CN216032347U - Feeding protection device of double-screw extruder for processing flame retardant powder - Google Patents
Feeding protection device of double-screw extruder for processing flame retardant powder Download PDFInfo
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- CN216032347U CN216032347U CN202122042763.0U CN202122042763U CN216032347U CN 216032347 U CN216032347 U CN 216032347U CN 202122042763 U CN202122042763 U CN 202122042763U CN 216032347 U CN216032347 U CN 216032347U
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Abstract
The utility model discloses a feeding protection device of a double-screw extruder for processing flame retardant powder, which comprises a feed hopper, a fixing mechanism and an adjusting mechanism, wherein the feed hopper comprises the following components in parts by weight: the outer cambered surface lower extreme is equipped with the collar, the upper surface of feeder hopper is equipped with the mounting disc, the upper surface middle part of mounting disc is equipped with the slot, the inside diapire middle part of slot is equipped with fixed pipe, the lower extreme and the feeder hopper of fixed pipe are linked together, the lower surface of mounting disc is equipped with the spout, the inside horizontal symmetry sliding connection of spout has semicircle fender dish, the outer cambered surface middle part that the semicircle kept off the dish all is equipped with the second regulating plate, adjacent through-hole on the mounting disc is passed respectively to the outer end of second regulating plate, this double screw extruder's for fire retardant powder processing throws material protection device, avoid the feed in-process material powder to waft everywhere, protect the environment on every side, reduce the waste of material, avoid feeding to accomplish outside dust and material mixture, protect the material.
Description
Technical Field
The utility model relates to the technical field of flame retardant powder processing, in particular to a feeding protection device of a double-screw extruder for processing flame retardant powder.
Background
The flame retardant mainly serves to increase the flame resistance of high polymer materials, and is mainly used for materials such as plastics, rubber, fibers and the like, most of the materials are combustible, particularly the plastics are very easy to combust in the application process, so the flame retardant is required to be added in the use process of the materials.
In the course of working of fire retardant powder, often use double screw extruder to process the material, to double screw extruder's feeding, it is inside to introduce the material into double screw extruder mostly through the feeder hopper.
Because the fire retardant material is provided with powder, in the feeding process, the material powder is easy to scatter around, the influence is generated on the surrounding working environment, the material waste is easy to cause, and after the feeding is finished, the external dust is easy to mix with the material, the processing quality of the material is influenced, therefore, the feeding protection device of the double-screw extruder for processing the fire retardant powder is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a feeding protection device of a double-screw extruder for processing flame retardant powder, which avoids the scattering of material powder in the feeding process, prevents external dust from being mixed with the material after the feeding is finished, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a feeding protection device of a double-screw extruder for processing flame retardant powder comprises a feed hopper, a fixing mechanism and an adjusting mechanism;
a feed hopper: the lower end of the outer arc surface of the hopper is provided with a mounting ring, the upper surface of the hopper is provided with a mounting disc, the middle part of the upper surface of the mounting disc is provided with a slot, the middle part of the inner bottom wall of the slot is provided with a fixed pipe, the lower end of the fixed pipe is communicated with the hopper, the lower surface of the mounting disc is provided with a chute, the inside of the chute is transversely and symmetrically connected with a semicircular baffle disc in a sliding manner, the middle part of the outer arc surface of the semicircular baffle disc is provided with a second adjusting plate, and the outer end of the second adjusting plate penetrates through adjacent through holes in the mounting disc respectively;
a fixing mechanism: the middle part of the upper surface of the mounting disc is provided with a groove;
the adjusting mechanism comprises: set up in the inside of mounting disc, adjustment mechanism's lower extreme is located the upper surface of second regulating plate, avoids the scattering everywhere of feeding in-process material powder, protects the environment on every side, improves the feeding effect, reduces the waste of material, avoids feeding to accomplish back outside dust and material mixture, guarantees the processingquality of material.
Furthermore, a single chip microcomputer is arranged at the front end of the outer arc surface of the mounting disc, and the input end of the single chip microcomputer is electrically connected to an external power supply to control the starting and stopping of the adjusting mechanism.
