CN220095614U - Pouring device for root prefabricated part of glass fiber wind power blade - Google Patents

Pouring device for root prefabricated part of glass fiber wind power blade Download PDF

Info

Publication number
CN220095614U
CN220095614U CN202321614566.4U CN202321614566U CN220095614U CN 220095614 U CN220095614 U CN 220095614U CN 202321614566 U CN202321614566 U CN 202321614566U CN 220095614 U CN220095614 U CN 220095614U
Authority
CN
China
Prior art keywords
rotating shaft
belt pulley
root
prefabricated member
glass fiber
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
Application number
CN202321614566.4U
Other languages
Chinese (zh)
Inventor
刘树新
郑甫
赵磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongfu Lianzhong Anyang Composite Material Co ltd
Original Assignee
Zhongfu Lianzhong Anyang Composite Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhongfu Lianzhong Anyang Composite Material Co ltd filed Critical Zhongfu Lianzhong Anyang Composite Material Co ltd
Priority to CN202321614566.4U priority Critical patent/CN220095614U/en
Application granted granted Critical
Publication of CN220095614U publication Critical patent/CN220095614U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Wind Motors (AREA)

Abstract

The utility model discloses a pouring device of a root prefabricated member of a glass fiber wind power blade, which comprises a bottom plate, a first belt, a feeding component and an auxiliary demoulding component, wherein the bottom plate is provided with a first belt; the upper surface mounting of bottom plate has the fixed bolster, second pivot and third pivot are installed in the side rotation of fixed bolster, drive assembly is installed in the outside of fixed bolster, the left end and the drive assembly of second pivot are connected, install the third belt pulley in the second pivot, first belt pulley is installed to the left end of third pivot. The pouring device for the root prefabricated member of the glass fiber wind power blade not only can sequentially perform pouring work on the root prefabricated member dies of a plurality of blades so as to improve the production efficiency of the root prefabricated member of the glass fiber wind power blade, but also can avoid collision with the pouring head when the root prefabricated member dies of the blades move in position, and improve the safety coefficient of the pouring work.

