CN112497509B

CN112497509B - Concrete dosing equipment is with lower hopper

Info

Publication number: CN112497509B
Application number: CN202011282948.2A
Authority: CN
Inventors: 陈春荣
Original assignee: Shanghai Fuji Cement Products Co ltd
Current assignee: Shanghai Fuji Cement Products Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2022-02-22
Anticipated expiration: 2040-11-17
Also published as: CN112497509A

Abstract

The utility model relates to a concrete dosing equipment is with lower hopper, including the hopper body, the discharge gate department integrated into one piece of hopper body has the broken storehouse that is linked together with the hopper body, be provided with in the broken storehouse and be used for the broken subassembly of grit, be provided with the drive assembly who is used for driving the reciprocal lateral shifting of broken subassembly on the outer end wall in broken storehouse, the discharge gate department that the outer end wall of hopper body and be located the hopper body passes through mounting bracket fixedly connected with vibration subassembly, vibration subassembly and drive assembly set up relatively. This application has the condition emergence that the jam appears in effectual reduction hopper body to guarantee that the follow-up weighing work of this equipment normally goes on, improve the work efficiency's of this equipment effect.

Description

Concrete dosing equipment is with lower hopper

Technical Field

The application relates to the technical field of concrete batching equipment, in particular to a blanking hopper for concrete batching equipment.

Background

At present, the concrete proportioning machine is used for various materials such as: the automatic equipment for quantitatively distributing the gravels is mainly applied to the concrete construction industry to replace manual platform scales or volume metering and other modes, has the characteristics of high metering precision, high distribution efficiency, high automation degree and the like, and is one of the main parts in complete equipment of a full-automatic concrete mixing plant.

The current chinese patent that publication number is CN205167234U discloses a concrete proportioning machine, and it includes the frame, sets up the feed bin on frame upper portion, sets up the weighing hopper in the feed bin below to and set up the batching conveyer belt in the weighing hopper below, the concrete proportioning machine carries out the during operation, and the grit that the workman will weigh drops into the feed bin, and the grit in the feed bin gets into the batching hopper and weighs, drops to the batching conveyer belt after weighing the completion and transports away.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the workman puts in the grit in toward the feed bin, the grit is too big or once only put in too much and cause the jam in the feed bin bottom easily, influences follow-up work of weighing.

Disclosure of Invention

The condition emergence of jam appears in order effectual reduction hopper body to guarantee that the follow-up weighing work of concrete batching equipment normally goes on, improve the work efficiency of this equipment, this application provides a hopper under concrete batching equipment uses.

The application provides a concrete batching equipment adopts following technical scheme with lower hopper:

the utility model provides a concrete dosing equipment is with hopper down, includes the hopper body, the discharge gate department integrated into one piece of hopper body has the broken storehouse that is linked together with the hopper body, be provided with in the broken storehouse and be used for the broken subassembly of grit, be provided with the drive assembly who is used for driving the reciprocal lateral shifting of broken subassembly on the outer end wall in broken storehouse, the discharge gate department that the outer end wall of hopper body and be located the hopper body passes through mounting bracket fixedly connected with vibration subassembly, vibration subassembly and drive assembly set up relatively.

Through adopting above-mentioned technical scheme, the grit enters into the hopper from the feed inlet of hopper body originally internally, because the in-process that blocks up the hopper body appears in the great appearance of volume when the grit, start the vibration subassembly, the effectual grit that will block up on the hopper body of vibration subassembly shakes off broken storehouse, then start drive arrangement, drive arrangement drives broken subassembly and carries out the breakage to the grit that gets into in broken storehouse, the condition that blocks up appears in the effectual reduction hopper body takes place, thereby guarantee that the follow-up weighing work of concrete dosing equipment normally goes on, improve the work efficiency of this equipment.

