CN220276906U - Kneader for DMC raw material - Google Patents

Abstract

The utility model relates to the field of kneaders, and discloses a kneader for DMC (metal-organic chemical) raw materials, which comprises a kneader base, a mixing barrel, a stirring mechanism and a heating mechanism, wherein the mixing barrel is fixedly arranged at the top of the kneader base, the bottom of the mixing barrel is of an inclined surface structure, a feed inlet is formed in the top of the mixing barrel, a cock is arranged on the top thread of the feed inlet, a discharge pipe which is obliquely arranged is fixedly arranged on the right side wall of the mixing barrel, an end cover is arranged on the right-end thread of the discharge pipe, the stirring mechanism and the heating mechanism are both arranged on the mixing barrel, the stirring mechanism is used for stirring and mixing the DMC raw materials, and the heating mechanism is used for heating the DMC raw materials. The utility model has the following advantages and effects: the DMC raw materials can be fully stirred and mixed, and can be comprehensively and effectively heated, stirred and mixed according to the requirements, so that the DMC raw materials are heated uniformly, and the stirring and mixing quality of the DMC raw materials is improved.

Description

Kneader for DMC raw material

Technical Field

The utility model relates to the technical field of kneaders, in particular to a kneader for DMC raw materials.

Background

DMC is a low-toxicity, environment-friendly and widely used chemical raw material, mainly comprises GF (chopped glass fiber), UP (unsaturated resin), MD (filler) and various additives which are fully mixed to form a material-ball-shaped prepreg, and has the characteristics of safe and convenient use, less pollution, easy transportation and the like in production, thus being a green chemical product with development prospect. In the production of DMC, a kneader, which is a special mixing apparatus for stirring and mixing the materials uniformly, is required. Through retrieval, chinese patent with the grant publication number of CN218256066U announces a kneader for DMC or BMC raw materials, and relates to the field of DMC or BMC material processing equipment, and the kneader comprises a base, a discharging box, a stirring cavity with an opening at one end, wherein the stirring cavity is rotationally connected with a stirring piece, and the stirring cavity is used for storing materials; the base is further hinged with a driving piece, one end of the driving piece, far away from the base, is hinged with the discharging box and used for driving the discharging box to turn over so that the opening of the discharging box is lowered in the vertical direction, the lifting height of materials during charging is reduced, and feeding is facilitated.

The prior proposal has the following defects in actual operation: the DMC raw materials are not convenient to be heated, stirred and mixed according to the processing requirements, and the stirring and mixing quality of the DMC raw materials is affected; in addition, although the existing kneaders for DMC raw materials are provided with heating elements, most of the heating elements are fixed at fixed installation positions and can only locally heat the DMC raw materials, so that the DMC raw materials are heated unevenly.

Therefore, it is necessary to design a kneader for DMC raw materials that can perform overall and effective heating, stirring and mixing of the DMC raw materials as needed, so that the DMC raw materials are heated uniformly, and the stirring and mixing quality of the DMC raw materials is improved.

Disclosure of Invention

The utility model aims to provide a kneader for DMC raw materials, which can fully stir and mix DMC raw materials, and can comprehensively and effectively heat, stir and mix DMC raw materials according to requirements, so that the DMC raw materials are heated uniformly, and the stirring and mixing quality of the DMC raw materials is improved.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a kneader for DMC raw materials, includes kneader frame, compounding section of thick bamboo, rabbling mechanism and heating mechanism, compounding section of thick bamboo fixed mounting is at the top of kneader frame, and the inside inclined plane structure that is in bottom of compounding section of thick bamboo, and the feed inlet has been seted up at the top of compounding section of thick bamboo, and the cock is installed to the top screw thread of feed inlet, and fixed mounting has the discharging pipe that the slope set up on the right side wall of compounding section of thick bamboo, and the end cover is installed to the right-hand member screw thread of discharging pipe, and rabbling mechanism and heating mechanism all set up on the compounding section of thick bamboo, and rabbling mechanism is used for stirring and mixing the DMC raw materials, and heating mechanism is used for heating the DMC raw materials.

The utility model is further provided with: the stirring mechanism comprises a first transverse shaft, a second transverse shaft, an upper spiral stirring rod, a lower spiral stirring rod, a motor, a main gear, a first transmission gear and a second transmission gear, wherein a first mounting hole is formed in the left inner wall of the mixing drum, the first transverse shaft is rotatably mounted in the first mounting hole through a sealing bearing, two ends of the first transverse shaft extend out of the first mounting hole, a second mounting hole positioned above a discharging pipe is formed in the right inner wall of the mixing drum, the second transverse shaft is rotatably mounted in the second mounting hole through the sealing bearing, two ends of the second transverse shaft extend out of the second mounting hole, two ends of the upper spiral stirring rod are fixedly connected with the right end of the first transverse shaft and the left end of the second transverse shaft respectively, the lower spiral stirring rod is rotatably mounted in the mixing drum and positioned below the upper spiral stirring rod, the left end of the lower spiral stirring rod extends out of the mixing drum, the motor is fixedly mounted at the top of the kneader base and positioned at the left side of the mixing drum, the main gear is fixedly mounted at the output shaft end of the motor, the first transmission gear is fixedly mounted at the left end of the main gear of the motor, the first transmission gear is fixedly mounted at the left end of the lower spiral stirring rod and meshed with the first transmission gear, the first transmission gear is fixedly arranged at the left end of the first transmission gear and meshed with the second transmission gear.

The utility model is further provided with: the heating mechanism comprises a U-shaped steam conveying pipe, a steam inlet pipe, a flow regulating valve and a steam discharge pipe, wherein the left end of a first transverse shaft is provided with a steam inlet groove, the right end of a second transverse shaft is provided with a steam outlet groove, the U-shaped steam conveying pipe is positioned in a mixing barrel, two ends of the U-shaped steam conveying pipe are respectively fixedly connected with the first transverse shaft and the second transverse shaft, two ends of the U-shaped steam conveying pipe are respectively communicated with the steam inlet groove and the steam outlet groove, the right end of the steam inlet pipe extends into the steam inlet groove, the flow regulating valve is fixedly installed on the steam inlet pipe, and the left end of the steam discharge pipe extends into the steam outlet groove.

The utility model is further provided with: the outer pipe wall of the U-shaped steam transmission pipe is fixedly sleeved with a plurality of heat conducting fins which are distributed at equal intervals.

The utility model is further provided with: the steam inlet pipe is in rotary sealing fit with the steam inlet groove through the first sealing ring, the steam outlet groove is fixedly provided with the second sealing ring, and the steam outlet pipe is in rotary sealing fit with the steam outlet groove through the second sealing ring.

The utility model is further provided with: the temperature sensor is fixedly installed on the inner wall of the top of the mixing barrel, the controller is fixedly installed on the front side wall of the kneader base, and the temperature sensor, the motor and the controller are electrically connected.

The utility model is further provided with: the top fixed mounting of kneader frame has two to consolidate the seat, consolidates the seat symmetry and sets up the front and back both sides at the compounding section of thick bamboo, and two consolidate seat and the urceolus wall fixed connection of compounding section of thick bamboo.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the DMC raw materials can be comprehensively and effectively stirred and uniformly mixed by utilizing the stirring mechanism consisting of the first transverse shaft, the second transverse shaft, the upper spiral stirring rod, the lower spiral stirring rod, the motor, the main gear, the first transmission gear and the second transmission gear.

2. The utility model utilizes the heating mechanism consisting of the U-shaped steam conveying pipe, the steam inlet pipe, the flow regulating valve and the steam outlet pipe, can comprehensively and effectively heat the DMC raw material in the stirring and mixing process of the DMC raw material, ensures that the DMC raw material is heated uniformly, achieves the aim of heating and stirring the DMC raw material, and improves the stirring and mixing quality of the DMC raw material.