Description

Pouring device for root prefabricated part of glass fiber wind power blade
Technical Field
The utility model relates to the technical field of pouring of prefabricated parts of the root of a wind power blade, in particular to a pouring device of the root prefabricated parts of a glass fiber wind power blade.
Background
Wind energy is becoming more and more important worldwide as a clean renewable energy source. The Chinese wind energy reserves are large, the distribution is wide, the wind power generation industry rapidly develops, and the wind power generation system becomes one of the global wind power generation main markets following Europe, the United states and India.
The fan blade is a key core wind turbine component for improving wind energy technology, and the good design, the reliable quality and the excellent performance of the fan blade are determining factors for ensuring the normal and stable operation of the unit. The wind power blade root is used as a main connecting position, plays a vital role in normal operation of the whole wind power blade assembly, and the service life of a product is seriously influenced by the quality of the existing blade root.
However, the pouring device for the root prefabricated member of the glass fiber wind power blade in the prior art can only perform pouring operation on one blade root prefabricated member mould after the pouring operation is started, when the next blade root prefabricated member mould is poured, equipment is required to be suspended, and the blade root prefabricated member mould is replaced, so that time is consumed, the production efficiency of the root prefabricated member of the glass fiber wind power blade is reduced, and certain potential safety hazards exist.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the pouring device for the root prefabricated member of the glass fiber wind power blade, which not only can sequentially perform pouring work on a plurality of blade root prefabricated member dies so as to improve the production efficiency of the root prefabricated member of the glass fiber wind power blade, but also can avoid collision with the hair of the pouring head when the blade root prefabricated member dies move, so that the safety coefficient of the pouring work is improved, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pouring device for the root prefabricated member of the glass fiber wind power blade comprises a bottom plate, a first belt, a feeding assembly and an auxiliary demoulding assembly;
the upper surface of the bottom plate is provided with a fixed bracket, the side surface of the fixed bracket is rotatably provided with a second rotating shaft and a third rotating shaft, the outer side of the fixed bracket is provided with a driving component, the left end of the second rotating shaft is connected with the driving component, the second rotating shaft is provided with a third belt pulley, the left end of the third rotating shaft is provided with a first belt pulley, the first belt pulley and the third belt pulley are connected through a first belt in a matched transmission manner, the right end of the third rotating shaft is provided with a first gear, the upper surface of the bottom plate is rotatably provided with a first rotating shaft, the upper end of the first rotating shaft is provided with a working plate, the upper surface of the working plate is uniformly provided with four blade root prefabricated member dies, the first rotating shaft is provided with a second gear, the first gear is in meshed connection with the second gear, the pitch circle diameter of the second gear is equal to four times the pitch circle diameter of the first gear, the right end of the second rotating shaft is provided with a circular plate, the end part of the second rotating shaft is arranged at the eccentric part of the circular plate, the side surface of the circular plate is provided with an annular groove, the lower surface of the upper end of the fixed support is provided with a second compression spring, the lower end of the second compression spring is provided with an L-shaped support, the left side outer surface of the L-shaped support is provided with two limit posts, the upper limit posts are in contact with the outer surface of the circular plate, the lower limit posts are positioned in the annular groove, the lower surface of the upper end of the fixed support is provided with a limit rod, the L-shaped support is provided with a limit hole, the limit rod is in sliding connection with the limit hole, the joint is provided with a damping, the lower surface of the upper end of the L-shaped support is provided with a conveying pipe, the upper surface of the L-shaped support is provided with a conveying hole, the conveying pipe is communicated with the conveying pipe, the lower end of the conveying pipe is provided with a filling head, the upper surface of fixed bolster is provided with reinforced subassembly, the upper surface of bottom plate is provided with supplementary drawing of patterns subassembly.
Further, the feeding assembly comprises a raw material box arranged on the upper surface of the fixed support, a feeding pipe is arranged at a discharge hole of the raw material box, the lower end of the feeding pipe penetrates through the upper end of the fixed support and the conveying hole, the lower end of the feeding pipe is positioned in the conveying pipe, and a water pump is arranged on the feeding pipe. Raw materials of the raw material box are sequentially conveyed to the pouring head through the feeding pipe, the conveying hole and the conveying pipe by the water pump so as to facilitate pouring.
Further, the auxiliary demolding assembly comprises a second belt and a fourth rotating shaft which is rotatably arranged on the upper surface of the bottom plate, a second belt pulley is arranged on the fourth rotating shaft, a fourth belt pulley is arranged on the first rotating shaft, the second belt pulley and the fourth belt pulley are connected through the second belt in a matched transmission mode, a plurality of first compression springs are uniformly arranged on the outer surface of the upper portion of the fourth rotating shaft, rubber balls are arranged at the end portions of the first compression springs, and the heights of the rubber balls are the same as those of the middle portion of the blade root prefabricated member die. When first pivot rotates, drive the fourth pivot and rotate under the effect of second belt pulley, fourth belt pulley and second belt, the fourth pivot rotates and drives first hold-down spring and rubber ball and rotate to utilize the rubber ball to beat corresponding blade root prefab mould, so that people take out the prefab.
