CN108890014B

CN108890014B - Pretreatment mechanism for mold processing

Info

Publication number: CN108890014B
Application number: CN201810992635.2A
Authority: CN
Inventors: 孔令荣; 赵大全; 贺健; 赵文浩; 赵文晓
Original assignee: Wuhu Wenqing Machinery Equipment Design Co ltd
Current assignee: Wuhu Wenqing Machinery Equipment Design Co ltd
Priority date: 2018-08-29
Filing date: 2018-08-29
Publication date: 2020-06-23
Anticipated expiration: 2038-08-29
Also published as: CN108890014A

Abstract

The invention relates to the technical field of die machining equipment, in particular to a pretreatment mechanism for die machining. The invention aims to solve the technical problem that the conventional die cutting device is not convenient for removing scrap iron. In order to solve the technical problem, the invention provides a pretreatment mechanism for die processing, which comprises a case, wherein four right-angle positions at the bottom of the case are fixedly connected with supporting legs, the top of the inner wall of the case is provided with a cutting mechanism, two sides in the case and corresponding to outlets of the cutting mechanism are respectively provided with a material conveying mechanism, and two sides in the case and corresponding to discharge holes of the two material conveying mechanisms are respectively provided with a chip removing mechanism. According to the metal block cleaning device, when the cut metal block enters between the two groups of cleaning sleeves, the two groups of cleaning sleeves can rotate in opposite directions, so that the periphery of the metal block can be cleaned, metal burrs on the surface of the metal block can be removed in the rotating process, and the damage of the metal block to the palm of a worker can be reduced.

Description

Pretreatment mechanism for mold processing

Technical Field

The invention relates to the technical field of die processing equipment, in particular to a preprocessing mechanism for die processing.

Background

In the process of processing the die, the metal object is generally melted and then shaped, but before melting, in order to control the metal amount and facilitate the feeding, the metal material needs to be cut into blocks in advance.

However, in the actual operation process, after the metal block is cut, a large amount of scrap iron is adhered to the metal block, a large amount of cutting scraps are remained at the cutting position, when a worker touches the metal block with a hand, the hand is easy to be cut, although the worker generally wears gloves, the scrap iron can directly puncture the gloves, and finally the palm can be cut.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pretreatment mechanism for die processing, which solves the problem that the conventional die cutting device is not convenient to remove scrap iron.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a pretreatment mechanism is used in mould processing, includes quick-witted case, the equal fixedly connected with supporting leg in four right angles departments of chassis bottom, the top of machine incasement wall is provided with dicing mechanism, the both sides of machine incasement portion and corresponding export at dicing mechanism all are equipped with and pass material mechanism, the both sides of machine incasement portion and corresponding two discharge gates that pass material mechanism all are equipped with antidandruff mechanism, the bottom of machine incasement portion and the both sides that are located two antidandruff mechanisms respectively all are equipped with air-blast mechanism.

Preferably, the dicing mechanism comprises an installation box, the top of the installation box is fixedly connected with the top of the inner wall of the chassis, the top of the inner wall of the installation box is fixedly connected with a driving motor, the output end of the driving motor is sleeved with a driving gear, the driving gear is meshed with a driven gear below the driving gear, a rotating rod is inserted in the axis of the driven gear, two ends of the rotating rod respectively penetrate through two sides of the installation box and extend to the outside of the installation box, two ends of the rotating rod are sleeved with driving wheels, the driving wheels are in transmission connection with driven wheels below the driving wheels through belts, the axis of the two driven wheels is penetrated through by a rotating shaft, two ends of the rotating shaft are respectively inserted in bearings embedded in two sides of the inner wall of the installation box, two chips are sleeved on the rotating shaft, the cutting edges of the chips extend out of a notch formed in the bottom of the installation box, and material sleeves are inserted, the left side and the right side of the front side and the rear side of the inner wall of the case are connected through the cutting plates, the cutting plates are correspondingly arranged at the outlets of the material sleeves, and one sides of the two cutting plates, which are opposite, are connected through the material distributing sleeve.

Preferably, the material conveying mechanism comprises a main double-belt pulley and a secondary double-belt pulley, movable shafts are inserted into the axes of the main double-belt pulley and the secondary double-belt pulley respectively, two ends of each movable shaft are movably connected with the front side and the rear side of the inner wall of the case respectively, the main double-belt pulley is in transmission connection with the secondary double-belt pulleys through a conveying belt, two ends of the rotating rod are sleeved with a worm sleeve A, the worm sleeve A is meshed with a turbine A below the worm sleeve A, a turbine shaft is inserted into the axis of the turbine A, two ends of the turbine shaft are respectively in movable connection with the front side and the rear side of the inner wall of the case, a transmission wheel is sleeved on the turbine shaft, and the transmission wheel is in transmission connection with the secondary double-belt pulley below the transmission wheel.

Preferably, the chip removing mechanism comprises a chip removing box, one side of the chip removing box is fixedly connected with one side of the inner wall of the case, the upper and lower ends of the two sides of the inner wall of the chip removing box are respectively and fixedly connected with one side of the surfaces of four limit bearings through coupling shafts, the four limit bearings are in a group of two and are respectively penetrated through by two vertical shafts, cleaning sleeves are sleeved on the vertical shafts and positioned between the two limit bearings, worm sleeves B and driven linkage wheels are respectively sleeved at the top ends of the two vertical shafts, a worm sleeve C is sleeved at one end of the rotating rod and one side far away from the worm sleeve A, the worm sleeve C is meshed with a turbine B below the worm sleeve C, a turbine rod is inserted in the axis of the turbine B, the two ends of the turbine rod are respectively and movably connected with the front side and the rear side of the inner wall of the case, a main driving wheel is sleeved on the turbine rod, and the main driving wheel is in transmission connection with the driven, the supporting shaft penetrates through the axis of the driving wheel, two ends of the supporting shaft are movably connected with the front side and the rear side of the inner wall of the case respectively, the supporting shaft is sleeved with a turbine C, the turbine C is meshed with a worm sleeve B, a discharging pipe is inserted into an opening in the bottom of the chip removing case, and the bottom end of the discharging pipe penetrates through the bottom of the case and extends to the lower side of the case.

Further preferably, the blowing mechanism comprises a fan blade shaft, the bottom end of the fan blade shaft is inserted into a bearing embedded at the bottom of the inner wall of the case, the periphery of the side surface of the fan blade shaft is fixedly connected with air plates, the top end of the fan blade shaft is sleeved with a main linkage wheel, the main linkage wheel is in transmission connection with the auxiliary linkage wheel through a linkage belt, the top end of the fan blade shaft is sleeved with a worm sleeve D, the main double belt wheels are in transmission connection with a rotating wheel below the main double belt wheels through rotating belts, rotating rods are inserted in the axes of the rotating wheels, two ends of the rotating rod are respectively movably connected with the front side and the rear side of the inner wall of the case, the rotating rod is sleeved with a turbine D, turbine D and worm cover D mesh, the ventilation hole has been seted up to one side of antidandruff case, one side of antidandruff case just surrounds fixedly connected with collection wind cover all around in the ventilation hole, and the aerofoil is located the air intake of collection wind cover.

Further preferably, the cutting plate is inclined at an angle of 15 °.

Preferably, the material distributing sleeve is sleeved with a material distributing shifting piece.

Further preferably, the length of the slicing blade extending to the lower part of the installation box is between 4cm and 5 cm.

(III) advantageous effects

The invention provides a pretreatment mechanism for die processing, which has the following beneficial effects:

(1) the metal that the mould was used can be cut into pieces through the section to at the in-process of cutting, two sections can go on simultaneously, have improved the job schedule, if the metal strip is longer, can make two sections respectively simultaneously to two position cutting of metal strip, the size of control metal strip on the one hand, on the other hand can increase the point of application of force to the metal strip, thereby can make the metal strip stably cut.

(2) The conveyor belt can convey the metal blocks after cutting to the next link, and at the moment, the metal blocks can be taken out manually without workers, so that the hands of the workers can be prevented from being damaged, the temperature of the metal blocks which are just cut is high, the hands of the workers can be easily scalded, and at the moment, the protective capacity of the workers can be improved.

(3) When the metal block after cutting gets into between two sets of clean covers, two sets of clean covers can rotate with opposite direction to can clean around the metal block, because the brush on the clean cover has certain hardness, for this reason at the pivoted in-process, can get rid of the metal burr on metal block surface, thereby can reduce the damage of metal block to the staff palm.

(4) When the aerofoil rotates, the internal blowing of the scrap removing box can be achieved through the wind collecting sleeve and the ventilation hole, at the moment, the metal block can receive certain wind power in the scrap removing process of the cleaning sleeve, the scrap iron on the surface of the metal block can be blown by the wind power, the scrap iron can be conveniently separated from the metal block, the scrap iron can be blown away from the metal block, and the temperature of the metal block can be reduced in the blowing process of the metal block.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

fig. 2 is a front view of the structure of the present invention.

In the figure: 1 chassis, 2 supporting legs, 3 cutting mechanisms, 301 installation box, 302 driving motor, 303 driving gear, 304 driven gear, 305 rotating rod, 306 driving wheel, 307 belt, 308 driven wheel, 309 rotating shaft, 310 cutting piece, 311 material sleeve, 312 cutting plate, 313 material separating sleeve, 314 material separating sheet, 4 material conveying mechanism, 41 main double belt wheel, 42 secondary double belt wheel, 43 movable shaft, 44 conveying belt, 45 worm sleeve A, 46 turbine A, 47 turbine shaft, 48 driving wheel, 49 driving belt, 5 chip removing mechanism, 501 chip removing box, 502 coupling shaft, 503 limit bearing, 504 vertical shaft, 505 cleaning sleeve, 506 worm sleeve B, 507 secondary coupling wheel, 508 worm sleeve C, 509 turbine B, 510 worm wheel rod, 511 worm driving wheel, 512 driving belt, 513 secondary driving wheel, 514 supporting shaft, 515 material discharging pipe turbine C, 516 main coupling wheel, 517 coupling belt, 518 air blowing mechanism, 6 fan blade shaft, 61 fan plate, 63 air plate sleeve D, 64 rotating belts, 65 rotating wheels, 66 rotating wheels, 67 turbine D, 68 vent holes, 69 windcollecting jackets.

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. 1-2, the present invention provides a technical solution: a pretreatment mechanism for mold processing comprises a chassis 1, four right angles at the bottom of the chassis 1 are fixedly connected with supporting legs 2, the top of the inner wall of the chassis 1 is provided with a cutting mechanism 3, the cutting mechanism 3 comprises an installation box 301, the top of the installation box 301 is fixedly connected with the top of the inner wall of the chassis 1, the top of the inner wall of the installation box 301 is fixedly connected with a driving motor 302, the output end of the driving motor 302 is sleeved with a driving gear 303, the driving gear 303 is meshed with a driven gear 304 below the driving gear 303, a rotating rod 305 is inserted at the axle center of the driven gear 304, two ends of the rotating rod 305 respectively penetrate through two sides of the installation box 301 and extend to the outside of the installation box, two ends of the rotating rod 305 are respectively sleeved with driving wheels 306, the driving wheels 306 are in transmission connection with driven wheels 308 below the driving wheels through belts 307, the axle centers of the two driven wheels 308 are penetrated through a rotating shaft 309, two ends, two cutting plates 310 are sleeved on the rotating shaft 309, the cutting edges of the cutting plates 310 extend out of a notch formed in the bottom of the installation box 301, the length of the cutting edges of the cutting plates 310 extending to the lower portion of the installation box 301 is 4cm-5cm, the metal strips can be cut off just by the extending length of the cutting blades, the mechanism can be suitable for metal materials of most sizes, if the metal materials are thick, the mechanism can be used only after improvement, material sleeves 311 are inserted into two sides of the case 1, the left side and the right side of the front side and the rear side of the inner wall of the case 1 are connected through cutting plates 312, the inclination angle of the cutting plates 312 is 15 degrees, metal blocks subjected to block cutting are arranged on the cutting plates 312 in an inclined mode, the metal blocks can slide downwards along a sliding slope, the cutting plates 312 can smoothly move to the next link, the cutting plates 312 are correspondingly arranged at the outlet of the material sleeves 311, one opposite sides of the two cutting plates 312 are, after the metal blocks enter the material distributing sleeve 313, the sliding direction of the metal blocks can be changed by the distributing sheet 314, so that a plurality of metal blocks in the metal blocks can respectively slide from two sides of the material distributing sleeve 313, and can smoothly fall onto the two conveyor belts 44, the metal for manufacturing the mold can be cut into blocks by the cutting sheets 310, in the cutting process, the two cutting sheets 310 can be simultaneously carried out, the working progress is improved, if the metal strip is longer, the two cutting sheets 310 can respectively and simultaneously cut two positions of the metal strip, on one hand, the size of the metal strip is controlled, on the other hand, the force application point of the metal strip can be increased, so that the metal strip can be stably cut, the material conveying mechanisms 4 are respectively arranged at two sides in the case 1 and correspond to the outlets of the block cutting mechanisms 3, the material conveying mechanisms 4 comprise a main double belt pulley 41 and a secondary double belt pulley 42, movable shafts 43 are respectively inserted at the axle centers of the main double belt pulley 41 and the secondary double belt pulley 42, two ends of two movable shafts 43 are respectively movably connected with the front side and the rear side of the inner wall of the case 1, a main double belt pulley 41 is in transmission connection with a secondary double belt pulley 42 through a transmission belt 44, two ends of a rotating rod 305 are respectively sleeved with a worm sleeve A45, a worm sleeve A45 is meshed with a turbine A46 below the worm sleeve A, a turbine shaft 47 is inserted in the axis of the turbine A46, two ends of the turbine shaft 47 are respectively movably connected with the front side and the rear side of the inner wall of the case 1, a transmission wheel 48 is sleeved on the turbine shaft 47, the transmission wheel 48 is in transmission connection with the secondary double belt pulley 42 below the worm sleeve A through a transmission belt 49, the transmission belt 44 can transmit the cut metal blocks to the next link, at the moment, the metal blocks can be removed without being manually by a worker, so that the hands of the worker can be prevented from being damaged, and the temperature of the metal blocks which are just cut is high, the hands, two sides in the case 1 and corresponding to the discharge ports of the two material conveying mechanisms 4 are respectively provided with a chip removing mechanism 5, each chip removing mechanism 5 comprises a chip removing case 501, one side of each chip removing case 501 is fixedly connected with one side of the inner wall of the case 1, the upper and lower ends of the two sides of the inner wall of each chip removing case 501 are respectively fixedly connected with one side of the surface of each limit bearing 503 through a coupling shaft 502, two limit bearings 503 are respectively penetrated through by two vertical shafts 504 in a group, a cleaning sleeve 505 is sleeved on each vertical shaft 504 and positioned between the two limit bearings 503, the top ends of the two vertical shafts 504 are respectively sleeved with a worm sleeve B506 and a driven linkage wheel 507, one end of a rotating rod 305 and the side far away from the worm sleeve A45 are respectively sleeved with a worm sleeve C508, the worm sleeve C508 is meshed with a turbine B509 below the worm sleeve, a turbine rod 510 is inserted at the axial center of the turbine B509, the two ends of the turbine rod 510 are respectively movably connected with the front and the back sides of the, the main driving wheel 511 is in transmission connection with a driven driving wheel 513 below the main driving wheel 511 through a driving belt 512, a supporting shaft 514 is inserted in the axis of the driven driving wheel 513, two ends of the supporting shaft 514 are respectively movably connected with the front side and the rear side of the inner wall of the case 1, a turbine C515 is sleeved on the supporting shaft 514 and meshed with a worm sleeve B506, a discharge pipe 518 is inserted in an opening in the bottom of the scrap removing case 501, the bottom end of the discharge pipe 518 penetrates through the bottom of the case 1 and extends to the lower side of the case 1, when a cut metal block enters between the two groups of cleaning sleeves 505, the two groups of cleaning sleeves 505 rotate in opposite directions, so that the periphery of the metal block can be cleaned, due to the fact that brushes on the cleaning sleeves 505 have certain hardness, metal burrs on the surface of the metal block can be removed in the rotating process, the palm damage of a worker caused by the metal block can be reduced, blowing mechanisms 6 are respectively arranged at the bottom in the case 1, the blowing mechanism 6 comprises a fan blade shaft 61, the bottom end of the fan blade shaft 61 is inserted in a bearing embedded at the bottom of the inner wall of the case 1, the periphery of the side surface of the fan blade shaft 61 is fixedly connected with an air plate 62, the top end of the fan blade shaft 61 is sleeved with a main linkage wheel 516, the main linkage wheel 516 is in transmission connection with a secondary linkage wheel 507 through a linkage belt 517, the top end of the fan blade shaft 61 is sleeved with a worm sleeve D63, a main double belt wheel 41 is in transmission connection with a lower rotating wheel 65 through a rotating belt 64, a rotating rod 66 is inserted at the axis of the rotating wheel 65, two ends of the rotating rod 66 are respectively in movable connection with the front side and the rear side of the inner wall of the case 1, the rotating rod 66 is sleeved with a turbine D67, the turbine D67 is engaged with the worm sleeve D63, one side of the chip removing case 501 is provided with a vent hole 68, one side of the chip removing case 501 is fixedly connected with a wind collecting sleeve 69 surrounding the periphery of the vent, can make through album wind cover 69 and ventilation hole 68 to the inside air blast of dandruff box 501, at this moment, the metal block can receive certain wind-force at the in-process by clean cover 505 dandruff, and iron fillings on metal block surface can be blown to this wind-force, make things convenient for iron fillings to break away from the metal block fast to can blow away iron fillings, the metal block is at the in-process that is blown moreover, can reduce the temperature of metal block.

The working principle is as follows: the driving motor 302 is started, the rotating rod 305 can be driven to rotate through the driving gear 303 and the driven gear 304, then the rotating shaft 309 inserted in the driven gear 308 is driven to rotate through the driving gear 306 and the belt 307, at this time, the slicing piece 310 rotates along with the rotating rod, the metal block is inserted in the material sleeve 311, slides down to the slicing plate 312 and is cut off, the worm sleeve a45 drives the driving wheel 48 to rotate through the turbine wheel a46, at this time, the driving wheel 48 drives the driven double-belt pulley 42 to rotate through the driving belt 49, the driving belt 44 can be rotated in cooperation with the use of the main double-belt pulley 41, so that the cut metal material can be conveyed, the worm sleeve C508 drives the main driving wheel 511 to rotate through the turbine wheel B509, the driven wheel 513 can be rotated in cooperation with the use of the driving belt 512, at this time, the turbine wheel C515 drives the vertical shaft 504 inserted in the worm sleeve B506 to rotate, and the main double-belt pulley 41 drives the rotating wheel, the dwang 66 can drive turbine D67 and rotate, at this moment, the use of worm cover D63, can make fan blade axle 61 rotate, and then aerofoil 62 can rotate and to the interior blast of wind-collecting cover 69, and fan blade axle 61 can drive another vertical axis 504 who alternates from the universal driving wheel 507 through main linkage wheel 516 and universal driving chain 517 and rotate moreover, and at this moment, two clean cover 505 can rotate with opposite direction, and finally, the metal block can be discharged in discharging pipe 518.

Claims

1. The utility model provides a mould processing is with preliminary treatment mechanism, includes quick-witted case (1), its characterized in that: the cutting machine is characterized in that supporting legs (2) are fixedly connected to four right-angle positions at the bottom of the machine case (1), a cutting mechanism (3) is arranged at the top of the inner wall of the machine case (1), material conveying mechanisms (4) are arranged on two sides inside the machine case (1) and corresponding to outlets of the cutting mechanisms (3), scrap removing mechanisms (5) are arranged on two sides inside the machine case (1) and corresponding to outlets of the two material conveying mechanisms (4), air blowing mechanisms (6) are arranged on two sides of the bottom inside the machine case (1) and respectively positioned on the two scrap removing mechanisms (5), each cutting mechanism (3) comprises an installation box (301), the top of the installation box (301) is fixedly connected with the top of the inner wall of the machine case (1), a driving motor (302) is fixedly connected to the top of the inner wall of the installation box (301), and a driving gear (303) is sleeved at the output end of the driving motor (, the driving gear (303) is meshed with a driven gear (304) below the driving gear, a rotating rod (305) is inserted at the axis of the driven gear (304), two ends of the rotating rod (305) respectively penetrate through two sides of the installation box (301) and extend to the outside of the installation box, driving wheels (306) are respectively sleeved at two ends of the rotating rod (305), the driving wheels (306) are in transmission connection with driven wheels (308) below the driving wheels through belts (307), the axis of the two driven wheels (308) is penetrated through by a rotating shaft (309), two ends of the rotating shaft (309) are respectively inserted in bearings embedded at two sides of the inner wall of the installation box (301), two cutting sheets (310) are sleeved on the rotating shaft (309), the cutting edges of the cutting sheets (310) extend out of notches formed in the bottom of the installation box (301), material sleeves (311) are inserted at two sides of the machine box (1), the left side and the right side of the front side and the back side of the inner wall of the machine box (1) are connected through cutting, the cutting plates (312) are correspondingly arranged at an outlet of the material sleeve (311), one side of each cutting plate (312) is connected with the corresponding side of the corresponding cutting plate through the material distributing sleeve (313), the material conveying mechanism (4) comprises a main double-belt pulley (41) and a secondary double-belt pulley (42), movable shafts (43) penetrate through the axes of the main double-belt pulley (41) and the secondary double-belt pulley (42), the two ends of each movable shaft (43) are respectively movably connected with the front side and the rear side of the inner wall of the case (1), the main double-belt pulley (41) is in transmission connection with the secondary double-belt pulley (42) through a conveying belt (44), sleeves A (45) are sleeved at the two ends of a rotating rod (305), the worm sleeves A (45) are engaged with a turbine A (46) below the worm sleeves A (45), a turbine shaft (47) penetrates through the axis of the turbine A (46), the two ends of the turbine shaft (47) are respectively movably connected with the front side and the rear side of the inner wall of the case, the device is characterized in that a driving wheel (48) is sleeved on the turbine shaft (47), the driving wheel (48) is in transmission connection with a driven double-belt pulley (42) below the driving wheel through a transmission belt (49), the chip removing mechanism (5) comprises a chip removing box (501), one side of the chip removing box (501) is fixedly connected with one side of the inner wall of the case (1), the upper end and the lower end of the two sides of the inner wall of the chip removing box (501) are respectively fixedly connected with one side of the surfaces of four limiting bearings (503) through coupling shafts (502), the four limiting bearings (503) are in a group of two and are respectively penetrated through by two vertical shafts (504), a cleaning sleeve (505) is sleeved on each vertical shaft (504) and positioned between the two limiting bearings (503), the top ends of the two vertical shafts (504) are respectively sleeved with a worm sleeve B (506) and a driven linkage wheel (507), a sleeve C (508) is sleeved on one end of the rotating rod (305) and one side far away from the sleeve A (, the worm sleeve C (508) is meshed with a turbine B (509) below the worm sleeve C, a turbine rod (510) is inserted at the axial center of the turbine B (509), two ends of the turbine rod (510) are respectively movably connected with the front side and the rear side of the inner wall of the case (1), the turbine rod (510) is sleeved with a main driving wheel (511), the main driving wheel (511) is in transmission connection with a driven driving wheel (513) below the main driving wheel through a driving belt (512), a support shaft (514) is inserted into the axis of the driven wheel (513), two ends of the support shaft (514) are respectively movably connected with the front side and the rear side of the inner wall of the case (1), a turbine C (515) is sleeved on the supporting shaft (514), the turbine C (515) is meshed with the worm sleeve B (506), the opening at the bottom of the scrap removing box (501) is internally inserted with a discharge pipe (518), and the bottom end of the discharge pipe (518) penetrates through the bottom of the case (1) and extends to the lower part of the case.

2. The pretreatment mechanism for mold processing according to claim 1, wherein: the blowing mechanism (6) comprises a fan blade shaft (61), the bottom end of the fan blade shaft (61) is inserted into a bearing embedded in the bottom of the inner wall of the case (1), wind boards (62) are fixedly connected to the periphery of the side surface of the fan blade shaft (61), a main linkage wheel (516) is sleeved on the top end of the fan blade shaft (61), the main linkage wheel (516) is in transmission connection with a slave linkage wheel (507) through a linkage belt (517), a worm sleeve D (63) is sleeved on the top end of the fan blade shaft (61), a main double belt wheel (41) is in transmission connection with a rotating wheel (65) below the main linkage wheel through a rotating belt (64), a rotating rod (66) is inserted in the axis of the rotating wheel (65), the two ends of the rotating rod (66) are movably connected with the front side and the rear side of the inner wall of the case (1) respectively, a turbine D (67) is sleeved on the rotating rod (66), and the turbine D (67) is meshed with the worm sleeve D (63), vent hole (68) have been seted up to one side of antidandruff case (501), one side of antidandruff case (501) and surround fixedly connected with wind collection cover (69) all around in vent hole (68), and aerofoil (62) are located the air intake of wind collection cover (69).

3. The pretreatment mechanism for mold processing according to claim 1, wherein: the cutting plate (312) is inclined at an angle of 15 degrees.

4. The pretreatment mechanism for mold processing according to claim 1, wherein: a distributing and shifting sheet (314) is sleeved in the distributing sleeve (313).

5. The pretreatment mechanism for mold processing according to claim 1, wherein: the length of the cutting edge of the cutting blade (310) extending to the lower part of the installation box (301) is between 4cm and 5 cm.