3. According to the utility model, the opening of the flow regulating valve is regulated, so that the entering amount of steam entering the mixing cylinder can be controlled, and the DMC raw material can be heated and stirred while maintaining proper temperature.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a schematic diagram of a front sectional structure of the present embodiment.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure, 1, a kneader base; 2. a mixing cylinder; 3. a feed inlet; 4. a cock; 5. a discharge pipe; 6. an end cap; 7. a first transverse axis; 8. a second transverse axis; 9. a spiral stirring rod is arranged on the upper part; 10. a lower spiral stirring rod; 11. a motor; 12. a main gear; 13. a first transmission gear; 14. a second transmission gear; 15. a steam inlet groove; 16. a steam outlet groove; 17. a U-shaped steam delivery pipe; 18. a vapor inlet tube; 19. a flow regulating valve; 20. a vapor discharge pipe; 21. a heat conductive sheet; 22. a temperature sensor; 23. a controller; 24. and (5) reinforcing the seat.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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 fall within the scope of the utility model.

Referring to fig. 1, 2 and 3, the present utility model provides a kneader for DMC raw materials, comprising a kneader base 1, a mixing drum 2, a stirring mechanism and a heating mechanism, wherein the mixing drum 2 is fixedly installed at the top of the kneader base 1, the mixing drum 2 is used for storing the DMC raw materials and providing a space for stirring the DMC raw materials, the inside of the bottom of the mixing drum 2 is of an inclined surface structure so as to facilitate the whole discharge of the uniformly stirred DMC raw materials, the top of the mixing drum 2 is provided with a feed inlet 3 for adding the DMC raw materials into the mixing drum 2, a cock 4 is installed at the top thread of the feed inlet 3 for plugging the feed inlet 3, a discharge pipe 5 which is obliquely arranged is fixedly installed on the right side wall of the mixing drum 2 for discharging the uniformly mixed DMC raw materials, and an end cover 6 is installed at the right end thread of the discharge pipe 5 for plugging the discharge pipe 5, wherein:

the stirring mechanism and the heating mechanism are both arranged on the mixing cylinder 2, the stirring mechanism is used for stirring and mixing DMC raw materials, the heating mechanism is used for heating DMC raw materials, the stirring mechanism comprises a first transverse shaft 7, a second transverse shaft 8, an upper spiral stirring rod 9, a lower spiral stirring rod 10, a motor 11, a main gear 12, a first transmission gear 13 and a second transmission gear 14, a first mounting hole is formed on the left inner wall of the mixing cylinder 2, the first transverse shaft 7 is rotatably arranged in the first mounting hole through a sealing bearing, two ends of the first transverse shaft 7 extend out of the first mounting hole, a second mounting hole positioned above a discharge pipe 5 is formed on the right inner wall of the mixing cylinder 2, the second transverse shaft 8 is rotatably arranged in the second mounting hole through a sealing bearing, two ends of the second transverse shaft 8 extend out of the second mounting hole, the two ends of the upper spiral stirring rod 9 are fixedly connected with the right end of the first transverse shaft 7 and the left end of the second transverse shaft 8 respectively, the lower spiral stirring rod 10 is rotatably arranged in the mixing cylinder 2 and positioned below the upper spiral stirring rod 9, the left end of the lower spiral stirring rod 10 extends out of the mixing cylinder 2, the motor 11 is fixedly arranged at the top of the kneader base 1 and positioned at the left side of the mixing cylinder 2, the main gear 12 is fixedly arranged at the output shaft end of the motor 11, the first transmission gear 13 is fixedly arranged at the left end of the lower spiral stirring rod 10, the first transmission gear 13 is meshed with the main gear 12, the second transmission gear 14 is fixedly sleeved on the first transverse shaft 7 and positioned at the left side of the mixing cylinder 2, the second transmission gear 14 is meshed with the first transmission gear 13, the motor 11 is used for driving the main gear 12 to rotate, and the sequential meshing transmission effect of the main gear 12, the first transverse shaft 7 and the second transmission gear 14 can be controlled, the second cross shaft 8, the upper spiral stirring rod 9 and the lower spiral stirring rod 10 rotate simultaneously and are used for stirring and mixing DMC raw materials, and the diameter size of the second transmission gear 14 is the largest, the diameter size of the first transmission gear 13 is the smallest, the diameter size of the main gear 12 is moderate, and further the synchronous opposite rotation of the upper spiral stirring rod 9 and the lower spiral stirring rod 10 can be ensured, and the different rotation speeds of the upper spiral stirring rod 9 and the lower spiral stirring rod 10 are helpful for improving the uniformity and the stirring and mixing efficiency of stirring and mixing DMC raw materials, the heating mechanism comprises a U-shaped steam conveying pipe 17, a steam inlet pipe 18, a flow regulating valve 19 and a steam discharge pipe 20, a steam inlet groove 15 is formed at the left end of the first cross shaft 7, a steam outlet groove 16 is formed at the right end of the second cross shaft 8, the U-shaped steam conveying pipe 17 is positioned in the mixing drum 2, the two ends of the U-shaped steam transmission pipe 17 are fixedly connected with the first transverse shaft 7 and the second transverse shaft 8 respectively, the two ends of the U-shaped steam transmission pipe 17 are communicated with the steam inlet groove 15 and the steam outlet groove 16 respectively, the right end of the steam inlet pipe 18 extends into the steam inlet groove 15, the flow regulating valve 19 is fixedly arranged on the steam inlet pipe 18, the left end of the steam outlet pipe 20 extends into the steam outlet groove 16, the steam inlet pipe 18 is used for guiding steam into the steam inlet groove 15, so that the steam can flow through the inside of the U-shaped steam transmission pipe 17, heat in the steam can be transferred into DMC raw materials through the U-shaped steam transmission pipe 17, the function of heating DMC raw materials is realized, the uniform mixing of DMC raw materials is improved, the steam outlet pipe 20 is used for discharging the steam after heat release, the U-shaped steam transmission pipe 17 is driven to rotate by the first transverse shaft 7 and the second transverse shaft 8, the uniformity of heating of DMC raw materials can be improved, the effect of stirring DMC raw materials is also realized, the flow regulating valve 19 is used for regulating the steam inlet amount of steam, the steam inlet pipe 18 is fixedly connected with the steam outlet end of an external steam generator, and further used for conveying steam, the steam outlet pipe 20 is fixedly connected with the inlet end of an external steam recovery box, and used for recovering steam for recycling, the steam inlet pipe 18 and the steam outlet pipe 20 are fixed at proper positions by using pipe clamps, so that the steam inlet pipe 18 and the steam outlet pipe 20 are prevented from shifting, the outer pipe wall of the U-shaped steam conveying pipe 17 is fixedly sleeved with a plurality of heat conducting fins 21, the plurality of heat conducting fins 21 are distributed at equal intervals, the contact range of DMC raw materials and heat in steam can be increased by utilizing the plurality of heat conducting fins 21, and the heating uniformity of the DMC raw materials can be further improved.

In this embodiment, a first sealing ring is fixedly installed on the inner wall of the steam inlet groove 15, the steam inlet pipe 18 is in rotary sealing fit with the steam inlet groove 15 through the first sealing ring, a second sealing ring is fixedly installed on the inner wall of the steam outlet groove 16, the steam outlet pipe 20 is in rotary sealing fit with the steam outlet groove 16 through the second sealing ring, a gap between the steam inlet groove 15 and the steam inlet pipe 18 can be sealed by using the first sealing ring, and a gap between the steam outlet groove 16 and the steam outlet pipe 20 can be sealed by using the second sealing ring, and it is noted that the first sealing ring and the second sealing ring both adopt commercially available high temperature resistant sealing rings.

In this embodiment, a temperature sensor 22 is fixedly installed on the top inner wall of the mixing barrel 2, a controller 23 is fixedly installed on the front side wall of the kneader base 1, the temperature sensor 22, the motor 11 and the controller 23 are electrically connected, the temperature sensor 22 is used for monitoring the temperature inside the mixing barrel 2, a display screen and a plurality of control buttons are arranged on the controller 23, the temperature value monitored by the temperature sensor 22 can be displayed on the display screen so as to be convenient for a worker to watch, and the plurality of control buttons are used for respectively controlling the electrifying operation of the motor 11 and the temperature sensor 22.

In this embodiment, two reinforcing seats 24 are fixedly installed at the top of the kneader base 1, the reinforcing seats 24 are symmetrically arranged at the front side and the rear side of the mixing barrel 2, and the two reinforcing seats 24 are fixedly connected with the outer barrel wall of the mixing barrel 2 for enhancing the stability of the kneader base 1 in the mixing barrel 2.

Through the structure, the kneader for DMC raw materials provided by the utility model can fully stir and mix DMC raw materials when in use, and can fully and effectively heat, stir and mix DMC raw materials as required, so that DMC raw materials are heated uniformly, the stirring and mixing quality of DMC raw materials is improved, when in specific operation, a cock 4 is screwed out, DMC raw materials are poured into a mixing cylinder 2, then a motor 11 is started to operate, the motor 11 drives a main gear 12 to rotate, the main gear 12 drives a first transmission gear 13 and a second transmission gear 14 to rotate, so that a first transverse shaft 7, a second transverse shaft 8, an upper spiral stirring rod 9, a lower spiral stirring rod 10 and a U-shaped steam delivery pipe 17 can simultaneously rotate, and the steering opposite speeds of the upper spiral stirring rod 9 and the lower spiral stirring rod 10 are different, and further under the combined action of the upper spiral stirring rod 9, the lower spiral stirring rod 10 and the U-shaped steam delivery pipe 17, can realize full and sufficient stirring and mixing of DMC raw materials, when DMC raw materials are required to be heated and mixed in the process of mixing DMC raw materials, the flow regulating valve 19 is opened, steam can enter the U-shaped steam conveying pipe 17 through the steam inlet pipe 18, heat in the steam can be transferred to DMC raw materials by utilizing the flow of the steam in the U-shaped steam conveying pipe 17, the U-shaped steam conveying pipe 17 is matched to rotate by taking the first transverse shaft 7 as the axis, the heat in the steam can be more uniformly and effectively transferred to DMC raw materials, the DMC raw materials can be uniformly heated, the steam after heat release is discharged through the steam discharge pipe 20, the temperature in the mixing cylinder 2 can be monitored by opening the temperature sensor 22, the entering amount of the steam into the mixing cylinder 2 can be controlled by controlling the opening of the flow regulating valve 19, and then can keep suitable temperature to stir DMC raw materials, after stirring and mixing to DMC raw materials, stop motor 11 and close flow control valve 19 and temperature sensor 22, open end cover 6, can make the complete discharge of the complete follow discharging pipe 5 of the DMC raw materials that mix, when stirring and mixing to DMC raw materials, when not needing to heat DMC raw materials, only need control motor 11 operation, need not open flow control valve 19 can.

The above description is made in detail of a kneader for DMC raw material provided by the present utility model. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (7)

1. A kneader for DMC raw materials, its characterized in that includes kneader frame (1), compounding section of thick bamboo (2), rabbling mechanism and heating mechanism, compounding section of thick bamboo (2) fixed mounting is in the top of kneader frame (1), the inside inclined plane structure that is in bottom of compounding section of thick bamboo (2), feed inlet (3) have been seted up at the top of compounding section of thick bamboo (2), cock (4) are installed to the top screw thread of feed inlet (3), discharging pipe (5) that fixed mounting set up in the slope on the right side wall of compounding section of thick bamboo (2), end cover (6) are installed to the right-hand member screw thread of discharging pipe (5), rabbling mechanism with heating mechanism all sets up on compounding section of thick bamboo (2), rabbling mechanism is used for stirring and mixing the DMC raw materials, heating mechanism is used for heating the DMC raw materials.

2. A kneader for DMC materials as defined in claim 1, characterized in that: the stirring mechanism comprises a first transverse shaft (7), a second transverse shaft (8), an upper spiral stirring rod (9), a lower spiral stirring rod (10), a motor (11), a main gear (12), a first transmission gear (13) and a second transmission gear (14), wherein a first mounting hole is formed in the left inner wall of the mixing drum (2), the first transverse shaft (7) is rotatably mounted in the first mounting hole through a sealing bearing, both ends of the first transverse shaft (7) extend out of the first mounting hole, a second mounting hole positioned above a discharging pipe (5) is formed in the right inner wall of the mixing drum (2), the second transverse shaft (8) is rotatably mounted in the second mounting hole through the sealing bearing, both ends of the second transverse shaft (8) extend out of the second mounting hole, both ends of the upper spiral stirring rod (9) are respectively connected with the right end of the first transverse shaft (7) and the left end of the second transverse shaft (8), the lower spiral stirring rod (10) is rotatably mounted on the right inner wall of the mixing drum (2) and positioned at the top of the mixing drum (1) and extends out of the mixing drum (2), the main gear (12) is fixedly arranged at the output shaft end of the motor (11), the first transmission gear (13) is fixedly arranged at the left end of the lower spiral stirring rod (10), the first transmission gear (13) is meshed with the main gear (12), the second transmission gear (14) is fixedly sleeved on the first transverse shaft (7) and positioned at the left side of the mixing drum (2), and the second transmission gear (14) is meshed with the first transmission gear (13).

3. A kneader for a DMC material as defined in claim 2, characterized in that: the heating mechanism comprises a U-shaped steam conveying pipe (17), a steam inlet pipe (18), a flow regulating valve (19) and a steam outlet pipe (20), wherein a steam inlet groove (15) is formed in the left end of a first transverse shaft (7), a steam outlet groove (16) is formed in the right end of a second transverse shaft (8), the U-shaped steam conveying pipe (17) is located in the mixing drum (2), two ends of the U-shaped steam conveying pipe (17) are fixedly connected with the first transverse shaft (7) and the second transverse shaft (8) respectively, two ends of the U-shaped steam conveying pipe (17) are communicated with the steam inlet groove (15) and the steam outlet groove (16) respectively, the right end of the steam inlet pipe (18) extends to the steam inlet groove (15), the flow regulating valve (19) is fixedly installed on the steam inlet pipe (18), and the left end of the steam outlet pipe (20) extends to the steam outlet groove (16).

4. A kneader for a DMC material as defined in claim 3, characterized in that: the outer pipe wall of the U-shaped steam transmission pipe (17) is fixedly sleeved with a plurality of heat conducting fins (21), and the heat conducting fins (21) are distributed at equal intervals.

5. A kneader for a DMC material as defined in claim 3, characterized in that: the steam inlet device is characterized in that a first sealing ring is fixedly arranged on the inner wall of the steam inlet groove (15), the steam inlet pipe (18) is in rotary sealing fit with the steam inlet groove (15) through the first sealing ring, a second sealing ring is fixedly arranged on the inner wall of the steam outlet groove (16), and the steam outlet pipe (20) is in rotary sealing fit with the steam outlet groove (16) through the second sealing ring.

6. A kneader for a DMC material as defined in claim 2, characterized in that: the mixing drum is characterized in that a temperature sensor (22) is fixedly installed on the inner wall of the top of the mixing drum (2), a controller (23) is fixedly installed on the front side wall of the kneader base (1), and the temperature sensor (22), the motor (11) and the controller (23) are electrically connected.

7. A kneader for DMC materials as defined in claim 1, characterized in that: the top of the kneader base (1) is fixedly provided with two reinforcing seats (24), the reinforcing seats (24) are symmetrically arranged on the front side and the rear side of the mixing barrel (2), and the two reinforcing seats (24) are fixedly connected with the outer barrel wall of the mixing barrel (2).