Optionally, broken subassembly is including setting up in broken storehouse and relative both ends respectively with the connecting rod of the inner endwall fixed connection in broken storehouse and the quartering hammer that the cover was located on the connecting rod and can be followed the length direction of connecting rod and slided, one side fixedly connected with fixed block of quartering hammer, horizontal sliding hole has been seted up with the corresponding one side in fixed block position in broken storehouse, the one end that the quartering hammer was kept away from to the fixed block passes sliding hole and extends to outside the broken storehouse, the one end that the fixed block extended to outside the broken storehouse is connected with drive assembly.

Through adopting above-mentioned technical scheme, drive assembly drives the reciprocating sliding of quartering hammer along the length direction of connecting rod to make the quartering hammer play the effect of broken grit.

Optionally, the driving assembly includes a first driving member mounted on the outer end wall of the crushing bin through a support bracket, a rotary table fixedly connected with an output shaft of the first driving member, a connecting block arranged on the end face of the rotary table far away from the first driving member and capable of being adjusted radially, and a connecting shaft rotatably connected with the connecting block and the fixing block at two opposite ends respectively.

Through adopting above-mentioned technical scheme, first driving piece drive carousel is rotatory, and rotatory carousel drives connecting block circular motion to under the connection effect of connecting axle, the connecting block drives quartering hammer reciprocating motion, in order to reach the purpose of broken grit.

Optionally, the carousel is kept away from and is offered the adjustment tank that radially extends by the edge of carousel to the centre of a circle of carousel on the terminal surface of first driving piece, the connecting axle was kept away from to the connecting block one end fixedly connected with and the adjustment tank assorted regulating block, the regulating block slides through the adjustment tank and is connected with the carousel, still be provided with on the regulating block adjacent with the connecting block and be used for locking the regulating block in the locking piece on the carousel.

Through adopting above-mentioned technical scheme, the setting of regulating block and adjustment tank is used for adjusting the stroke of quartering hammer to the broken scope of quartering hammer has been improved.

Optionally, the vibration assembly comprises an installation shell installed on one side of the installation frame far away from the hopper body, a second driving piece arranged on the installation shell, a rotating cylinder, a connecting seat and a transmission rod which are arranged in the installation shell, the second driving piece is installed on a bearing surface of the installation frame, an output shaft of the second driving piece penetrates through the bearing surface of the installation frame and the end surface of the installation shell and extends into the installation shell to be fixedly connected with the end part of the rotating cylinder, a wavy and coherent fold-back groove is formed in the outer peripheral surface of the rotating cylinder, the connecting seat comprises a connecting disc arranged in the installation shell and two arc-shaped plates arranged at the edge of the connecting disc far away from one end of the hopper body, the two arc-shaped plates are symmetrically arranged on the connecting disc, columnar blocks are arranged on the inner arc sides of the two arc-shaped plates, one ends of the columnar blocks far away from the arc-shaped plates are extended into the fold-back groove and connected with the fold-back groove in a sliding manner, one end of the transmission rod is fixedly connected with the end face, far away from the arc-shaped plate, of the connecting disc, and the other end of the transmission rod penetrates through one end, far away from the second driving piece, of the mounting shell and is abutted to the outer wall of the hopper body.

Through adopting above-mentioned technical scheme, at the in-process that the second driving piece started, the second driving piece drive rotates a section of thick bamboo and rotates, under the mating reaction of folding back groove and column piece to make the connection pad promote the reciprocal hopper body of beating of transfer line, thereby help shaking the grit that blocks up in the hopper body and fall broken storehouse and carry out the breakage.

Optionally, a guide groove is formed in the outer peripheral surface of the transmission rod, the guide groove extends along the length direction of the transmission rod, a guide block matched with the guide groove is arranged at the joint of the installation shell and the transmission rod, and the transmission rod is connected with the guide block in a sliding mode through the guide groove.

Through adopting above-mentioned technical scheme, the setting of guide block and guide way provides the effect of direction for the removal of transfer line.

Optionally, the mounting bracket includes two fixed connection in the outer end wall of hopper body and is located the telescopic link of the discharge gate department of hopper body and sets up in the loading board that the hopper body one end was kept away from to the telescopic link, two the telescopic link is parallel to each other, the loading board is close to one side both ends of hopper body and keeps away from the one end fixed connection of hopper body with two telescopic links respectively, the second driving piece is installed in one side that the hopper body was kept away from to the loading board, the installation shell sets up between two telescopic links.

