CN212498864U

CN212498864U - Double screw extruder feed mechanism convenient to adjustment

Info

Publication number: CN212498864U
Application number: CN202020305876.8U
Authority: CN
Inventors: 葛飞; 葛乾顺
Original assignee: Nanjing Shengchi Rubber And Plastic Machinery Manufacturing Co ltd
Current assignee: Nanjing Shengchi Rubber And Plastic Machinery Manufacturing Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-02-09
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to a double screw extruder feed mechanism convenient to adjustment uses in macromolecular material production field, and it includes feeding hopper and auger conveying mechanism, its characterized in that: still including rotating the base, auger conveying mechanism sets up the bottom at the feeding hopper, one side fixedly connected with play feed cylinder of mechanism case, auger conveyor bottom fixedly connected with loading board, the bottom side of loading board and the top fixed connection who rotates the base, it is equipped with the support frame to lie in the ascending one side of the direction that the mechanism case was equipped with out the feed cylinder on the loading board, driving motor's motor shaft and the input fixed connection of reducing gear box, auger conveying mechanism's output and feeding hopper intercommunication. The utility model discloses have and rotate base and loading board through setting up, when the staff of being convenient for need maintain driving motor, make driving motor towards the staff that is located double screw extruder one side, the staff of being convenient for carries out the effect of inspection and maintenance to driving motor.

Description

Double screw extruder feed mechanism convenient to adjustment

Technical Field

The utility model belongs to the technical field of the technique of macromolecular material production and specifically relates to a double screw extruder feed mechanism convenient to adjustment is related to.

Background

Screw extruders are machines that concentrate a series of chemical basic unit processes, such as solids conveying, pressurization, melting, venting, dehumidification, melt conveying and pumping, on the screws within the extruder. Twin screw extruders generally feed material through a feed mechanism and the feed rate of the extruder is controlled through the feed mechanism.

Chinese patent No. CN201120108676.4 discloses a stirring and feeding structure of an extruder, which comprises a feeding hopper, a vertical stirrer, a horizontal stirrer and an auger conveying mechanism, wherein the vertical stirrer and the horizontal stirrer stir materials in the feeding hopper, and the auger conveying mechanism conveys the materials moving to the bottom of the feeding hopper into the screw extruder, wherein the auger conveyor is driven by a motor.

The above prior art solutions have the following drawbacks: because the motor of feed mechanism is the important drive arrangement of feed mechanism, therefore need carry out regular inspection and maintenance to driving motor, when needing to overhaul devices such as feed mechanism's motor, because feed mechanism fixed mounting is on screw extruder, and the feed machine is on a parallel with screw extruder's length direction fixed mounting, and the maintainer is located one side of screw extruder width direction when overhauing, the side that faces the motor promptly, consequently it is very inconvenient to dismantle the installation to devices such as motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double screw extruder feed mechanism convenient to adjustment to prior art exists not enough.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a double-screw extruder feeding mechanism convenient to adjust comprises a feeding hopper, an auger conveying mechanism and a rotating base, wherein the auger conveying mechanism is arranged at the bottom of the feeding hopper, the auger conveying device comprises a mechanism box and a driving shaft, the auger is fixedly connected to the driving shaft, the driving shaft is positioned in the mechanism box and is rotationally connected with the inner side wall of the mechanism box, one side of the mechanism box is fixedly connected with a discharging barrel, the auger extends into the discharging barrel, a bearing plate is fixedly connected to the bottom of the auger conveying device, the bottom side of the bearing plate is fixedly connected with the top end of the rotating base, the rotating base comprises a connecting seat and a rotating sleeve, the rotating sleeve is sleeved on the connecting seat, the connecting seat is fixedly connected with the top of an extruder, a supporting frame is arranged on one side of the double-screw bearing plate, which is positioned in the direction that the, the support frame is directly fixedly connected with the top of the double-screw extruder, the connecting groove is formed in the support frame and penetrates through the support frame, a feeding hopper is connected to the side wall of the connecting groove in a sliding mode, the feeding hopper is communicated with the feed inlet of the double-screw extruder and slides along the axis direction of an auger of the auger conveying mechanism, a driving motor and a reduction gearbox are arranged on the bearing plate in the direction, away from the feeding hopper, of the auger conveying mechanism, the motor shaft of the driving motor is connected with the input end of the reduction gearbox, the output end of the reduction gearbox is fixedly connected with the driving shaft of the auger conveying mechanism, and the output end of the auger conveying mechanism.

Through adopting above-mentioned technical scheme, in the actual work process, the material is deposited temporarily in the feeding hopper, the material falls into the mechanism case from the bottom of feeding hopper, and push the material into the feeding hopper through the auger, fall into the twin-screw extruder body via the feeding hopper at last, because the setting of loading board and rotating base, be convenient for when the staff overhauls the motor in needs, at first slide the feeding hopper to the direction of keeping away from the mechanism case, thereby make a feed cylinder and feeding hopper separation, then rotate feeding mechanism, thereby make the motor orientation be located the staff of extruder one side, convenient to overhaul, overhaul the back that finishes at first rotate feeding mechanism to with twin-screw extruder length direction level, and make a feed cylinder aim at the feeding hopper, then slide the feeding hopper, make a feed cylinder get into and can accomplish the installation in the feeding hopper.

The utility model discloses further set up to: the feeding hopper is characterized in that two positioning lugs are fixedly connected to the side walls of the feeding hopper on two sides in the horizontal direction, first bolt holes are formed in the two positioning lugs, positioning plates are arranged on the support frame opposite to the two positioning lugs, second bolt holes are formed in the two positioning plates, and positioning bolts are connected between the first bolt holes and the second bolt holes.

Through adopting above-mentioned technical scheme, through setting up the location and with the locating plate, be convenient for fix a position the hopper, and when a feed cylinder stretched into in the hopper, the hopper was fixed a position the hopper to make the device remain stable in the course of the work.

The utility model discloses further set up to: the feeding hopper is provided with a feeding port, the output end of the auger conveying mechanism extends into the feeding hopper through the feeding port, and the feeding port is provided with a sealing lantern ring.

Through adopting above-mentioned technical scheme, through setting up the setting of the sealed lantern ring, when going out the feed inlet that the feed cylinder stretches into, reduced the possibility that the gap between feed inlet and the feed inlet lateral wall of material spills, promoted the reliability of device.

The utility model discloses further set up to: the end part of the input shaft of the reduction gearbox is provided with a cross groove, the end part of a motor shaft of the driving motor is fixedly provided with a cross insert matched with the groove of the pool, the driving motor is connected on the bearing plate in a sliding manner, positioning blocks are fixedly connected to two sides of the bottom of the driving motor, positioning holes are formed in the positions, opposite to the two positioning blocks, of the bearing plate, and positioning pins are inserted into the positioning holes.

Through adopting above-mentioned technical scheme, through the setting of cross recess and cross inserted block, the separation of driving motor and reducing gear box of being convenient for to the staff of being convenient for makes driving motor towards oneself after rotating feed mechanism, further with driving motor to the direction pulling that is close to oneself, is convenient for overhaul the operation to driving motor.

The utility model discloses further set up to: and the circumferential side wall of the rotating sleeve is fixedly connected with a power-assisted handle.

Through adopting above-mentioned technical scheme, through setting up the helping hand handle, for the staff rotates feed mechanism and provides the impetus, the staff of being convenient for operates the mechanism.

The utility model discloses further set up to: one end of the power-assisted handle, which is far away from the rotating sleeve, is sleeved with a lengthening cylinder.

Through adopting above-mentioned technical scheme, through setting up a long section of thick bamboo, when the staff needs slewing mechanism, will add long section of thick bamboo cover and establish the spliced pole on, add long drive power arm through a long section of thick bamboo to the staff of being convenient for utilizes the easy slewing mechanism of lever principle.

The utility model discloses further set up to: the feeding hopper is detachably connected with the mechanism box.

Through adopting above-mentioned technical scheme, when being convenient for the staff overhauls the mechanism, take off the feeding hopper from the mechanism, reduce the pressure that the rotating base bore to further reduce the required power of staff slewing mechanism, the staff of being convenient for simultaneously is to the washing and the repair of feeding hopper.

The utility model discloses further set up to: a buffer cushion is arranged at the joint of the feeding hopper and the mechanism box.

Through adopting above-mentioned technical scheme, through setting up the blotter, reduced the double screw extruder working process, vibrations conduction to feeding hopper department causes the possibility of feeding hopper shake and drop, has increased the frictional force between feeding hopper and the mechanism case through setting up the blotter simultaneously, has promoted connection stability.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the rotating base and the bearing plate, when a worker needs to maintain the driving motor, the mechanism is rotated, the driving motor faces the worker on one side of the double-screw extruder, and the worker can conveniently check and maintain the driving motor;

2. the feeding hopper and the feeding mechanism are positioned by arranging the positioning lug, the first bolt hole and the second bolt hole, so that the working stability of the device is improved;

3. through the cooperation that sets up cross recess and cross inserted block to through the sliding connection who sets up driving motor and loading board, the staff of further being convenient for overhauls driving motor.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the device according to the embodiment.

Fig. 2 is a schematic sectional view of the internal structure of the mechanism box according to the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.

Fig. 4 is a schematic sectional view of the connection structure of the fixing lug and the fixing plate according to the embodiment.

In the figure, 1, a feeding hopper; 2. a packing auger conveying mechanism; 21. a mechanism box; 22. a drive shaft; 221. a packing auger; 23. a discharging barrel; 231. a sealing collar; 3. rotating the base; 4. a carrier plate; 5. a connecting seat; 51. rotating the sleeve; 52. a support frame; 521. connecting grooves; 522. positioning a plate; 523. a second bolt hole; 533. positioning the bolt; 54. a feed port; 6. a hopper; 61. positioning the ear; 611. a first bolt hole; 7. a drive motor; 71. a reduction gearbox; 72. a cross-shaped groove; 73. a cross insert block; 74. positioning blocks; 75. positioning holes; 751. positioning pins; 8. a power-assisted handle; 81. connecting columns; 82. lengthening the barrel; 9. a stabilizer frame; 91. a cushion pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a twin-screw extruder feed mechanism convenient to frame skipping, including feeding hopper 1 and loose conveying mechanism, auger 221 conveying mechanism 2 includes mechanism case 21, and the internal rotation of mechanism case 21 is connected with drive shaft 22, and mechanism case 21 is stretched out to drive shaft 22 one end, and is located one of mechanism case 21 and serves fixed coaxial coupling and have auger 221. The connecting hole has been seted up to the upside of mechanism case 21, the bottom of feeding hopper 1 is inserted in the connecting cylinder, and mechanism case 21 top is located connecting hole department and is equipped with infundibulate stabilizer 9, stabilizer 9 is equipped with blotter 91 (refer to fig. 3) towards one side of feeding hopper 1, when feeding hopper 1 was placed on mechanism case 21, the circumference lateral wall of feeding hopper 1 bottom was contradicted with blotter 91 on the stabilizer 9, thereby feeding hopper 1 is fixed a position self on infundibulate stabilizer 9 because the gravity of self and inside material is compressed tightly, through the connection of dismantling that sets up feeding hopper 1, the staff of being convenient for takes off feeding hopper 1 when overhauing driving motor 7, reduce the pressure that the mechanism received below, and be convenient for wash feeding hopper 1. The buffer pad 91 reduces the possibility that the vibration of the twin-screw extruder during operation is transmitted to the feeding hopper 1, which causes the feeding hopper 1 to move and causes danger. The bottom of loading board 4 is equipped with rotates base 3, rotates base 3 by connecting seat 5 and rotation sleeve 51, and wherein connecting seat 5 is direct and twin-screw extruder top fixed connection, rotates sleeve 51 cover and establishes on connecting seat 5 and be connected with connecting seat 5 rotation.

Referring to fig. 1, a reduction box 71 is arranged on one side of the mechanism box 21, the driving shaft 22 is fixedly connected with an output shaft of the reduction box 71, and a driving motor 7 is arranged on one side of the reduction box 71 far away from the driving shaft 22. The bottom of the mechanism box 21 is fixedly connected with a bearing plate 4, the bottom of the driving motor 7 is provided with a sliding plate, and the bottom of the sliding plate slides on the bearing plate 4 through the matching of a sliding block and a sliding groove. Fixedly connected with cross inserted block 73 on driving motor 7's the motor shaft, cross recess 72 has been seted up to the input shaft tip of reducing gear box 71, the equal fixedly connected with locating piece 74 in driving motor 7 both sides, locating hole 75 has all been seted up on locating piece 74 and the loading board 4 relevant position, wear to be equipped with locating pin 751 in the locating hole 75, when cross inserted block 73 inserts in cross recess 72, fix a position driving motor 7 through the cooperation of locating pin 751 and locating hole 75.

Referring to fig. 1 and 4, a supporting frame 52 fixedly connected with the top of the double-screw extruder is arranged on one side of the bearing plate 4, which is far away from the driving motor 7, a connecting groove 521 penetrating along the vertical direction is formed in the supporting frame 52, a hopper 6 is connected to the side wall of the connecting groove 521 in a sliding manner, and the hopper 6 slides in the connecting groove 521 through the matching of a sliding block and a sliding groove. The bottom end of the hopper 6 is communicated with the feed inlet of the extruder. The feeding port 54 is formed in the feeding hopper 6, the mechanism box 21 is fixedly connected with a discharging barrel 23 towards one side of the feeding hopper 6, the packing auger 221 extends into the discharging barrel 23, the discharging barrel 23 extends into the feeding port 54, and a sealing sleeve ring 231 surrounding the discharging barrel 23 is arranged on the feeding port 54. All be equipped with location ear 61 on the both sides of hopper 6 horizontal direction, all set firmly locating plate 522 on the corresponding position of support frame 52 top and location ear 61, all seted up first bolt hole 611 on the ear 61 of location, seted up second bolt hole 523 on the locating plate 522. Staff's accessible slip hopper 6 makes first bolt hole 611 and second bolt hole 523 align, then fixes a position it through the bolt to make hopper 6 fix a position out feed cylinder 23, and then the rotary motion of location loading board 4. The power-assisted handle 8 is fixedly connected to the circumferential side wall of the rotating sleeve 51, one end, far away from the rotating sleeve 51, of the power-assisted handle 8 is fixedly connected with a connecting column, and the connecting column is sleeved with the lengthening cylinder 82, so that an acting point is provided for workers to rotate the feeding mechanism, and the force required by the workers rotating mechanism is saved.

The implementation principle of the embodiment is as follows: when the worker needs to overhaul the driving motor 7, the worker stands on one side of the twin-screw extruder. The staff takes out the bolt in first bolt hole 611 and the second bolt hole 523 at first, then slides hopper 6 to the direction of keeping away from mechanism case 21, grips helping hand handle 8 and loading board 4 and rotates certain angle, then overlaps a extension section of thick bamboo 82 on spliced pole 8 to continue to grip an extension section of thick bamboo 82 and continue to rotate loading board 4, make driving motor 7 towards oneself. Then, the positioning pin 751 is taken out of the positioning hole 75, and the driving motor 7 is pulled towards the direction of the driving motor 7, so that the driving motor 7 is separated from the reduction gearbox 71 and is close to the driving motor, the driving motor 7 is convenient to overhaul and operate, and the overhaul convenience is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a double screw extruder feed mechanism convenient to adjustment, includes feeding hopper (1) and auger (221) conveying mechanism (2), its characterized in that: still include and rotate base (3), auger (221) conveying mechanism (2) sets up the bottom at feeding hopper (1), auger (221) conveyor includes mechanism case (21) and drive shaft (22), fixedly connected with auger (221) on drive shaft (22), drive shaft (22) are located mechanism case (21) inside and rotate with the inside wall of mechanism case (21) and be connected, one side fixedly connected with of mechanism case (21) goes out feed cylinder (23), auger (221) stretches into out feed cylinder (23), auger (221) conveying mechanism bottom fixedly connected with loading board (4), the bottom side of loading board (4) and the top fixed connection who rotates base (3), it includes connecting seat (5) and rotates sleeve (51) to rotate base (3), it establishes on connecting seat (5) to rotate sleeve (51) cover, the connecting seat (5) is fixedly connected with the top of the double-screw extruder, a support frame (52) is arranged on one side of the bearing plate (4) which is positioned in the direction that the mechanism box (21) is provided with the discharge barrel (23), the support frame (52) is directly fixedly connected with the top of the double-screw extruder, a connecting groove (521) is formed in the support frame (52), the connecting groove (521) penetrates through the support frame (52), a hopper (6) is connected to the side wall of the connecting groove (521) in a sliding manner, the hopper (6) is communicated with the feed inlet of the double-screw extruder and slides along the axial direction of an auger (221) conveying mechanism (2), a driving motor (7) and a reduction gearbox (71) are arranged on the bearing plate (4) in the direction that the auger (221) conveying mechanism (2) is far away from the hopper (6), and the motor shaft of the driving motor (7), the output end of the reduction gearbox (71) is fixedly connected with a driving shaft (22) of the auger (221) conveying mechanism (2), and the output end of the auger (221) conveying mechanism (2) is communicated with the hopper (6).

2. The adjustable feeding mechanism of the twin-screw extruder of claim 1, which is characterized in that: the utility model discloses a positioning device for the conveyor belt, including hopper (6), locating lug (61) are fixed and connected with on the lateral wall that lies in the horizontal direction both sides on hopper (6), two all seted up first bolt hole (611) on locating lug (61), all be equipped with locating plate (522) on support frame (52) with two locating lug (61) to the position right, two all seted up second bolt hole (523) on locating plate (522), first bolt hole (611) and second bolt hole (523) common connection have positioning bolt (533).

3. The feeding mechanism of the twin-screw extruder convenient to adjust as claimed in claim 2, wherein: a feeding port (54) is formed in the feeding hopper (6), the output end of the auger (221) conveying mechanism (2) extends into the feeding hopper (6) through the feeding port (54), and a sealing sleeve ring (231) is arranged at the feeding port (54).

4. The feeding mechanism of twin-screw extruder convenient for adjustment according to claim 3, characterized in that: reduction box (71) input shaft tip has seted up cross recess (72), the motor shaft tip of driving motor (7) has set firmly cross inserted block (73) with pond recess looks adaptation, driving motor (7) sliding connection is on loading board (4), equal fixedly connected with locating piece (74) in both sides of driving motor (7) bottom, two locating hole (75) have all been seted up on locating piece (74) and the relative position of loading board (4), each all insert in locating hole (75) and be equipped with locating pin (751).

5. The feeding mechanism of twin-screw extruder convenient for adjustment according to claim 4, characterized in that: and a power-assisted handle (8) is fixedly connected to the circumferential side wall of the rotating sleeve (51).

6. The feeding mechanism of twin-screw extruder convenient for adjustment according to claim 5, characterized in that: one end, far away from the rotating sleeve (51), of the power-assisted handle (8) is sleeved with a lengthening cylinder (82).

7. The adjustable feeding mechanism of the twin-screw extruder of claim 1, which is characterized in that: the feeding hopper (1) is detachably connected with the mechanism box (21).

8. The adjustable feeding mechanism of twin-screw extruder in claim 7, which is characterized in that: a buffer pad (91) is arranged at the joint of the feeding hopper (1) and the mechanism box (21).