Further, fixed establishment includes locking hoop, first regulating plate, screw rod and support shell, the support shell sets up in the upper surface of mounting disc, and it is connected with the screw rod to rotate through the bearing between the inner wall about the support shell, and the right-hand member of screw rod passes the round hole on the support shell and is equipped with the knob, locking hoop sliding connection in the inside of slot, two first regulating plates that locking hoop front end set up all pass the regulation hole of slot front end and with support the inside lateral sliding connection of shell, first regulating plate all with screw rod threaded connection, conveniently fix the material bag on fixed pipe.
Further, adjustment mechanism includes plane screw ring, spacing ring, turn trough and regulation spiral trough, it sets up respectively in the upper surface of second regulating plate to adjust the spiral trough, two screw thread opposite directions of adjusting the spiral trough, the turn trough sets up in the upper surface middle part of mounting disc, the lower extreme of turn trough all is linked together with the through-hole on the mounting disc, the inside of turn trough is rotated and is connected with plane screw ring, the inside and outside cambered surface middle part of plane screw ring all is equipped with the spacing ring, the spacing ring rotates with the spacing trough on the turn trough respectively and is connected, the plane screw thread of plane screw ring lower surface all with adjust spiral trough threaded connection, the position of convenient second regulating plate is adjusted.
Further, the upper surface of plane screw ring is equipped with interior ring gear, and the upper surface rear end of mounting disc is equipped with the support frame, and the upper surface of support frame is equipped with the motor, and the output shaft lower extreme of motor passes the rotatory hole on the support frame and is equipped with the gear, and the gear is connected with interior ring gear meshing, and the input electricity of motor is connected in the output of singlechip, can adjust the position of second regulating plate automatically.
Furthermore, a torque sensor is arranged in the mounting hole in the right side face of the supporting shell, the right end of the outer arc face of the screw rod is fixedly connected with the detection end of the torque sensor, and the output end of the torque sensor is electrically connected with the input end of the single chip microcomputer to detect the rotation of the screw rod.
Furthermore, the thread directions of the left end and the right end of the screw rod are opposite, so that the moving directions of the two second adjusting plates are opposite.
Compared with the prior art, the utility model has the beneficial effects that: this fire retardant powder processing is with throwing material protection device of twin-screw extruder has following benefit:
1. with the extrados of material bag cover at fixed pipe, the lower extreme of material bag gets into inside the slot, then rotate the knob, it is rotatory to make the screw rod, because the screw thread opposite direction at both ends about the screw rod, threaded connection through first regulating plate and screw rod, make two first regulating plate relative movement, adjust the diameter of locking hoop, it is fixed on fixed pipe to make the material bag through locking hoop, keep off the position of dish through adjustment mechanism to the semicircle, make and be linked together between fixed pipe and the feeder hopper, at this moment, material in the material bag can get into inside the feeder hopper through fixed pipe, avoid the feed in-process material powder's everywhere to fly away, protect the environment on every side, improve the feeding effect, reduce the waste of material.
2. Through singlechip starter motor, the output shaft of motor drives the gear rotation, be connected through the meshing of gear and interior ring gear, it is rotatory to make interior ring gear drive plane screw ring, because two screw thread opposite directions of adjusting the screw groove, plane screw thread and regulation screw groove threaded connection through plane screw ring lower surface, make two second regulating plates drive the semicircle and keep off the dish and remove, the position that conveniently keeps off the dish to the semicircle is adjusted, make the semicircle keep off the dish and block the circulation of material between fixed pipe and feeder hopper, avoid outside dust and material mixing after the feeding is accomplished, guarantee the processingquality of material.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fixing mechanism of the present invention;
FIG. 3 is a schematic view of the internal structure of the feed hopper of the present invention;
FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 5 is an enlarged view of the structure of the present invention at B.