By adopting the technical scheme, the mounting frame is used for supporting and fixing the vibrating component, so that the vibrating component can beat the hopper body at a better position.

Optionally, the telescopic link includes nested first telescopic link and second telescopic link each other, the one end that nested department was kept away from to first telescopic link is close to one side fixed connection of hopper body with the loading board, nested department's one end and hopper body fixed connection are kept away from to the second telescopic link, the both sides of first telescopic link all are equipped with the bar mouth along vertical direction, be fixed with the regulation pole on the outer peripheral face of second telescopic link, it passes first telescopic link through the bar mouth to adjust the pole, the equal threaded connection in both ends of adjusting the pole has the nut.

Through adopting above-mentioned technical scheme, under the cooperative action of adjusting pole, nut and bar mouth, be used for the locking to the telescopic link of adjusting the good length of length to make beating of transfer line form and to adjust the position of preferred.

Optionally, the two opposite ends of the breaking hammer are provided with second breaking teeth, and the inner end wall of the breaking bin is provided with first breaking teeth corresponding to the second breaking teeth.

Through adopting above-mentioned technical scheme, the broken of grit is favorable to more in the setting of first broken tooth and the broken tooth of second.

Optionally, the vertical section of the breaking hammer is isosceles trapezoid, the vertical section of the breaking bin is also isosceles trapezoid with a narrow top and a wide bottom, the sectional area of the breaking bin is larger than that of the breaking hammer, the second breaking teeth are uniformly distributed on the inclined plane of the breaking hammer, and the first breaking teeth are uniformly distributed on the inclined plane of the inner wall of the breaking bin.

Through adopting above-mentioned technical scheme, the isosceles trapezoid design of broken storehouse and quartering hammer is favorable to being located the crushing of the grit between quartering hammer and the broken storehouse more.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the gravel enters the hopper body from the feed inlet of the hopper body, when the gravel blocks the hopper body due to large volume, the vibration assembly is started, the vibration assembly effectively shakes off the gravel blocked on the hopper body to the crushing bin, then the driving device is started, the driving device drives the crushing assembly to crush the gravel entering the crushing bin, and the occurrence of blockage of the hopper body is effectively reduced, so that the normal operation of the subsequent weighing work of the concrete batching equipment is ensured, and the working efficiency of the equipment is improved;

2. the first driving piece drives the rotary table to rotate, and the rotary table drives the connecting block to do circular motion, so that under the connecting action of the connecting shaft, the connecting block drives the breaking hammer to do reciprocating motion, and the aim of breaking gravel is fulfilled;

3. at the in-process that the second driving piece started, the second driving piece drive rotated a section of thick bamboo and rotates, under the mating action of folding back groove and column piece to make the connection pad promote the reciprocal hopper body of beating of transfer line, thereby help shaking the grit that blocks up in the hopper body and fall broken storehouse and carry out the breakage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic sectional structure view of fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 1.

Fig. 5 is a schematic view of an exploded structure of the mount and vibration assembly of the present application.

Fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

Description of reference numerals: 1. a hopper body; 2. a crushing bin; 21. a first crushing tooth; 22. a sliding hole; 23. a fixed block; 3. a crushing assembly; 31. a connecting rod; 32. a breaking hammer; 321. a second crushing tooth; 4. a drive assembly; 41. a first driving member; 42. a turntable; 421. an adjustment groove; 422. an adjusting block; 423. a locking member; 43. connecting blocks; 44. a connecting shaft; 5. a mounting frame; 51. a carrier plate; 52. a telescopic rod; 521. a first telescopic rod; 5211. a strip-shaped opening; 522. a second telescopic rod; 5221. adjusting a rod; 5222. a nut; 6. a vibrating assembly; 61. mounting a shell; 611. a guide block; 62. a second driving member; 63. a rotating cylinder; 631. a folding groove; 64. a connecting seat; 641. a connecting disc; 642. an arc-shaped plate; 643. a columnar block; 65. a transmission rod; 651. a guide groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses concrete dosing equipment is with hopper down. Referring to fig. 1 and 2, a discharging hopper for concrete batching equipment comprises a hopper body 1 and a crushing bin 2, wherein the hopper body 1 is funnel-shaped, and the crushing bin 2 is integrally formed at a discharge port of the hopper body 1 and is communicated with the hopper body 1; be provided with broken subassembly 3 in broken storehouse 2, be provided with drive assembly 4 of being connected with broken subassembly 3 on the outer end wall in broken storehouse 2, be provided with vibration subassembly 6 on the hopper body 1, vibration subassembly 6 installs in the outer end wall of hopper body 1 and is located the discharge gate department of hopper body 1 through mounting bracket 5.

Referring to fig. 1 and 2, the breaking assembly 3 comprises a connecting rod 31 and a breaking hammer 32; the two opposite ends of the connecting rod 31 are respectively fixedly connected with the two inner end walls of the crushing bin 2, the crushing hammer 32 is sleeved on the connecting rod 31, the crushing hammer 32 is movably connected with the connecting rod 31, and the crushing hammer 32 can slide back and forth along the length direction of the connecting rod 31 under the action of the driving assembly 4.

Referring to fig. 2, the vertical section of the crushing bin 2 is in an isosceles trapezoid shape with a narrow top and a wide bottom, the vertical section of the crushing hammer 32 is also in an isosceles trapezoid shape with a wide top and a narrow bottom, and the sectional area of the crushing bin 2 is larger than that of the crushing hammer 32; the two inclined planes of the breaking hammer 32 are both fixedly connected with second breaking teeth 321, the second breaking teeth 321 are uniformly distributed on the inclined planes of the breaking hammer 32, the inner walls of the two inclined planes of the breaking bin 2 are both fixedly connected with first breaking teeth 21, and the first breaking teeth 21 are uniformly distributed on the inner walls of the inclined planes of the breaking bin 2; the second crushing tooth 321 corresponds in position to the adjacent first crushing tooth 21. Therefore, in the process that the driving assembly 4 drives the breaking hammer 32 to extend the length direction of the connecting rod 31 to slide back and forth, the sand with large volume between the breaking bin 2 and the breaking hammer 32 becomes sand with small volume under the impact of the breaking hammer 32, and meanwhile, the second breaking teeth 321 and the first breaking teeth 21 are arranged to be beneficial to the breaking of the sand.

Referring to fig. 1 and 3, the driving assembly 4 includes a first driving member 41, a turntable 42, a connecting block 43, and a connecting shaft 44; in this embodiment, the first driving member 41 is a servo motor, a horizontally disposed supporting plate is fixed to an outer end wall of the crushing bin 2 opposite to the vibrating assembly 6 by welding, the servo motor is installed on a bearing surface of the supporting plate, an output shaft of the servo motor is fixedly connected to a circle center of the rotating disc 42, and the connecting block 43 is disposed on an end surface of the rotating disc 42 away from the servo motor. One side of the breaking hammer 32 (see fig. 2) is fixedly connected with a fixed block 23, one side of the breaking bin 2 corresponding to the position of the fixed block 23 is provided with a transverse sliding hole 22, and one end, far away from the breaking hammer 32 (see fig. 2), of the fixed block 23 penetrates through the sliding hole 22 and extends out of the breaking bin 2; opposite ends of the connecting shaft 44 are respectively sleeved on the fixing block 23 and the connecting block 43, and the fixing block 23 and the connecting block 43 are rotatably connected with the connecting shaft 44 through bearings (not shown in the figure).

Therefore, the servo motor is started, the servo motor drives the rotary disc 42 to rotate, the rotary disc 42 drives the connecting block 43 to rotate along the circumferential direction of the rotary disc 42, under the connecting action of the connecting shaft 44, the connecting block 43 drives the breaking hammer 32 (see fig. 2) to slide in a reciprocating mode along the length direction of the connecting rod 31 through the fixing block 23, and then the breaking hammer 32 (see fig. 2) breaks gravels with large volume in the moving process.

Referring to fig. 2 and 3, in order to adjust the moving stroke of the breaking hammer 32, so that the breaking capacity of the breaking hammer 32 can be adjusted, an adjusting groove 421 is formed in the end surface of the rotary table 42 away from the servo motor, the adjusting groove 421 extends from the edge of the rotary table 42 to the center of the rotary table 42, the adjusting groove 421 is in a dovetail shape, an adjusting block 422 is fixedly connected to one end of the connecting block 43 away from the connecting shaft 44, the adjusting block 422 is also in the dovetail shape, the adjusting block 422 is matched with the adjusting groove 421, and the adjusting block 422 is connected with the rotary table 42 in a sliding manner through the adjusting groove 421. Meanwhile, in order to lock the adjusting block 422 with the adjusted position, a locking member 423 adjacent to the connecting block 43 is disposed on the adjusting block 422, and in this embodiment, the locking member 423 is a bolt, and the bolt penetrates through the adjusting block 422 to be in threaded connection with the rotary table 42.

Referring to fig. 4 and 5, the mounting frame 5 is U-shaped and opens toward the hopper body 1, and the mounting frame 5 includes a bearing plate 51 and two telescopic rods 52 arranged in parallel; the same ends of the two telescopic rods 52 are respectively fixedly connected with two ends of one side of the bearing plate 51, and one end of the telescopic rod 52 far away from the bearing plate 51 is fixedly connected to the outer end wall of the hopper body 1 and is located at the discharge outlet of the hopper body 1. The vibration assembly 6 is mounted on the bearing plate 51, and the telescopic end of the vibration assembly 6 passes through the bearing plate 51 and abuts against the outer end wall of the hopper body 1. Each telescopic rod 52 comprises a first telescopic rod 521 fixedly connected to the bearing plate 51 and a second telescopic rod 522 nested in the first telescopic rod 521 and fixedly connected to the hopper body 1, strip-shaped openings 5211 are formed in two sides of the first telescopic rod 521 along the vertical direction, an adjusting rod 5221 penetrating through the strip-shaped openings 5211 is fixed on the outer peripheral surface of the second telescopic rod 522, and nuts 5222 are screwed at two ends of the adjusting rod 5221. Therefore, the second expansion link 522 is nested in the first expansion link 521, the adjusting rod 5221 slides along the length direction of the strip-shaped opening 5211, and then the nut 5222 is screwed on the adjusting rod 5221, so that the second expansion link 522 is fixed in the first expansion link 521, the distance between the bearing plate 51 and the hopper body 1 is adjusted, and the effect of adjusting the stroke of the vibrating assembly 6 is achieved.

Referring to fig. 5 and 6, the vibration assembly 6 includes a mounting shell 61 fixedly connected to one side of the loading plate 51 close to the hopper body 1 and located in front of the two telescopic rods 52, a second driving member 62 arranged on the mounting shell 61, and a rotating cylinder 63, a connecting seat 64 and a transmission rod 65 arranged in the mounting shell 61; the mounting shell 61 is a cylindrical hollow shell, in this embodiment, the second driving member 62 is a motor, the motor is mounted on one side of the bearing plate 51 far away from the mounting shell 61, an output shaft of the motor passes through the bearing plate 51 and the mounting shell 61 to be fixedly connected with an end of the rotating cylinder 63, a folding groove 631 is formed in the outer peripheral surface of the rotating cylinder 63, the folding groove 631 continuously extends along the length direction of the rotating cylinder 63, and the folding groove 631 is wavy; the connecting seat 64 includes a connecting disc 641 disposed in the mounting shell 61 and two arc plates 642 symmetrically disposed on one end of the connecting disc 641 close to the loading plate 51, the same ends of the two arc plates 642 are fixedly connected with the edge of the end face of the connecting disc 641, and the arc openings of the two arc plates 642 are disposed opposite to each other; the inner arc sides of the two arc plates 642 and the ends of the arc plates 642 far away from the connecting disc 641 are fixedly connected with the columnar blocks 643, and the ends of the columnar blocks 643 far away from the arc plates 642 extend into the folding grooves 631 and are connected with the folding grooves 631 in a sliding manner.

Referring to fig. 5 and 6, the transmission rod 65 is coaxially disposed with the connection plate 641, one end of the transmission rod 65 is fixedly connected to the end surface of the connection plate 641 close to the hopper body 1, and one end of the transmission rod 65 far from the connection plate 641 passes through the mounting shell 61 to abut against the outer end wall of the hopper body 1. Meanwhile, in order to provide a guiding function for the movement of the transmission rod 65, a guide groove 651 extending along the length direction of the transmission rod 65 is formed in the outer peripheral surface of the transmission rod 65, a guide block 611 corresponding to the position of the guide groove 651 is fixedly connected to the joint of the mounting shell 61 and the transmission rod 65, and the transmission rod 65 is connected with the guide block 611 in a sliding manner through the guide groove 651. From this, starter motor, motor drive rotate a section of thick bamboo 63 and rotate, and the extending direction that column piece 643 extended folding back groove 631 this moment slides to rotatory a section of thick bamboo 63 drives arc 642 along the length direction reciprocating motion of installation shell 61, and then the connection pad 641 of removal drives the outer end wall of the beat hopper body 1 of transfer line 65 intermittent type nature, finally reaches the effect that constantly vibrates hopper body 1 in order to shake the grit in the hopper body 1 down to broken storehouse 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete dosing equipment is with hopper down which characterized in that: the automatic sand-gravel crushing device comprises a hopper body (1), wherein a crushing bin (2) communicated with the hopper body (1) is integrally formed at a discharge outlet of the hopper body (1), a crushing assembly (3) for crushing sand is arranged in the crushing bin (2), a driving assembly (4) for driving the crushing assembly (3) to reciprocate and move transversely is arranged on an outer end wall of the crushing bin (2), a vibration assembly (6) is fixedly connected to the outer end wall of the hopper body (1) and is positioned at the discharge outlet of the hopper body (1) through a mounting frame (5), and the vibration assembly (6) and the driving assembly (4) are arranged oppositely; the crushing assembly (3) comprises a connecting rod (31) which is arranged in the crushing bin (2), two opposite ends of the connecting rod are fixedly connected with the inner end wall of the crushing bin (2) respectively, and a crushing hammer (32) which is sleeved on the connecting rod (31) and can slide along the length direction of the connecting rod (31), one side of the crushing hammer (32) is fixedly connected with a fixed block (23), one side of the crushing bin (2) corresponding to the fixed block (23) is provided with a transverse sliding hole (22), one end, far away from the crushing hammer (32), of the fixed block (23) penetrates through the sliding hole (22) and extends out of the crushing bin (2), and one end, extending out of the crushing bin (2), of the fixed block (23) is connected with the driving assembly (4); the driving assembly (4) comprises a first driving piece (41) arranged on the outer end wall of the crushing bin (2) through a support bracket, a rotary disc (42) fixedly connected with an output shaft of the first driving piece (41), a connecting block (43) which is arranged on the end face, far away from the first driving piece (41), of the rotary disc (42) and can be adjusted in the radial direction, and a connecting shaft (44) of which the opposite two ends are respectively and rotatably connected with the connecting block (43) and the fixed block (23); an adjusting groove (421) radially extending from the edge of the rotary disc (42) to the circle center of the rotary disc (42) is formed in the end face, away from the first driving piece (41), of the rotary disc (42), an adjusting block (422) matched with the adjusting groove (421) is fixedly connected to one end, away from the connecting shaft (44), of the connecting block (43), the adjusting block (422) is connected with the rotary disc (42) in a sliding mode through the adjusting groove (421), and a locking piece (423) which is adjacent to the connecting block (43) and used for locking the adjusting block (422) on the rotary disc (42) is further arranged on the adjusting block (422); the vibration component (6) comprises an installation shell (61) installed on one side of the installation shell (5) far away from the hopper body (1), a second driving piece (62) arranged on the installation shell (61), and a rotating cylinder (63), a connecting seat (64) and a transmission rod (65) arranged in the installation shell (61), wherein the second driving piece (62) is installed on a bearing surface of the installation shell (5), an output shaft of the second driving piece (62) penetrates through the bearing surface of the installation shell (5) and the end surface of the installation shell (61) to extend into the installation shell (61) and be fixedly connected with the end part of the rotating cylinder (63), a wavy and coherent folding and returning groove (631) is formed in the peripheral surface of the rotating cylinder (63), the connecting seat (64) comprises a connecting disc (641) arranged in the installation shell (61) and two arc-shaped plates (642) arranged on the connecting disc (641) far away from one end edge of the hopper body (1), the two arc plates (642) are symmetrically arranged on the connecting disc (641), the inner arc sides of the two arc plates (642) are respectively provided with a columnar block (643), one end, far away from the arc plate (642) where the columnar block (643 is located, of the columnar block (643) extends into the folding and returning groove (631) and is connected with the folding and returning groove (631) in a sliding mode, one end of the transmission rod (65) is fixedly connected with the end face, far away from the arc plate (642), of the connecting disc (641), and the other end of the transmission rod penetrates through one end, far away from the second driving piece (62), of the mounting shell (61) and abuts against the outer wall of the hopper body (1); the mounting frame (5) comprises two telescopic rods (52) fixedly connected to the outer end wall of the hopper body (1) and located at the discharge outlet of the hopper body (1) and a bearing plate (51) arranged at one end, far away from the hopper body (1), of each telescopic rod (52), the two telescopic rods (52) are parallel to each other, two ends of one side, close to the hopper body (1), of the bearing plate (51) are fixedly connected with one ends, far away from the hopper body (1), of the two telescopic rods (52), respectively, the second driving piece (62) is arranged at one side, far away from the hopper body (1), of the bearing plate (51), and the mounting shell (61) is arranged between the two telescopic rods (52); the telescopic rod (52) comprises a first telescopic rod (521) and a second telescopic rod (522) which are mutually nested, one end, far away from the nesting, of the first telescopic rod (521) is fixedly connected with one side, close to the hopper body (1), of the bearing plate (51), one end, far away from the nesting, of the second telescopic rod (522) is fixedly connected with the hopper body (1), strip-shaped openings (5211) are formed in the two sides of the first telescopic rod (521) along the vertical direction, an adjusting rod (5221) is fixed on the outer peripheral surface of the second telescopic rod (522), the adjusting rod (5221) penetrates through the first telescopic rod (521) through the strip-shaped openings (5211), and nuts (5222) are in threaded connection with the two ends of the adjusting rod (5221); the vertical section of the breaking hammer (32) is isosceles trapezoid, and the vertical section of the breaking bin (2) is isosceles trapezoid with a narrow upper part and a wide lower part.

2. The discharge hopper for a concrete batching plant according to claim 1, characterized in that: the outer circumferential surface of the transmission rod (65) is provided with a guide groove (651), the guide groove (651) extends along the length direction of the transmission rod (65), a guide block (611) matched with the guide groove (651) is arranged at the joint of the mounting shell (61) and the transmission rod (65), and the transmission rod (65) is connected with the guide block (611) in a sliding mode through the guide groove (651).

3. The hopper as claimed in claim 2, wherein: and the two opposite ends of the breaking hammer (32) are respectively provided with a second breaking tooth (321), and the inner end wall of the breaking bin (2) is provided with a first breaking tooth (21) corresponding to the second breaking tooth (321).

4. The hopper as claimed in claim 3, wherein: the sectional area of the crushing bin (2) is larger than that of the crushing hammer (32), the second crushing teeth (321) are uniformly distributed on the inclined plane of the crushing hammer (32), and the first crushing teeth (21) are uniformly distributed on the inclined plane of the inner wall of the crushing bin (2).