Further, the driving assembly comprises a motor support arranged on the side face of the fixed support, a motor is arranged on the motor support, an output shaft of the motor is connected to one end of the second rotating shaft through a coupling, and an input end of the motor is electrically connected with an output end of the external controller. The motor is controlled to work through the external controller, and the motor works to drive the second rotating shaft to rotate, so that the pouring work of the root prefabricated member of the glass fiber wind power blade is conveniently completed, and the production efficiency is improved.
Compared with the prior art, the utility model has the beneficial effects that: the pouring device for the root prefabricated member of the glass fiber wind power blade not only can sequentially perform pouring work on the root prefabricated member dies of a plurality of blades so as to improve the production efficiency of the root prefabricated member of the glass fiber wind power blade, but also can avoid collision with the pouring head when the root prefabricated member dies of the blades move in position, and improve the safety coefficient of the pouring work.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic top view of the present utility model.
In the figure: 1 bottom plate, 2 gag lever post, 3L formula support, 4 motor, 5 motor support, 6 fixed bolster, 7 first belt, 8 first belt pulley, 9 working plate, 10 first gear, 11 first pivot, 12 second gear, 13 second belt, 14 first hold-down spring, 15 second belt pulley, 16 rubber ball, 17 raw materials case, 18 second hold-down spring, 19 material loading pipe, 20 blade root prefabrication mould, 21 filling head, 22 water pump, 23 conveyer pipe, 24 spacing post, 25 plectane, 26 ring channel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present embodiment provides a technical solution: the pouring device of the root prefabricated member of the glass fiber wind power blade comprises a bottom plate 1, a first belt 7, a feeding component and an auxiliary demoulding component;
the upper surface of the bottom plate 1 is provided with a fixed bracket 6, the side surface of the fixed bracket 6 is rotatably provided with a second rotating shaft and a third rotating shaft, the outer side of the fixed bracket 6 is provided with a driving component, the left end of the second rotating shaft is connected with the driving component, the second rotating shaft is provided with a third belt pulley, the left end of the third rotating shaft is provided with a first belt pulley 8, the first belt pulley 8 and the third belt pulley are in matched transmission connection through a first belt 7, the right end of the third rotating shaft is provided with a first gear 10, the upper surface of the bottom plate 1 is rotatably provided with a first rotating shaft 11, the upper end of the first rotating shaft 11 is provided with a working plate 9, the upper surface of the working plate 9 is uniformly provided with four blade root prefabricated member dies 20, the first rotating shaft 11 is provided with a second gear 12, the first gear 10 is in meshed connection with the second gear 12, the indexing circle diameter of the second gear 12 is equal to four times the indexing circle diameter of the first gear 10, the right end of the second rotating shaft is provided with a circular plate 25, the end part of the second rotating shaft is arranged at the eccentric position of the circular plate 25, the side surface of the circular plate 25 is provided with an annular groove 26, the lower surface of the upper end of the fixed bracket 6 is provided with a second compression spring 18, the lower end of the second compression spring 18 is provided with an L-shaped bracket 3, the left outer surface of the L-shaped bracket 3 is provided with two limit posts 24, the upper limit posts 24 are in contact with the outer surface of the circular plate 25, the lower limit posts 24 are positioned in the annular groove 26, the lower surface of the upper end of the fixed bracket 6 is provided with a limit rod 2, the L-shaped bracket 3 is provided with a limit hole, the limit rod 2 is in sliding connection with the limit hole, the joint is provided with a damping, the lower surface of the upper end of the L-shaped bracket 3 is provided with a conveying pipe 23, the conveying pipe 23 is communicated with the conveying hole, the lower end of the conveying pipe 23 is provided with a filling head 21, the upper surface of fixed bolster 6 is provided with reinforced subassembly, and the upper surface of bottom plate 1 is provided with supplementary drawing of patterns subassembly.
The raw materials are conveyed into the conveying pipe 23 through the feeding assembly, then, the raw materials are poured into the prefabricated member die 20 at the root of one blade through the pouring head 21, after the first pouring operation is completed, the second rotating shaft is driven to rotate through the operation of the starting driving assembly, the second rotating shaft is driven to rotate under the action of the first belt pulley 8, the third belt pulley and the first belt 7, the third rotating shaft rotates to drive the first gear 10 to rotate, the first gear 10 rotates to drive the second gear 12 to rotate, the second gear 12 rotates to drive the first rotating shaft 11 to rotate, the first rotating shaft 11 rotates to drive the working plate 9 to rotate, as the first gear 10 rotates a circle to drive the working plate 9 to rotate by one fourth, therefore, pouring operation can be conveniently carried out on the prefabricated member die 20 at the root of the next blade, and simultaneously, the second rotating shaft drives the circular plate 25 to move eccentrically, and therefore, limit posts 24 are utilized to limit the circular plate 25, and then drive the limiting posts 24 to move, the L-shaped supports 3 drive the conveying pipe 23 and the pouring head 21 to move, so that when the root of the circular plate 25 rotates, the root of the prefabricated member 21 is driven to move upwards, the prefabricated member die 20 is prevented from being collided with the root of the blade, and the prefabricated member is not to move downwards, and the prefabricated member die 20 is further, and the pouring operation is carried out continuously, and the prefabricated member die 20 is prevented from moving upwards through the root of the blade, and the prefabricated member is formed.
