阅读说明：本技术 螺杆推出机构及具有该螺杆推出机构的双螺杆膨化机 (Screw rod ejecting mechanism and double-screw extruder with same ) 是由 王国荣 于 2021-09-01 设计创作，主要内容包括：本发明提供了一种螺杆推出机构及具有该螺杆推出机构的双螺杆膨化机,驱动马达的输出端与变速箱的输入端连接,螺杆一端与变速箱的输出轴连接,螺杆另一端延伸入套筒内,套筒固定在机架顶端,机架设置在双螺杆膨化机的机座上,包括：液压油缸、支撑板、伸缩杆,变速箱与套筒之间设置有支撑板,支撑板上设置有通孔,螺杆穿过通孔,位于支撑板与套筒之间的螺杆的直径大于通孔的直径,变速箱与支撑板之间通过液压油缸连接。本发明的目的在于提供一种操作方便、工作高效的螺杆推出机构及具有该螺杆推出机构的双螺杆膨化机。(The invention provides a screw pushing mechanism and a double-screw extruder with the same, wherein the output end of a driving motor is connected with the input end of a gearbox, one end of a screw is connected with the output shaft of the gearbox, the other end of the screw extends into a sleeve, the sleeve is fixed at the top end of a frame, and the frame is arranged on a base of the double-screw extruder and comprises: the support plate is arranged between the gearbox and the sleeve, a through hole is formed in the support plate, the screw rod penetrates through the through hole, the diameter of the screw rod between the support plate and the sleeve is larger than that of the through hole, and the gearbox is connected with the support plate through the hydraulic cylinder. The invention aims to provide a screw pushing-out mechanism which is convenient to operate and high in working efficiency and a double-screw bulking machine with the screw pushing-out mechanism.)

1. The utility model provides a screw rod ejecting mechanism, driving motor's output is connected with the input of gearbox (5), and the output shaft of screw rod (1) one end and gearbox (5), in screw rod (1) other end extended into sleeve (2), sleeve (2) are fixed on frame (3) top, frame (3) set up on frame (4) of twin-screw bulking machine, its characterized in that includes: the novel gear box is characterized by comprising a hydraulic oil cylinder (6), a supporting plate (7) and an expansion rod (8), wherein the supporting plate (7) is arranged between the gear box (5) and the sleeve (2), a through hole (9) is formed in the supporting plate (7), the screw rod (1) penetrates through the through hole (9), the diameter of the screw rod (1) between the supporting plate (7) and the sleeve (2) is larger than that of the through hole (9), and the gear box (5) is connected with the supporting plate (7) through the hydraulic oil cylinder (6).

2. The screw rod pushing-out mechanism according to claim 1, wherein the hydraulic oil cylinder (6) is arranged on the outer wall of the gearbox (5) on the side close to the sleeve (2), and the end of a piston rod of the hydraulic oil cylinder (6) is connected with the supporting plate (7).

3. Screw ejection mechanism according to claim 1, wherein the output shaft of the gearbox (5) is connected to the screw (1) by means of a coupling (11).

4. The screw rod ejecting mechanism according to claim 1, wherein an electric cylinder (10) is disposed between the gearbox (5) and the support plate (7), a piston rod of the electric cylinder (10) faces the sleeve (2), the piston rod of the electric cylinder (10) and the screw rod (1) are located in the same longitudinal plane, an end of the piston rod of the electric cylinder (10) is fixedly connected with an expansion rod (8), a bottom end of the electric cylinder (10) is provided with a positioning adjustment mechanism, and the positioning adjustment mechanism comprises: a screw rod (12), an L-shaped moving platform (13), a rotating wheel (14) and a limiting rod (15),

a cavity (16) is arranged in the machine base (4), the cavity (16) is located between the gearbox (5) and the supporting plate (7), a lead screw (12) in the vertical direction is arranged in the cavity (16), the top end of the lead screw (12) is rotationally connected with the inner wall of the top end of the cavity (16), the bottom end of the lead screw (12) penetrates through the axis of a driven bevel gear (17) to be rotationally connected with the inner wall of the bottom end of the cavity (16), the lead screw (12) is fixedly connected with the driven bevel gear (17), a driving bevel gear (18) is arranged in the cavity (16), the driving bevel gear (18) is meshed with the driven bevel gear (17), a transmission rod (19) is arranged in the cavity (16), one end of the transmission rod (19) is connected with the driving bevel gear (18), and the other end of the transmission rod (19) extends out of the cavity (16) to be connected with the rotating wheel (14), the transmission rod (19) is connected with the base (4) in a rotating mode, an L-shaped moving platform (13) is arranged in the cavity (16), the lead screw (12) penetrates through one end of the L-shaped moving platform (13) and is in threaded connection with the L-shaped moving platform (13), the lead screw (12) is far away from one side of the rotating wheel (14) and is provided with a limiting rod (15), the limiting rod (15) penetrates through the L-shaped moving platform (13), the L-shaped moving platform (13) can move up and down along the limiting rod (15), the top end of the cavity (16) is far away from one side of the rotating wheel (14) and is provided with a first opening (20) in the horizontal direction, and the other end of the L-shaped moving platform (13) penetrates through the first opening (20) and is connected with the bottom end of the electric cylinder (10).

5. Screw ejection mechanism according to claim 4, wherein the end of the telescopic rod (8) remote from the electric cylinder (10) is detachably connected to the end of the screw (1) close to the gearbox (5).

6. A screw push-out mechanism as claimed in claim 1, further comprising a crushing agitator means, said crushing agitator means comprising: a feeding box (21), a transmission box (22), an eccentric wheel (23) and a stirring blade (24),

sleeve (2) are close to one side top of gearbox (5) is provided with feeding case (21) of vertical direction, feeding case (21) bottom with sleeve (2) intercommunication, feeding case (21) top is provided with feeder hopper (25), feeder hopper (25) bottom with feeding case (21) top intercommunication, be provided with transmission case (22) on the outer wall of feeding case (21) one side, transmission case (22) are kept away from be provided with motor (26) on one side inner wall of feeding case (21), be provided with first transmission shaft (27) in transmission case (22), the axle center that driving gear (28) was passed to first transmission shaft (27) one end with the output shaft of motor (26), first transmission shaft (27) with driving gear (28) fixed connection, first transmission shaft (27) other end passes in proper order transmission case (22), The side wall of the feeding box (21) extends into the feeding box (21), and one end of the first transmission shaft (27) extending into the feeding box (21) passes through the axis of the first roller (29) and is rotatably connected with the inner wall of one side of the feeding box (21) far away from the transmission box (22);

