CN111424154A

CN111424154A - Heating furnace capable of discharging materials quantitatively

Info

Publication number: CN111424154A
Application number: CN202010397621.3A
Authority: CN
Inventors: 励红; 范本龙
Original assignee: Zhejiang Sanji Steel Tube Co ltd
Current assignee: Zhejiang Sanji Steel Tube Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-07-17
Anticipated expiration: 2040-05-12
Also published as: CN111424154B

Abstract

The invention discloses a heating furnace capable of discharging materials quantitatively, which comprises a heating furnace, a discharging device arranged on one side of the heating furnace, an anti-adhesion device arranged on the discharging device, and a feeding device arranged on the upper part of the discharging device, wherein the feeding device comprises a feeding pipe and a discharging pipe; the discharging device comprises a shell, a telescopic bottom plate arranged on the heating furnace, a rotating block arranged on the telescopic bottom plate, a first telescopic rod arranged on the shell and a connecting rod used for connecting the first telescopic rod and the rotating block; the telescopic bottom plate can rotate relative to the heating furnace, and the rotating block can rotate relative to the connecting rod. The invention avoids the blockage generated during the bar adding and can adjust the time interval between the bar preheating and the discharging.

Description

Heating furnace capable of discharging materials quantitatively

Technical Field

The invention belongs to the field of heating furnaces, and particularly relates to a heating furnace capable of discharging materials quantitatively.

Background

Need put into the heating furnace in the time of the steel bar heat treatment and heat the back, take out again and cool off, but current heating furnace when adding new steel bar, causes the condition that the bar blockked up heating furnace entrance easily, also can't make certain control to the preheating time and the blowing time of steel bar simultaneously to steel bar adds man-hour in the heating furnace because preheating time is not enough and lead to the processing effect unsatisfactory.

Disclosure of Invention

The invention provides a heating furnace capable of discharging materials quantitatively, which overcomes the defects of the prior art, avoids blockage generated during bar material addition and can adjust the time interval between bar material preheating and discharging.

In order to achieve the purpose, the invention adopts the following technical scheme: a heating furnace capable of discharging materials quantitatively comprises a heating furnace, a discharging device arranged on one side of the heating furnace, an anti-adhesion device arranged on the discharging device, and a feeding device arranged on the upper part of the discharging device; the discharging device comprises a shell, a telescopic bottom plate arranged on the heating furnace, a rotating block arranged on the telescopic bottom plate, a first telescopic rod arranged on the shell and a connecting rod used for connecting the first telescopic rod and the rotating block; the telescopic bottom plate can rotate relative to the heating furnace, and the rotating block can rotate relative to the connecting rod.

According to the invention, through the arrangement of the telescopic bottom plate, when the steel bar materials are placed in the shell, the steel bar materials are firstly stored on the telescopic bottom plate for preliminary preheating, when the steel bar materials in the heating furnace are treated and the steel bar materials on the telescopic bottom plate are preheated, the first telescopic rod is extended to drive the connecting rod and the rotating block to move upwards, and then the rotating block drives one end of the telescopic bottom plate to move upwards, so that the telescopic bottom plate is in an inclined state and rolls the steel bar materials on the telescopic bottom plate down into the heating furnace along the inclined angle of the telescopic bottom plate for processing, the telescopic bottom plate can control the specific time for new steel bar materials to enter the heating furnace and the preheating time on the telescopic bottom plate, the situation that the steel bar materials enter the heating furnace under the condition of incomplete preheating is avoided, the effect of treating the steel bar materials is increased, and meanwhile, hot gas in the heating furnace can leave most of the hot gas in the shell through the shielding of the shell, reducing the heat emission and increasing the preheating effect of the steel bar.

The anti-adhesion device comprises two transmission assemblies and pushing assemblies arranged on the two transmission assemblies; the transmission assembly comprises a first gear arranged on the telescopic bottom plate, a rack arranged on one side of the shell, a transmission wheel arranged on the telescopic bottom plate, a second gear arranged on the telescopic bottom plate, a third gear arranged on the telescopic bottom plate, and a transmission belt sleeved on the transmission wheel and the third gear; the pushing assembly comprises two through grooves arranged on the telescopic bottom plate, a first rotating rod arranged on two second gears in the two transmission assemblies, a second rotating rod arranged on two third gears in the two transmission assemblies, a plurality of first pushing plates respectively arranged on the first rotating rod and the second rotating rod, and a plurality of second pushing plates respectively arranged on two sides of the first rotating rod and the second rotating rod; the first gear can rotate relative to the telescopic bottom plate, the first gear and the rack are arranged in a matched mode, the rack can rotate relative to the shell, a torsion spring is arranged in the rack, one end of the torsion spring is connected to the rack, the other end of the torsion spring is connected to the shell, the transmission wheel can rotate relative to the telescopic bottom plate, the second gear can rotate relative to the telescopic bottom plate, the third gear can rotate relative to the telescopic bottom plate, the transmission belt and the first gear are arranged in a matched mode, and the two transmission assemblies are identical in structure and symmetrically arranged; the first rotating rod can rotate relative to the telescopic bottom plate, the second rotating rod can rotate relative to the telescopic bottom plate, the first pushing plates are arranged at the central positions in the length directions of the first rotating rod and the second rotating rod, the plurality of first pushing plates are uniformly distributed along the circumferential directions of the first rotating rod and the second rotating rod, the second pushing plates are of an inclined structure, the plurality of second pushing plates arranged on two sides of the first rotating rod incline to one side of the first pushing plates, the inclination angles of the second pushing plates on two sides are opposite, the plurality of second pushing plates arranged on two sides of the second rotating rod incline to one side of the first pushing plates, and the inclination angles of the second pushing plates on two sides are opposite; through the arrangement of the first gear and the rack, when one end of the telescopic bottom plate moves upwards under the driving of the first telescopic rod, the first gear can be meshed with the rack, so that the first gear rotates in the process of ascending of one end of the telescopic bottom plate, then the first gear drives the transmission belt to rotate, and further the second gear and the third gear are driven to rotate through the transmission belt, so that the first rotating roller and the second rotating roller rotate under the driving of the second gear and the third gear, when the first rotating roller and the second rotating roller rotate, the first pushing plate and the second pushing plate can synchronously rotate along with the first rotating roller and the second rotating roller, and the steel bar material is pushed in the rotating process of the first pushing plate and the second pushing plate, thereby avoiding the condition that the steel bar material cannot roll down into the heating furnace from the telescopic bottom plate due to adhesion between the steel bar material and the shell or the telescopic bottom plate when the steel bar material is preheated on the telescopic bottom plate, the condition that the feeding position at one side of the heating furnace is blocked due to the fact that the steel bar cannot roll down into the heating furnace is avoided, the maintenance cost of equipment is reduced, and the stability of the steel bar during discharging is improved; through the setting of second slurcam for the bar steel material of one end adhesion on the casing can promote the bar steel material through the slope position of second slurcam under the slope structure setting of second slurcam, makes the second slurcam can stimulate the bar steel material when promoting the bar steel material simultaneously, has increased the promotion effect of second slurcam to the bar steel material, has avoided the bar steel material to adhere the unable landing condition on the casing.

The pushing assembly further comprises a plurality of pushing blocks which are respectively arranged on the second pushing plates; the plurality of pushing blocks are uniformly distributed along the length direction of the second pushing plate, and one side of each pushing block is of an arc-shaped structure; through the setting that promotes the piece, when the second catch plate promoted the steel bar material, can reduce the area of contact between second catch plate and the steel bar material through a plurality of catch blocks, the condition of adhesion has been avoided the second catch plate when promoting the steel bar material and the contact department of steel bar material to appear, simultaneously through the convex structure that promotes piece one side, make when promoting the piece and contacting the steel bar material, can detain on the surface of steel bar material through convex structure, the promotion effect of promotion piece to the steel bar material has been increased, the condition that promotes the piece and can't promote the steel bar material has been avoided, simultaneously through the setting of a plurality of catch blocks, when the one end of steel bar material contacts the catch block, can block the one end of steel bar through the interval department between a plurality of catch blocks, the effect when having increased a plurality of catch blocks and promote steel bar material one end and promote.

The anti-adhesion device also comprises two closing components arranged on two sides of the telescopic bottom plate; the closing assembly comprises a lifting groove arranged on the telescopic bottom plate, a closing plate arranged on the lifting groove, a stop block arranged on the closing plate, a second telescopic rod used for connecting the stop block and the closing plate, a first elastic piece sleeved on the second telescopic rod, a limiting groove arranged on the shell, a groove arranged on the limiting groove and a convex block arranged on the rack; the stop block can move relative to the closing plate, one end of the first elastic piece is connected to the closing plate, the other end of the first elastic piece is connected to the stop block, the rack can rotate relative to the limiting groove, and the groove and the bump are arranged in a matched mode; through the arrangement of the stop block, when the telescopic bottom plate is located at the initial position, the stop block can abut against the rack in the limiting groove, so that the rack is prevented from being contacted with the first gear, the condition that adhesion occurs on the surface between the rack and the first gear due to long-time contact between the rack and the first gear is further avoided, and the condition that the first gear cannot rotate relative to the rack due to the fact that sundries brought in during feeding of steel bars are clamped between the rack and the first gear is also avoided; through the setting of recess and lug, after flexible bottom plate one end rebound, the dog can break away from the fixed position to the rack, make the rack rotate to the position with first gear engaged with under the drive of torsional spring, simultaneously after the rack rotates and accomplishes, can carry on spacingly through lug and recess to the rack, when making rack and first gear engaged with, the condition to the spacing inslot internal rotation can not appear, stability when having increased first gear and rack intermeshing, when flexible bottom plate resets downwards afterwards, continue to promote the rack to the spacing inslot through the dog and fix, the synchronism between flexible bottom plate and the rack has been increased, the condition of interference has appeared between flexible bottom plate and the rack has been avoided, the maintenance cost of equipment has been reduced.

The anti-adhesion device also comprises a first rotating baffle arranged at one end of the telescopic bottom plate, a second rotating baffle arranged at the other end of the telescopic bottom plate, and a plurality of round balls arranged on the first rotating baffle; the first rotating baffle can rotate relative to one end of the telescopic bottom plate, the second rotating baffle can rotate relative to the other end of the telescopic bottom plate, the first rotating baffle can rotate relative to the second rotating baffle, and the plurality of beads are uniformly distributed along the length direction of the first rotating baffle; through the arrangement of the first rotating baffle and the second rotating baffle, when the telescopic bottom plate is at the initial position, the first rotating baffle and the second rotating baffle can block the steel bars on the telescopic bottom plate, the situation that the steel bars roll into the heating furnace without being completely preheated is avoided, when one end of the telescopic bottom plate moves upwards, the total length of the telescopic bottom plate can be increased, the first rotating baffle and the second rotating baffle are further paved, the blocking of the steel bars is relieved, the steel bars can roll into the heating furnace along the telescopic bottom plate, the situation that the first rotating baffle and the second rotating baffle interfere with the steel bars is avoided, and the discharge control of equipment on the steel bars is increased; through the setting of a plurality of balls, when the steel bar material is blockked by first rotation baffle and preheat, can reduce area of contact between steel bar material and the first rotation baffle through a plurality of balls, and then avoided the steel bar material to appear the condition of adhesion between preheating stage and the first rotation baffle.

The feeding device comprises a feeding shell arranged on the shell, a rotating cover plate arranged on one side of the feeding shell, a third rotating rod arranged on the shell, a plurality of expansion plates arranged on the third rotating rod, a plurality of second elastic pieces respectively used for connecting the third rotating roller and the expansion plates, and a plurality of arc-shaped plates respectively arranged at one ends of the expansion plates; the rotary cover plate can rotate relative to the feeding shell, the plurality of expansion plates are uniformly distributed along the circumferential direction of a third rotary rod, and a motor is connected to the outside of the third rotary rod; through the setting of expansion plate, after the steel bar material pushed open the rotating cover board and fell into on the expansion plate, starter motor drove the third and rotates the rod and rotate, and then drive the expansion plate and rotate, and carry out the pivoted in-process at the expansion plate and put into flexible bottom plate with the steel bar material on, make and to place an amount of steel bar material between two adjacent expansion plates, and can keep apart the steel bar material each other through a plurality of expansion plates, the disposable condition of putting into too much steel bar material has been avoided, the quantitative control effect of feed arrangement to the steel bar material feeding has been increased.

The feeding device also comprises a moving groove arranged on the shell, a moving block arranged on the moving groove, a connecting line used for connecting the moving groove and the moving block, a buckle arranged at one end of the arc-shaped plate and a hook arranged at one end of the moving block; the moving block can move relative to the moving groove, a coil spring is arranged in the shell, one end of the connecting wire is connected to the coil spring, and the buckle and the hook are arranged in a matched mode; through the arrangement of the buckle and the hook, when the expansion plate rotates under the driving of the third rotating roller and discharges the steel bar, the buckle can contact with the hook and drive the hook and the moving block to move downwards while the expansion plate continues to rotate, and simultaneously, when the moving block moves downwards and the buckle and the hook are not separated from each other, one end of the expansion plate can be driven and pull the expansion plate to extend, so that the expansion plate can extend synchronously while rotating, and the steel bar is guided and buffered through the extended expansion plate, thereby avoiding the serious abrasion of the expansion base plate caused by the long-time use of the expansion base plate due to the fact that the steel bar falls onto the expansion base plate from the expansion plate, reducing the maintenance cost of the equipment, when the expansion plate rotates to a certain angle, the hook and the buckle can be separated from each other, so that the expansion plate and the moving block can be reset under the driving of the second elastic piece and the connecting wire respectively, and wait for the steel bar material of next batch to carry out the feeding, buffering effect when having increased the steel bar material feeding has improved the life of equipment.

In summary, the invention has the following advantages: the blockage generated during the bar adding is avoided, and the time interval between the bar preheating and the discharging can be adjusted.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention.

Fig. 4 is a partial enlarged view of the invention at a in fig. 3.

Fig. 5 is a partial enlarged view of the invention at B in fig. 3.

Fig. 6 is a partial enlarged view of the invention at C in fig. 3.

Fig. 7 is a partial enlarged view of the invention at D in fig. 3.

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention.

Fig. 9 is a partial enlarged view of fig. 8 of the present invention.

Fig. 10 is an enlarged view of a portion of fig. 9 of the present invention.

FIG. 11 is a schematic view of the first rotatable roller of the present invention.

Fig. 12 is a partial enlarged view of fig. 11 of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

As shown in fig. 1-12, a heating furnace capable of discharging materials quantitatively comprises a heating furnace 1, a discharging device 2 arranged at one side of the heating furnace, an anti-adhesion device 3 arranged on the discharging device, and a feeding device 4 arranged at the upper part of the discharging device; the heating furnace is the prior art and is not described in detail herein.

The emptying device 2 comprises a shell 21, a telescopic bottom plate 22, a rotating block 23, a first telescopic rod 24 and a connecting rod 25; the telescopic bottom plate 22 is arranged on the heating furnace, the rotating block 23 is arranged on the telescopic bottom plate, the first telescopic rod 24 is arranged on the shell, and the connecting rod 25 is used for connecting the first telescopic rod and the rotating block; the telescopic bottom plate can rotate relative to the heating furnace, and the rotating block can rotate relative to the connecting rod; the first telescopic rod is an air rod driven by an air pump.

The anti-adhesion device 3 comprises two transmission components, a pushing component arranged on the two transmission components, two closing components, a first rotating baffle 311, a second rotating baffle 312 and a plurality of balls 313; the transmission assembly comprises a first gear 31, a rack 32, a transmission wheel 33, a second gear 34, a third gear 35 and a transmission belt 36; the first gear 31 is arranged on the telescopic bottom plate 22, the rack 32 is arranged on one side of the shell, the transmission wheel 33 is arranged on the telescopic bottom plate, the second gear 34 is arranged on the telescopic bottom plate, the third gear 35 is arranged on the telescopic bottom plate, and the transmission belt 36 is sleeved on the transmission wheel and the third gear; the pushing assembly comprises two through grooves 37, a first rotating roller 38, a second rotating roller 39, a plurality of first pushing plates 30, a plurality of second pushing plates 301 and a plurality of pushing blocks 302; the two through grooves 37 are arranged on the telescopic bottom plate 22, the first rotating stick 38 is arranged on two second gears in the two transmission assemblies, the second rotating stick 39 is arranged on two third gears in the two transmission assemblies, the plurality of first push plates 30 are respectively arranged on the first rotating stick and the second rotating stick, and the plurality of second push plates 301 are respectively arranged on two sides of the first rotating stick and the second rotating stick; the first gear can rotate relative to the telescopic bottom plate, the first gear and the rack can be meshed with each other, the rack can rotate relative to the shell, a torsion spring is arranged in the rack, one end of the torsion spring is connected to the rack, the other end of the torsion spring is connected to the shell, the transmission wheel can rotate relative to the telescopic bottom plate, the second gear can rotate relative to the telescopic bottom plate, the third gear can rotate relative to the telescopic bottom plate, the transmission belt and the first gear can be meshed with each other, and the two transmission assemblies are identical in structure and symmetrically arranged; the first rotating rod can rotate relative to the telescopic bottom plate, the second rotating rod can rotate relative to the telescopic bottom plate, the first pushing plates are arranged at the central positions in the length direction of the first rotating rod and the second rotating rod, the plurality of first pushing plates are uniformly distributed along the circumferential direction of the first rotating rod and the second rotating rod, the second pushing plates are of an inclined structure, the plurality of second pushing plates arranged on two sides of the first rotating rod incline to one side of the first pushing plates, the inclination angles of the second pushing plates on two sides are opposite, the plurality of second pushing plates arranged on two sides of the second rotating rod incline to one side of the first pushing plates, the inclination angles of the second pushing plates on two sides are opposite, and the transmission belt is a chain; the plurality of pushing blocks 302 are respectively arranged on the plurality of second pushing plates 301, the plurality of pushing blocks are uniformly distributed along the length direction of the second pushing plates, and one side of each pushing block is of an arc-shaped structure; the two closing components are arranged on two sides of the telescopic bottom plate 22 and comprise a lifting groove 303, a closing plate 304, a stop block 305, a second telescopic rod 306, a first elastic piece 307, a limiting groove 308, a groove 309 and a bump 310; the lifting groove 303 is arranged on the telescopic bottom plate 22, the closing plate 304 is arranged on the lifting groove, the stop block 305 is arranged on the closing plate, the second telescopic rod 306 is used for connecting the stop block and the closing plate, the first elastic piece 307 is sleeved on the second telescopic rod, the limiting groove 308 is arranged on the shell, the groove 309 is arranged on the limiting groove, and the bump 310 is arranged on the rack; the stop block can move relative to the closing plate, one end of the first elastic piece is connected to the closing plate, the other end of the first elastic piece is connected to the stop block, the rack can rotate relative to the limiting groove, the protruding block can be buckled in the groove, the two closing components are identical in structure and symmetrically arranged, and the first elastic piece is a high-temperature-resistant spring; the first rotating baffle 311 is arranged at one end of the telescopic bottom plate 22, the second rotating baffle 312 is arranged at the other end of the telescopic bottom plate, and the plurality of balls 313 are arranged on the first rotating baffle; the first rotating baffle can rotate relative to one end of the telescopic bottom plate, the second rotating baffle can rotate relative to the other end of the telescopic bottom plate, the first rotating baffle can rotate relative to the second rotating baffle, and the plurality of balls are uniformly distributed along the length direction of the first rotating baffle.

The feeding device 4 comprises a feeding shell 41, a rotating cover plate 42, a third rotating roller 43, a plurality of expansion plates 44, a plurality of second elastic pieces 45, a plurality of arc-shaped plates 46, a moving groove 47, a moving block 48, a connecting line 49, a buckle 40 and a hook 401; the feeding shell 41 is arranged on the shell 21, the rotating cover plate 42 is arranged on one side of the feeding shell, the third rotating roller 43 is arranged on the shell, the plurality of expansion plates 44 are arranged on the third rotating roller, the plurality of second elastic pieces 45 are respectively used for connecting the third rotating roller and the plurality of expansion plates, and the plurality of arc-shaped plates 46 are respectively arranged at one ends of the plurality of expansion plates; the rotary cover plate can rotate relative to the feeding shell, the plurality of expansion plates are uniformly distributed along the circumferential direction of a third rotary rod, a motor is connected to the outside of the third rotary rod, and the second elastic piece is a high-temperature-resistant spring; the moving groove 47 is arranged on the shell 21, the moving block 48 is arranged on the moving groove, the connecting wire 49 is used for connecting the moving groove and the moving block, the buckle 40 is arranged at one end of the arc-shaped plate, and the hook 401 is arranged at one end of the moving block; the moving block can move relative to the moving groove, a coil spring is arranged in the shell, one end of the connecting wire is connected to the coil spring, and the buckle can be buckled on the hook; the connecting wire is made of high-temperature-resistant materials.

The specific working principle is as follows: after the steel bar pushes away the rotating cover plate 42 and falls onto the telescopic plate 44, the starting motor drives the third rotating rod 43 to rotate, so as to drive the telescopic plate 44 to rotate, and the steel bar is put on the telescopic bottom plate 22 in the process of rotating the telescopic plate 44, so that a certain amount of steel bar can be placed between two adjacent telescopic plates 44, and the steel bars can be isolated from each other through the plurality of telescopic plates 44; after the steel bar materials are put into the shell 21, the steel bar materials are firstly stored on the telescopic bottom plate 22 for preliminary preheating, after the steel bar materials in the heating furnace are processed and the steel bar materials on the telescopic bottom plate 22 are preheated, the first telescopic rod 24 is extended to drive the connecting rod 25 and the rotating block 23 to move upwards, and then the rotating block 23 drives one end of the telescopic bottom plate 22 to move upwards, so that the telescopic bottom plate 22 is in an inclined state and rolls the steel bar materials on the telescopic bottom plate 22 down into the heating furnace 1 along the inclined angle of the telescopic bottom plate 22 for processing, and the telescopic bottom plate 22 can control the specific time when new steel bar materials enter the heating furnace 1 and the preheating time on the telescopic bottom plate 22; meanwhile, when one end of the telescopic bottom plate 22 moves upwards under the driving of the first telescopic rod 24, the first gear 31 and the rack 32 are engaged with each other, so that the first gear 31 rotates during the process of raising one end of the telescopic bottom plate 22, and then the first gear 31 drives the transmission belt 36 to rotate, and the second gear 34 and the third gear 35 are rotated by the transmission belt 36, so that the first rotary roller 38 and the second rotary roller 39 are rotated by the second gear 34 and the third gear 35, when the first rotating roller 38 and the second rotating roller 39 rotate, the first pushing plate 30 and the second pushing plate 301 rotate synchronously therewith, and promote the steel bar material at first catch plate 30 and second catch plate 301 pivoted in-process, avoided the steel bar material to produce the adhesion with casing 21 or telescopic bottom plate 22 when preheating on telescopic bottom plate 22.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all 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.

Claims

1. A heating furnace capable of discharging materials quantitatively comprises a heating furnace (1), a discharging device (2) arranged on one side of the heating furnace, an anti-adhesion device (3) arranged on the discharging device, and a feeding device (4) arranged on the upper part of the discharging device; the method is characterized in that: the discharging device (2) comprises a shell (21), a telescopic bottom plate (22) arranged on the heating furnace, a rotating block (23) arranged on the telescopic bottom plate, a first telescopic rod (24) arranged on the shell, and a connecting rod (25) used for connecting the first telescopic rod and the rotating block; the telescopic bottom plate (22) can rotate relative to the heating furnace (1), and the rotating block (23) can rotate relative to the connecting rod (25).

2. The quantitatively emptying heating furnace as set forth in claim 1, wherein: the anti-adhesion device (3) comprises two transmission assemblies and pushing assemblies arranged on the two transmission assemblies; the transmission assembly comprises a first gear (31) arranged on the telescopic bottom plate (22), a rack (32) arranged on one side of the shell, a transmission wheel (33) arranged on the telescopic bottom plate, a second gear (34) arranged on the telescopic bottom plate, a third gear (35) arranged on the telescopic bottom plate, and a transmission belt (36) sleeved on the transmission wheel and the third gear; the pushing assembly comprises two through grooves (37) arranged on the telescopic bottom plate (22), a first rotating rod (38) arranged on two second gears in the two transmission assemblies, a second rotating rod (39) arranged on two third gears in the two transmission assemblies, a plurality of first pushing plates (30) respectively arranged on the first rotating rod and the second rotating rod, and a plurality of second pushing plates (301) respectively arranged on two sides of the first rotating rod and the second rotating rod; the first gear (31) can rotate relative to the telescopic bottom plate (22), the first gear (31) and the rack (32) are arranged in a matched mode, the rack (32) can rotate relative to the shell (21), a torsion spring is arranged in the rack (32), one end of the torsion spring is connected to the rack (32), the other end of the torsion spring is connected to the shell (21), the transmission wheel (33) can rotate relative to the telescopic bottom plate (22), the second gear (34) can rotate relative to the telescopic bottom plate (22), the third gear (35) can rotate relative to the telescopic bottom plate (22), the transmission belt (36) and the first gear (31) are arranged in a matched mode, and the two transmission assemblies are identical in structure and are symmetrically arranged; the first rotatable roller (38) is rotatable relative to the telescopic base plate (22), the second rotating roller (39) can rotate relative to the telescopic bottom plate (22), the first pushing plate (30) is arranged at the central position of the first rotating roller (38) and the second rotating roller (39) in the length direction, the plurality of first pushing plates (30) are uniformly distributed along the circumferential direction of the first rotating roller (38) and the second rotating roller (39), the second pushing plates (301) are of an inclined structure, the second pushing plates (301) arranged on two sides of the first rotating stick (38) incline towards one side of the first pushing plate (30) and the inclination angles of the second pushing plates (301) on two sides are opposite, the second pushing plates (301) arranged on the two sides of the second rotating stick (39) incline towards one side of the first pushing plate (30), and the inclination angles of the second pushing plates (301) on the two sides are opposite.

3. The quantitatively emptying heating furnace as set forth in claim 2, wherein: the pushing assembly further comprises a plurality of pushing blocks (302) which are respectively arranged on the second pushing plates (301); the plurality of pushing blocks (302) are uniformly distributed along the length direction of the second pushing plate (301), and one side of each pushing block (302) is of an arc-shaped structure.

4. The quantitatively emptying heating furnace as set forth in claim 2, wherein: the anti-adhesion device (3) also comprises two closing components arranged on two sides of the telescopic bottom plate (22); the closing assembly comprises a lifting groove (303) arranged on the telescopic bottom plate (22), a closing plate (304) arranged on the lifting groove, a stop block (305) arranged on the closing plate, a second telescopic rod (306) used for connecting the stop block and the closing plate, a first elastic piece (307) sleeved on the second telescopic rod, a limiting groove (308) arranged on the shell, a groove (309) arranged on the limiting groove and a lug (310) arranged on the rack; the stop block (305) can move relative to the closing plate (304), one end of the first elastic piece (307) is connected to the closing plate (304), the other end of the first elastic piece (307) is connected to the stop block (305), the rack (32) can rotate relative to the limiting groove (308), the groove (309) and the projection (310) are arranged in a matched mode, and the two closing assemblies are identical in structure and symmetrically arranged.

5. The quantitatively emptying heating furnace as set forth in claim 1, wherein: the anti-adhesion device (3) further comprises a first rotating baffle (311) arranged at one end of the telescopic bottom plate (22), a second rotating baffle (312) arranged at the other end of the telescopic bottom plate, and a plurality of round beads (313) arranged on the first rotating baffle; first baffle (311) of rotating can for the one end of flexible bottom plate (22) is rotated, second baffle (312) of rotating can for the other end of flexible bottom plate (22) is rotated, first baffle (311) of rotating can for second baffle (312) of rotating rotates, a plurality of beads (313) are evenly distributed along the length direction of first baffle (311) of rotating.

6. The quantitatively emptying heating furnace as set forth in claim 1, wherein: the feeding device (4) comprises a feeding shell (41) arranged on the shell (21), a rotating cover plate (42) arranged on one side of the feeding shell, a third rotating rod (43) arranged on the shell, a plurality of expansion plates (44) arranged on the third rotating rod, a plurality of second elastic pieces (45) respectively used for connecting the third rotating rod and the expansion plates, and a plurality of arc-shaped plates (46) respectively arranged at one ends of the expansion plates; the rotary cover plate (42) can rotate relative to the feeding shell (41), the plurality of expansion plates (44) are uniformly distributed along the circumferential direction of the third rotary rod (43), and the third rotary rod (43) is externally connected with a motor.

7. The quantitatively emptying heating furnace as set forth in claim 6, wherein: the feeding device (4) further comprises a moving groove (47) arranged on the shell (21), a moving block (48) arranged on the moving groove, a connecting line (49) used for connecting the moving groove and the moving block, a buckle (40) arranged at one end of the arc-shaped plate and a hook (401) arranged at one end of the moving block; the moving block (48) can move relative to the moving groove (47), a coil spring is arranged in the shell (21), one end of the connecting wire (49) is connected to the coil spring, and the buckle (40) and the hook (401) are arranged in a matched mode.