The feeding component comprises a raw material box 17 arranged on the upper surface of the fixed support 6, a feeding pipe 19 is arranged at a discharge hole of the raw material box 17, the lower end of the feeding pipe 19 penetrates through the upper end of the fixed support 6 and the conveying hole, the lower end of the feeding pipe 19 is positioned in a conveying pipe 23, and a water pump 22 is arranged on the feeding pipe 19. The raw materials of the raw material tank 17 are sequentially conveyed to the pouring head 21 through the feeding pipe 19, the conveying hole and the conveying pipe 23 by the operation of the water pump 22 so as to be convenient for pouring.
The auxiliary demoulding assembly comprises a second belt 13 and a fourth rotating shaft which is rotatably arranged on the upper surface of the bottom plate 1, a second belt pulley 15 is arranged on the fourth rotating shaft, a fourth belt pulley is arranged on the first rotating shaft 11, the second belt pulley 15 and the fourth belt pulley are connected through the second belt 13 in a matched transmission manner, a plurality of first compression springs 14 are uniformly arranged on the outer surface of the upper part of the fourth rotating shaft, rubber balls 16 are arranged at the end parts of the first compression springs 14, and the height of the rubber balls 16 is the same as that of the middle part of the blade root prefabricated member mould 20. When the first rotating shaft 11 rotates, the fourth rotating shaft is driven to rotate under the action of the second belt pulley 15, the fourth belt pulley and the second belt 13, and the fourth rotating shaft rotates to drive the first compression spring 14 and the rubber ball 16 to rotate, so that the corresponding blade root prefabricated member mould 20 is knocked by the rubber ball 16, and the prefabricated member is taken out by people conveniently.
The driving assembly comprises a motor bracket 5 arranged on the side face of a fixed bracket 6, a motor 4 is arranged on the motor bracket 5, an output shaft of the motor 4 is connected with one end of a second rotating shaft through a coupling, and an input end of the motor 4 is electrically connected with an output end of an external controller. The motor 4 is controlled to work through the external controller, and the motor 4 drives the second rotating shaft to rotate, so that the pouring work of the root prefabricated member of the glass fiber wind power blade is conveniently completed, and the production efficiency is improved.
The utility model provides a pouring device for a root prefabricated member of a glass fiber wind power blade, which has the following working principle: the raw materials are conveyed into the conveying pipe 23 through the feeding assembly, then, the raw materials are poured into the prefabricated member die 20 at the root of one blade through the pouring head 21, after the first pouring operation is completed, the second rotating shaft is driven to rotate through the operation of the starting driving assembly, the second rotating shaft is driven to rotate under the action of the first belt pulley 8, the third belt pulley and the first belt 7, the third rotating shaft rotates to drive the first gear 10 to rotate, the first gear 10 rotates to drive the second gear 12 to rotate, the second gear 12 rotates to drive the first rotating shaft 11 to rotate, the first rotating shaft 11 rotates to drive the working plate 9 to rotate, as the first gear 10 rotates a circle to drive the working plate 9 to rotate by one fourth, therefore, pouring operation can be conveniently carried out on the prefabricated member die 20 at the root of the next blade, and simultaneously, the second rotating shaft drives the circular plate 25 to move eccentrically, and therefore, limit posts 24 are utilized to limit the circular plate 25, and then drive the limiting posts 24 to move, the L-shaped supports 3 drive the conveying pipe 23 and the pouring head 21 to move, so that when the root of the circular plate 25 rotates, the root of the prefabricated member 21 is driven to move upwards, the prefabricated member die 20 is prevented from being collided with the root of the blade, and the prefabricated member is not to move downwards, and the prefabricated member die 20 is further, and the pouring operation is carried out continuously, and the prefabricated member die 20 is prevented from moving upwards through the root of the blade, and the prefabricated member is formed. The raw materials of the raw material tank 17 are sequentially conveyed to the pouring head 21 through the feeding pipe 19, the conveying hole and the conveying pipe 23 by the operation of the water pump 22 so as to be convenient for pouring. When the first rotating shaft 11 rotates, the fourth rotating shaft is driven to rotate under the action of the second belt pulley 15, the fourth belt pulley and the second belt 13, and the fourth rotating shaft rotates to drive the first compression spring 14 and the rubber ball 16 to rotate, so that the corresponding blade root prefabricated member mould 20 is knocked by the rubber ball 16, and the prefabricated member is taken out by people conveniently. The motor 4 is controlled to work through the external controller, and the motor 4 drives the second rotating shaft to rotate, so that the pouring work of the root prefabricated member of the glass fiber wind power blade is conveniently completed, and the production efficiency is improved.
It should be noted that in this embodiment, the core chip of the external controller is selected from an STC single-chip microcomputer, the specific model is STC15W204S, the motor 4 can be freely configured according to the actual application scenario, and the motor 4 can be selected from a JE series single-phase servo motor manufactured by mitsubishi motor (china) limited in beijing city. The external controller controls the operation of the motor 4 by methods commonly used in the art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (4)

