strips 501. The water inlet at the center guides the cooling water to the circular grid bars 501 at the inner ring, the water inlets at the two sides guide the cooling water to other straight grid bars 502 and the peripheral circular grid bars 501, and the cooling water is uniformly distributed in the water-cooling grid 5 by the integral arrangement.
The grille water outlet 52 is communicated with a jacket cooling water inlet 71. The ice water passes through the water-cooling grid 5 and then exchanges heat, but the ice water can be further introduced into a water-cooling jacket 7 for cooling because the water speed is high and the temperature is relatively low. The operation cost is reduced, and the complexity of the cooling water pipeline is simplified.
One end of the water-cooling grating 5 is fixed at the end part of the pipeline feeding hole 10 of the air supply pipeline 1 through welding, flange connection or threaded connection, the outer wall of the other end of the water-cooling grating 5 is provided with external threads, an air guide pipe 58 is arranged through threaded connection, and the air guide pipe 58 is provided with internal threads matched with the external threads of the water-cooling grating 5. The other end of the air duct 58 is connected to an air supply fan 59 through a hose.
The terms "upper", "lower" or "above", "below" or the like are used herein in a relative relationship with respect to a normal use in a placed state, i.e., a positional relationship as generally shown in the drawings of the present application. When the placement state changes, for example, when the placement state is turned over, the corresponding positional relationship should be changed accordingly to understand or implement the technical solution of the present application.
Claims (7)
1. The masterbatch cutting guiding and cooling device is characterized by comprising a plurality of guiding and cooling devices (201), wherein each guiding and cooling device (201) comprises a guide plate (2011) and a shell plate (2012), and an air groove (2010) is formed between the guide plate (2011) and the shell plate (2012); the guide plate (2011) is provided with a plurality of air guide pipes (2013), and the end parts of the air guide pipes (2013) are inserted into air holes formed in a discharge hole (20) of a protective cover of a masterbatch dicing production line; an external air inlet pipe (2014) is connected and arranged on the outer side of the shell plate (2012); the external air inlet pipe (2014) and the air guide pipe (2013) are respectively communicated with the air groove (2010).
2. The masterbatch pellet guiding and cooling device as claimed in claim 1, wherein the air holes formed in the air duct (2013) and the discharge port (20) of the protecting cover are arranged obliquely upward.
3. A masterbatch pellet guiding and cooling device according to claim 1, wherein the guiding plate (2011) is provided with an inner boss (2015) around, and a sealing gasket (2016) is provided between the inner boss (2015) and the outer wall of the discharge port (20) of the protective cover.
4. A masterbatch pellet guiding and cooling device according to any one of claims 1 to 3, wherein the discharge port (20) of the protecting cover is rectangular, four groups of guiding and cooling devices (201) are provided, and four groups of guiding and cooling devices (201) are respectively provided on the outer wall of one side of the discharge port (20) of the protecting cover.
5. A masterbatch pellet guide cooling device according to claim 4, characterized in that the guide plate (2011) and the shell plate (2012) are welded together as a hollow body.
6. A masterbatch pellet guiding and cooling device as claimed in claim 4, wherein both ends of the air groove (2010) are provided with end closing plates, and the end closing plate of each guiding and cooling device (201) is provided with a plurality of connecting screws (2017) and is fixedly connected with the end closing plate of the adjacent guiding and cooling device (201) through the connecting screws (2017).
7. A masterbatch pellet guide cooling device according to claim 6, characterized in that the end closing plate is welded to the ends of the guide plate (2011) and the shell plate (2012).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956495.XU CN210925592U (en) | 2019-11-13 | 2019-11-13 | Grain direction cooling device is cut to masterbatch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956495.XU CN210925592U (en) | 2019-11-13 | 2019-11-13 | Grain direction cooling device is cut to masterbatch |
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| Publication Number | Publication Date |
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| CN210925592U true CN210925592U (en) | 2020-07-03 |
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| CN201921956495.XU Active CN210925592U (en) | 2019-11-13 | 2019-11-13 | Grain direction cooling device is cut to masterbatch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357229A (en) * | 2021-04-27 | 2021-09-07 | 武汉众然品知科技有限公司 | Combined hydraulic station test platform |
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2019
- 2019-11-13 CN CN201921956495.XU patent/CN210925592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357229A (en) * | 2021-04-27 | 2021-09-07 | 武汉众然品知科技有限公司 | Combined hydraulic station test platform |
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