a second transmission shaft (30) is arranged in the transmission box (22), one end of the second transmission shaft (30) penetrates through the axis of a driven gear (31) to be connected with the axis of a first bevel gear (39), the second transmission shaft (30) is fixedly connected with the driven gear (31), the driven gear (31) is meshed with the driving gear (28), the other end of the second transmission shaft (30) sequentially penetrates through the side walls of the transmission box (22) and the feeding box (21) to extend into the feeding box (21), one end of the second transmission shaft (30) extending into the feeding box (21) penetrates through the axis of a second roller (32) to be rotatably connected with the inner wall of one side of the feeding box (21) far away from the transmission box (22), and a plurality of cutting pieces (33) are arranged on the circumferential outer walls of the first roller (29) and the second roller (32) at intervals respectively, a gathering hopper (34) is arranged in the feeding box (21), the gathering hopper (34) is positioned below the first roller (29) and the second roller (32), a first opening (35) is formed in the lower portion of one side wall of the feeding box (21), a movable plate (36) is arranged in the lower portion of the feeding box (21), one end of the movable plate (36) is in contact with the inner wall of one side, away from the first opening (35), of the feeding box (21), the other end of the movable plate (36) penetrates through the first opening (35) to be connected with a baffle (37), and a pull ring (38) is arranged on the outer wall of one side, away from the movable plate (36), of the baffle (37);

a third transmission shaft (40) in the vertical direction is arranged in the transmission box (22), the top end of the third transmission shaft (40) penetrates through the axis of a second bevel gear (41) to be rotatably connected with the inner wall of the top end of the transmission box (22), the third transmission shaft (40) is fixedly connected with the second bevel gear (41), the second bevel gear (41) can be meshed with the first bevel gear (39), the bottom end of the third transmission shaft (40) is fixedly connected with a crank (42), one end, far away from the third transmission shaft (40), of the crank (42) is rotatably connected with a first sliding block (43), a first rocker (44) is arranged in the transmission box (22), one end of the first rocker (44) is hinged with the inner wall of one side, far away from the feeding box (21), of the transmission box (22) is communicated with the feeding box (21) through a through hole (47), the other end of the first rocker (44) penetrates through the through hole (47) and extends into the feeding box (21), an axial guide groove (45) is formed in the first rocker (44), and the first sliding block (43) can reciprocate in the guide groove (45);

a second rocker (46) is arranged in the transmission case (22), one end of the second rocker (46) is hinged with the inner wall of one side of the transmission case (22) far away from the feeding case (21), the other end of the second rocker (46) passes through the through hole (47) and extends into the feeding box (21) to be rotatably connected with one end of a connecting rod (48), the other end of the connecting rod (48) is vertically connected with one end of the rotating column (49), the other end of the rotating column (49) passes through one end of the first rocker (44) far away from the crank (42) and is connected with an eccentric wheel (23), the rotating column (49) is rotationally connected with the first rocker (44), a plurality of stirring blades (24) are respectively arranged on the top end and the circumferential outer wall of the eccentric wheel (23) at intervals, the first rocker (44) and the second rocker (46) are respectively connected with the inner wall of the through hole (47) through flexible cloth;

be provided with storage case (77) on one side outer wall of feeding case (21), storage case (77) bottom is provided with conveyer pipe (78), conveyer pipe (78) bottom extends into in feeding case (21), be provided with solenoid valve (79) on conveyer pipe (78), solenoid valve (79) are located feeding case (21) are outside, solenoid valve (79) are close to be provided with normally closed switch (80) on one side outer wall of feeding case (21), normally closed switch (80) with solenoid valve (79) electric connection, normally closed switch (80) are kept away from the one end of solenoid valve (79) extends into in feeding case (21).

7. The screw ejector mechanism of claim 6, further comprising a cleaning device, said cleaning device comprising: a box body (50), a turntable (51), a rotating shaft (52) and a sweeping brush (53),

a cylindrical dustproof filter screen (54) is arranged on one side wall of the transmission case (22), the dustproof filter screen (54) is positioned in the transmission case (22), a case body (50) is arranged on the inner wall of the bottom end of the transmission case (22), a second opening (76) is arranged on one side wall, close to the dustproof filter screen (54), of the case body (50), one end, far away from the side wall of the transmission case (22), of the dustproof filter screen (54) is connected with the second opening (76), a motor (75) is arranged on the inner wall, far away from the second opening (76), of one side of the case body (50), a fourth transmission shaft (55) is arranged on an output shaft of the motor (75), a rotary disc (51) is arranged on the fourth transmission shaft (55), an annular sliding groove (56) is arranged on the outer wall, far away from the motor (75), of the rotary disc (51), and the annular sliding groove (56) comprises an arc sliding groove (56.1) and a V-shaped sliding groove (56.2), the two arc-shaped sliding chutes (56.1) are respectively arranged at two ends of the width direction of the rotating disc (51), the two V-shaped sliding chutes (56.2) are respectively arranged at two ends of the length direction of the rotating disc (51), the two arc-shaped sliding chutes (56.1) are sequentially connected with the two V-shaped sliding chutes (56.2) end to end, a cross-shaped shift lever (57) is arranged on the fourth transmission shaft (55), the cross-shaped shift lever (57) is positioned between the motor (75) and the rotating disc (51), and arc-shaped shift plates (58) are respectively arranged at two ends, close to the arc-shaped sliding chutes (56.1), of the cross-shaped shift lever (57);

a rotating drum (59) is arranged on one side of the rotating disc (51), the rotating drum (59) is respectively and rotatably connected with a fixing plate (63), two ends of the fixing plate (63) are respectively connected with the inner walls of the upper end and the lower end of the transmission case (22), two crossed sliding grooves (60) are arranged on the outer wall of one side of the rotating drum (59), the end of the cross-shaped shifting rod (57) can slide in the sliding grooves (60), circular plates (61) are respectively arranged at two ends of the rotating drum (59), the circular plates (61) are positioned between the rotating drum (59) and the fixing plate (63), grooves (62) are respectively arranged at two ends of the circular plates (61) close to the sliding grooves (60), two ends of the sliding grooves (60) are respectively communicated with the grooves (62), the arc-shaped shifting piece (58) can pass through the grooves (62), and a rotating shaft (52) is arranged in the transmission case (22), one end of the rotating shaft (52) is provided with an annular clamping groove (64), the other end of the rotating shaft (52) sequentially penetrates through the fixing plate (63), the circular plate (61) and the rotary drum (59) to be connected with the sweeper (53), two ends of the sweeper (53) are respectively and vertically connected with a brush (69), the rotating shaft (52) is connected with the rotary drum (59) through a guide key (70), the rotating shaft (52) can move along the axial direction of the rotary drum (59) and is fixed along the circumferential direction of the rotary drum (59), the rotating shaft (52) can penetrate through the second opening (76) to extend out of the box body (50), and the sweeper (53) and the brush (69) can extend into the dustproof filter screen (54) and are in contact with the circumferential inner wall and the end face inner wall of the dustproof filter screen (54);