1. The utility model provides a pouring device of root prefabrication piece of glass fiber wind-powered electricity generation blade which characterized in that: comprises a bottom plate (1), a first belt (7), a feeding component and an auxiliary demoulding component;
the upper surface of the bottom plate (1) is provided with a fixed support (6), the side surface of the fixed support (6) is rotatably provided with a second rotating shaft and a third rotating shaft, the outer side of the fixed support (6) is provided with a driving component, the left end of the second rotating shaft is connected with the driving component, the second rotating shaft is provided with a third belt pulley, the left end of the third rotating shaft is provided with a first belt pulley (8), the first belt pulley (8) and the third belt pulley are in matched transmission connection through a first belt (7), the right end of the third rotating shaft is provided with a first gear (10), the upper surface of the bottom plate (1) is rotatably provided with a first rotating shaft (11), the upper end of the first rotating shaft (11) is provided with a working plate (9), the upper surface of the working plate (9) is uniformly provided with four blade root prefabricated member dies (20), the first rotating shaft (11) is provided with a second gear (12), the first gear (10) is in meshed connection with the second gear (12), the right end of the second gear (12) is provided with a circular groove (25), the diameter of a circular groove (25) is provided with a circle-dividing end (25) of the second rotating shaft (25), the circle-dividing end of the circle (25) is provided with a circle-dividing end of the circle (25), the utility model discloses a pouring device for a plastic material, including L type support (3) is installed to the lower extreme of second hold-down spring (18), two spacing posts (24) are installed to the left side surface mounting of L type support (3), and spacing post (24) of top contradicts with the surface of plectane (25), and spacing post (24) of below are located ring channel (26), surface mounting has gag lever post (2) under the upper end of fixed bolster (6), the spacing hole has been seted up on L type support (3), gag lever post (2) and spacing hole sliding connection and junction are equipped with the damping, conveying pipe (23) are installed to the upper end lower surface of L type support (3), conveying hole has been seted up to the upper surface of L type support (3), conveying pipe (23) and conveying hole intercommunication, pouring head (21) are installed to the lower extreme of conveying pipe (23), the upper surface of fixed bolster (6) is provided with reinforced subassembly, the upper surface of bottom plate (1) is provided with auxiliary demoulding subassembly.
2. The pouring device for a root preform of a glass fiber wind turbine blade according to claim 1, wherein: the feeding assembly comprises a raw material box (17) arranged on the upper surface of a fixed support (6), a feeding pipe (19) is arranged at a discharge hole of the raw material box (17), the lower end of the feeding pipe (19) penetrates through the upper end of the fixed support (6) and a conveying hole, the lower end of the feeding pipe (19) is positioned in a conveying pipe (23), and a water pump (22) is arranged on the feeding pipe (19).
3. The pouring device for a root preform of a glass fiber wind turbine blade according to claim 1, wherein: the auxiliary demolding assembly comprises a second belt (13) and a fourth rotating shaft which is rotatably arranged on the upper surface of the bottom plate (1), a second belt pulley (15) is arranged on the fourth rotating shaft, a fourth belt pulley is arranged on the first rotating shaft (11), the second belt pulley (15) and the fourth belt pulley are connected through the cooperation transmission of the second belt (13), a plurality of first compression springs (14) are uniformly arranged on the outer surface of the upper portion of the fourth rotating shaft, rubber balls (16) are arranged at the end parts of the first compression springs (14), and the heights of the rubber balls (16) are identical to those of the middle parts of the blade root prefabricated member molds (20).
4. The pouring device for a root preform of a glass fiber wind turbine blade according to claim 1, wherein: the driving assembly comprises a motor support (5) arranged on the side face of the fixed support (6), a motor (4) is arranged on the motor support (5), an output shaft of the motor (4) is connected with one end of the second rotating shaft through a coupling, and an input end of the motor (4) is electrically connected with an output end of the external controller.
CN202321614566.4U 2023-06-25 2023-06-25 Pouring device for root prefabricated part of glass fiber wind power blade Active CN220095614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321614566.4U CN220095614U (en) 2023-06-25 2023-06-25 Pouring device for root prefabricated part of glass fiber wind power blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321614566.4U CN220095614U (en) 2023-06-25 2023-06-25 Pouring device for root prefabricated part of glass fiber wind power blade

Publications (1)

Publication Number Publication Date
CN220095614U true CN220095614U (en) 2023-11-28

Family

ID=88841245

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321614566.4U Active CN220095614U (en) 2023-06-25 2023-06-25 Pouring device for root prefabricated part of glass fiber wind power blade

Country Status (1)

Country Link
CN (1) CN220095614U (en)

Similar Documents

Publication Publication Date Title
CN206441820U (en) A kind of double hole soft pack cell punching adjusting meanss of list
CN209651796U (en) A kind of electric lifting mechanism
CN220095614U (en) Pouring device for root prefabricated part of glass fiber wind power blade
CN112123546B (en) A cement watering feeding device for pole production
CN105904620A (en) A mold replacing vehicle used for plastic ampoule blowing-filling-sealing three-in-one equipment
CN212421979U (en) Turntable control structure of vertical injection molding machine
CN208359046U (en) It is a kind of for processing the depanning diced system of foamed bricks
CN210361799U (en) Porous insulating brick stamping device
CN204022788U (en) The candle machine of the efficient demoulding
CN216230492U (en) Nylon 66 flame-retardant motor sheath injection molding device for wind driven generator
CN102398790A (en) Polyvinyl chloride (PVC) membrane circulation feeding machine
CN205914729U (en) Automatic pattern draw die casting die
CN201109148Y (en) Composite insulation small hollow building-block automatic forming machine
CN213226796U (en) Model for producing gypsum block
CN219599863U (en) Wind-powered electricity generation mixes tower section of jurisdiction mould
CN219820531U (en) Ejection mechanism of injection mold
CN210590176U (en) Motor blade forming die
CN213267335U (en) Automatic rotary disc type forming machine for disposable tableware
CN110435202A (en) A kind of high-efficiency automatic equipment producing highly difficult high-precision graphite packing
CN202686883U (en) Servo drive device of paper brick-shaped aseptic filling machine
CN220681347U (en) Wind-powered electricity generation blade web mould
CN219581474U (en) Automatic waste discharge die
CN216498832U (en) A high-speed rotatory dispersion devices for production of concrete auxiliary agent
CN220428993U (en) Firm formula wind-powered electricity generation blade mould turning device
CN218358656U (en) Efficient pulping device for glass fiber production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant