CN219855873U - Extruder for producing sandalwood boards - Google Patents
Extruder for producing sandalwood boards Download PDFInfo
- Publication number
- CN219855873U CN219855873U CN202320814433.5U CN202320814433U CN219855873U CN 219855873 U CN219855873 U CN 219855873U CN 202320814433 U CN202320814433 U CN 202320814433U CN 219855873 U CN219855873 U CN 219855873U
- Authority
- CN
- China
- Prior art keywords
- pipe
- heating
- swing arm
- sandalwood
- extruder
- 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
- 241000221035 Santalaceae Species 0.000 title claims abstract description 29
- 235000008632 Santalum album Nutrition 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 106
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000012258 stirred mixture Substances 0.000 description 3
- 208000019901 Anxiety disease Diseases 0.000 description 2
- 230000036506 anxiety Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The utility model discloses an extruder for producing sandalwood boards, which comprises an extruding mechanism and a heating mechanism, wherein the extruding mechanism comprises a frame, an extruding pipe, a conveying screw and a first motor for driving the conveying screw to rotate, the extruding pipe and the conveying screw are matched with each other to extrude materials, the output end of the extruding pipe is connected with a forming die, and the top of the extruding pipe is provided with a feeding pipe; the heating mechanism comprises a heating hopper and a heater, the heater is used for heating materials in the heating hopper, a discharging pipe is arranged at the bottom of the heating hopper, and the discharging pipe is used for discharging materials to the feeding pipe; the machine frame is provided with a swing arm and a second motor for driving the swing arm to swing, the bottom end of the swing arm is hinged with the machine frame, the top end of the swing arm is hinged with the heating hopper, the top of the feeding pipe is provided with a threaded pipe, the bottom of the threaded pipe is in threaded connection with the feeding pipe, and the top of the threaded pipe is in threaded connection with the discharging pipe. The extruder for producing the sandalwood boards can quickly adjust the height of the heating hopper and is convenient for cleaning the inner wall of the heating hopper.
Description
Technical Field
The utility model relates to the technical field of plate production equipment, in particular to an extruder for producing sandalwood plates.
Background
The sandalwood board is one board with sandalwood component and is used mainly in making wardrobe, cabinet, wall board, etc.
The sandalwood is a core material part of the sandalwood, the fragrance of the sandalwood is fresh and elegant, the smell of the sandalwood is smelled for a long time in a flat time, the nerves can be relaxed, the nerves with anxiety and tension can be calmed, the calm effect is excellent, and the gardercases, cabinets, wallboards and the like manufactured by using the sandalwood board containing the sandalwood component also have the nerves with anxiety and tension calm effect.
In production, firstly, the sandalwood is crushed and milled, then, the crushed sandalwood powder, PVC powder, calcium powder and nano auxiliary agent are uniformly stirred at high temperature, and the uniformly stirred mixture is heated and extruded by an extruder for molding.
The extruder is used for heating and extruding the uniformly stirred mixture, structurally comprises an extruding mechanism and a heating hopper arranged above the extruding mechanism, wherein the bottom of the heating hopper is connected with the extruding mechanism, and the heating hopper is used for heating the uniformly stirred mixture.
After the existing heating hopper heats the mixture, the mixture is easy to adhere to the inner wall of the heating hopper, and when different raw materials need to be replaced, the mixture adhered to the inner wall of the heating hopper usually needs to be cleaned.
However, the existing extruder heating hopper is located above the extrusion mechanism, so that the distance between the heating hopper and the ground is relatively high, and cleaning of the inner wall of the heating hopper is inconvenient.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the extruder for producing the sandalwood boards can quickly adjust the height of the heating hopper and is convenient for cleaning the inner wall of the heating hopper.
An extruder for producing a sandalwood plank according to an embodiment of the first aspect of the present utility model comprises: the extrusion mechanism comprises a frame, an extrusion pipe arranged on the frame, a conveying screw rod positioned in the extrusion pipe and a first motor for driving the conveying screw rod to rotate, wherein the extrusion pipe horizontally extends, the extrusion pipe and the conveying screw rod are matched with extruded materials, the output end of the extrusion pipe is connected with a forming die, and the top of the extrusion pipe is provided with a feeding pipe; the heating mechanism comprises a heating hopper and a heater arranged in the heating hopper, wherein the heater is used for heating materials in the heating hopper, a discharging pipe is arranged at the bottom of the heating hopper and used for discharging the materials to the feeding pipe, and the top of the heating hopper is used for feeding the materials; the device comprises a frame, a heating bucket, a feeding pipe, a discharging pipe, a heating bucket, a feeding pipe and a discharging pipe, wherein the frame is provided with a swing arm and a second motor for driving the swing arm to swing, the bottom end of the swing arm is hinged to the frame, the top end of the swing arm is hinged to the heating bucket, the top of the feeding pipe is provided with a threaded pipe, the bottom of the threaded pipe is in threaded connection with the feeding pipe, the top of the threaded pipe is in threaded connection with the discharging pipe, and the heating bucket, the discharging pipe, the threaded pipe, the feeding pipe and the extruding pipe are sequentially communicated.
The extruder for producing the sandalwood boards has at least the following beneficial effects:
1. according to the utility model, the extruding mechanism is provided with the frame, the extruding pipe arranged on the frame, the conveying screw rod positioned in the extruding pipe and the first motor for driving the conveying screw rod to rotate, the extruding pipe is horizontally extended, the extruding pipe and the conveying screw rod are matched with extruded materials, the output end of the extruding pipe is connected with the forming die, and the top of the extruding pipe is provided with the feeding pipe, so that the conveying screw rod can horizontally convey the materials in the extruding pipe to the forming die for forming and outputting.
2. According to the utility model, the heating mechanism is arranged and comprises the heating hopper and the heater arranged in the heating hopper, and the heater is used for heating the material in the heating hopper, so that the powdery material can be heated in the heating hopper, and the temperature of the material can meet the production requirement.
3. According to the utility model, the discharging pipe is arranged at the bottom of the heating hopper and is used for discharging to the feeding pipe, and the top of the heating hopper is used for feeding, so that the heating hopper is convenient for conveying materials to the extrusion pipe.
4. According to the utility model, the swing arm and the second motor for driving the swing arm to swing are arranged on the frame, the bottom end of the swing arm is hinged with the frame, and the top end of the swing arm is hinged with the heating bucket, so that when the heating bucket needs to be cleaned, the swing arm can be driven to swing downwards by the second motor, and accordingly, the swing arm can drive the heating bucket to move downwards to one side of the extrusion pipe, the height of the heating bucket is reduced, further, the inner wall of the heating bucket is convenient to clean, and after the cleaning is finished, the swing arm is driven to swing upwards by the second motor, so that the swing arm can drive the heating bucket to move upwards to the upper part of the feeding pipe, and the feeding pipe can be discharged by the discharging pipe.
5. According to the utility model, the screw thread pipe is arranged at the top of the feeding pipe, the bottom of the screw thread pipe is in screw thread connection with the feeding pipe, the top of the screw thread pipe is in screw thread connection with the discharging pipe, the heating hopper, the discharging pipe, the screw thread pipe, the feeding pipe and the extrusion pipe are sequentially communicated, and it can be understood that the feeding pipe and the discharging pipe are connected through the screw thread pipe, so that when the screw thread pipe is rotated, the screw thread pipe can be connected with or disconnected from the discharging pipe, and further, the feeding pipe and the discharging pipe can be conveniently and rapidly fixed or loosened.
According to some embodiments of the utility model, a first shaft is arranged at the bottom end of the swing arm, the first shaft is rotatably connected with the frame, a first gear is arranged on the first shaft, the second motor is fixed on the frame, a second gear is arranged at the output end of the second motor, and the first gear is meshed with the second gear.
According to some embodiments of the utility model, the two swing arms are hinged to two sides of the heating bucket respectively.
According to some embodiments of the utility model, the swing arm is hinged to a side wall of the top of the heating bucket.
According to some embodiments of the utility model, the frame is provided with a first limiting piece and a second limiting piece, the first limiting piece and the second limiting piece are respectively located at two sides of the swing arm along the swing direction of the swing arm, and the first limiting piece and the second limiting piece are respectively in butt limiting with two sides of the swing arm.
According to some embodiments of the utility model, a side wall of the heating bucket is provided with a cleaning opening and a sealing window closing the cleaning opening, and the sealing window is hinged with the heating bucket.
According to some embodiments of the utility model, a switch valve is arranged in the discharge pipe, and the switch valve is used for opening and closing the discharge pipe.
According to some embodiments of the utility model, the extruding mechanism comprises two extruding pipes, the output ends of the two extruding pipes are connected with the same forming die, and the conveying screw, the first motor and the heating mechanism are correspondingly provided with two extruding pipes.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view showing an extruder for producing sandalwood boards according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view A-A shown in fig. 1.
Reference numerals: 100-frame, 110-extrusion pipe, 120-conveying screw, 130-first motor, 140-forming die, 150-inlet pipe, 160-heating hopper, 170-heater, 180-discharging pipe, 190-swing arm, 200-second motor, 210-screwed pipe, 220-first shaft, 230-first gear, 240-second gear, 250-first limiting piece, 260-second limiting piece, 270-sealing window and 280-switching valve.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
An extruder for producing a sandalwood plank according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an extruder for producing a sandal wood board according to an embodiment of the present utility model includes an extrusion mechanism and a heating mechanism.
For extrusion mechanism, extrusion mechanism includes frame 100, extrusion pipe 110 of setting on frame 100, be located the conveying screw 120 of extrusion pipe 110 and drive conveying screw 120 pivoted first motor 130, extrusion pipe 110 horizontal extension sets up, extrusion pipe 110 and conveying screw 120 cooperation extrusion material, and the output of extrusion pipe 110 is connected with moulded die 140, and the top of extrusion pipe 110 is provided with inlet pipe 150 to, make conveying screw 120 carry out the horizontal transport extrusion to moulded die 140 with the material in the extrusion pipe 110 and carry out the shaping output.
In some specific embodiments, the extruding mechanism includes two extruding pipes 110, the output ends of the two extruding pipes 110 are connected to the same forming die 140, and two conveying screws 120, a first motor 130 and a heating mechanism are correspondingly arranged, so that the material extruding speed of the extruder is improved, and further, the production efficiency is improved.
For the heating mechanism, the heating mechanism comprises a heating hopper 160 and a heater 170 arranged in the heating hopper 160, wherein the heater 170 is used for heating materials in the heating hopper 160, so that powdery materials can be heated in the heating hopper 160, and the temperature of the materials can meet production requirements.
Specifically, the heating bucket 160 has a funnel shape with a wide upper portion and a narrow lower portion.
In some specific embodiments, the top of the heating hopper 160 is provided with a hopper cover provided with a feed port for feeding.
In some embodiments, the bottom of the heating bucket 160 is provided with a discharge pipe 180, the discharge pipe 180 being used to feed the feed pipe 150, and the top of the heating bucket 160 being used to feed, thereby facilitating the delivery of material from the heating bucket 160 to the extrusion pipe.
Further, a threaded pipe 210 is disposed at the top of the feeding pipe 150, the bottom of the threaded pipe 210 is in threaded connection with the feeding pipe 150, the top of the threaded pipe 210 is in threaded connection with the discharging pipe 180, and the heating bucket 160, the discharging pipe 180, the threaded pipe 210, the feeding pipe 150 and the extruding pipe 110 are sequentially communicated.
It will be appreciated that the feed tube 150 and the discharge tube 180 are connected by the threaded tube 210 such that when the threaded tube 210 is rotated, the threaded tube 210 can be connected and disconnected to the discharge tube 180, thereby facilitating the quick fastening or unfastening of the feed tube 150 and the discharge tube 180.
In some embodiments, a switch valve 280 is disposed within the discharge pipe 180, the switch valve 280 being configured to open and close the discharge pipe 180, thereby facilitating the rapid communication and disconnection of the heating bucket 160 and the squeeze pipe, such that the heating bucket 160 can temporarily store heating material.
In some specific embodiments, the frame 100 is provided with a swing arm 190 and a second motor 200 driving the swing arm 190 to swing, the bottom end of the swing arm 190 is hinged with the frame 100, and the top end of the swing arm 190 is hinged with the heating bucket 160.
It can be appreciated that when the heating bucket 160 needs to be cleaned, the swing arm 190 can be driven to swing downwards by the second motor 200, so that the swing arm 190 can drive the heating bucket 160 to move downwards to one side of the extrusion pipe, the height of the heating bucket 160 is reduced, the inner wall of the heating bucket 160 is conveniently cleaned, after cleaning, the swing arm 190 is driven to swing upwards by the second motor 200, the swing arm 190 can drive the heating bucket 160 to move upwards to the upper side of the feeding pipe 150, and the discharging pipe 180 can discharge materials to the feeding pipe 150.
In some specific embodiments, the bottom end of the swing arm 190 is provided with a first shaft 220, the first shaft 220 is rotatably connected with the frame 100, the first shaft 220 is provided with a first gear 230, the second motor 200 is fixed on the frame 100, the output end of the second motor 200 is provided with a second gear 240, and the first gear 230 is meshed with the second gear 240, so that the transmission between the second motor 200 and the swing arm 190 is more stable.
Further, two swing arms 190 are provided, and the two swing arms 190 are respectively hinged to two sides of the heating bucket 160, so that the swing arms 190 support the heating bucket 160 more firmly.
In some embodiments, the swing arm 190 is hinged to a side wall of the top of the heating bucket 160, such that the center of gravity of the heating bucket 160 is below the hinge center of the swing arm 190 and the heating bucket 160, thereby avoiding tipping of the heating bucket 160 when the swing arm 190 moves the heating bucket 160.
In some specific embodiments, the frame 100 is provided with a first limiting member 250 and a second limiting member 260, where the first limiting member 250 and the second limiting member 260 are respectively located at two sides of the swing arm 190 along the swing direction of the swing arm 190, and the first limiting member 250 and the second limiting member 260 are respectively in abutment with two sides of the swing arm 190 to limit the swing angle of the swing arm 190 by the first limiting member 250 and the second limiting member 260, so as to avoid the excessive swing angle range of the swing arm 190 from causing the heating bucket 160 to collide with the bottom surface.
In some specific embodiments, the side wall of the heating bucket 160 is provided with a cleaning opening and a sealing window 270 for sealing the cleaning opening, and the sealing window 270 is hinged with the heating bucket 160, so that the inner wall of the heating bucket 160 is conveniently cleaned from the side surface of the heating bucket 160, and further, the cleaning of the inner wall of the heating bucket 160 is more convenient.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. An extruder for producing sandalwood plank, comprising:
the extrusion mechanism comprises a frame (100), an extrusion pipe (110) arranged on the frame (100), a conveying screw (120) arranged in the extrusion pipe (110) and a first motor (130) driving the conveying screw (120) to rotate, wherein the extrusion pipe (110) horizontally extends, the extrusion pipe (110) and the conveying screw (120) are matched with extrusion materials, the output end of the extrusion pipe (110) is connected with a forming die (140), and the top of the extrusion pipe (110) is provided with a feeding pipe (150);
the heating mechanism comprises a heating hopper (160) and a heater (170) arranged in the heating hopper (160), wherein the heater (170) is used for heating materials in the heating hopper (160), a discharging pipe (180) is arranged at the bottom of the heating hopper (160), the discharging pipe (180) is used for discharging the feeding pipe (150), and the top of the heating hopper (160) is used for feeding;
the device comprises a frame (100), and is characterized in that a swing arm (190) and a second motor (200) driving the swing arm (190) to swing are arranged on the frame (100), the bottom end of the swing arm (190) is hinged to the frame (100), the top end of the swing arm (190) is hinged to a heating hopper (160), a threaded pipe (210) is arranged at the top of a feeding pipe (150), the bottom of the threaded pipe (210) is in threaded connection with the feeding pipe (150), the top of the threaded pipe (210) is in threaded connection with a discharging pipe (180), and the heating hopper (160), the discharging pipe (180), the threaded pipe (210), the feeding pipe (150) and the extruding pipe (110) are sequentially communicated.
