CN103481361A - Composite building block forming machine - Google Patents

Composite building block forming machine Download PDF

Info

Publication number
CN103481361A
CN103481361A CN201310442205.0A CN201310442205A CN103481361A CN 103481361 A CN103481361 A CN 103481361A CN 201310442205 A CN201310442205 A CN 201310442205A CN 103481361 A CN103481361 A CN 103481361A
Authority
CN
China
Prior art keywords
separated
machine
bin
feed bin
aggregate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310442205.0A
Other languages
Chinese (zh)
Other versions
CN103481361B (en
Inventor
傅俊元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QUANZHOU SANLIAN MACHINERY MANUFACTURE CO Ltd
Original Assignee
QUANZHOU SANLIAN MACHINERY MANUFACTURE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by QUANZHOU SANLIAN MACHINERY MANUFACTURE CO Ltd filed Critical QUANZHOU SANLIAN MACHINERY MANUFACTURE CO Ltd
Priority to CN201310442205.0A priority Critical patent/CN103481361B/en
Publication of CN103481361A publication Critical patent/CN103481361A/en
Application granted granted Critical
Publication of CN103481361B publication Critical patent/CN103481361B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00General arrangement or layout of plant Industrial outlines, plant installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/0046Storage or weighing apparatus for supplying ingredients
    • B28C7/0053Storage containers, e.g. hoppers, silos, bins
    • B28C7/0069Storage containers, e.g. hoppers, silos, bins having compartments

Abstract

A composite building block forming machine comprises an aggregate conveying system, a storage system, a distributing system, a building block forming system, a board feed mechanism, a brick receiving machine and a board stacker. The storage system comprises a three-dimensional separating bin. The inner cavity of the three-dimensional separating bin is separated in a crossed manner. An automatic door-opening mechanism is disposed at the bottom of the three-dimensional separating bin. The inner cavity inside the distribution system is provided with a plurality of independent cavities, the independent cavities are not communicated with one another, and the volume of each cavity is fixed. Concrete materials and thermal insulating concrete materials are added to the distributing system through the three-dimensional separating bin and the distributing cavity, the distributing system regularly and simultaneously fills the two kinds of materials into inner cavities of building block dies, and products can be fully boned together at the same time to form high-strength self-thermal-insulating building blocks. By the full-automatic production mode of the system, work efficiency is increased, and product quality is increased.

Description

Machine for forming composite block
Technical field
The invention belongs to the building wall block field of mechanical technique, what be specifically related to is a kind of machine for forming composite block.
Background technology
Along with the deep development of China materials for wall reform, develop a kind of lightweight, energy-conservation, save land, sharp expense, insulation, heat insulation, high-strength novel wall material have been inevitable trend.
According to China's national situation, the general requirement that wall is sent exhibition elsewhere be by clay matter to non-clay matter, by solid to hollow, by fritter to bulk, by heavy to lightweight, by low by force to high-strength, by power consumption high low to power consumption, by one-way function, to the multidirectional function body of wall, developed; And this product given prominence to just body of wall lightweight, energy-conservation, save land, sharp expense, insulation, the function such as heat insulation, high-strength, therefore, the Novel self-heat preserving concrete compound block meets the rule of development, can replace the main material that common concrete hollow block, solid brick become wall reform.
By adding insulation material and fill out the building block of inserting the explained hereafter such as insulation material at solid concrete piece hole in aggregate (concrete material), its masonry panel has the small-sized hollow building block of heat insulation function, is called for short heat insulation building block.
Traditional block machine storage bin can only store a kind of raw material, technological requirement in the time of can't meeting heat insulation building block production, traditional block machine after improvement will be produced the required concrete material of heat insulation building block and thermal insulation concrete material and be stored into respectively in two storage bins and fed in raw material, so both having wasted locus also makes feed time lengthen, perhaps storage bin is separated easily, bi-material is stored in to same storage bin the inside simultaneously, but can not makes like this bi-material effectively add in the middle of material-feeding mechanism; After making bi-material add material-feeding mechanism to, this bi-material is lumped together and is carried out cloth; Therefore can't meet the Production requirement of heat insulation building block to different materials distribution aspect, and then can't solve the heat bridge effect of building-block rib wall, make the self-heat conserving effect of playing that product can't be real.
Summary of the invention
The objective of the invention is the deficiency for above technology, provide a kind of and automatically two kinds of different proportioning materials are distributed into respectively in the building block material-feeding mechanism, and by material-feeding mechanism, each material is distributed into to the machine for forming composite block in mould.
The present invention is achieved by the following technical solutions: machine for forming composite block is the cloth system that consists of aggregate induction system, aggregate-storing system, the material-feeding mechanism of being located at the aggregate-storing system downside and cloth material oil cylinder, block forming system, the slab feeding mechanism of being located at block forming system one side be connected and installed with cloth system, brick receiving machine and the palletizing machine of being located at block forming system opposite side; It is characterized in that: aggregate-storing system is comprised of three-dimensional separation feed bin, and this three-dimensional separation feed bin inner chamber intersects and separates, and the bottom of three-dimensional separation feed bin arranges automatic door-opening mechanism; The material-feeding mechanism inner chamber of cloth system inside is provided with some independent cavitys, and each independent cavity do not communicate each other, but its volume is fixed.
The aggregate that described aggregate induction system is carried is stored in aggregate-storing system, and adds different aggregates to each independent cavity inside in material-feeding mechanism by aggregate-storing system by automatic door-opening mechanism.
Described aggregate-storing system is comprised of three-dimensional separation feed bin, and this three-dimensional separation feed bin comprises funneled bin, is located at the two-way cutting agency of funneled bin upper end actinal surface and is located at the automatic door-opening mechanism of funneled bin lower end actinal surface.
Described funneled bin inner upper side part by upright dividing plate by two separate space of interior separation or plural separate space, funneled bin interior lower end actinal surface is by several separated material warehouse receipt units, this separated material warehouse receipt unit is welded to connect setting with upright divider upright, and the two ends of separated material warehouse receipt unit is fixedly welded on respectively on two madial walls that funneled bin is relative.
Described separated material warehouse receipt unit encloses by plurality of partitions the hollow compartment assembly be welded mutually, and the space that separates one of them by upright dividing plate in the cavity of this hollow compartment component internal and funneled bin is interconnected; Separating another one of them space by upright dividing plate and be interconnected in the clearance space formed between some separated material warehouse receipts unit and funneled bin.
Described two-way cutting agency comprises returning face plate, rotating shaft and the actuating unit that drives rotating shaft to be rotated, and this returning face plate is located on rotating shaft, and is overturn with the rotation of rotating shaft.
Material-feeding mechanism in described cloth system is by the feed bin box, is arranged on the transmission mechanism in the feed bin box, and this transmission mechanism comprises power transmission shaft and drive motors; An end in this feed bin box to the other end evenly is laid with some tooth harrow axles, be located at the some tooth harrows on this tooth harrow axle and be fixed in the feed bin box and by fabrication hole the some separated material warehouse receipts unit be across on the tooth harrow axle by clamp; Separated material warehouse receipt unit becomes some independent cloth material spaces by the spatial separation in the feed bin box.
Described some separated material warehouse receipt unit forms a distribution cabins space across each separated material warehouse receipt unit internal cavities after being arranged on the tooth harrow axle, form a distribution cabins space between each separated material warehouse receipt unit, and not connected in each distribution cabins space, but its volume fixes.
Beneficial effect of the present invention embodies and is: compared with prior art, the three-dimensional separation feed bin that forming machine of the present invention adopts respectively inner chamber to intersect to separate and distribution cavity are separated into several independent and cavitys of not communicating, but volume is fixed; By the feed bin sub-material, by concrete material and thermal insulation concrete material, add to respectively in the middle of material-feeding mechanism, material-feeding mechanism is by bi-material respectively simultaneously in the middle of the well-regulated inner chamber that proportionally is filled into building block mould, make product together well-bonded at one time, thereby form, there is high-intensity heat insulation building block; The full automatic production model of the present invention, improved the quality of operating efficiency and product.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be described in detail.
Fig. 1 is part perspective view of the present invention.
Fig. 2 is part perspective view of the present invention.
The A place detailed construction schematic diagram that Fig. 3 is Fig. 2.
Fig. 4 is the material-feeding mechanism structural representation in the present invention.
Wherein Fig. 1 and Fig. 2 form holistic complete shaping machine structure schematic diagram.
Following is the concrete title of each sign in figure: 1 aggregate induction system, 2 aggregate-storing systems, 3 cloth material oil cylinders, 4 automatic door-opening mechanisms, 5 slab feeding mechanisms, 6 vibrational systems, 7 brick receiving machines, 8 moulding boxs, 9 pressure heads, 10 pressure head oil cylinders, 11 palletizing machines, 12 material-feeding mechanisms.
The specific embodiment
As shown in Figure 1, machine for forming composite block be the cloth system that formed by aggregate induction system 1, aggregate-storing system 2, the material-feeding mechanism 12 of being located at aggregate-storing system 2 downsides and cloth material oil cylinder 3, the block forming system, the slab feeding mechanism 5 of being located at block forming system one side, the brick receiving machine 7 of being located at block forming system opposite side and the palletizing machine 11 that are connected and installed with cloth system; Aggregate-storing system 2 is comprised of three-dimensional separation feed bin, and this three-dimensional separation feed bin inner chamber intersects and separates, and the bottom of three-dimensional separation feed bin arranges automatic door-opening mechanism 4; The inner chamber of material-feeding mechanism 12 inside is provided with some independent cavitys, and each independent cavity do not communicate each other, but its volume is fixed.
The aggregate that described aggregate induction system is carried is stored in aggregate-storing system, and adds different aggregates to each independent cavity inside in material-feeding mechanism by aggregate-storing system by automatic door-opening mechanism.
Described aggregate-storing system 2 is comprised of three-dimensional separation feed bin, this three-dimensional separation feed bin comprises funneled bin, be located at the two-way cutting agency of funneled bin upper end actinal surface and be located at the automatic door-opening mechanism of funneled bin lower end actinal surface, this two-way cutting agency is conducive to sub-material, and different aggregates is divided and installs in different feed bins.
Described funneled bin inner upper side part by upright dividing plate by two separate space of interior separation or plural separate space, funneled bin interior lower end actinal surface is by several separated material warehouse receipt units, this separated material warehouse receipt unit is welded to connect setting with upright divider upright, and the two ends of separated material warehouse receipt unit is fixedly welded on respectively on two madial walls that funneled bin is relative.
Described material-feeding mechanism is by the feed bin box, is arranged on the transmission mechanism in the feed bin box, and this transmission mechanism comprises power transmission shaft and drive motors; An end in this feed bin box to the other end evenly is laid with some tooth harrow axles, be located at the some tooth harrows on this tooth harrow axle and be fixed in the feed bin box and by fabrication hole the some separated material warehouse receipts unit be across on the tooth harrow axle by clamp; Separated material warehouse receipt unit becomes some independent cloth material spaces by the spatial separation in the feed bin box.
Described some separated material warehouse receipt unit forms a distribution cabins space across each separated material warehouse receipt unit internal cavities after being arranged on the tooth harrow axle, form a distribution cabins space between each separated material warehouse receipt unit, and not connected in each distribution cabins space, but its volume fixes.
Operation principle of the present invention is: after slab feeding mechanism 5 puts the supporting plate conveying in place, conveyer belt in aggregate induction system 1 is transported to respectively aggregate-storing system 2 inside by different aggregates and is stored, because the inner chamber of aggregate-storing system 2 is for intersecting vertical separation feed bin, so different aggregates do not mix after entering into aggregate-storing system 2, start cloth material oil cylinder 3, after material-feeding mechanism 12 systems of doing to move back and forth are adjusted to the positive downside position of automatic door-opening mechanism 4, open bin gate, the different aggregates that are stored in aggregate-storing system 2 are added to respectively in each cavity in material-feeding mechanism 12, the Vibration on Start-up system 6(time is adjustable simultaneously), make vibration charging, cloth system is by different materials respectively simultaneously in the middle of the well-regulated inner chamber that proportionally is filled into building block mould, pressure head oil cylinder 10 drive ram 9 descend simultaneously, start compacting vibration (adjustable) the interior material of moulding box 8 is made to pressurization and vibration, while arriving building block height (adjustable), vibration stops, time delay is 10 pressurizes of (elimination remained shock) pressure head oil cylinder after 0.2 second, moulding box 8 oil cylinders coordinate pressure head oil cylinder 10 that finished product is extruded from moulding box 8, after putting in place, pressure head 9 rises slab feeding mechanism 5 are simultaneously served shaking platform by another piece supporting plate, and finished bricks is released and to be delivered to palletizing machine 11 by brick receiving machine 7 and to carry out piling, piling is transported to the maintenance place to fork truck after certain number of plies, complete a production cycle, this program is controlled running automatically by the PLC main system.
The present invention can extend to aggregate-storing system is divided into to the aggregate-storing system of multiple material and the heat insulation building block forming machine that material-feeding mechanism cooperatively interacts to reach the making multiple material.