In the figure: the device comprises a feed hopper 1, a mounting ring 2, a semicircular retaining disc 3, a mounting disc 4, a fixing tube 5, a slot 6, a fixing mechanism 7, a locking hoop 71, a first adjusting plate 72, a screw rod 73, a supporting shell 74, an adjusting mechanism 8, a plane thread ring 81, a limiting ring 82, a rotating groove 83, an adjusting thread groove 84, a sliding groove 9, a single chip microcomputer 10, a knob 11, a second adjusting plate 12, an inner gear ring 13, a supporting frame 14, a gear 15, a motor 16 and a torque sensor 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present embodiment provides a technical solution: a feeding protection device of a double-screw extruder for processing flame retardant powder comprises a feed hopper 1, a fixing mechanism 7 and an adjusting mechanism 8;
feed hopper 1: the lower end of the outer cambered surface of the semi-circular baffle disc 3 is provided with a second adjusting plate 12, the outer end of the second adjusting plate 12 respectively penetrates through adjacent through holes on the mounting disc 4, the position of the semi-circular baffle disc 3 is conveniently adjusted, a single chip microcomputer 10 is arranged at the front end of the outer arc surface of the mounting disc 4, and the input end of the single chip microcomputer 10 is electrically connected with an external power supply to control the starting and stopping of the adjusting mechanism 8;
the fixing mechanism 7: the fixing mechanism 7 comprises a locking hoop 71, first adjusting plates 72, a screw 73 and a supporting shell 74, the supporting shell 74 is arranged on the upper surface of the mounting disc 4, the screw 73 is rotatably connected between the left inner wall and the right inner wall of the supporting shell 74 through a bearing, the right end of the screw 73 penetrates through a round hole in the supporting shell 74 and is provided with a knob 11, the locking hoop 71 is slidably connected inside a slot 6, the two first adjusting plates 72 arranged at the front end of the locking hoop 71 penetrate through adjusting holes at the front end of the slot 6 and are transversely slidably connected with the inside of the supporting shell 74, the first adjusting plates 72 are both in threaded connection with the screw 73, the knob 11 is rotated to rotate the screw 73, the screw 73 is rotated because the thread directions at the left end and the right end of the screw 73 are opposite, the two first adjusting plates 72 are in threaded connection with the screw 73, the two first adjusting plates 72 relatively move to adjust the diameter of the locking hoop 71, the material bag is fixed on the fixed pipe 5 through the locking hoop 71, the torque sensor 17 is arranged in the mounting hole in the right side surface of the supporting shell 74, the right end of the extrados surface of the screw rod 73 is fixedly connected with the detection end of the torque sensor 17, the output end of the torque sensor 17 is electrically connected with the input end of the single chip microcomputer 10 to detect the rotation of the screw rod 73, the thread directions of the left end and the right end of the screw rod 73 are opposite, and the moving directions of the two first adjusting plates 72 are opposite;
the adjusting mechanism 8: the adjusting mechanism 8 comprises a plane thread ring 81, a limiting ring 82, a rotary groove 83 and an adjusting thread groove 84, the adjusting thread grooves 84 are respectively arranged on the upper surface of the second adjusting plate 12, the thread directions of the two adjusting thread grooves 84 are opposite, the rotary groove 83 is arranged in the middle of the upper surface of the mounting plate 4, the lower end of the rotary groove 83 is communicated with a through hole on the mounting plate 4, the inner part of the rotary groove 83 is rotatably connected with the plane thread ring 81, the middle parts of the inner arc surface and the outer arc surface of the plane thread ring 81 are respectively provided with the limiting ring 82, the limiting ring 82 is respectively rotatably connected with the limiting groove on the rotary groove 83, the plane thread on the lower surface of the plane thread ring 81 is respectively in threaded connection with the adjusting thread groove 84, the upper surface of the plane thread ring 81 is provided with an inner toothed ring 13, the rear end of the upper surface of the mounting plate 4 is provided with a supporting frame 14, the upper surface of the supporting frame 14 is provided with a motor 16, the output shaft lower extreme of motor 16 passes the rotatory hole on the support frame 14 and is equipped with gear 15, gear 15 is connected with the meshing of interior ring gear 13, the input electricity of motor 16 is connected in the output of singlechip 10, through singlechip 10 starter motor 16, motor 16's output shaft drives gear 15 rotatory, be connected with the meshing of interior ring gear 13 through gear 15, it is rotatory to make interior ring gear 13 drive plane screw ring 81, because two screw thread opposite direction of adjusting thread groove 84, plane screw thread and the regulation thread groove 84 threaded connection through plane screw ring 81 lower surface, make two second regulating plates 12 drive semicircle fender dish 3 and remove, the convenience is adjusted the position of semicircle fender dish 3.