2. The extruder for producing sandalwood boards according to claim 1, wherein a first shaft (220) is provided at the bottom end of the swing arm (190), the first shaft (220) is rotatably connected with the frame (100), a first gear (230) is provided on the first shaft (220), the second motor (200) is fixed on the frame (100), a second gear (240) is provided at the output end of the second motor (200), and the first gear (230) is meshed with the second gear (240).
3. The extruder for producing sandalwood boards according to claim 1, wherein two swing arms (190) are provided, and the two swing arms (190) are hinged to both sides of the heating bucket (160), respectively.
4. The extruder for producing sandalwood boards according to claim 1, wherein the swing arm (190) is hinged to a side wall of the top of the heating bucket (160).
5. The extruder for producing sandalwood boards according to claim 1, wherein the frame (100) is provided with a first limiting member (250) and a second limiting member (260), the first limiting member (250) and the second limiting member (260) are respectively located at two sides of the swing arm (190) along the swing direction of the swing arm (190), and the first limiting member (250) and the second limiting member (260) are respectively in butt limiting with two sides of the swing arm (190).
6. The extruder for producing sandalwood boards according to claim 1, wherein a side wall of the heating hopper (160) is provided with a cleaning port and a sealing window (270) closing the cleaning port, the sealing window (270) being hinged with the heating hopper (160).
7. The extruder for producing sandalwood boards according to claim 1, wherein a switching valve (280) is provided in the discharge pipe (180), the switching valve (280) being used for opening and closing the discharge pipe (180).
8. The extruder for producing sandalwood boards according to claim 1, wherein the extruding mechanism comprises two extruding pipes (110), the output ends of the two extruding pipes (110) are connected with the same forming die (140), and the conveying screw (120), the first motor (130) and the heating mechanism are correspondingly arranged in two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320814433.5U CN219855873U (en) | 2023-04-12 | 2023-04-12 | Extruder for producing sandalwood boards |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320814433.5U CN219855873U (en) | 2023-04-12 | 2023-04-12 | Extruder for producing sandalwood boards |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219855873U true CN219855873U (en) | 2023-10-20 |
Family
ID=88318265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320814433.5U Active CN219855873U (en) | 2023-04-12 | 2023-04-12 | Extruder for producing sandalwood boards |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219855873U (en) |
-
2023
- 2023-04-12 CN CN202320814433.5U patent/CN219855873U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111660533A (en) | Anti-blocking type screw extruder material mixing and discharging device | |
CN216373271U (en) | Double-screw plastic extruder | |
CN219855873U (en) | Extruder for producing sandalwood boards | |
CN214027081U (en) | Parallel double-screw low-temperature extruder for producing extruded sheets | |
CN211467398U (en) | Extruder for granule material for production line cable sheath | |
CN217777710U (en) | Thickness-adjustable extrusion molding device for producing extruded sheet | |
CN211363370U (en) | Building board construction forming structure | |
CN108437327A (en) | A kind of plastic cement machine-shaping device | |
CN213648604U (en) | Heating device is used in production of MPP cable protection pipe | |
CN208428626U (en) | A kind of high molecular material mixing extrusion device | |
CN215434512U (en) | Halogen-free flame-retardant engineering plastic double-screw extrusion material production line | |
CN111391270A (en) | Sectional type double screw extruding machine | |
CN215283289U (en) | A toper double screw pipe extruder for PVC tubular product processing | |
CN216329947U (en) | Plastic extruder capable of being automatically controlled | |
CN215921220U (en) | High-efficient screw extruder is used in production of environmental protection powder coating | |
CN215320499U (en) | Extruder for plastic production | |
CN219294692U (en) | Double-screw extruder convenient to clear chamber | |
CN215319851U (en) | Double-screw extrusion rubber and plastic receiving device for granulation | |
CN219789208U (en) | Feeding device for cable extruding machine | |
CN219153392U (en) | Plastic granules agitating unit | |
CN219667400U (en) | Double-screw extruder | |
CN219044109U (en) | Precise extrusion molding equipment for plastic products | |
CN219543962U (en) | Biodegradable material screw extrusion device | |
CN216753515U (en) | Potato flour finish machining equipment | |
CN212602459U (en) | Double-screw extrusion type feeding device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |