CN205587047U - To husky machine of roll -type system - Google Patents
To husky machine of roll -type system Download PDFInfo
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- CN205587047U CN205587047U CN201620220607.5U CN201620220607U CN205587047U CN 205587047 U CN205587047 U CN 205587047U CN 201620220607 U CN201620220607 U CN 201620220607U CN 205587047 U CN205587047 U CN 205587047U
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- main shaft
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- cylinder
- rotary drum
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Abstract
The utility model relates to a husky machine of system. A to husky machine of roll -type system, which comprises a frame, the frame is provided with a pair of smashing cylinder, the clearance adjustment mechanism in the clearance between drive smashing cylinder pivoted drive structure and a pair of smashing cylinder of adjustment, smashing cylinder is including rolling a section of thick bamboo and main shaft, it establishes and rotates and connect in the main shaft to roll the barrel casing, smashing cylinder links together with the frame through the main shaft, actuating mechanism is including connecting the ring gear in rolling a section of thick bamboo, the rotation is connected in the gear drive shaft and drive gear drive shaft pivoted gear box and the motor of input power for the gear box of main shaft, gear drive shaft is equipped with first gear, link together through planetary gear between first gear and the ring gear. The utility model provides a set up the gear train at inside the drum and carry out driven to husky machine of roll -type system, solved the husky quick -witted cylinder of current system and carried out the problem that the outward appearance is bulky, bearing capacity is little that the transmission leads to in order to realize rotating through externally setting up the sprocket.
Description
Technical field
This utility model relates to sweetened bean paste-making machine, particularly relates to a kind of double-roll type sand making machine.
Background technology
Sweetened bean paste-making machine is a kind of for stone is pulverized the plant equipment for sand.The structure of sweetened bean paste-making machine has two kinds, and one is hammer mill, another kind of for twin rollers (hereinafter referred to as double-roll type sand making machine), and hammer mill consumable accessory is many, energy consumption is big, dust is many, and fineness is uneven.Double-roll type sand making machine is then it can be avoided that the deficiency that dust is many, fineness is uneven.It is 2010202399225 in China Patent No., Publication No. CN201791554U, a kind of double-roll type sand making machine disclosed in the patent document of entitled " drive mechanism of double-roll type sand making machine ", double-roll type sand making machine pulverizing stone is made sand and is carried out rolling realizing by a pair crushing rotary drum (also known as roll), the crushing rotary drum of existing sweetened bean paste-making machine is to arrange sprocket wheel by the one end at crushing rotary drum, then drive sprocket is gone to realize rotation by chain after motor output being slowed down by reductor, therefore there is inefficient, abrasion is big, bearing capacity is little, impact resistance is little, vibration and apparent volume are big, continuously run life-span short deficiency；The most existing sweetened bean paste-making machine adjusts the gap between a pair crushing rotary drum by 5 adjustment screw mandrels and realizes changing discharge fineness, and working strength when being therefore adjusted is big and adjusts inconvenience, and runs into when oarse-grained stone enters and can produce stuck phenomenon；Existing sweetened bean paste-making machine there is also the deficiency of stationarity difference when crushing rotary drum works.
Utility model content
This utility model provides and a kind of arranges the double-roll type sand making machine that gear train is driven at drums inside, solves existing sweetened bean paste-making machine cylinder by arranging sprocket wheel in outside and carries out the problem that apparent volume is big, bearing capacity is little that transmission causes to realize rotating.
nullMore than technical problem is that and to be solved by following technical proposal: a kind of double-roll type sand making machine，Including frame，Described erecting is equipped with a pair crushing rotary drum、The driving structure driving crushing rotary drum rotation and the clearance adjustment mechanism in the gap adjusted between a pair crushing rotary drum，Described crushing rotary drum includes rolling cylinder and main shaft，The described jacket casing that rolls sets and is rotationally connected with described main shaft，Described crushing rotary drum is linked together with described frame by described main shaft，Described drive mechanism include being connected to described in roll in cylinder driving roll the ring gear that cylinder rotates for axle with described main shaft、Wear and be rotationally connected with gearing shaft and the gear-box driving gearing shaft to rotate and the motor inputting power to gear-box of described main shaft，Described gearing shaft is provided with the first gear being located in described ring gear，Linked together by some planetary gears between described first gear and ring gear.During use, motor drives power input shaft to rotate through gear-box, power input shaft drives driving gear to go to drive driven gear, driven tooth wheel drive gear transmission axle rotates, gearing shaft drives the first pinion rotation, first gear drives planetary gear rotation, planet gear drives ring gear rotates, and ring gear drives and rolls cylinder rotation.So that motor i.e. can go to drive crushing rotary drum, reduce the purpose of outer tube volume and improve bearing capacity without arranging reduction box.Planetary gear with main shaft or roll that cylinder links together can.