u type cell body (65) clamp is in ring groove (64), transmission case (22) are close to be provided with fixed axle (66) on one side inner wall of U type cell body (65), fixed axle (66) are kept away from the one end of transmission case (22) is rotated and is connected with Z type pendulum rod (67), fixed axle (66) with the center pin of Z type pendulum rod (67) is rotated and is connected, Z type pendulum rod (67) one end with U type cell body (65) is kept away from the one end of pivot (52) is connected, Z type pendulum rod (67) other end is rotated and is connected with second slider (68), second slider (68) can move in annular chute (56).

8. The screw rod ejecting mechanism according to claim 6, wherein a processor (74) is arranged on an inner wall of one side of the transmission case (22), a plurality of temperature sensors (71) and pressure sensors (72) are arranged on an inner wall of the circumference of the sleeve (2), an alarm (73) is arranged on an outer wall of the base (4), and the processor (74) is electrically connected with the motor (26), the temperature sensors (71), the pressure sensors (72) and the alarm (73) respectively.

9. Screw ejector mechanism according to claim 6, wherein a side wall of the gear box (22) is provided with a box door.

10. A twin-screw expander having a screw ejecting mechanism as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of bulking machines, in particular to a screw rod pushing-out mechanism and a double-screw bulking machine with the same.

Background

The puffing machine is a device for processing puffed food, converts mechanical energy into heat energy, extrudes the food to be cooked by the heat generated when the machine rotates, and is widely applied to the fields of feed, food, industry and the like. The double-screw bulking machine is one of the multi-screw bulking machines, is developed on the basis of a single-screw bulking machine, and is called as the double-screw bulking machine because two screws are arranged in a sleeve of the double-screw bulking machine side by side. The double-screw bulking machine has the advantages of strong adaptability, slippage conveying, self-cleaning and the like, but has complex structure, high investment cost and higher corresponding maintenance and operation cost. The double-screw bulking machine is often required to disassemble the screw rod in the using and maintaining process, the traditional disassembling means is complicated, the disassembling is difficult, and the disassembling efficiency is low.

Disclosure of Invention

Therefore, the invention aims to solve the problems of complicated screw rod dismounting means, difficult dismounting and low dismounting efficiency in the prior art.

Therefore, the technical scheme adopted by the invention is that the invention provides a screw pushing-out mechanism, wherein the output end of a driving motor is connected with the input end of a gearbox, one end of a screw is connected with the output shaft of the gearbox, the other end of the screw extends into a sleeve, the sleeve is fixed at the top end of a rack, the rack is arranged on a base of a double-screw bulking machine, and the screw pushing-out mechanism comprises: the support plate is arranged between the gearbox and the sleeve, a through hole is formed in the support plate, the screw penetrates through the through hole, the diameter of the screw, which is located between the support plate and the sleeve, is larger than that of the through hole, and the gearbox is connected with the support plate through a hydraulic oil cylinder.

Preferably, the hydraulic oil cylinder is arranged on the outer wall of the gearbox close to one side of the sleeve, and the end of a piston rod of the hydraulic oil cylinder is connected with the supporting plate.

Preferably, the output shaft of the gearbox is connected with the screw rod through a coupler.

Preferably, the gearbox with be provided with the electric jar between the backup pad, the piston rod orientation of electric jar the sleeve, the piston rod of electric jar with the screw rod is located same longitudinal plane, the piston rod end fixedly connected with telescopic link of electric jar, the electric jar bottom is provided with positioning adjustment mechanism, positioning adjustment mechanism includes: a screw rod, an L-shaped mobile platform, a rotating wheel and a limiting rod,

a cavity is arranged in the machine base and is positioned between the gearbox and the supporting plate, a lead screw in the vertical direction is arranged in the cavity, the top end of the lead screw is rotationally connected with the inner wall of the top end of the cavity, the bottom end of the lead screw penetrates through the axis of a driven bevel gear and is rotationally connected with the inner wall of the bottom end of the cavity, the lead screw is fixedly connected with the driven bevel gear, a driving bevel gear is arranged in the cavity and is mutually meshed with the driven bevel gear, a transmission rod is arranged in the cavity, one end of the transmission rod is connected with the driving bevel gear, the other end of the transmission rod extends out of the cavity and is connected with a rotating wheel, the transmission rod is rotationally connected with the machine base, an L-shaped moving table is arranged in the cavity, and the lead screw penetrates through one end of the L-shaped moving table and is in threaded connection with the L-shaped moving table, the lead screw is kept away from one side of runner is provided with the gag lever post, the gag lever post passes L type mobile station, L type mobile station can along gag lever post up-and-down motion, keep away from on the cavity top one side of runner is provided with the first opening of horizontal direction, the L type mobile station other end passes first opening with the electricity jar bottom is connected.

Preferably, one end of the telescopic rod, which is far away from the electric cylinder, can be detachably connected with one end of the screw rod, which is close to the gearbox.

Preferably, the crushing and stirring device further comprises: a feeding box, a transmission box, an eccentric wheel and a stirring blade,

a feeding box in the vertical direction is arranged at the top end of one side of the sleeve close to the gearbox, the bottom end of the feeding box is communicated with the sleeve, the top end of the feeding box is provided with a feeding hopper, the bottom end of the feeding hopper is communicated with the top end of the feeding box, a transmission case is arranged on the outer wall of one side of the feeding case, a motor is arranged on the inner wall of one side of the transmission case far away from the feeding case, a first transmission shaft is arranged in the transmission case, one end of the first transmission shaft passes through the axle center of the driving gear and is connected with an output shaft of the motor, the first transmission shaft is fixedly connected with the driving gear, the other end of the first transmission shaft sequentially penetrates through the side walls of the transmission box and the feeding box to extend into the feeding box, one end of the first transmission shaft extending into the feeding box passes through the axis of the first roller and is rotatably connected with the inner wall of one side of the feeding box far away from the transmission box;

a second transmission shaft is arranged in the transmission box, one end of the second transmission shaft penetrates through the axis of a driven gear to be connected with the axis of a first bevel gear, the second transmission shaft is fixedly connected with the driven gear, the driven gear is mutually meshed with the driving gear, the other end of the second transmission shaft sequentially penetrates through the side walls of the transmission box and the feeding box to extend into the feeding box, one end of the second transmission shaft extending into the feeding box penetrates through the axis of a second roller to be rotatably connected with the inner wall of one side of the feeding box far away from the transmission box, a plurality of cutting sheets are respectively arranged on the circumferential outer walls of the first roller and the second roller at intervals, a material gathering hopper is arranged in the feeding box and is positioned below the first roller and the second roller, a first opening is arranged at the lower part of one side wall of the feeding box, and a movable plate is arranged at the lower part in the feeding box, one end of the movable plate is in contact with the inner wall of the feeding box at one side far away from the first opening, the other end of the movable plate penetrates through the first opening to be connected with a baffle, and a pull ring is arranged on the outer wall of the baffle at one side far away from the movable plate;

a third transmission shaft in the vertical direction is arranged in the transmission case, the top end of the third transmission shaft penetrates through the axis of the second bevel gear to be rotationally connected with the inner wall of the top end of the transmission case, the third transmission shaft is fixedly connected with the second bevel gear which can be meshed with the first bevel gear, the bottom end of the third transmission shaft is fixedly connected with a crank, one end of the crank, which is far away from the third transmission shaft, is rotatably connected with a first sliding block, a first rocker is arranged in the transmission box, one end of the first rocker is hinged with the inner wall of one side of the transmission box far away from the feeding box, the transmission case is communicated with the feeding case through a through hole, the other end of the first rocker passes through the through hole and extends into the feeding case, the first rocker is provided with an axial guide groove, and the first sliding block can move in the guide groove in a reciprocating manner;

a second rocker is arranged in the transmission box, one end of the second rocker is hinged with the inner wall of one side of the transmission box, which is far away from the feeding box, the other end of the second rocker penetrates through the through hole and extends into the feeding box to be rotationally connected with one end of a connecting rod, the other end of the connecting rod is vertically connected with one end of a rotating column, the other end of the rotating column penetrates through one end of the first rocker, which is far away from the crank, and is connected with an eccentric wheel, the rotating column is rotationally connected with the first rocker, a plurality of stirring blades are respectively arranged on the top end and the circumferential outer wall of the eccentric wheel at intervals, and the first rocker and the second rocker are respectively connected with the inner wall of the through hole through flexible cloth;

be provided with the storage case on one side outer wall of feeding case, storage bottom of the case portion is provided with the conveyer pipe, the conveyer pipe bottom extends into in the feeding case, be provided with the solenoid valve on the conveyer pipe, the solenoid valve is located the feeding case is outside, the solenoid valve is close to be provided with the normally closed switch on one side outer wall of feeding case, the normally closed switch with solenoid valve electric connection, the normally closed switch is kept away from the one end of solenoid valve extends into in the feeding case.

Preferably, the cleaning device further comprises a cleaning device, and the cleaning device comprises: a box body, a rotating disc, a rotating shaft and a sweeping brush,

a cylindrical dustproof filter screen is arranged on one side wall of the transmission case, the dustproof filter screen is positioned in the transmission case, a case body is arranged on the inner wall of the bottom end of the transmission case, a second opening is arranged on one side wall of the case body, which is close to the dustproof filter screen, a ring-shaped chute is arranged on the outer wall of one side of the case body, which is far away from the side wall of the transmission case, a motor is arranged on the inner wall of one side of the case body, which is far away from the second opening, a fourth transmission shaft is arranged on an output shaft of the motor, a turntable is arranged on the fourth transmission shaft, a ring-shaped chute is arranged on the outer wall of one side of the turntable, which is far away from the motor, the ring-shaped chute comprises a ring-shaped chute and a V-shaped chute, the two ring-shaped chutes are respectively arranged at two ends of the turntable in the width direction, and the two V-shaped chutes are respectively arranged at two ends of the turntable in the length direction, the two arc-shaped chutes and the two V-shaped chutes are sequentially connected end to end, a cross-shaped deflector rod is arranged on the fourth transmission shaft and is positioned between the motor and the turntable, and arc-shaped deflector plates are respectively arranged at two ends of the cross-shaped deflector rod, which are close to the arc-shaped chutes;

a rotary drum is arranged on one side of the rotary disc, the rotary drum is respectively connected with a fixed plate in a rotating way, two ends of the fixed plate are respectively connected with the inner walls of the upper end and the lower end of the transmission case, two crossed sliding grooves are arranged on the outer wall of one side of the rotary drum, the end head of the cross-shaped deflector rod can slide in the sliding grooves, two ends of the rotary drum are respectively provided with a circular plate, the circular plates are positioned between the rotary drum and the fixed plate, two ends of the circular plates, which are close to the sliding grooves, are respectively provided with a groove, two ends of the sliding grooves are respectively communicated with the grooves, the arc-shaped deflector rod can pass through the grooves, a rotary shaft is arranged in the transmission case, one end of the rotary shaft is provided with an annular clamping groove, the other end of the rotary shaft sequentially passes through the fixed plate, the circular plates, the rotary drum and the sweeping brush, two ends of the sweeping brush are respectively vertically connected with a brush, and the rotary shaft is connected with the rotary drum through a guide key, the rotating shaft can move along the axial direction of the rotating drum and is fixed along the circumferential direction of the rotating drum, the rotating shaft can penetrate through the second opening and extend out of the box body, and the sweeping brush and the hairbrush can extend into the dustproof filter screen and are in contact with the circumferential inner wall and the end face inner wall of the dustproof filter screen;

the U-shaped groove body is clamped in the annular clamping groove, a fixed shaft is arranged on the inner wall of one side, close to the U-shaped groove body, of the transmission case, one end, far away from the fixed shaft, of the transmission case is connected with a Z-shaped swing rod in a rotating mode, the fixed shaft is connected with the center shaft of the Z-shaped swing rod in a rotating mode, one end of the Z-shaped swing rod is connected with one end, far away from the rotating shaft, of the U-shaped groove body, the other end of the Z-shaped swing rod is connected with a second sliding block in a rotating mode, and the second sliding block can move in the annular sliding groove.

Preferably, be provided with the treater on one side inner wall of transmission case, be provided with a plurality of temperature sensor and pressure sensor on the telescopic circumference inner wall, be provided with the alarm on the outer wall of frame, the treater respectively with motor, temperature sensor, pressure sensor, alarm electric connection.

Preferably, a box door is arranged on one side wall of the transmission box.

The invention provides a double-screw bulking machine which is provided with the screw pushing-out mechanism.

The technical scheme of the invention has the following advantages: the invention provides a screw pushing mechanism and a double-screw extruder with the same, wherein the output end of a driving motor is connected with the input end of a gearbox, one end of a screw is connected with the output shaft of the gearbox, the other end of the screw extends into a sleeve, the sleeve is fixed at the top end of a frame, and the frame is arranged on a base of the double-screw extruder and comprises: the support plate is arranged between the gearbox and the sleeve, a through hole is formed in the support plate, the screw rod penetrates through the through hole, the diameter of the screw rod between the support plate and the sleeve is larger than that of the through hole, and the gearbox is connected with the support plate through the hydraulic cylinder. Because use hydraulic cylinder and backup pad, break away from the output shaft of screw rod and gearbox to for pushing out the screw rod on next step and improve operating space, use location adjustment mechanism to remove the electric jar to suitable position, use electric jar and telescopic link to push out the screw rod gradually, whole process is simple high-efficient, convenient operation, has improved the dismouting efficiency of screw rod, has also promoted the maintenance efficiency of double screw bulking machine, has improved the production efficiency of bulking machine.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of a positioning adjustment mechanism of the present invention;

FIG. 3 is a view showing the construction of the crushing stirring apparatus of the present invention;

FIG. 4 is a side view of the crushing stirring apparatus of the present invention;

FIG. 5 is a schematic structural diagram of a first roller and a second roller of the pulverizing and stirring apparatus according to the present invention;

FIG. 6 is a schematic view of a stirring structure of the pulverizing and stirring apparatus according to the present invention;

FIG. 7 is a view showing the construction of a cleaning apparatus according to the present invention;

FIG. 8 is a side view of the sweeping device of the present invention;

wherein, 1-screw, 2-sleeve, 3-frame, 4-frame, 5-gear box, 6-hydraulic cylinder, 7-support plate, 8-telescopic rod, 9-through hole, 10-electric cylinder, 11-coupler, 12-lead screw, 13-L type mobile station, 14-rotating wheel, 15-limit rod, 16-cavity, 17-driven bevel gear, 18-driving bevel gear, 19-transmission rod, 20-first opening, 21-feeding box, 22-transmission box, 23-eccentric wheel, 24-stirring blade, 25-feeding hopper, 26-motor, 27-first transmission shaft, 28-driving gear, 29-first roller, 30-second transmission shaft, 31-driven gear, 32-a second roller, 33-a cutting blade, 34-a gathering hopper, 35-a first opening, 36-a movable plate, 37-a baffle, 38-a pull ring, 39-a first bevel gear, 40-a third transmission shaft, 41-a second bevel gear, 42-a crank, 43-a first slider, 44-a first rocker, 45-a guide groove, 46-a second rocker, 47-a through opening, 48-a connecting rod, 49-a rotating column, 50-a box body, 51-a rotating disc, 52-a rotating shaft, 53-a sweeping brush, 54-a dustproof filter screen, 55-a fourth transmission shaft, 56-a circular chute, 56.1-an arc chute, 56.2-a V chute, 57-a cross deflector rod, 58-an arc deflector rod, 59-a rotating drum and 60-a chute, 61-round plate, 62-groove, 63-fixing plate, 64-annular clamping groove, 65-U-shaped groove body, 66-fixing shaft, 67-Z-shaped oscillating bar, 68-second sliding block, 69-hair brush, 70-guide key, 71-temperature sensor, 72-pressure sensor, 73-alarm, 74-processor, 75-motor, 76-second opening, 77-material storage box, 78-conveying pipe, 79-electromagnetic valve and 80-normally closed switch.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following description of the preferred embodiments of the present invention with reference to the accompanying drawings is provided, and it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiment of the invention provides a screw pushing-out mechanism, as shown in fig. 1, an output end of a driving motor is connected with an input end of a gearbox 5, one end of a screw 1 is connected with an output shaft of the gearbox 5, the other end of the screw 1 extends into a sleeve 2, the sleeve 2 is fixed at the top end of a frame 3, the frame 3 is arranged on a base 4 of a twin-screw bulking machine, and the screw pushing-out mechanism comprises: the gearbox is characterized by comprising a hydraulic oil cylinder 6, a supporting plate 7 and an expansion rod 8, wherein the supporting plate 7 is arranged between the gearbox 5 and the sleeve 2, a through hole 9 is formed in the supporting plate 7, the screw rod 1 penetrates through the through hole 9, the diameter of the screw rod 1 located between the supporting plate 7 and the sleeve 2 is larger than that of the through hole 9, and the gearbox 5 is connected with the supporting plate 7 through the hydraulic oil cylinder 6.

The working principle and the beneficial effects of the technical scheme are as follows: in the production process of the double-screw extruder, when the screw 1 of the double-screw extruder needs to be replaced, the hydraulic oil cylinder 6 is started, the hydraulic oil cylinder 6 pushes the support plate 7 to move in the direction away from the gearbox 5, and the screw 1 is driven to move in the direction away from the gearbox 5, so that the screw 1 is separated from the output shaft of the gearbox 5. Because use hydraulic cylinder and backup pad, break away from the output shaft of screw rod and gearbox to for pushing out the screw rod on next step and improve operating space, use location adjustment mechanism to remove the electric jar to suitable position, use electric jar and telescopic link to push out the screw rod gradually, whole process is simple high-efficient, convenient operation, has improved the dismouting efficiency of screw rod, has also promoted the maintenance efficiency of double screw bulking machine, has improved the production efficiency of bulking machine.

In one embodiment, the hydraulic oil cylinder 6 is arranged on the outer wall of the gearbox 5 close to one side of the sleeve 2, and the end of a piston rod of the hydraulic oil cylinder 6 is connected with the supporting plate 7, so that the hydraulic oil cylinder 6 pushes the screw rod 1 to move through the supporting plate 7, and the screw rod 1 is separated from an output shaft of the gearbox 5.

In one embodiment, the output shaft of the gearbox 5 is connected with the screw 1 through a coupling 11, so that the screw 1 is convenient to mount and dismount.

In one embodiment, as shown in fig. 2, an electric cylinder 10 is disposed between the transmission case 5 and the supporting plate 7, a piston rod of the electric cylinder 10 faces the sleeve 2, the piston rod of the electric cylinder 10 and the screw rod 1 are located in the same longitudinal plane, an end of the piston rod of the electric cylinder 10 is fixedly connected to an expansion rod 8, a bottom end of the electric cylinder 10 is provided with a positioning adjustment mechanism, and the positioning adjustment mechanism includes: a screw 12, an L-shaped moving platform 13, a rotating wheel 14 and a limit rod 15,

a cavity 16 is arranged in the machine base 4, the cavity 16 is positioned between the gearbox 5 and the supporting plate 7, a lead screw 12 in the vertical direction is arranged in the cavity 16, the top end of the lead screw 12 is rotatably connected with the inner wall of the top end of the cavity 16, the bottom end of the lead screw 12 penetrates through the axis of a driven bevel gear 17 to be rotatably connected with the inner wall of the bottom end of the cavity 16, the lead screw 12 is fixedly connected with the driven bevel gear 17, a driving bevel gear 18 is arranged in the cavity 16, the driving bevel gear 18 is mutually meshed with the driven bevel gear 17, a transmission rod 19 is arranged in the cavity 16, one end of the transmission rod 19 is connected with the driving bevel gear 18, the other end of the transmission rod 19 extends out of the cavity 16 to be connected with a rotating wheel 14, the transmission rod 19 is rotatably connected with the machine base 4, an L-shaped moving platform 13 is arranged in the cavity 16, and the lead screw 12 penetrates through one end of the L-shaped moving platform 13, and with L type mobile station 13 threaded connection, lead screw 12 is kept away from one side of runner 14 is provided with gag lever post 15, gag lever post 15 passes L type mobile station 13, L type mobile station 13 can along gag lever post 15 up-and-down reciprocating motion, one side that cavity 16 top was kept away from runner 14 is provided with the first opening 20 of horizontal direction, L type mobile station 13 other end passes first opening 20 with the electricity jar 10 bottom is connected.

The working principle and the beneficial effects of the technical scheme are as follows: when the hydraulic oil cylinder 6 pushes the support plate 7 to move for a certain distance, the screw 1 is separated from the output shaft of the gearbox 5, when the screw 1 needs to be pushed out continuously, the rotating wheel 14 is rotated manually, the transmission rod 19 is driven to rotate, the drive bevel gear 18 is driven to rotate, the driven bevel gear 17 is driven to rotate through gear transmission of the drive bevel gear 18 and the driven bevel gear 17, the lead screw 12 is driven to rotate, the L-shaped mobile platform 13 is driven to move up and down through thread transmission between the lead screw 12 and the L-shaped mobile platform 13, the limiting rod 15 plays a role in limiting displacement and preventing the L-shaped mobile platform 13 from rotating, the L-shaped mobile platform 13 can only move left and right along the limiting rod 15, the L-shaped mobile platform 13 drives the electric cylinder 10 to move to a required position after passing through the first opening 20 along the lead screw 12, the rotating wheel 14 stops rotating, the electric cylinder 10 does not move any more, a piston rod of the electric cylinder 10 is coaxial with the screw 1, one end of the telescopic rod 8 far away from the electric cylinder 10 is connected with the screw 1, the electric cylinder 10 is started, the telescopic rod 8 is driven to extend, the screw rod 1 is driven to move outwards, the screw rod 1 is taken down after the screw rod 1 is completely moved out of the sleeve 2, the operation is simple, and the electric cylinder 10 is safe and stable.

In one embodiment, the end of the telescopic rod 8 far away from the electric cylinder 10 can be detachably connected with the end of the screw rod 1 near the gearbox 5, so that the screw rod 1 can be detached after the electric cylinder 10 and the telescopic rod 8 push out the screw rod 1.

In one embodiment, as shown in fig. 3-6, further comprising a pulverizing agitation device comprising: a feeding box 21, a transmission box 22, an eccentric wheel 23, a stirring blade 24,

sleeve 2 is close to one side top of gearbox 5 is provided with feeding case 21 of vertical direction, feeding case 21 bottom with sleeve 2 intercommunication, feeding case 21 top is provided with feeder hopper 25, feeder hopper 25 bottom with feeding case 21 top intercommunication, be provided with transmission case 22 on the outer wall of feeding case 21 one side, transmission case 22 keeps away from be provided with motor 26 on one side inner wall of feeding case 21, be provided with first transmission shaft 27 in the transmission case 22, the axle center that driving gear 28 was passed to first transmission shaft 27 one end with motor 26's output shaft, first transmission shaft 27 with driving gear 28 fixed connection, the 27 other ends of first transmission shaft pass in proper order transmission case 22, feeding case 21's lateral wall extend into in the feeding case 21, first transmission shaft 27 extends into the axle center that first cylinder 29 was passed to one end in the feeding case 21 with feeding case 21 keeps away from transmission case 22 The inner wall of one side of the connecting rod is rotationally connected;

a second transmission shaft 30 is arranged in the transmission box 22, one end of the second transmission shaft 30 penetrates through the axis of a driven gear 31 to be connected with the axis of a first bevel gear 39, the second transmission shaft 30 is fixedly connected with the driven gear 31, the driven gear 31 is meshed with the driving gear 28, the other end of the second transmission shaft 30 sequentially penetrates through the side walls of the transmission box 22 and the feeding box 21 to extend into the feeding box 21, one end of the second transmission shaft 30 extending into the feeding box 21 penetrates through the axis of a second roller 32 to be rotatably connected with the inner wall of one side of the feeding box 21 far away from the transmission box 22, a plurality of cutting pieces 33 are respectively arranged on the circumferential outer walls of the first roller 29 and the second roller 32 at intervals, a material gathering hopper 34 is arranged in the feeding box 21, and the material gathering hopper 34 is positioned below the first roller 29 and the second roller 32, a first opening 35 is formed in the lower portion of one side wall of the feeding box 21, a movable plate 36 is arranged in the feeding box 21, one end of the movable plate 36 is in contact with the inner wall of one side of the feeding box 21 away from the first opening 35, the other end of the movable plate 36 penetrates through the first opening 35 to be connected with a baffle 37, and a pull ring 38 is arranged on the outer wall of one side of the baffle 37 away from the movable plate 36;

a third transmission shaft 40 in the vertical direction is arranged in the transmission case 22, the top end of the third transmission shaft 40 passes through the axis of a second bevel gear 41 and is rotatably connected with the inner wall of the top end of the transmission case 22, the third transmission shaft 40 is fixedly connected with the second bevel gear 41, the second bevel gear 41 can be mutually meshed with the first bevel gear 39, the bottom end of the third transmission shaft 40 is fixedly connected with a crank 42, one end of the crank 42, which is far away from the third transmission shaft 40, is rotatably connected with a first slider 43, a first rocker 44 is arranged in the transmission case 22, one end of the first rocker 44 is hinged with the inner wall of the transmission case 22, which is far away from the feeding case 21, the transmission case 22 is communicated with the feeding case 21 through a through hole 47, the other end of the first rocker 44 passes through the through hole 47 and extends into the feeding case 21, and an axial guide groove 45 is arranged on the first rocker 44, the first slider 43 is capable of reciprocating in the guide groove 45;

a second rocker 46 is arranged in the transmission box 22, one end of the second rocker 46 is hinged to the inner wall of one side of the transmission box 22, which is far away from the feeding box 21, the other end of the second rocker 46 penetrates through the through hole 47 and extends into the feeding box 21 to be rotatably connected with one end of a connecting rod 48, the other end of the connecting rod 48 is vertically connected with one end of a rotating column 49, the other end of the rotating column 49 penetrates through one end of the first rocker 44, which is far away from the crank 42, and is connected with an eccentric wheel 23, the rotating column 49 is rotatably connected with the first rocker 44, a plurality of stirring blades 24 are respectively arranged at intervals on the top end and the circumferential outer wall of the eccentric wheel 23, and the first rocker 44 and the second rocker 46 are respectively connected with the inner wall of the through hole 47 through flexible cloth;

be provided with storage case 77 on one side outer wall of feeding case 21, storage case 77 bottom is provided with conveyer pipe 78, conveyer pipe 78 bottom extends into in the feeding case 21, be provided with solenoid valve 79 on the conveyer pipe 78, solenoid valve 79 is located feeding case 21 is outside, solenoid valve 79 is close to be provided with normally closed switch 80 on one side outer wall of feeding case 21, normally closed switch 80 with solenoid valve 79 electric connection, normally closed switch 80 keeps away from solenoid valve 79's one end extends into in the feeding case 21.

The working principle and the beneficial effects of the technical scheme are as follows: in the production process of the double-screw bulking machine, when raw materials and additives are added into the double-screw bulking machine, the raw materials need to be smashed and evenly stirred, the motor 26 is started to drive the first transmission shaft 27 to rotate, the driving gear 28 is driven to rotate, the first roller 29 is driven to rotate, the second transmission shaft 30 is driven to rotate through gear meshing transmission between the driving gear 28 and the driven gear 31, the second roller 32 is driven to rotate, the first roller 29 and the second roller 32 rotate simultaneously in opposite directions, the cutting blades 33 on the first roller 29 and the second roller 32 cut and smash the raw materials entering the feeding box 21 along the feeding hopper 25, the cut and smashed raw materials enter the lower part of the feeding box 21 along the gathering hopper 34, the second transmission shaft 30 rotates to drive the first bevel gear 39 to rotate, the second bevel gear 41 is driven to rotate through gear meshing transmission between the first bevel gear 39 and the second bevel gear 41, the third transmission shaft 40 is driven to rotate, the crank 42 is driven to rotate, the first sliding block 43 moves in the guide groove 45 in a reciprocating manner, the first rocker 44 is driven to swing in a reciprocating manner, when the first rocker 44 swings in the forward direction, the first rocker 44 collides with the normally closed switch 80, the normally closed switch 80 controls the electromagnetic valve 79 to be opened, so that the additive in the storage tank 77 enters the feeding tank 21 along the conveying pipe 78 and is mixed with the raw materials in the feeding tank 21, when the first rocker 44 swings in the reverse direction, the normally closed switch 80 is released by the first rocker 44, the electromagnetic valve 79 is closed, the additive in the storage tank 77 does not enter the feeding tank 21 any more, the storage tank 77 feeds the materials into the feeding tank 21 intermittently, the first rocker 44, the connecting rod 48, the second rocker 46 and the side wall of the transmission box 22 form a double-rocker mechanism, the first rocker 44 drives the second rocker 46 to swing in a reciprocating manner through the connecting rod 48, so that the connecting rod 48 rotates the eccentric wheel 23, the stirring blades 24 are driven to rotate, the raw materials are subjected to secondary crushing, the raw materials and the additives are fully stirred, the crushed raw materials and the additives are uniformly mixed, after the crushed raw materials are accumulated by a certain amount, the pull ring 38 is manually pulled, the movable plate 36 is pulled out, the raw materials enter the sleeve 2, and when production is stopped, the movable plate 36 is restored to the original position, and sundries are prevented from entering the sleeve 2.

In one embodiment, as shown in fig. 7-8, further comprising a sweeping device comprising: a box body 50, a turntable 51, a rotating shaft 52 and a sweeper 53,

a cylindrical dustproof filter screen 54 is arranged on one side wall of the transmission case 22, the dustproof filter screen 54 is positioned in the transmission case 22, a case body 50 is arranged on the inner wall of the bottom end of the transmission case 22, a second opening 76 is arranged on one side wall, close to the dustproof filter screen 54, of the case body 50, one end, far away from the side wall of the transmission case 22, of the dustproof filter screen 54 is connected with the second opening 76, a motor 75 is arranged on the inner wall, far away from the second opening 76, of one side of the case body 50, a fourth transmission shaft 55 is arranged on an output shaft of the motor 75, a turntable 51 is arranged on the fourth transmission shaft 55, an annular sliding groove 56 is arranged on the outer wall, far away from the motor 75, of one side of the turntable 51, the annular sliding groove 56 comprises an arc sliding groove 56.1 and a V sliding groove 56.2, and the two arc sliding grooves 56.1 are respectively arranged at two ends of the turntable 51 in the width direction, the two V-shaped chutes 56.2 are respectively arranged at two ends of the length direction of the turntable 51, the two arc-shaped chutes 56.1 and the two V-shaped chutes 56.2 are sequentially connected end to end, a cross-shaped shift lever 57 is arranged on the fourth transmission shaft 55, the cross-shaped shift lever 57 is located between the motor 75 and the turntable 51, and arc-shaped shift pieces 58 are respectively arranged at two ends of the cross-shaped shift lever 57 close to the arc-shaped chutes 56.1;

a rotating drum 59 is arranged on one side of the rotating disc 51, the rotating drum 59 is respectively and rotatably connected with a fixed plate 63, two ends of the fixed plate 63 are respectively connected with inner walls of upper and lower ends of the transmission case 22, two intersecting sliding grooves 60 are arranged on an outer wall of one side of the rotating drum 59, an end of the cross-shaped shift lever 57 can slide in the sliding grooves 60, circular plates 61 are respectively arranged at two ends of the rotating drum 59, the circular plates 61 are positioned between the rotating drum 59 and the fixed plate 63, grooves 62 are respectively arranged at two ends of the circular plates 61 close to the sliding grooves 60, two ends of the sliding grooves 60 are respectively communicated with the grooves 62, the arc-shaped shift plate 58 can pass through the grooves 62, a rotating shaft 52 is arranged in the transmission case 22, an annular clamping groove 64 is arranged at one end of the rotating shaft 52, and the other end of the rotating shaft 52 sequentially passes through the fixed plate 63, the circular plates 61, the rotating drum 59 and is connected with a sweeping brush 53, two ends of the sweeper 53 are respectively and vertically connected with a brush 69, the rotating shaft 52 is connected with the rotating drum 59 through a guide key 70, the rotating shaft 52 can move along the axial direction of the rotating drum 59 and is fixed along the circumferential direction of the rotating drum 59, the rotating shaft 52 can penetrate through the second opening 76 and extend out of the box body 50, and the sweeper 53 and the brush 69 can extend into the dustproof filter screen 54 and contact with the circumferential inner wall and the end face inner wall of the dustproof filter screen 54;

the U-shaped groove body 65 is clamped in the annular clamping groove 64, a fixing shaft 66 is arranged on the inner wall of one side, close to the U-shaped groove body 65, of the transmission case 22, one end, far away from the transmission case 22, of the fixing shaft 66 is rotatably connected with a Z-shaped swing rod 67, the fixing shaft 66 is rotatably connected with a central shaft of the Z-shaped swing rod 67, one end of the Z-shaped swing rod 67 is connected with one end, far away from the rotating shaft 52, of the U-shaped groove body 65, the other end of the Z-shaped swing rod 67 is rotatably connected with a second sliding block 68, and the second sliding block 68 can move in the annular sliding groove 56.

The working principle and the beneficial effects of the technical scheme are as follows: in the production process of the double-screw bulking machine, the transmission case 22 is connected with the case body 50 through the dustproof filter screen 54, the dustproof filter screen 54 is used for preventing mechanisms in the transmission case 22 and the case body 50 from being polluted, a large amount of dust can be accumulated after the dustproof filter screen 54 is used for a period of time, the dustproof effect is weakened, the dustproof filter screen 54 needs to be cleaned, the motor 75 is started, the fourth transmission shaft 55 is driven to rotate, the rotating disc 51 is driven to rotate, the second sliding block 68 moves in the annular sliding groove 56, when the second sliding block 68 moves in the first V-shaped sliding groove 56.2, the Z-shaped swing rod 67 swings around the fixed shaft 66 in a reciprocating mode, the U-shaped groove 65 is clamped in the annular clamping groove 64, the U-shaped groove 65 drives the rotating shaft 52 to move backwards and then moves forwards, meanwhile, the arc-shaped shifting piece 58 penetrates through the groove 62 in the circular plate 61, and the rotating drum 59 cannot rotate; when the second slide block 68 moves in the first arc-shaped sliding groove 56.1, the rotating cylinder 59 is positioned at the forefront and cannot move axially, and one shifting block of the cross-shaped shifting rod 57 moves in one sliding groove 60 to drive the rotating cylinder 59 to rotate 180 degrees and drive the rotating shaft 52 to rotate 180 degrees; when the second slide block 68 moves in the second arc chute 56.1, the other shifting block of the cross shifting lever 57 moves in the other intersecting chute 60, the two chutes 60 are opposite in direction, and drive the rotary drum 59 and the rotary shaft 52 to rotate 180 degrees in reverse, so that the moving states of the sweeper 53 and the brush 69 are firstly moving forward, then rotating 180 degrees, sweeping the dustproof filter screen 54, then moving backward, then moving forward, then rotating 180 degrees in reverse, sweeping the dustproof filter screen 54 for a second time, and finally moving backward to recover the original position, and the intermittent reciprocating forward and reverse rotation of the sweeper 53 and the brush 69 can improve the air circulation speed, improve the heat dissipation efficiency of the dustproof filter screen 54, and the sweeping device is convenient and efficient to sweep and has little influence on the dustproof filter screen 54.

In one embodiment, a processor 74 is disposed on an inner wall of one side of the transmission case 22, a plurality of temperature sensors 71 and pressure sensors 72 are disposed on an inner wall of the circumference of the sleeve 2, an alarm 73 is disposed on an outer wall of the base 4, and the processor 74 is electrically connected to the motor 26, the temperature sensors 71, the pressure sensors 72, and the alarm 73, respectively.

The working principle and the beneficial effects of the technical scheme are as follows: in the production process of the double-screw bulking machine, the temperature sensor 71 and the pressure sensor 72 are respectively used for monitoring the temperature and the pressure in the sleeve 2, when the temperature or the pressure in the sleeve 2 exceeds a specified calibration cone, the processor 74 closes the motor 26, the raw materials are stopped being added to the bulking machine, the alarm 73 is started, the staff is reminded to process the materials before, and the production safety is guaranteed.

In one embodiment, a door is disposed on a side wall of the transmission case 22 to facilitate maintenance of the mechanism inside the transmission case 22.

The embodiment of the invention provides a double-screw bulking machine which is provided with the screw pushing-out mechanism, the double-screw bulking machine is uniform and stable in feeding, the whole machine is programmed by adopting a PLC (programmable logic controller), a double-shaft differential conditioning machine is used, the conditioning and curing effects are excellent, the adopted bulking main machine can maximize the mechanical kneading energy, the double-screw bulking machine is provided with a vacuum exhaust system, various special aquatic feeds can be produced, a mold seat and a cutter can be quickly disassembled and replaced, the cutter is more convenient to adjust, the mold replacing time is reduced when products of different specifications are produced, and the production operation is more convenient.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.