The working principle of the feeding protection device of the double-screw extruder for processing the flame retardant powder is as follows: the integral device is fixed through the mounting ring 2, when in use, a material bag is sleeved on the outer arc surface of the fixed pipe 5, the lower end of the material bag enters the slot 6, then the knob 11 is rotated to enable the screw 73 to rotate, because the thread directions of the left end and the right end of the screw 73 are opposite, the two first adjusting plates 72 are connected with the screw 73 through the threads of the first adjusting plates 72, the two first adjusting plates 72 move relatively to adjust the diameter of the locking hoop 71, the material bag is fixed on the fixed pipe 5 through the locking hoop 71, in the rotating process of the screw 73, the torque sensor 17 can detect the rotation of the screw 73 and transmit the detection result to the single chip microcomputer 10, when the screw 73 stops rotating, the material bag is fixed on the fixed pipe 5, the single chip microcomputer 10 controls the motor 16 to start, the output shaft of the motor 16 drives the gear 15 to rotate, and is connected with the inner gear ring 13 through the gear 15 in a meshing manner, make interior ring gear 13 drive plane screw ring 81 rotatory, because two screw thread opposite directions of adjusting thread groove 84, plane screw thread through plane screw ring 81 lower surface and regulation thread groove 84 threaded connection, make two second regulating plates 12 drive semicircle fender dish 3 and to keeping away from the direction removal at feeder hopper 1 center, the material in the material bag passes through fixed pipe 5 this moment and gets into inside feeder hopper 1, then get into inside the extruder through the lower extreme of feeder hopper 1, the back is accomplished in the feeding, the motor 16 reversal, drive second regulating plate 12 and semicircle fender dish 3 and reset, the circulation of material between fixed pipe 5 and feeder hopper 1 is blockked in the cooperation through two semicircle fender dishes 3, then direction rotation knob 11, loosen locking hoop 71, take off the material bag from fixed pipe 5.
It should be noted that the single chip microcomputer 10 disclosed in the above embodiments may be a single chip microcomputer controller of PIC16F1823-I/P type, the motor 16 and the torque sensor 17 may be freely configured according to an actual application scenario, the motor 16 may be a motor of 5IK40RGU-CF type, the torque sensor 17 may be a torque sensor of ZJ-500A type, and the single chip microcomputer 10 and the torque sensor 17 may be controlled to operate by a method commonly used in the prior art.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a fire retardant powder processing is with double screw extruder's material protection device that throws which characterized in that: comprises a feed hopper (1), a fixing mechanism (7) and an adjusting mechanism (8);
feed hopper (1): the lower end of the outer arc surface of the hopper is provided with a mounting ring (2), the upper surface of the hopper (1) is provided with a mounting disc (4), the middle part of the upper surface of the mounting disc (4) is provided with a slot (6), the middle part of the inner bottom wall of the slot (6) is provided with a fixed pipe (5), the lower end of the fixed pipe (5) is communicated with the hopper (1), the lower surface of the mounting disc (4) is provided with a chute (9), the inside of the chute (9) is transversely and symmetrically connected with a semicircular baffle disc (3) in a sliding manner, the middle part of the outer arc surface of the semicircular baffle disc (3) is provided with a second adjusting plate (12), and the outer end of the second adjusting plate (12) penetrates through adjacent through holes in the mounting disc (4) respectively;
fixing mechanism (7): is arranged in the middle of the upper surface of the mounting disc (4);
adjusting mechanism (8): is arranged in the mounting disc (4), and the lower end of the adjusting mechanism (8) is positioned on the upper surface of the second adjusting plate (12).
2. The feeding protection device of the twin-screw extruder for processing the flame retardant powder, according to claim 1, is characterized in that: the front end of the outer arc surface of the mounting disc (4) is provided with a single chip microcomputer (10), and the input end of the single chip microcomputer (10) is electrically connected with an external power supply.
3. The feeding protection device of the twin-screw extruder for processing the flame retardant powder, according to claim 2, is characterized in that: fixed establishment (7) include locking hoop (71), first regulating plate (72), screw rod (73) and support shell (74), support shell (74) and set up in the upper surface of mounting disc (4), it is connected with screw rod (73) to rotate through the bearing between the inner wall about support shell (74), the right-hand member of screw rod (73) passes the round hole on supporting shell (74) and is equipped with knob (11), locking hoop (71) sliding connection is in the inside of slot (6), two first regulating plate (72) that locking hoop (71) front end set up all pass the regulation hole of slot (6) front end and with support shell (74) inside lateral sliding connection, first regulating plate (72) all with screw rod (73) threaded connection.
4. The feeding protection device of the twin-screw extruder for processing the flame retardant powder, according to claim 2, is characterized in that: adjustment mechanism (8) include plane screw ring (81), spacing ring (82), turn trough (83) and regulation screw trough (84), it sets up respectively in the upper surface of second regulating plate (12) to adjust screw trough (84), the screw thread opposite direction of two regulation screw troughs (84), turn trough (83) set up in the upper surface middle part of mounting disc (4), the lower extreme of turn trough (83) all is linked together with through-hole on mounting disc (4), the internal rotation of turn trough (83) is connected with plane screw ring (81), the inside and outside cambered surface middle part of plane screw ring (81) all is equipped with spacing ring (82), spacing ring (82) rotate with the spacing trough on turn trough (83) respectively and are connected, the plane screw thread of plane screw ring (81) lower surface all with regulation screw trough (84) threaded connection.
5. The feeding protection device of the twin-screw extruder for processing the flame retardant powder, according to claim 4, is characterized in that: the upper surface of plane screw ring (81) is equipped with interior ring gear (13), and the upper surface rear end of mounting disc (4) is equipped with support frame (14), and the upper surface of support frame (14) is equipped with motor (16), and the output shaft lower extreme of motor (16) passes the rotatory hole on support frame (14) and is equipped with gear (15), and gear (15) and interior ring gear (13) meshing are connected, and the input electricity of motor (16) is connected in the output of singlechip (10).
6. The feeding protection device of the twin-screw extruder for processing the flame retardant powder, according to claim 3, is characterized in that: a torque sensor (17) is arranged in a mounting hole in the right side face of the supporting shell (74), the right end of the outer arc face of the screw rod (73) is fixedly connected with the detection end of the torque sensor (17), and the output end of the torque sensor (17) is electrically connected with the input end of the single chip microcomputer (10).
7. The feeding protection device of the twin-screw extruder for processing the flame retardant powder, according to claim 3, is characterized in that: the thread directions of the left end and the right end of the screw rod (73) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042763.0U CN216032347U (en) | 2021-08-27 | 2021-08-27 | Feeding protection device of double-screw extruder for processing flame retardant powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042763.0U CN216032347U (en) | 2021-08-27 | 2021-08-27 | Feeding protection device of double-screw extruder for processing flame retardant powder |
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| CN216032347U true CN216032347U (en) | 2022-03-15 |
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| CN202122042763.0U Active CN216032347U (en) | 2021-08-27 | 2021-08-27 | Feeding protection device of double-screw extruder for processing flame retardant powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919088A (en) * | 2022-05-20 | 2022-08-19 | 井冈山大学 | Device and process for preparing stone-like material by using waste foundry sand and dust |
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2021
- 2021-08-27 CN CN202122042763.0U patent/CN216032347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919088A (en) * | 2022-05-20 | 2022-08-19 | 井冈山大学 | Device and process for preparing stone-like material by using waste foundry sand and dust |
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