Claims (7)

1. machine for forming composite block is the cloth system that consists of aggregate induction system, aggregate-storing system, the material-feeding mechanism of being located at the aggregate-storing system downside and cloth material oil cylinder, block forming system, the slab feeding mechanism of being located at block forming system one side be connected and installed with cloth system, brick receiving machine and the palletizing machine of being located at block forming system opposite side; It is characterized in that: aggregate-storing system is comprised of three-dimensional separation feed bin, and this three-dimensional separation feed bin inner chamber intersects and separates, and the bottom of three-dimensional separation feed bin arranges automatic door-opening mechanism; The material-feeding mechanism inner chamber of cloth system inside is provided with some independent cavitys, and each independent cavity do not communicate each other, but its volume is fixed.
2. machine for forming composite block according to claim 1, it is characterized in that: aggregate-storing system is comprised of three-dimensional separation feed bin, this three-dimensional separation feed bin comprises funneled bin, is located at the two-way cutting agency of funneled bin upper end actinal surface and is located at the automatic door-opening mechanism of funneled bin lower end actinal surface.
3. machine for forming composite block according to claim 2, it is characterized in that: funneled bin inner upper side part by upright dividing plate by two separate space of interior separation or plural separate space, funneled bin interior lower end actinal surface is by several separated material warehouse receipt units, this separated material warehouse receipt unit is welded to connect setting with upright divider upright, and the two ends of separated material warehouse receipt unit is fixedly welded on respectively on two madial walls that funneled bin is relative.
4. according tomachine for forming composite block claimed in claim 2, it is characterized in that: separated material warehouse receipt unit encloses by plurality of partitions the hollow compartment assembly be welded mutually, and the space that separates one of them by upright dividing plate in the cavity of this hollow compartment component internal and funneled bin is interconnected; Separating another one of them space by upright dividing plate and be interconnected in the clearance space formed between some separated material warehouse receipts unit and funneled bin.
5. according tomachine for forming composite block claimed in claim 2 is characterized in that: two-way cutting agency comprises returning face plate, rotating shaft and the actuating unit that drives rotating shaft to be rotated, and this returning face plate is located on rotating shaft, and is overturn with the rotation of rotating shaft.
6. according tomachine for forming composite block claimed in claim 1 is characterized in that: the material-feeding mechanism in cloth system is by the feed bin box, is arranged on the transmission mechanism in the feed bin box, and this transmission mechanism comprises power transmission shaft and drive motors; An end in this feed bin box to the other end evenly is laid with some tooth harrow axles, be located at the some tooth harrows on this tooth harrow axle and be fixed in the feed bin box and by fabrication hole the some separated material warehouse receipts unit be across on the tooth harrow axle by clamp; Separated material warehouse receipt unit becomes some independent cloth material spaces by the spatial separation in the feed bin box.
7. according tomachine for forming composite block claimed in claim 6, it is characterized in that: some separated material warehouse receipts unit forms a distribution cabins space across each separated material warehouse receipt unit internal cavities after being arranged on the tooth harrow axle, form a distribution cabins space between each separated material warehouse receipt unit, and not connected in each distribution cabins space, but its volume fixes.
CN201310442205.0A 2013-09-26 2013-09-26 Machine for forming composite block Active CN103481361B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310442205.0A CN103481361B (en) 2013-09-26 2013-09-26 Machine for forming composite block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310442205.0A CN103481361B (en) 2013-09-26 2013-09-26 Machine for forming composite block

Publications (2)

Publication Number Publication Date
CN103481361A true CN103481361A (en) 2014-01-01
CN103481361B CN103481361B (en) 2017-11-24

Family

ID=49822127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310442205.0A Active CN103481361B (en) 2013-09-26 2013-09-26 Machine for forming composite block

Country Status (1)

Country Link
CN (1) CN103481361B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104029288A (en) * 2014-05-16 2014-09-10 王宜杰 Forming machine for concrete composite self-heat-preservation building blocks/bricks and production method thereof
CN106276287A (en) * 2016-09-06 2017-01-04 深圳市动力飞扬自动化设备有限公司 A kind of carton stacking machine and method of work thereof
CN106755971A (en) * 2017-01-03 2017-05-31 湖南恒晟环保科技有限公司 A kind of automatic brick machine device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2714274Y (en) * 2003-10-15 2005-08-03 河北农业大学 Small-sized energy-saving hollow light skeletal material building block shaping machine
CN200951597Y (en) * 2006-09-11 2007-09-26 徐四通 Novel block forming machine
CN101186079A (en) * 2006-11-17 2008-05-28 怀方林 Composite wire-lacing block-building shaping machine
DE202010002946U1 (en) * 2009-09-09 2011-02-03 Rb International Gmbh & Co. Kg Betonformlingherstellvorrichtung
CN103144188A (en) * 2013-03-14 2013-06-12 谢景志 Solidified block former
CN203045965U (en) * 2013-01-28 2013-07-10 湖南协盛环保设备有限公司 Full-automatic block forming machine with stacker crane
CN203092746U (en) * 2012-12-29 2013-07-31 武汉新德龙环保机械设备有限公司 Full-automatic hydraulic brick machine production line
CN103252836A (en) * 2013-05-31 2013-08-21 德州天元集团有限责任公司 Brick making system device
KR101302069B1 (en) * 2011-03-22 2013-09-05 한성만 Apparatus for manufacturing brick and movable equipment for manufacturing brick containing the same
CN203510445U (en) * 2013-09-26 2014-04-02 泉州市三联机械制造有限公司 Composite block making machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2714274Y (en) * 2003-10-15 2005-08-03 河北农业大学 Small-sized energy-saving hollow light skeletal material building block shaping machine
CN200951597Y (en) * 2006-09-11 2007-09-26 徐四通 Novel block forming machine
CN101186079A (en) * 2006-11-17 2008-05-28 怀方林 Composite wire-lacing block-building shaping machine
DE202010002946U1 (en) * 2009-09-09 2011-02-03 Rb International Gmbh & Co. Kg Betonformlingherstellvorrichtung
KR101302069B1 (en) * 2011-03-22 2013-09-05 한성만 Apparatus for manufacturing brick and movable equipment for manufacturing brick containing the same
CN203092746U (en) * 2012-12-29 2013-07-31 武汉新德龙环保机械设备有限公司 Full-automatic hydraulic brick machine production line
CN203045965U (en) * 2013-01-28 2013-07-10 湖南协盛环保设备有限公司 Full-automatic block forming machine with stacker crane
CN103144188A (en) * 2013-03-14 2013-06-12 谢景志 Solidified block former
CN103252836A (en) * 2013-05-31 2013-08-21 德州天元集团有限责任公司 Brick making system device
CN203510445U (en) * 2013-09-26 2014-04-02 泉州市三联机械制造有限公司 Composite block making machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104029288A (en) * 2014-05-16 2014-09-10 王宜杰 Forming machine for concrete composite self-heat-preservation building blocks/bricks and production method thereof
CN104029288B (en) * 2014-05-16 2016-06-08 王宜杰 A kind of composite self-heat-insulation concrete building block/brick forming machine and production method thereof
CN106276287A (en) * 2016-09-06 2017-01-04 深圳市动力飞扬自动化设备有限公司 A kind of carton stacking machine and method of work thereof
CN106755971A (en) * 2017-01-03 2017-05-31 湖南恒晟环保科技有限公司 A kind of automatic brick machine device

Also Published As

Publication number Publication date
CN103481361B (en) 2017-11-24

Similar Documents

Publication Publication Date Title
CN102555036B (en) Full-automatic production equipment for expanded perlite core board of fire door and production method thereof
CN203510445U (en) Composite block making machine
CN201040397Y (en) Full automatic block forming machine
CN1657251A (en) Automatic shaping method and equipment for load-bearing hollow brick
CN101186079B (en) Composite wire-lacing block-building shaping machine
CN101049712B (en) Flip-flop forming machine for heat preservation building module blocks
CN103481361A (en) Composite building block forming machine
CN101659080A (en) Concrete product molding machine
CN2598732Y (en) Multifunctional light composite insulated wallboard forming machine
CN103732367A (en) Oscillating grate for a hopper of a block making machine
CN107088953A (en) Multifunctional molding brickmaking machine
CN103223730A (en) Energy-saving and environment-friendly wall body light weight heat preservation novel material full-automatic hydraulic machine
CN203752291U (en) Composite self-insulation building block pressing forming machine
CN105563623A (en) Production method for prefabricated wall boards
CN102717426B (en) High-strength gypsum block making machine
CN105216107B (en) Building-block forming device
CN201317041Y (en) Building thermal insulation block forming machine
CN101007424A (en) Forming device of novel heat preservation brick
CN207465460U (en) Multifunctional molding brickmaking machine
CN103660024B (en) Non-evaporating pressure Self-insulation wall plate integrated production line
CN203665694U (en) Non-autoclaved self-insulation wallboard integrated production line
CN104772819A (en) Forming equipment system for artificial imitating stone brick (plate) with combined type unit modules
CN203510451U (en) Three-dimensional separation feed bin
CN206982970U (en) A kind of load bearing wall wall board forming equipment
CN201049493Y (en) Thermal insulation construction materials inverting manufacturing machine

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant