CN216373461U

CN216373461U - Dry process granulator convenient to dismouting is washd

Info

Publication number: CN216373461U
Application number: CN202121808984.8U
Authority: CN
Inventors: 李春燕; 陈建兵
Original assignee: Jiangsu Guolang Machinery Manufacturing Co ltd
Current assignee: Jiangsu Guolang Machinery Manufacturing Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-04-26
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to a dry granulator convenient to disassemble, assemble and clean.A top box is arranged on the upper surface of a bottom box; reinforcing rods are horizontally arranged on the front, rear, left and right inner side walls of the bottom box; the inner side walls of the reinforcing rods positioned at the left end and the right end are horizontally provided with a cross beam; a partition plate is horizontally arranged between the bottom box and the top box; the upper surface of the top box is vertically provided with a feeding mechanism in a penetrating way; the upper end surface of the feeding mechanism is provided with a feeding mechanism; the upper surface of the clapboard is provided with a tabletting mechanism through a screw rod; the feed inlet of the tablet pressing mechanism is positioned right below the discharge outlet of the feeding mechanism; the lower bottom surface of the clapboard is provided with a crushing and granulating mechanism through a screw; the feed inlet of the crushing and granulating mechanism is positioned right below the discharge outlet of the tabletting mechanism; the utility model can provide the dry granulator which can produce dry powder particles in large batch, has strong practicability and definite work division of each process of equipment and has good controllability and is convenient to disassemble, assemble and clean.

Description

Dry process granulator convenient to dismouting is washd

Technical Field

The utility model belongs to the technical field related to mechanical equipment, and particularly relates to a dry granulator convenient to disassemble, assemble and clean.

Background

A dry granulating machine is a mechanical device suitable for mass production of dry powder particles, and according to the principle of a mechanical extrusion granulating process, a prepared dry powder or fine crystal raw material with certain crystal water is extruded into a sheet, and then the sheet is made into particles with required size through a granulating system and a screen; the raw materials can be added into the hopper through a manual or vacuum feeding machine, the raw materials are conveyed and compressed through the vertically arranged feeding screw, the raw materials are pushed to the biting angle of the two extrusion rollers, the raw materials are extruded into sheets through the horizontally arranged compression rollers (the speed of the compression rollers determines the stay time of the materials in the rolling area), the pressure required by the materials is linearly transmitted to the compression rollers through the hydraulic device, and the consistency of the material density can be ensured through the vertically arranged compression rollers. Most of equipment in the industry is manufactured by adopting a closed installation process, so that the equipment is inconvenient to assemble and disassemble, and if parts in the equipment are damaged, the equipment is inconvenient to maintain; the equipment production efficiency in the industry is low, and the batch production effect is not good, so that the production and manufacturing of the subsequent process can be influenced, and the economic expenditure of a factory is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dry granulator which can produce dry powder particles in large batch, has strong practicability and definite work division of each process of equipment, is convenient to disassemble, assemble and clean.

In order to achieve the purpose, the utility model provides the following technical scheme: a dry granulator convenient to disassemble, assemble and clean comprises a bottom box, a top box, a feeding mechanism, a tabletting mechanism and a crushing and granulating mechanism; the top box is arranged on the upper surface of the bottom box; reinforcing rods are horizontally arranged on the front inner side wall, the rear inner side wall, the left inner side wall and the right inner side wall of the bottom box; the inner side walls of the reinforcing rods positioned at the left end and the right end are horizontally provided with a cross beam; a partition plate is horizontally arranged between the bottom box and the top box; the upper surface of the top box is vertically provided with a feeding mechanism in a penetrating way; the upper end surface of the feeding mechanism is provided with a feeding mechanism; the upper surface of the clapboard is provided with a tabletting mechanism through a screw rod; the feed inlet of the tablet pressing mechanism is positioned right below the discharge outlet of the feeding mechanism; the lower bottom surface of the partition board is provided with a crushing and granulating mechanism through a screw; and the feed inlet of the crushing and granulating mechanism is positioned under the discharge outlet of the tabletting mechanism.

As a further improvement of the utility model, the feeding mechanism comprises a seat plate, a feeding hopper, a hopper cover and a feeding block; the upper surface of the top box is horizontally embedded with a seat plate; a feeding funnel is vertically arranged on the upper surface of the seat plate; a hopper cover is covered and installed on the upper surface of the feeding hopper; and the upper surface of the hopper cover is symmetrically provided with an upper material block.

As a further improvement of the utility model, the feeding mechanism comprises a support, a hydraulic cylinder, a telescopic rod, a supporting plate, a first motor, a first speed reducer, a rotary feeding rod, a spiral feeding blade, a material scraping rod and a shell; the inner side wall of the reinforcing rod positioned at the rear end is provided with a support through a screw rod; a hydraulic cylinder is vertically arranged on the upper surface of the support; the upper end surface of the hydraulic cylinder is vertically provided with a telescopic rod, and the telescopic rod penetrates through the partition plate; the upper end surface of the telescopic rod is horizontally provided with a supporting plate; a first motor is horizontally arranged on the upper surface of the supporting plate; the transmission end of the first motor is connected with a first speed reducer; the transmission end of the first speed reducer is vertically connected with a rotary feeding rod; the outer side wall of the rotary feeding rod is provided with a spiral feeding blade; the rotary feeding rod is also provided with a scraping rod in a through way; the rotary feeding rod, the spiral feeding blade and the scraping rod are all positioned in the feeding hopper, and the scraping rod is attached to the inner side wall of the feeding hopper; and the upper surface of the supporting plate is provided with a shell.

As a further improvement of the utility model, the tabletting mechanism comprises a housing, a second motor, a second speed reducer, a first bearing, a rotating shaft, a first fluted disc, an extrusion wheel, a rotating wheel and a belt; the outer cover, the second motor and the second speed reducer are all horizontally arranged on the upper surface of the partition plate through screws; the side walls of the two sides of the outer cover are symmetrically embedded with first bearings; a rotating shaft is horizontally arranged in the first bearing in a penetrating way; a first fluted disc is arranged at the transmission end of the rotating shaft and is positioned outside the outer cover; extrusion wheels are sleeved on the two rotating shafts and are positioned in the outer cover; rotating wheels are mounted at the transmission ends of the second motor and the second speed reducer; a belt is sleeved between the two rotating wheels; the rotating shaft on the right side is connected with the transmission end of the speed reducer.

As a further improvement of the utility model, the crushing and granulating mechanism comprises a protective cover, a third motor, a third fluted disc, a second bearing, a transmission shaft, a fourth fluted disc, a rotary disc, a crushing knife, a boss, a semicircular filter screen, a discharge hopper and a discharge pipe; the protective cover is arranged on the lower bottom surface of the partition plate; a third motor is arranged on the upper surface of the cross beam at intervals; a third fluted disc is arranged at the transmission end of the third motor; the outer side walls of the two sides of the protective cover are symmetrically embedded with second bearings; a transmission shaft is horizontally arranged in the second bearing; a fourth fluted disc is arranged at the transmission end of the transmission shaft; the third fluted disc and the fourth fluted disc are clamped together; turntables are symmetrically arranged at two ends of the transmission shaft; crushing cutters are uniformly arranged between the two turntables at intervals; bosses are symmetrically formed on the side walls of two sides in the protective cover; a semicircular filter screen is arranged on the boss; the semicircular filter screen is positioned right below the crushing knife; the rotary disc, the crushing cutter and the semicircular filter screen are all positioned inside the protective cover; the filter mesh diameters of the two lower semicircular filter screens are smaller than the filter mesh diameter of the upper semicircular filter screen; the lower bottom surface of the protective cover is provided with a discharge hopper in a butt joint mode; and a discharge pipe is arranged on the lower bottom surface of the discharge hopper in a penetrating way.

Compared with the prior art, the utility model has the beneficial effects that: according to the technical scheme, the feeding mechanism is provided with the hydraulic cylinder and the telescopic rod, and the telescopic rod can drive the whole feeding mechanism to lift under the action force of the hydraulic cylinder; the feeding mechanism is also provided with a first motor, a first speed reducer, a rotary feeding rod, a spiral feeding blade and a scraping rod, when the first motor operates, the first speed reducer can drive the spiral feeding rod to rotate, so that spiral feeding of the spiral feeding blade is realized, the blockage of a pipe orifice caused by the accumulation of raw materials can be avoided through the feeding mode, and meanwhile, the feeding progress of the spiral feeding blade can be realized by adjusting the rotating speed of the first motor; the scraping rod attached to the feeding funnel can effectively scrape materials on the side wall of the feeding funnel and avoid accumulation of the materials; the tabletting mechanism in the technical scheme is provided with an outer cover, a second motor, a second speed reducer, a first bearing, a rotating shaft, a first fluted disc, an extrusion wheel, a rotating wheel and a belt, and the extrusion wheel can extrude the entering materials into flat cakes under the driving of the second motor, the second speed reducer, the first bearing, a transmission shaft, the first fluted disc, the rotating wheel and the belt so as to facilitate the production and manufacturing of the next procedure; this technical scheme smashes whole grain mechanism and is provided with the protection casing, the third motor, the third fluted disc, the second bearing, the transmission shaft, the fourth fluted disc, the carousel, smash the sword, boss and semicircle filter screen, at the third motor, the third fluted disc, the second bearing, the transmission shaft, under the drive of fourth fluted disc and carousel, smash the sword can pass through and the extrusion between the semicircle filter screen, smash into the particulate matter with above-mentioned extrusion's pie material, set the upper and lower layer-stepping structure to semicircle filter screen simultaneously, and the upper mesh is greater than the lower floor's mesh, can smash the material layer upon layer like this, reduce the pressure burden that bears when smashing the sword disposable crushing, thereby improve the life who smashes the sword.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is an enlarged structural schematic diagram of the feeding mechanism of the present invention.

Fig. 4 is an enlarged structural schematic diagram of the feeding mechanism of the present invention.

Fig. 5 is an enlarged schematic view of the tablet compressing mechanism of the present invention.

Fig. 6 is an enlarged schematic view of the crushing and sizing mechanism of the present invention.

Fig. 7 is an enlarged schematic view of the internal structure of the crushing and sizing mechanism of the present invention.

In the figure: 1. a bottom box; 2. a top box; 3. a reinforcing bar; 4. a cross beam; 5. a partition plate; 6. a feeding mechanism; 6001. a seat plate; 6002. a feeding hopper; 6003. a bucket cover; 6004. the feeding is quick; 7. a feeding mechanism; 7001. a support; 7002. a hydraulic cylinder; 7003. a telescopic rod; 7004. a support plate; 7005. a first motor; 7006. a first decelerator; 7007. rotating the feed rod; 7008. a spiral feeding blade; 7009. scraping the material rod; 7010. a housing; 8. a tablet pressing mechanism; 8001. a housing; 8002. a second motor; 8003. a second decelerator; 8004. a first bearing; 8005. a rotating shaft; 8006. a first fluted disc; 8007. an extrusion wheel; 8008. a rotating wheel; 8009. a belt; 9. a crushing and granulating mechanism; 9001. a protective cover; 9002. a third motor; 9003. a third fluted disc; 9004. a second bearing; 9005. a drive shaft; 9006. a fourth fluted disc; 9007. a turntable; 9008. a crushing knife; 9009. a boss; 9010. a semicircular filter screen; 9011. a discharge hopper; 9012. a discharge tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: a dry granulator convenient to disassemble, assemble and clean comprises a bottom box 1, a top box 2, a feeding mechanism 6, a feeding mechanism 7, a tabletting mechanism 8 and a crushing and granulating mechanism 9; the top box 2 is arranged on the upper surface of the bottom box 1; the front, rear, left and right inner side walls of the bottom box 1 are horizontally provided with reinforcing rods 3; the inner side walls of the reinforcing rods 3 positioned at the left end and the right end are horizontally provided with a cross beam 4; a partition plate 5 is horizontally arranged between the bottom box 1 and the top box 2; the upper surface of the top box 2 is vertically provided with a feeding mechanism 6 in a through way; the feeding mechanism 7 is arranged on the upper end surface of the feeding mechanism 6; the upper surface of the clapboard 5 is provided with a tabletting mechanism 8 through a screw rod; the feed inlet of the tabletting mechanism 8 is positioned right below the discharge outlet of the feeding mechanism 6; the lower bottom surface of the clapboard 5 is provided with a crushing and granulating mechanism 9 through a screw; the feed inlet of the crushing and granulating mechanism 9 is positioned under the discharge outlet of the tabletting mechanism 8.

The feeding mechanism 6 comprises a seat plate 6001, a feeding funnel 6002, a bucket cover 6003 and a feeding block 6004; a seat plate 6001 is horizontally embedded and mounted on the upper surface of the top box 2; a feeding funnel 6002 is vertically arranged on the upper surface of the seat plate 6001; a hopper cover 6003 is covered and installed on the upper surface of the feeding hopper 6002; the upper material block 6004 is symmetrically mounted on the upper surface of the bucket cover 6003.

The feeding mechanism 7 comprises a support 7001, a hydraulic cylinder 7002, a telescopic rod 7003, a supporting plate 7004, a first motor 7005, a first speed reducer 7006, a rotary feeding rod 7007, a spiral feeding blade 7008, a material scraping rod 7009 and a shell 7010; the inner side wall of the reinforcing rod 3 positioned at the rear end is provided with a support 7001 through a screw; a hydraulic cylinder 7002 is vertically arranged on the upper surface of the support 7001; the upper end face of the hydraulic cylinder 7002 is vertically provided with a telescopic rod 7003, and the telescopic rod 7003 penetrates through the partition 5; a supporting plate 7004 is horizontally installed on the upper end face of the telescopic rod 7003; a first motor 7005 is horizontally installed on the upper surface of the supporting plate 7004; the transmission end of the first motor 7005 is connected with a first speed reducer 7006; the transmission end of the first speed reducer 7006 is vertically connected with a rotary feeding rod 7007; the outer side wall of the rotary feeding rod 7007 is provided with a spiral feeding blade 7008; the rotary feeding rod 7007 is also provided with a scraping rod 7009 in a penetrating way; the rotary feeding rod 7007, the spiral feeding blade 7008 and the scraping rod 7009 are all positioned in the feeding funnel 6002, and the scraping rod 7009 is attached to the inner side wall of the feeding funnel 6002; a housing 7010 is mounted to the upper surface of the plate 7004.

The tablet pressing mechanism 8 comprises a housing 8001, a second motor 8002, a second speed reducer 8003, a first bearing 8004, a rotating shaft 8005, a first fluted disc 8006, a squeezing wheel 8007, a rotating wheel 8008 and a belt 8009; the outer cover 8001, the second motor 8002 and the second speed reducer 8003 are all horizontally mounted on the upper surface of the partition plate 5 through screws; first bearings 8004 are symmetrically embedded in the side walls of the two sides of the outer cover 8001; a rotating shaft 8005 is horizontally installed in the first bearing 8004 in a penetrating manner; a first fluted disc 8006 is mounted at the transmission end of the rotating shaft 8005, and the first fluted disc 8006 is located outside the outer cover 8001; extrusion wheels 8007 are sleeved on the two rotating shafts 8005, and the extrusion wheels 8007 are located inside the outer cover 8001; the transmission ends of the second motor 8002 and the second speed reducer 8003 are provided with a rotating wheel 8008; a belt 8009 is sleeved between the two rotating wheels 8008; the rotation shaft 8005 on the right side is connected to a transmission end of the reduction gear 8003.

The crushing and granulating mechanism 9 comprises a protective cover 9001, a third motor 9002, a third fluted disc 9003, a second bearing 9004, a transmission shaft 9005, a fourth fluted disc 9006, a rotary disc 9007, crushing knives 9008, a boss 9009, a semicircular filter screen 9010, a discharge hopper 9011 and a discharge pipe 9012; the protective cover 9001 is arranged on the lower bottom surface of the partition board 5; a third motor 9002 is arranged on the upper surface of the beam 4 at intervals; a third fluted disc 9003 is arranged at the transmission end of the third motor 9002; the outer side walls of two sides of the protective cover 9001 are symmetrically embedded with second bearings 9004; a transmission shaft 9005 is horizontally installed inside the second bearing 9004; a fourth fluted disc 9006 is arranged at the transmission end of the transmission shaft 9005; the third fluted disc 9003 and the fourth fluted disc 9006 are clamped together; two ends of the transmission shaft 9005 are symmetrically provided with turntables 9007; crushing knives 9008 are uniformly arranged between the two turntables 9007 at intervals; bosses 9009 are symmetrically formed on the side walls of two sides in the protective cover 9001; a semicircular filter screen 9010 is arranged on the boss 9009; the semicircular filter screen 9010 is positioned right below the crushing knife 9008; the rotary table 9007, the crushing knife 9008 and the semicircular filter screen 9010 are all positioned inside the protective cover 9001; the filter mesh diameters of the two lower semicircular filter screens 9010 are smaller than the filter mesh diameter of the upper semicircular filter screen 9010; a discharging hopper 9011 is installed on the lower bottom surface of the protective cover 9001 in a butt joint mode; a discharge pipe 9012 is mounted through the lower bottom surface of the discharge hopper 9011.

The working principle and the using process of the utility model are as follows: at first add the raw materials in to material loading funnel 6002 through material loading piece 6004, then under the drive of spiral pay-off leaf 7008, the raw materials can be sent into preforming mechanism 8 by the spiral, and at this moment the raw materials can be extruded by extrusion wheel 8007 and become the cake material, and extrusion's cake material can get into smash whole grain mechanism 9, and the cake material falls into in discharge hopper 9011 under smashing the layer upon layer of grinding sword 9008 and semicircle filter screen 9010, at this moment through discharge tube 9012 take out the finished product material.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dry process granulator convenient to dismouting is washd which characterized in that: comprises a bottom box (1), a top box (2), a feeding mechanism (6), a feeding mechanism (7), a tabletting mechanism (8) and a crushing and granulating mechanism (9); the top box (2) is arranged on the upper surface of the bottom box (1); reinforcing rods (3) are horizontally arranged on the front, rear, left and right inner side walls of the bottom box (1); the inner side walls of the reinforcing rods (3) positioned at the left end and the right end are horizontally provided with a cross beam (4); a partition plate (5) is horizontally arranged between the bottom box (1) and the top box (2); a feeding mechanism (6) is vertically arranged on the upper surface of the top box (2) in a penetrating manner; the feeding mechanism (7) is arranged on the upper end surface of the feeding mechanism (6); the upper surface of the clapboard (5) is provided with a tabletting mechanism (8) through a screw rod; the feeding hole of the tabletting mechanism (8) is positioned right below the discharging hole of the feeding mechanism (6); the lower bottom surface of the partition plate (5) is provided with a crushing and granulating mechanism (9) through a screw; and the feed inlet of the crushing and granulating mechanism (9) is positioned under the discharge outlet of the tabletting mechanism (8).

2. The dry granulator of claim 1 that is easy to disassemble, assemble and clean, wherein: the feeding mechanism (6) comprises a seat plate (6001), a feeding hopper (6002), a hopper cover (6003) and a feeding block (6004); a seat plate (6001) is horizontally embedded and mounted on the upper surface of the top box (2); a feeding funnel (6002) is vertically arranged on the upper surface of the seat plate (6001); a hopper cover (6003) is covered and installed on the upper surface of the feeding hopper (6002); and an upper material block (6004) is symmetrically arranged on the upper surface of the bucket cover (6003).

3. A dry granulator convenient to disassemble, assemble and clean as claimed in claim 2 wherein: the feeding mechanism (7) comprises a support (7001), a hydraulic cylinder (7002), a telescopic rod (7003), a supporting plate (7004), a first motor (7005), a first speed reducer (7006), a rotary feeding rod (7007), a spiral feeding blade (7008), a scraping rod (7009) and a shell (7010); the inner side wall of the reinforcing rod (3) positioned at the rear end is provided with a support (7001) through a screw; a hydraulic cylinder (7002) is vertically arranged on the upper surface of the support (7001); a telescopic rod (7003) is vertically arranged on the upper end face of the hydraulic cylinder (7002), and the telescopic rod (7003) penetrates through the partition plate (5); a supporting plate (7004) is horizontally arranged on the upper end face of the telescopic rod (7003); a first motor (7005) is horizontally arranged on the upper surface of the supporting plate (7004); the transmission end of the first motor (7005) is connected with a first speed reducer (7006); the transmission end of the first speed reducer (7006) is vertically connected with a rotary feeding rod (7007); the outer side wall of the rotary feeding rod (7007) is provided with a spiral feeding blade (7008); the rotary feeding rod (7007) is also provided with a material scraping rod (7009) in a penetrating way; the rotary feeding rod (7007), the spiral feeding blade (7008) and the scraping rod (7009) are all positioned in the feeding funnel (6002), and the scraping rod (7009) is attached to the inner side wall of the feeding funnel (6002); and a shell (7010) is mounted on the upper surface of the supporting plate (7004).

4. The dry granulator of claim 1 that is easy to disassemble, assemble and clean, wherein: the tablet pressing mechanism (8) comprises a housing (8001), a second motor (8002), a second speed reducer (8003), a first bearing (8004), a rotating shaft (8005), a first fluted disc (8006), a squeezing wheel (8007), a rotating wheel (8008) and a belt (8009); the outer cover (8001), the second motor (8002) and the second speed reducer (8003) are all horizontally mounted on the upper surface of the partition plate (5) through screws; the two side walls of the outer cover (8001) are symmetrically embedded with first bearings (8004); a rotating shaft (8005) is horizontally arranged in the first bearing (8004) in a penetrating mode; a first fluted disc (8006) is mounted at the transmission end of the rotating shaft (8005), and the first fluted disc (8006) is located outside the outer cover (8001); extrusion wheels (8007) are sleeved on the two rotating shafts (8005), and the extrusion wheels (8007) are located inside the outer cover (8001); the transmission ends of the second motor (8002) and the second speed reducer (8003) are provided with a rotating wheel (8008); a belt (8009) is sleeved between the two rotating wheels (8008); the rotating shaft (8005) on the right side is connected with a transmission end of the speed reducer (8003).

5. The dry granulator of claim 1 that is easy to disassemble, assemble and clean, wherein: the crushing and granulating mechanism (9) comprises a protective cover (9001), a third motor (9002), a third fluted disc (9003), a second bearing (9004), a transmission shaft (9005), a fourth fluted disc (9006), a rotary disc (9007), a crushing knife (9008), a boss (9009), a semicircular filter screen (9010), a discharging hopper (9011) and a discharging pipe (9012); the protective cover (9001) is arranged on the lower bottom surface of the partition plate (5); a third motor (9002) is arranged on the upper surface of the cross beam (4) at intervals; a third fluted disc (9003) is arranged at the transmission end of the third motor (9002); the outer side walls of two sides of the protective cover (9001) are symmetrically embedded with second bearings (9004); a transmission shaft (9005) is horizontally arranged in the second bearing (9004); a fourth fluted disc (9006) is arranged at the transmission end of the transmission shaft (9005); the third fluted disc (9003) and the fourth fluted disc (9006) are clamped together; turntables (9007) are symmetrically arranged at two ends of the transmission shaft (9005); crushing knives (9008) are uniformly arranged between the two turntables (9007) at intervals; bosses (9009) are symmetrically formed on the side walls of two sides in the protective cover (9001); a semicircular filter screen (9010) is arranged on the boss (9009); the semicircular filter screen (9010) is positioned right below the crushing knife (9008); the rotary table (9007), the crushing cutter (9008) and the semicircular filter screen (9010) are all positioned inside the protective cover (9001); the filter mesh diameters of the two lower semicircular filter screens (9010) are smaller than the filter mesh diameter of the upper semicircular filter screen (9010); the lower bottom surface of the protective cover (9001) is provided with a discharging hopper (9011) in a butt joint manner; and a discharge pipe (9012) is arranged on the lower bottom surface of the discharge hopper (9011) in a penetrating manner.