As preferably, described gear-box includes casing and is positioned at the input gear meshed together and the output gear of casing, described input gear is provided with the power input shaft stretching out described casing, described power input shaft is provided with the driven pulley being positioned at outside casing, described motor is provided with drive pulley, described drive pulley is linked together with described driven pulley by belt, and described output gear links together with described rotary gear axis.Structure reduces compact, convenient when being lubricated the external component driving structure to be positioned at crushing rotary drum.
As preferably, described in roll formation annular seal space between cylinder and main shaft, described first gear, ring gear and planetary gear are all located in described annular seal space.It is convenient to be positioned at drive mechanism when the parts of crushing rotary drum are lubricated.
As preferably, described main shaft is provided with the tank filler sleeve connected with described annular seal space.During oil addition conveniently.
As preferably, described in roll the axial one end of cylinder and be provided with the opening entered for described gear ring, described opening is removably connected with the spindle drum covering described opening, described in roll cylinder and be supported on described main shaft by described spindle drum.When being installed to ring gear to roll in cylinder convenient.
As preferably, the described cylinder that rolls includes outer roller and is positioned at the roll body that the same outer roller of outer roller is detachably connected, described opening is arranged at described interior roll body, described ring gear is positioned at described roll body, and described ring gear is by being arranged in described interior roll body and wearing or hold out against the steady pin in the outer peripheral face of ring gear and link together with described interior roll body.Further increase convenience when installing ring gear.
As preferably, together with one end of described outer roller is connected to described interior roll body cone match, it is provided with between the other end and the described interior roll body of described outer roller and drives roller beyond outer roller and interior roll body to contact with the cooperation conical surface of interior roll body and distensible ring together with being pushed against.When interior roll body and outer roller are fixed together conveniently.
As preferably, described distensible ring and described interior roll body are linked together by clamping screw.Change the distensible ring degree of depth along the spindle rotating direction outer roller of insertion by rotation lock bolt and change coupling mechanism force to realize being locked together same to interior roll body and outer roller.Convenience during making is good.
As preferably, described clearance adjustment mechanism includes the piston that Hydraulic Station, the cylinder body being connected to described frame and sealing are slidably connected in cylinder body, hydraulic cavities is formed between described piston and cylinder body, described hydraulic cavities is provided with fuel feed hole, described piston connects the drive rod driving the pair of crushing rotary drum deciliter, described hydraulic cavities connects has gas receiver, described Hydraulic Station to include fuel tank and by the hydraulic pump in described fuel feed hole is input to described hydraulic cavities of the hydraulic oil in fuel tank.Setting, according to discharge fineness, the oil pressure that hydraulic cavities is produced by the hydraulic pump of Hydraulic Station during use, the oil pressure oil of oil pressure intracavity drives drive rod to remove directly or indirectly to drive crushing rotary drum by piston so that the grinding pressure of crushing rotary drum meets the requirements.When run into have more than set the sand required enter and when causing instantaneous pressure to increase, now the gas in gas receiver is squeezed and reduces further, thus retreat offer for piston towards oil pressure chamber and dodge space, making big sand can pass through without producing stuck phenomenon, big sand gas in storage cylinder later produces and expands and make the pressure of crushing rotary drum and gap be restored to set requirement.
As preferably, also forming collection chamber between described cylinder body and described piston, described hydraulic cavities and collection chamber are positioned at the both sides of described piston, and described collection chamber is provided with spill port, and described spill port is linked together with described fuel tank by oil pipe.When piston produces poor sealing and causes hydraulic cavities to leak, the oil of leakage is released through spill port after can being collected together by collection chamber and is recovered in fuel tank.
As preferably, described frame is provided with fixed cross beam and the balladeur train along a pair crushing rotary drum distribution arrangement slip, described clearance adjustment mechanism adjusts the gap between a pair crushing rotary drum by driving described balladeur train, the main shaft of a crushing rotary drum in the pair of crushing rotary drum passes through the first support seat supports main shaft in described frame, another crushing rotary drum by the second support seat supports in described balladeur train, and one end of described fixed cross beam is fixed together with described first support seat, midfoot support is fixed together with described frame in described second support seat, the other end.This fixed form of crushing rotary drum, stationarity during operation is good.
As preferably, described main shaft is removably connected with two pieces of plate seats along main shaft axial distribution, and described planetary gear rotation is connected between described two pieces of plate seats.
This utility model has an advantage that load is uniform, is capable of reducing of outer tube volume；Shock and vibration can be eliminated；Bearing capacity is big, bearing capacity is strong, high impact-resistant, anti-vibration, to continuously run the life-span long, and transmission efficiency is high, long-term work is reliable and stable；Can carry out oil bath lubrication, convenience during lubrication is good；.
Accompanying drawing explanation
Fig. 1 is schematic top plan view when carrying out broken section of this utility model embodiment one.
Fig. 2 is crushing rotary drum and the enlarged diagram driving structure.
Fig. 3 is embodiment one left view schematic diagram.
Fig. 4 is the enlarged diagram of cylinder body.
Fig. 5 is the partial schematic diagram of this utility model embodiment two.
nullIn figure: cylinder body 1、Hydraulic cavities 11、Collection chamber 12、Fuel feed hole 13、Spill port 14、Gusset piece 15 is installed、Connecting bolt 151、Bolt hole 16、Reinforcing plate 17、Piston 18、Drive rod 181、Gas receiver 19、Drive mechanism 2、Ring gear 21、Planetary gear 22、First gear 23、Gearing shaft 24、Supplementary bearing 241、Gear-box 25、Casing 251、Input gear 252、Output gear 253、Power input shaft 254、Driven pulley 26、Drive pulley 27、Motor 28、Belt 29、Crushing rotary drum 3、Roll cylinder 30、Outer roller 31、Distensible ring 32、Clamping screw 321、Interior roll body 33、Opening 331、Steady pin 332、Spindle drum 34、The cooperation conical surface 35 between distensible ring and outer roller、The cooperation conical surface 36 of outer roller and interior roll body、Base bearing 37、Main shaft 38、Main shaft boring cover 381、Tank filler sleeve 382、Plate seat 383、Frame 4、Fixed cross beam 41、Prop up spike 42、Balladeur train 43、First supports seat 44、Second supports seat 45、Clearance adjustment mechanism 5、Hydraulic Station 51、Annular seal space S.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment one, sees Fig. 1, and a kind of double-roll type sand making machine, including frame 4 and clearance adjustment mechanism 5.
Frame 4 is provided with a pair crushing rotary drum 3.A pair pulverizing rolls 3 and is distributed along the longitudinal direction.The axis of crushing rotary drum 3 extends in left-right direction.Crushing rotary drum 3 includes rolling cylinder 30 and main shaft 38.Roll cylinder 30 sheathed and be rotatably connected on main shaft 38.The two ends of main shaft 38 are connected in frame 1.Each crushing rotary drum 3 drives structure 2 to drive by one and rotates.
Drive mechanism 2 includes gearing shaft 24, gear-box 25, driven pulley 26, drive pulley 27 and motor 28.Motor 28 is connected in frame 1.Drive pulley 27 is connected on the motor shaft of motor 28.Driven pulley 26 is linked together with drive pulley 27 by belt 29.Gear-box 25 includes casing 251, input gear 252 and output gear 253.Casing 251 is sealing mechanism.Casing 251 is fixed in frame 1.Input gear 252 and output gear 253 mesh together and are positioned at casing 251.Input gear 252 is provided with the power input shaft 254 stretching out casing 251.Driven pulley 26 is connected on power input shaft 254.Power input shaft 254 rotary seal is connected to casing 251.Output gear 253 is connected to gear and forwards one end of axle 24 to.Gearing shaft 24 rotary seal is connected to casing 251.Lubricating oil is added on during use the interior internal part to gear-box 25 of casing 251 be lubricated.
Clearance adjustment mechanism 5 Hydraulic Station 51 and cylinder body 1.Hydraulic Station 51 includes fuel tank and hydraulic pump.Cylinder body 1 is connected to frame 4.Cylinder body 1 is provided with gas receiver 19.Cylinder body 1 links together with Hydraulic Station 51.
Seeing Fig. 2, drive mechanism 2 also includes ring gear 21, planetary gear 22 and the first gear 23.Gearing shaft 24 is supported in the left end of main shaft 38 by some supplementary bearings 241.Gearing shaft 24 is provided with the first gear 23 being located in ring gear 21.Being linked together by planetary gear 22 between first gear 23 and ring gear 21, planetary gear 22 has two.
Roll outer roller 31, distensible ring 32, interior roll body 33 and spindle drum 34 that cylinder 30 includes that ecto-entad sets gradually.Outer roller 31 is set in outside interior roll body 33.Together with the left end of outer roller 31 is connected to interior roll body 33 cone match.The conical surface 36 that coordinates of outer roller and interior roll body is the conical surface that the inner little outer diameter of diameter is big.Distensible ring 32 is between outer roller 31 and the right-hand member of interior roll body 33.It it is cone match between distensible ring 32 and outer roller 31.The conical surface 35 that coordinates between distensible ring and outer roller is the conical surface that the inner little outer diameter of diameter is big.Coordinate and coordinate for cylinder between distensible ring 32 and interior roll body 33.Distensible ring 32 and interior roll body 33 are linked together by clamping screw 321.Drive distensible ring 32 to move axially along main shaft by rotation lock bolt 321 to realize being locked together interior roll body and outer roll body.Interior roll body 33 is tubular construction.Ring gear 21 and planetary gear 22 are positioned at roll body 33.When the opening 331(that the left end formation ring gear 21 of interior roll body 33 can penetrate i.e. assembles, ring gear 21 is in opening 331 is encased in interior roll body 33).Ring gear 21 is by being arranged in interior roll body 33 and wearing (certainly holding out against also possible) and link together with interior roll body 33 in the steady pin 332 of the outer peripheral face of ring gear 21.The two ends, left and right of interior roll body 33 are respectively removably connected with a spindle drum 34 by bolt.Spindle drum 34 is supported in main shaft 38 by base bearing 37.Roll formation annular seal space S between cylinder and main shaft 38.Main shaft 38 is hollow-core construction.The right-hand member of main shaft 38 is sealedly connected with main shaft boring cover 381.Main shaft boring cover 381 is provided with the tank filler sleeve 382 of same annular seal space S connection.
During use, the parts that lubricating oil is positioned at annular seal space S to drive mechanism 2 in tank filler sleeve 382 joins annular seal space S are lubricated.Crushing rotary drum 3 is supported in frame by main shaft 38.
Seeing Fig. 3, frame 4 is provided with fixed cross beam 41, a spike 42 and slidably connects balladeur train 43.Balladeur train 43 is that the distribution arrangement of a pair crushing rotary drum 3 slides along the longitudinal direction.The main shaft 38 of a crushing rotary drum in a pair crushing rotary drum 3 is fixed in frame 4 by the first support seat 44, the main shaft of another crushing rotary drum is fixed on balladeur train 43 by the second support seat 45.First support seat 44 is fixed together the left end of fixed cross beam 41 together, the second fixed supporting seat 45 is slidably connected together, right-hand member is fixed together with frame 1 together at middle part.Cylinder body 1 is equipped with drive rod 181 and is connected with installation gusset piece 15.Drive rod 181 is fixed together with balladeur train 43 after stretching out cylinder body 1.Drive rod 181 extends along the longitudinal direction.Gusset piece 15 is installed and is provided with bolt hole 16.Bolt hole 16 is axially extending along drive rod 181.Install and be provided with reinforcing plate 17 between gusset piece 15 and cylinder body 1.Cylinder body 1 is fixed in frame 4 through attaching nut after bolt hole 16 by connecting bolt 151.
See Fig. 4, seal in cylinder body 1 and slidably connect piston 18.Cylinder body 1 is divided into hydraulic cavities 11 and collection chamber 12 by piston 18.Hydraulic cavities 11 is connected with gas receiver 19.Hydraulic cavities 11 is provided with fuel feed hole 13.Fuel feed hole 13 sees Fig. 1 with Hydraulic Station 51() the port of export of hydraulic pump link together, i.e. hydraulic pump enters fuel feed hole 13 and is input in hydraulic cavities 11 by hydraulic oil.Collection chamber 12 is provided with spill port 14.Spill port 14 is linked together by the fuel tank of Hydraulic Station.The inner of drive rod 181 links together with piston 18.Drive rod 181 stretches out cylinder body 1 through collection chamber 12.
See Fig. 1 and Fig. 2, in this utility model, the process of the rotation of crushing rotary drum is: motor 28 drives drive pulley 27 to rotate, drive pulley 27 drives driven pulley 26 to rotate by belt 29, driven pulley 26 drives input gear 252 to rotate by power input shaft 254, input gear 252 drives gearing shaft 24 to rotate by output gear 253, gearing shaft 24 drives the first gear 23 to rotate, first gear 23 drives planetary gear 22 to rotate, planetary gear 22 drives ring gear 21 to rotate, ring gear 21 drives interior cylinder 33 to rotate, interior roll body 33 drives outer roller 31 to rotate.
See Fig. 1, Fig. 3 and Fig. 4, the process in the gap adjusting crushing rotary drum is: hydraulic oil is input in hydraulic cavities 11 drive piston 18 by the hydraulic motor of Hydraulic Station 51, piston 18 drives drive rod 181 to go drive carriage 43 to move and realizes crushing rotary drum gap and pulverize the adjustment of pressure, simultaneously the energy storage by the extruding of hydraulic oil of the gas in gas receiver 19.In crushing process when the big grains of sand cause power moment to increase through crushing rotary drum, piston 18 or be squeezed and move towards hydraulic cavities 11, now the gas in gas receiver 19 is squeezed deformation and the space that provides piston move back, is unlikely to increase by instantaneous pressure and damages the equipment such as crushing rotary drum and even produce stuck phenomenon too much.When piston 18 produces poor sealing, the oil leaked out is collected in collection chamber 12, after be back in fuel tank prevent waste and pollute environment through spill port 14.
Embodiment two, with the difference of embodiment one be:
Seeing Fig. 5, main shaft 38 is removably connected with two pieces of plate seats 383 along main shaft axial distribution.Planetary gear 32 is rotationally connected with between two pieces of plate seats 383.
Claims (10)
- null1. a double-roll type sand making machine，Including frame，Described erecting is equipped with a pair crushing rotary drum、The driving structure driving crushing rotary drum rotation and the clearance adjustment mechanism in the gap adjusted between a pair crushing rotary drum，It is characterized in that，Described crushing rotary drum includes rolling cylinder and main shaft，The described jacket casing that rolls sets and is rotationally connected with described main shaft，Described crushing rotary drum is linked together with described frame by described main shaft，Described drive mechanism include being connected to described in roll in cylinder driving roll the ring gear that cylinder rotates for axle with described main shaft、Wear and be rotationally connected with gearing shaft and the gear-box driving gearing shaft to rotate and the motor inputting power to gear-box of described main shaft，Described gearing shaft is provided with the first gear being located in described ring gear，Linked together by some planetary gears between described first gear and ring gear.
- Double-roll type sand making machine the most according to claim 1, it is characterized in that, described gear-box includes casing and is positioned at the input gear meshed together and the output gear of casing, described input gear is provided with the power input shaft stretching out described casing, described power input shaft is provided with the driven pulley being positioned at outside casing, described motor is provided with drive pulley, described drive pulley is linked together with described driven pulley by belt, and described output gear links together with described rotary gear axis.
- Double-roll type sand making machine the most according to claim 1 and 2, it is characterised in that described in roll between cylinder and main shaft formation annular seal space, described first gear, ring gear and planetary gear are all located in described annular seal space.
- Double-roll type sand making machine the most according to claim 3, it is characterised in that described main shaft is provided with the tank filler sleeve connected with described annular seal space.
- Double-roll type sand making machine the most according to claim 1 and 2, it is characterized in that, described axial one end of cylinder of rolling is provided with the opening entered for described gear ring, and described opening is removably connected with the spindle drum covering described opening, described in roll cylinder and be supported on described main shaft by described spindle drum.
- Double-roll type sand making machine the most according to claim 5, it is characterized in that, the described cylinder that rolls includes outer roller and is positioned at the roll body that the same outer roller of outer roller is detachably connected, described opening is arranged at described interior roll body, described ring gear is positioned at described roll body, and described ring gear is by being arranged in described interior roll body and wearing or hold out against the steady pin in the outer peripheral face of ring gear and link together with described interior roll body.
- Double-roll type sand making machine the most according to claim 6, it is characterized in that, together with one end of described outer roller is connected to described interior roll body cone match, it is provided with between the other end and the described interior roll body of described outer roller and drives roller beyond outer roller and interior roll body to contact with the cooperation conical surface of interior roll body and distensible ring together with being pushed against.
- Double-roll type sand making machine the most according to claim 1 and 2, it is characterized in that, described clearance adjustment mechanism includes the piston that Hydraulic Station, the cylinder body being connected to described frame and sealing are slidably connected in cylinder body, hydraulic cavities is formed between described piston and cylinder body, described hydraulic cavities is provided with fuel feed hole, described piston connects the drive rod driving the pair of crushing rotary drum deciliter, described hydraulic cavities connects has gas receiver, described Hydraulic Station to include fuel tank and by the hydraulic pump in described fuel feed hole is input to described hydraulic cavities of the hydraulic oil in fuel tank.
- Double-roll type sand making machine the most according to claim 8, it is characterized in that, also forming collection chamber between described cylinder body and described piston, described hydraulic cavities and collection chamber are positioned at the both sides of described piston, described collection chamber is provided with spill port, and described spill port is linked together with described fuel tank by oil pipe.
- Double-roll type sand making machine the most according to claim 1 and 2, it is characterized in that, described frame is provided with fixed cross beam and the balladeur train along a pair crushing rotary drum distribution arrangement slip, described clearance adjustment mechanism adjusts the gap between a pair crushing rotary drum by driving described balladeur train, the main shaft of a crushing rotary drum in the pair of crushing rotary drum supports seat supports in described frame by first, the main shaft of another crushing rotary drum supports seat supports in described balladeur train by second, one end of described fixed cross beam supports seat with described first and is fixed together, midfoot support supports seat in described second, the other end is fixed together with described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220607.5U CN205587047U (en) | 2016-03-22 | 2016-03-22 | To husky machine of roll -type system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220607.5U CN205587047U (en) | 2016-03-22 | 2016-03-22 | To husky machine of roll -type system |
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| CN205587047U true CN205587047U (en) | 2016-09-21 |
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| CN201620220607.5U Active CN205587047U (en) | 2016-03-22 | 2016-03-22 | To husky machine of roll -type system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728102A (en) * | 2016-03-22 | 2016-07-06 | 衢州市辰泰机械制造有限公司 | Double-roll type drive sand making machine |
| CN113351291A (en) * | 2021-06-05 | 2021-09-07 | 浙江辰泰机械制造有限公司 | Enhanced inner driving type double-roller sand making machine |
| CN114308217A (en) * | 2021-12-11 | 2022-04-12 | 浙江辰泰机械制造有限公司 | Anti-deviation double-roller sand making machine |
-
2016
- 2016-03-22 CN CN201620220607.5U patent/CN205587047U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728102A (en) * | 2016-03-22 | 2016-07-06 | 衢州市辰泰机械制造有限公司 | Double-roll type drive sand making machine |
| CN113351291A (en) * | 2021-06-05 | 2021-09-07 | 浙江辰泰机械制造有限公司 | Enhanced inner driving type double-roller sand making machine |
| CN114308217A (en) * | 2021-12-11 | 2022-04-12 | 浙江辰泰机械制造有限公司 | Anti-deviation double-roller sand making machine |
| CN114308217B (en) * | 2021-12-11 | 2022-12-16 | 浙江辰泰机械制造有限公司 | Anti-deviation double-roller sand making machine |
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