CN207402894U

CN207402894U - A kind of magnetic attraction damping fin magnetizes and blanking units

Info

Publication number: CN207402894U
Application number: CN201721084667.XU
Authority: CN
Inventors: 刘福; 潘乐; 窦正平; 傅昌宏
Original assignee: Lian Hong Synthetic Materials Co Ltd Of Ma'an Mountain
Current assignee: Lian Hong Synthetic Materials Co Ltd Of Ma'an Mountain
Priority date: 2017-08-28
Filing date: 2017-08-28
Publication date: 2018-05-25
Anticipated expiration: 2027-08-28

Abstract

It magnetizes the utility model discloses a kind of magnetic attraction damping fin and blanking units, belongs to car damping technical field.The magnetic attraction damping fin of the utility model magnetizes and blanking units, including magnetize mechanism and the stamping cutting machine structure by array of procedures；Wherein：The mechanism that magnetizes is including magnetize frame, the conveyer belt that magnetizes, magnetize roller and pressing plate；Magnetize roller both ends by being detachably fixed connection with the frame that magnetizes；The two side ends of pressing plate are also and the frame that magnetizes is detachably fixed connection；Stamping cutting machine structure includes two platforms of punching conveyer belt both sides, keeps flat and is fixed on the stamping station of two platform medial surfaces and lift height adjustment mechanism and the punching conveyer belt through stamping cutting machine structure transmission magnetic attraction damping fin.The utility model solves the problems, such as that pitch class damping sheet is although at low cost but pernicious gas is more, substitute is of high cost, Acceptable life is poor, flash is serious not in time and when cutting for dehydration, conveyer belt service life is short.

Description

A kind of magnetic attraction damping fin magnetizes and blanking units

Technical field

The utility model is related to car damping technical fields more particularly to a kind of magnetic attraction damping fin to magnetize and be punched dress It puts.

Background technology

Shock material is widely used in weakening in automobile application vibration and the sound of road noise and engine. For damping material, viscoelastic material is preferred.With the relevant damping effect of energy that is consumed in viscoelastic material with It the increase of the Young amount of touching and the loss factor of viscoelastic material and increases.Certainly, it also as the deformation that material is born and Increase.Some materials have high loss factor but the low Young amount of touching, and provide metallic plate limited damping, other materials Equally it is not very good as damped part with the high Young amount of touching but relatively low loss factor (for example, rubber).It is good Good damping material provides the compromise between the Young amount of touching and loss factor.

At present, most of automobiles use traditional pitch damping sheet, and pitch is a kind of organic substance as a form of gel of brownish black, bag Include four kinds of bitumen, asphalt, shale tar pitch and coal tar asphalt etc..In pitch and its flue gas main component for phenols, Main component is phenols, compound, anthracene, naphthalene, pyridine etc. to mucocutaneous tool irritation, drip in compound, pitch and its flue gas Blue or green damping sheet has stronger carcinogenesis to people, this can endanger the health of personnel, therefore how reduce these harmful components Influence is the eternal problem that technical staff faces.

, it is necessary to which the cooling and punching press of adaptation cut dress for the magnetic attraction damping fin made by good damping material It puts, because the damping fin that general cutting means are cut often has flash, moreover, when being cut for the good damping fin of viscoplasticity, Belt can be caused to damage toward contact and influence its service life.

Through retrieval, Chinese patent application, publication number：CN105602233A, publication date：2016.05.25, one kind is disclosed Economic and environment-friendly high damping properties damping sheet, including following raw material：Polyurethane elastomer, flyash, mica, hydrogenation C5 oil trees Fat, glass fibre, carbon black, antiaging agent, antioxidant, mass ratio are：200-250；410-500；400-475； 40-80； 4-10；20-100；5；5, which, as functional damping filler, is turned waste into wealth using waste coal ash, and used The polyurethane of environmental protection replaces harmful pitch, and energy-saving and emission-reduction, ecological, environmental protective, production cost is low, and the cycle is short, production technology science, Easy to make, product has good damping, deadening, and damped coefficient is high, and ageing resistance ability is strong.But polyurethane is embedding Section copolymer and other materials such as mica (hard section), Petropols (soft segment) etc. combine force difference, are easily layered and cause effective Service life is short.

Utility model content

1. utility model technical problems to be solved

For existing in the prior art, pitch class damping sheet is although at low cost but pernicious gas is more, substitute is of high cost, has Effect service life is poor, dehydration the problem of flash is seriously, conveyer belt service life is short not in time and when cutting, and the utility model carries A kind of magnetic attraction damping fin has been supplied to magnetize and blanking units.It is set by pressing plate damping sheet surface moisture squeezing water outlet, and And reduce asphalt content, the other dispensing processing methods of optimization in damping board mixture in batches, reaching reduces damping sheet application risk Purpose；And pass through cooling and to the comprehensive accommodation of cutting die, achieve the purpose that when magnetic attraction damping fin is cut without flash.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model is：

A kind of magnetic attraction damping fin magnetizes and blanking units, including the mechanism that magnetizes, air cooling mechanism and the punching by array of procedures Press cutting mechanism；Wherein：The mechanism that magnetizes is including magnetize frame, the conveyer belt that magnetizes, magnetize roller and pressing plate, the conveyer belt that magnetizes The reciprocating surface for being laid in the frame that magnetizes；The both ends of the roller that magnetizes are suspended from and fill by being detachably fixed connection with the frame that magnetizes Above magnetic conveyer belt；The two side ends of the pressing plate are also and the frame that magnetizes is detachably fixed connection, the front end of pressing plate close to the roller that magnetizes, and Reserved magnetic attraction damping fin can by gap, cooling water extrusion dehydration on magnetic attraction damping fin surface can be by pressing plate The water absorbent surface of lower step and drying lay the first stone；The air cooling mechanism includes air cooled box, hair-dryer and air-cooled conveyer belt；It is described Hair-dryer is fixed in air cooled box, and is buckled on the surface of air-cooled conveyer belt；The end of the air-cooled conveyer belt and punching are defeated Band is sent to be connected by the magnetic attraction damping fin in conveying, and magnetic attraction damping fin is passed into punching conveyer belt, passes through Air cooler Structure is punched again after magnetic attraction damping fin is cooled down, adhesion of the magnetic attraction damping fin to blade when being punched with reducing, and is kept away as far as possible Exempt from the generation of flash；The stamping cutting machine structure includes two platforms of punching conveyer belt both sides, keeps flat and be fixed on two branch The stamping station and lift height adjustment mechanism of platform medial surface and through the stamping cutting machine structure transmit magnetic attraction damping fin Punching conveyer belt；The stamping station connects the cutting die detachably installed stamping station bottom by lift height adjustment mechanism, Adaptability adjusting is carried out to the punching shear depth and thickness of cutting die by lift height adjustment mechanism, acts on magnetic attraction damping fin Afterwards, lifting travel can be shortened, and punching is avoided excessively to injure conveyer belt.

Further technical solution, the pressing plate are 2, are set in the both sides for the roller that magnetizes in "eight" shape skew symmetry, double Face pressure water improves efficiency；The air-cooled upper box part is open opening, and filter is fixedly connected in opening, stops that foreign matter drops Enter hair-dryer；The wind direction downward blow-through magnetic attraction damping fin of the hair-dryer while cooling, ensures that heat dries the secured of overlay film Property；The lift height adjustment mechanism is arranged at 4 lifting screws of the stamping station corner for symmetrical expression, can be put down with corner Weighing apparatus formula adjusts lifting, to ensure the balance in punching face；The bottom of the front end of the punching conveyer belt is provided with damping fin induction machine Structure, undamped piece by when, can notify control mechanism stop punching, avoid cutting die cut-in without ball damage conveyer belt.

Further technical solution, the stamping cutting machine structure, which further includes, is respectively arranged at stamping station front and rear sides, punching 2 cutting die width adjustment mechanisms directly over conveyer belt, are adjusted correspondingly according to cutting die specification, improve the general of device Property；The mechanism that magnetizes further includes several suction rolls, and both ends and being fixed on are magnetized on frame, are symmetrically set on conveyer belt magnetizing It puts, and the preset clearance between the conveyer belt that magnetizes；The magnetize bottom of conveyer belt is additionally provided with carrying roller, and cooperation pressing plate will squeeze out Moisture blot.

Further technical solution, cutting die width adjustment mechanism include cylinder, leading screw, ball-type width adjusting frame, positioning Frame, cutting die accept fixed frame and screw hole block, the ball-type width adjusting frame are fixed on stamping station side；The leading screw passes through Ball-type width adjusting frame, and both ends extend to the left and right centered on ball-type width adjusting frame, the two-part silking in left and right is anti- To setting, the both ends of leading screw are each passed through respective screw hole block；Each screw hole block is both secured to respective cutting die and accepts fixed frame It is interior；The positioning framework is in downwardly open frame shape, is buckled to the top that fixed frame is accepted in cutting die, and the top of positioning framework is set Cylinder after the telescopic rod in the cylinder accepts fixed frame through positioning framework and cutting die, acts on screw hole block, entire cutting die is wide It is easy to operate to spend adjusting mechanism, accurate positioning, the positioning comprehensive to cutting die and fixation, when punching reduces flash as far as possible It generates, and further avoids damage of the blade to conveyer belt.

Further technical solution, cutting die include the blade being fixedly connected on substrate and substrate；It is covered with around blade With blade uniform thickness, and the spongy layer on substrate is fixed on, in punching, blade can be cleared up, and can be in spongy layer The a small amount of lubricating oil of middle sprinkling, to keep the cleaning of the edge of a knife and lubrication, is further reduced the generation of flash；The cutting die is accepted solid Determine the bottom of frame, be inside provided with the card slot of screens cutting die, conveniently the screens to cutting die, the replacement of cutting die are more convenient；The punching The breaking strength of conveyer belt is more than 20Mpa, and elongation rate of tensile failure is more than 400%, suitable for the magnetic attraction damping fin of the utility model.

The production technology that a kind of magnetic attraction damping fin magnetizes with blanking units, step are：

Step 1: the dispensing of magnetic attraction damping fin：Component includes the magnetic powder of 300~400 parts by weight, 200~300 parts by weight Calcium powder, the pitch of 70~80 parts by weight, the mica powder of 65~75 parts by weight, the asphalt modifier of 30~50 parts by weight, 8~12 The fiber of the softening agent of parts by weight, 3~5 parts by weight；The calcium powder is the ultra-fine light calcium carbonate powder of 0.5~1 μm of grain size；After magnetic powder magnetizes With pressing plate mating reaction, the extruding efficiency of pressing plate can be improved；In dispensing, the dosage of pitch only accounts for less than 10%, is applied to vapour When in vehicle, the generation of pernicious gas greatly reduces, and is removed after through ventilation after a while, then removes most residual Smell, so as to reduce the application risk of damping sheet.Pitch is used cooperatively after ultra-fine light calcium carbonate powder softening, can be improved and pitch Bond strength (improved by the polymerizing power of superfine powder and the combination power of pitch) avoids point during use after tabletting Layer；

Step 2: the production of magnetic attraction damping fin blank：

1st, pitch softens：Pitch input kneader heating softening is stirred into fluid；

2nd, stir：Asphalt modifier and softening agent are put into kneader stirring successively in order；

3rd, fiber crushes：Kneader is put into step (2) whipping process, after fiber is crushed to continue to stir；

4th, calcium powder adds in：Calcium powder, magnetic powder, mica powder input kneader are continued to stir；

5th, squeeze out：After stirring, it is transferred to extruder and squeezes out and generate magnetic attraction damping fin with to roll tablet；

Step 3: it magnetizes：Magnetic attraction damping fin is magnetized by the mechanism that magnetizes；

Step 4: cooling：After overlay film, heat dry sizing, air cooled box is transferred to by air-cooled conveyer belt again for magnetic attraction damping fin, Start hair-dryer, during conveying, air-cooled cooling is carried out to magnetic attraction damping fin；

Step 5: it transfers：Magnetic attraction damping fin is delivered on punching conveyer belt by air-cooled conveyer belt；

Step 6: punching：Start the lower section that magnetic attraction damping fin is brought into cutting die by punching conveyer belt；

1st, cutting die is inserted：Cutting die is inserted between two opposite 4 cutting dies undertaking fixed frames；

2nd, width adjusting：The round handle of swing roller formula width adjusting frame, the leading screw of the anti-silk in both ends drive cutting die to accept Fixed frame moves toward one another, and is clamped until by the two side ends of cutting die；

3rd, cylinder starts：Start cylinder, Telescopic-cylinder bar drives cutting die to accept fixed frame to rise, until by the upper table of cutting die Face and the bottom of lifting screw are in close contact；

4th, thickness is adjusted：The thickness of magnetic attraction damping fin cutting is adjusted by rotation and lifting screw rod；

5th, stamping cutting machine structure starts：Stamping cutting machine structure combines punching conveyer belt transfer rate by its numerical control tank and sets Upper and lower punching press frequency carries out magnetic attraction damping fin to strike out monomer damping fin.

Further production technology, the making step of ultra-fine light calcium carbonate powder is in step 1：

1st, reactant generates：Sodium carbonate and calcium chloride are subjected to metathesis reaction generation precipitation of calcium carbonate, filter to obtain carbonic acid Calcium coarse powder；

2nd, mix：Calcium carbonate coarse powder, dispersant and water are sufficiently mixed as lyophilized presoma；

3rd, it is quick-frozen：Lyophilized presoma is tiled, and it is quick-frozen into bulk to insert quick freezing repository after mold；

4th, freeze：Lump material push-in dry storehouse is carried out being lyophilized into cellular block of material；

5th, fine grinding：Cellular block of material is sent into grinder to carry out being finely ground to ultra-fine light calcium carbonate powder.

Powder made from lyophilized technique, since its little particle and the blocks of formation can be in light crisp cellular knot Structure reduces grinding cost for the obtained of superfine powder.

Further production technology, quick freezing temperature is -38~-40 DEG C in 3 steps of step 1；The lyophilized technique is bent Line is：

A, temperature raising period：0 DEG C~100 DEG C of plate temperature, 5 DEG C/min of heating slope, 100 DEG C are kept for 20~30 minutes, are evacuated to Within 100Pa；

B, soak：Plate temperature is cooled to 80~85 DEG C/min, is kept for 30~40 minutes, vacuum control is within 80Pa；

C, the later stage：Plate temperature is cooled to 60~70 DEG C/min, is kept for 40~60 minutes, vacuum control is within 50Pa.

Further production technology, Step 1: being uniformly mixed asphalt modifier and/or softening agent in 2 blend step Quickly carry out quick-frozen after addition, each ingredient quickly positions, and avoids being layered；Add 2.5~3.0 times that water consumption is coarse powder gross weight, with Achieve the purpose that fully absorb mixing；Material spreads the thickness into mold as 5.0~6.0cm, improves sabot amount；4 steps of step 1 In rapid freeze-drying process, condenser temperature is controlled below -30 DEG C, you can achievees the purpose that effectively to catch water.

Further production technology, in step 2, step 1,1 mixing time are 5~10 minutes；Step 2 mixing time For 10~20 minutes；Step 3 particle size after cracking is below 20 mesh；Step 4 mixing time 30~40 minutes.

3. advantageous effect

Using technical solution provided by the utility model, compared with prior art, have the advantages that：

(1) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, pressing plate can be by magnetic attraction damping fins It magnetizes and the cooling water extrusion dehydration in blanking units plate face, lays the first stone for the plate face water suction and drying of lower step；Pressing plate is 2 It is a, it is set in the both sides for the roller that magnetizes in "eight" shape skew symmetry, two-sided pressure water, improves efficiency；Machine is adjusted by lift height Structure carries out adaptability adjusting to the punching shear depth and thickness of cutting die, after acting on magnetic attraction damping fin, can shorten lifting travel, And punching is avoided excessively to injure conveyer belt；In the magnetic attraction damping fin dispensing of the utility model Punching Technology, the dosage of pitch Less than the 9% of gross weight is only accounted for, when being applied in automobile, in the limited space of automobile, the generation of pernicious gas greatly reduces, should Most residual smell is removed using the ventilation of a period of time after, the use of damping sheet in the car can be substantially reduced Risk moreover, the magnetic attraction damping fin viscoelastic property of the utility model Punching Technology is good, in blanking process, is avoided that flash It generates；

(2) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, suction roll and pressing plate mating reaction, will The moisture squeezed out blots；Conveyer belt can be provided with equally distributed perforation, magnetize and be punched convenient for magnetic attraction damping fin The drying of device；The downward blow-through magnetic attraction damping fin of wind direction of hair-dryer while cooling, ensures that heat dries the secured of overlay film Property；4 lifting screws are adjusted in stamping station corner balanced type and lifted, to ensure the balance in punching face；Damping fin induction mechanism Set, undamped piece by when, can notify control mechanism stop punching, avoid cutting die cut-in without ball damage conveyer belt；Moreover, this Material the ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder of the magnetic attraction damping fin of utility model Punching Technology, two kinds of ultra-fine calcium powders and soft Pitch is used cooperatively after change, can be improved and (be improved and pitch by the polymerizing power of superfine powder with the bond strength of pitch With reference to power), avoid the layering during use after squeezing out tabletting and being punched；

(3) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, and in dispensing, the dosage of pitch only accounts for always Less than the 10% of weight, when being applied in automobile, in the limited space of automobile, the generation of pernicious gas greatly reduces, after Most residual smell is removed using the ventilation of a period of time, the use wind of damping sheet in the car can be substantially reduced Danger；Pitch is used cooperatively after ultra-fine light calcium carbonate powder and softening, can be improved with the bond strength of pitch (by the polymerization of superfine powder Ability improves and the combination power of pitch), it avoids squeezing out the layering during tabletting and use；It can be carried out according to cutting die specification Corresponding adjustment improves the versatility of device；Moreover, powder made from lyophilized technique in the making of magnetic attraction damping fin, due to it Little particle and the blocks of formation can be in light crisp honeycomb structure, then when being ground into super fine, cost drops significantly It is low；

(4) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, powder made from lyophilized technique, due to Its little particle and the blocks of formation can be in light crisp honeycomb structure, then when being ground into super fine, cost is significantly It reduces；

(5) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, in ultra-fine light calcium carbonate powder preparation process, by To be added in master is Free water, less with reference to water, so, freeze-drying process is lyophilized compared to food and medicine, freezes cost It is relatively small, from its yield rate, it is apparent that the yield rate of frozen dried food is generally below 10%, and ultra-fine light calcium carbonate powder It is lyophilized to prepare up to 50% or even more than 80%；Entire cutting die width adjustment mechanism is easy to operate, accurate positioning, to cutting die Comprehensive positioning and fixation, when punching, reduce the generation of flash as far as possible, and further avoid blade to conveyer belt Damage；

(6) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, in the lyophilized making of ultra-fine light calcium carbonate powder, Commercially available light calcium carbonate powder can be used to carry out secondary lyophilized processing, cost be at most doubled, again below the cost of general pitch, because This, ultra-fine light calcium carbonate powder substitutes part pitch, first, manufacture cost is reduced, second is that the generation of pernicious gas can be reduced, third, and cloud Female powder coordinates, and improves and the bond strength of pitch (reach effective combination of organic matter and inorganic matter)；Card slot can allow cutting die Screens it is more convenient, when replacement, is also more convenient；The magnetic attraction damping fin of the utility model, it is necessary to dedicated transport during punching Band, breaking strength are more than 20Mpa, and elongation rate of tensile failure is more than 400%, and two aspects combine, and reaches punching and is used without flash, conveyer belt The purpose of long lifespan；

(7) a kind of magnetic attraction damping fin of the utility model magnetizes and blanking units, -38~-40 DEG C and quick freezing temperature are The property that inventor combines calcium powder determines that when excessively high, ice crystal is poor to the piercing ability of particle, the micropore generated after lyophilized it is shallow and It is few；When too low, although micropore depth and quantity can be improved, production cost can be greatly improved；The setting of freeze-drying curve is invention People combines the targetedly design that the more attribute of Free water carries out, and or so 2 hours of entire freeze-drying process, freezes cost It is low；

(8) the magnetic attraction damping fin of the utility model magnetizes and blanking units, by the mixed of asphalt modifier and/or softening agent It closes and adds in, asphalt modifier and/or softening agent can be freezed positioning around micro mist, to improve in later stage whipping process and drip Blue or green combination, facilitates their effect rapid deployment, reduces the time of entire processing technology, avoid pitch old in stirring Change；

(9) production technology that a kind of magnetic attraction damping fin of the utility model magnetizes with blanking units, mixing time are compared It is greatly decreased in conventional production process, so as to reduce production cost, improves production efficiency；And by comprehensive to cutting die It adjusts and fixed, punching can be improved frequently, so as to reduce production cost, improve production efficiency, and be punched without flash.

Description of the drawings

Fig. 1 is that the magnetic attraction damping fin of the utility model magnetizes and the mechanism structure diagram that magnetizes in blanking units；

Fig. 2 magnetizes for the magnetic attraction damping fin of the utility model to be shown with air cooling mechanism in blanking units and stamping cutting machine structure It is intended to；

Fig. 3 is structure diagram after the cutting die width adjustment mechanism amplification in the utility model；

Fig. 4 is the cutting die top view in the utility model.

In figure：6th, magnetize mechanism；8th, stamping cutting machine structure；9th, it is punched conveyer belt；10th, magnetic attraction damping fin；61st, magnetize Frame；62nd, magnetize conveyer belt；64th, magnetize roller；65th, suction roll；66th, pressing plate；611st, carrying roller；81st, cutting die；82nd, platform；83rd, punching press Platform；84th, lift height adjustment mechanism；85th, cutting die width adjustment mechanism；87th, damping fin induction mechanism；88th, compression gas pipe； 811st, blade；812nd, spongy layer；851st, cylinder；852nd, leading screw；853rd, ball-type width adjusting frame；854th, positioning framework；855、 Cutting die accepts fixed frame；856th, screw hole block；8551st, card slot.

Specific embodiment

To further appreciate that the content of the utility model, the utility model is described in detail with reference to attached drawing.

Embodiment 1

The magnetic attraction damping fin of the present embodiment magnetizes and blanking units, including magnetize mechanism 6 and the punching press by array of procedures Cutting mechanism 8；Wherein：As shown in Figure 1, the mechanism 6 that magnetizes is including magnetize frame 61, the conveyer belt 62 that magnetizes, magnetize roller 64 and pressure Plate 66, the reciprocating surface for being laid in the frame 61 that magnetizes of the conveyer belt 62 that magnetizes；The both ends of the roller 64 that magnetizes by with magnetize Frame 61 is detachably fixed connection, and is suspended from 62 top of conveyer belt of magnetizing；The two side ends of the pressing plate 66 are also and the frame 61 that magnetizes is removable Unload and be fixedly connected, the front end of pressing plate 66 close to the roller 64 that magnetizes, and reserved magnetic attraction damping fin 10 can by gap, pressing plate 66 Cooling water extrusion dehydration on magnetic attraction damping fin surface can be laid the first stone for the water absorbent surface and drying of lower step；Such as Fig. 2 Shown, the stamping cutting machine structure 8 includes two platforms 82 of 9 both sides of punching conveyer belt, keeps flat and be fixed on two platforms 82 The stamping station 83 and lift height adjustment mechanism 84 of medial surface and through the stamping cutting machine structure 8 transmission magnetic attraction damping The punching conveyer belt 9 of piece 10；The stamping station 83 is detachable by 83 bottom of the connection stamping station of lift height adjustment mechanism 84 The cutting die 81 of installation carries out adaptability adjusting by lift height adjustment mechanism 84 to the punching shear depth and thickness of cutting die 81, After acting on magnetic attraction damping fin 10, lifting travel can be shortened, and punching is avoided excessively to injure conveyer belt.

The production technology that the magnetic attraction damping fin of the present embodiment magnetizes with blanking units, step are：

Step 1: the dispensing of magnetic attraction damping fin：Component include 300 kilograms magnetic powder, 300 kilograms of calcium powder, 70 kilograms Mica powder, 80 kilograms of AH-80 pitches, 30 kilograms of asphalt modifier (such as SBS styrene, EVA ethylene-vinyl acetates Copolymer), 8 kilograms of softening agent (such as vegetable oil, rubber oil, friction oil), 5 kilograms of fiber such as flaxen fiber, aramid fiber. The calcium powder is the ultra-fine light calcium carbonate powder of 0.5~1 μm of grain size；Magnetic powder magnetize after and 66 mating reaction of pressing plate, pressing plate 66 can be improved Extruding efficiency；In dispensing, the dosage of pitch only accounts for less than 10%, and when being applied in automobile, the generation of pernicious gas subtracts significantly It is few, it is removed after through ventilation after a while, then most residual smell is removed, so as to reduce the use of damping sheet Risk.Pitch is used cooperatively after ultra-fine light calcium carbonate powder softening, can be improved with the bond strength of pitch (by the polymerization of superfine powder Ability improves and the combination power of pitch), avoid the layering during use after tabletting.

Step 2: the production of magnetic attraction damping fin blank：

1 pitch softens：AH-80 pitches input kneader is warming up to 100 DEG C or so softenings, stirs into fluid；

2 stirrings：SBS and vegetable oil are put into kneader successively in order to stir 10 minutes；

3 fibers crush：In step 2 whipping process, input kneader continues 20 points of stirring after flaxen fiber is crushed to 16 mesh Clock；

4 calcium powders add in：Calcium powder, magnetic powder, mica powder input kneader are continued to stir；

5 squeeze out：After stirring, it is transferred to extruder and squeezes out and with to roll tablet generation magnetic attraction damping fin 10；

Step 3: it magnetizes：Magnetic attraction damping fin 10 is magnetized by the mechanism 6 that magnetizes；In magnetization process, magnetic attraction resistance The beginning of Buddhist nun's piece 10, which rides over, to magnetize on roller 64, under the gearing for the conveyer belt 62 that magnetizes, through the front end of pressing plate 66 and magnetizes It is lasting to advance behind the gap that roller 64 is formed；Due to magnetic attraction damping fin 10 magnetize magnetize on roller 64 after and cast iron quality pressure Plate 66 generates magnetic force, is adjacent to pressing plate 66 and the cooling water on magnetic attraction damping fin 10 is squeezed water outlet, and then is the water suction of lower step It lays the foundation with drying；

Step 4: cooling：Magnetic attraction damping fin 10 after overlay film, heat dry sizing, is transferred to air-cooled again by air-cooled conveyer belt Case starts hair-dryer, during conveying, air-cooled cooling is carried out to magnetic attraction damping fin 10；

Step 5: it transfers：Magnetic attraction damping fin 10 is delivered on punching conveyer belt 9 by air-cooled conveyer belt；

Step 6: punching：Start the lower section that magnetic attraction damping fin 10 is brought into cutting die 81 by punching conveyer belt 9；

1st, cutting die 81 is inserted：Cutting die 81 is inserted between two opposite 4 cutting dies undertaking fixed frames 855；

2nd, width adjusting：The round handle of swing roller formula width adjusting frame 853, the leading screw 852 of the anti-silk in both ends is with moving knife Mould is accepted fixed frame 855 and is moved toward one another, and is clamped until by the two side ends of cutting die 81；

3rd, cylinder starts：Start cylinder 851, gases at high pressure are acted on by compression gas pipe 88 drives cutting die to accept fixed frame 855 rise, until the upper surface of cutting die 81 and the bottom of lifting screw are in close contact；

4th, thickness is adjusted：The thickness of 10 cutting of magnetic attraction damping fin is adjusted by rotation and lifting screw rod；

5th, stamping cutting machine structure starts：Stamping cutting machine structure 8 combines punching 9 transfer rate of conveyer belt by its numerical control tank and sets Upper and lower punching press frequency is put, to magnetic attraction damping fin 10 strike out monomer damping fin for means of transports such as automobiles.

In the blanking process of the magnetic attraction damping fin 10 of the present embodiment, air cooling mechanism is first passed through magnetic attraction damping fin 10 is cold But it is punched again after, magnetic attraction 10 adhesion to blade of damping fin when being punched with reducing, and avoids the generation of flash as far as possible；Pass through Lift height adjustment mechanism 84 carries out adaptability adjusting to the punching shear depth and thickness of cutting die 81, acts on magnetic attraction damping fin After 10, lifting travel can be shortened, and punching is avoided excessively to injure conveyer belt；Moreover, in the dispensing of magnetic attraction damping fin 10, The dosage of pitch only accounts for 9% or so, and when the damping fin after punching is applied in automobile, the generation of pernicious gas greatly reduces, should It is removed after through ventilation after a while, then removes most residual smell, so as to reduce the application risk of damping sheet.

Embodiment 2

The magnetic attraction damping fin of the present embodiment magnetizes and blanking units, and basic structure, dispensing are different and change with embodiment 1 It is into part：The pressing plate 66 is 2, is set in the both sides for the roller 64 that magnetizes in "eight" shape skew symmetry, two-sided pressure water, is improved Efficiency；The lift height adjustment mechanism 84 is arranged at 4 lifting screws of 83 4 jiaos of the stamping station for symmetrical expression, can be with Corner balanced type adjusts lifting, to ensure the balance in punching face；The bottom of the front end of the punching conveyer belt 9 is provided with damping fin Induction mechanism 87, undamped piece by when, can notify control mechanism stop punching, avoid cutting die cut-in without ball damage conveyer belt.

Step 1: the dispensing of magnetic attraction damping fin：The component of 10 dispensing of magnetic attraction damping fin include 400 kilograms magnetic powder, The ultra-fine light calcium carbonate powder of 200 kilograms of 0.5~1 μm of grain sizes, 70 kilograms of mica powders, 70 kilograms of AH-90 pitches, 40 kilograms of pitch Modifying agent (such as SBS styrene, EVA ethylene-vinyl acetate copolymers), 12 kilograms of softening agent such as vegetable oil, rubber oil roll Glue oil waits, 3 kilograms of fiber such as flaxen fiber, aramid fiber.

Step 2: the production of magnetic attraction damping fin blank：

1st, pitch softens：AH-90 pitches input kneader is warming up to 110 DEG C or so softenings, stirs into fluid；

2nd, stir：EVA and rubber oil are put into kneader successively in order to stir 10 minutes；

3rd, fiber crushes：In step 2 whipping process, input kneader continues 20 points of stirring after flaxen fiber is crushed to 20 mesh Clock；

5th, squeeze out：After stirring, it is transferred to extruder and squeezes out and with to roll tablet generation magnetic attraction damping fin 10；

Step 4: cooling：Magnetic attraction damping fin 10 after overlay film, heat dry sizing, is cooled down again by air cooling mechanism；

3rd, cylinder starts：Start cylinder 851, Telescopic-cylinder bar drives cutting die to accept fixed frame 855 to rise, until by cutting die 81 upper surface and the bottom of lifting screw are in close contact；

5th, stamping cutting machine structure starts：Stamping cutting machine structure 8 combines punching 9 transfer rate of conveyer belt by its numerical control tank and sets Upper and lower punching press frequency is put, magnetic attraction damping fin 10 is carried out to strike out monomer damping fin

The present embodiment magnetic attraction damping fin magnetizes and blanking units, and pitch is used cooperatively after ultra-fine calcium powder and softening, can be with The bond strength of raising and pitch (improves the combination power with pitch by the polymerizing power of superfine powder), is used after avoiding tabletting Layering in the process.But the grinding cost of two kinds of ultra-fine calcium powders is higher, causes the promotion of production cost.

Embodiment 3

The magnetic attraction damping fin of the present embodiment magnetizes and blanking units, and basic structure, dispensing are different and change with embodiment 2 It is into part：The stamping cutting machine structure 8, which further includes, is respectively arranged at 83 front and rear sides of stamping station, punching conveyer belt 9 just on 2 cutting die width adjustment mechanisms 85 of side, are adjusted correspondingly according to cutting die specification, improve the versatility of device；It is described to fill Magnetic mechanism 6 further includes several suction rolls 65, and both ends and being fixed on are magnetized on frame 61, are symmetrical arranged magnetizing on conveyer belt 62, And the preset clearance between the conveyer belt 62 that magnetizes；The magnetize bottom of conveyer belt 62 is additionally provided with carrying roller 611, and cooperation pressing plate 66 will squeeze The moisture pressed out blots.

The component of step 1 dispensing includes 350 kilograms of magnetic powder, the ultra-fine light calcium carbonate powder of 250 kilograms of 0.5~1 μm of grain sizes；70 Kilogram mica powder, 70 kilograms of pitch, (such as SBS styrene or EVA ethylene-vinyl acetates are total to 30 kilograms of asphalt modifier Polymers), 8 kilograms softening agent such as vegetable oil, rubber oil, friction oil etc., 4 kilograms of fiber such as flaxen fiber, aramid fiber, In：The procedure of processing of ultra-fine light calcium carbonate powder is：

Step 1: mixing：Commercially available light calcium carbonate powder, dispersant and water are sufficiently mixed as lyophilized presoma；

It is Step 2: quick-frozen：Lyophilized presoma is tiled insert after mold -38~-40 DEG C or so quick freezing repository it is quick-frozen into It is block；

It is Step 3: lyophilized：Lump material push-in dry storehouse is carried out being lyophilized into cellular block of material；

Step 4: fine grinding：Cellular block of material is sent into grinder to carry out being finely ground to the ultra-fine light calcium carbonate powder of mica powder.

The processing method of the present embodiment magnetic attraction damping fin blank, step are：

4th, calcium powder adds in：Ultra-fine light calcium carbonate powder, mica powder, magnetic powder input kneader continue 10 points of stirring made from will be lyophilized Clock；

5th, squeeze out：After stirring, it is transferred to extruder and squeezes out and generate damping fin with to roll tablet.

The magnetic attraction damping fin of the present embodiment magnetizes and blanking units, it is therein it is lyophilized after ultra-fine light calcium carbonate powder made from grinding Since there are a micropore or micro- hole in its surface, and the combination of pitch, softening agent and modifying agent fluid is even closer, and pitch is being greatly reduced On the premise of dosage, bond strength greatly improves, and damped coefficient is also correspondingly improved, and has good damping, sound insulation and guarantor Temp effect.

Embodiment 4

The magnetic attraction damping fin of the present embodiment magnetizes and blanking units, and basic structure, dispensing are different and change with embodiment 3 It is into part：Cutting die width adjustment mechanism 85 includes cylinder 851, leading screw 852, ball-type width adjusting frame 853, positioning framework 854th, cutting die accepts fixed frame 855 and screw hole block 856, the ball-type width adjusting frame 853 are fixed on 83 side of stamping station；Institute Leading screw 852 is stated through ball-type width adjusting frame 853, and both ends extend to the left and right centered on ball-type width adjusting frame 853, The two-part silking in left and right is oppositely arranged, and the both ends of leading screw 852 are each passed through respective screw hole block 856；Each screw hole block 856 Respective cutting die is both secured to accept in fixed frame 855；The positioning framework 854 is in downwardly open frame shape, is buckled in cutting die Accept the top of fixed frame 855, the top of positioning framework 854 sets cylinder 851, and the telescopic rod in the cylinder 851 is through fixed After position frame 854 and cutting die accept fixed frame 855, screw hole block 856, entire 85 side of operation of cutting die width adjustment mechanism are acted on Just, accurate positioning, the positioning comprehensive to cutting die and fixation, when punching, reduce the generation of flash as far as possible, and further keep away Damage of the blade to conveyer belt is exempted from.

The magnetic attraction damping fin of the present embodiment magnetizes includes 300 with the component of one dispensing the step of blanking units production method Kilogram magnetic powder；The ultra-fine light calcium carbonate powder of 200 kilograms of 0.5~1 μm of grain sizes；65 kilograms of grain size mica powders, 75 kilograms of pitch, 30 public affairs The asphalt modifier (such as SBS styrene or EVA ethylene-vinyl acetate copolymers) of jin, 12 kilograms of softening agent (such as plant Oil, rubber oil, friction oil etc.), 5 kilograms of fiber (such as flaxen fiber, aramid fiber),

The making step of ultra-fine light calcium carbonate powder is：

Step 1: reactant generates：Sodium carbonate and calcium chloride are subjected to metathesis reaction generation precipitation of calcium carbonate, filtered Calcium carbonate coarse powder；

Step 2: mixing：Calcium carbonate coarse powder, dispersant and water are sufficiently mixed as lyophilized presoma；

It is Step 3: quick-frozen：Lyophilized presoma is tiled, and it is quick-frozen into bulk to insert quick freezing repository after mold；

It is Step 4: lyophilized：Lump material push-in dry storehouse is carried out being lyophilized into cellular block of material；

Step 5: fine grinding：Cellular block of material is sent into grinder to carry out being finely ground to ultra-fine light calcium carbonate powder.

4th, calcium powder adds in：Magnetic powder, mica powder, lyophilized ultra-fine light calcium carbonate powder input kneader obtained are continued into 10 points of stirring Clock；

The magnetic attraction damping fin of the present embodiment magnetizes in the production technology of blanking units, and ultra-fine fine particle calcium carbonate is produced from raw material Powder, production cost further reduce.

Embodiment 5

The magnetic attraction damping fin of the present embodiment magnetizes and blanking units, basic structure and dispensing are with embodiment 4, different and change It is into part：As shown in figure 4, cutting die 81 includes the blade 811 being fixedly connected on substrate and substrate；Around blade 811 Being covered with, in punching, can clear up blade 811 with 811 uniform thickness of blade, and the spongy layer 812 being fixed on substrate, and A small amount of lubricating oil can be sprayed in spongy layer 812, to keep the cleaning of the edge of a knife and lubrication, is further reduced the production of flash It is raw；As shown in figure 3, the cutting die accepts the bottom of fixed frame 855, the card slot 8551 of screens cutting die 81 is inside provided with, it is convenient to knife The screens of mould 81, the replacement of cutting die 81 are more convenient；The breaking strength of the punching conveyer belt 9 is more than 20Mpa, elongation rate of tensile failure More than 400%, suitable for the magnetic attraction damping fin 10 of the utility model.

The component of its dispensing includes 400 kilograms of magnetic powder；The ultra-fine light calcium carbonate powder of 240 kilograms of 0.5~1 μm of grain sizes；70 kilograms Mica powder, 70 kilograms of pitch, 30 kilograms of asphalt modifier (such as SBS styrene or the copolymerization of EVA ethylene-vinyl acetates Object), 10 kilograms of softening agent (such as vegetable oil, rubber oil, friction oil), 5 kilograms of fiber (such as flaxen fiber, aramid fiber), Wherein：

The making step of ultra-fine light calcium carbonate powder is：

Step 2: mixing：Calcium carbonate coarse powder, remaining EVA, friction oil and water are sufficiently mixed as lyophilized presoma；

It is Step 3: quick-frozen：Lyophilized presoma is tiled, and it is quick-frozen into bulk to insert -38 DEG C or so quick freezing repositories after mold；

2nd, fiber crushes：In step 1 whipping process, input kneader continues 20 points of stirring after flaxen fiber is crushed to 10 mesh Clock；

3rd, calcium powder adds in：Magnetic powder, mica powder and lyophilized ultra-fine light calcium carbonate powder input kneader obtained are continued into stirring 5 minutes Left and right；

4th, squeeze out：After stirring, it is transferred to extruder and squeezes out and generate damping fin with to roll tablet.

The magnetic attraction damping fin of the present embodiment magnetize in the production technology of blanking units in, pitch is changed in blend step Property agent and the mixing of softening agent add in, it is fixed to freeze around mica or fine particle calcium carbonate micro mist asphalt modifier and/or softening agent Position to improve in later stage whipping process with the combination of pitch, facilitates their effect rapid deployment, reduces entire processing technology Time avoids aging of the pitch in stirring.

Embodiment 6

The magnetic attraction damping fin of the present embodiment magnetizes in the production technology of blanking units, and basic ingredients are with embodiment 5, no Together and the improvement is that：The component of its dispensing includes the magnetic powder of 350 parts by weight；280 kilograms of 0.5~1 μm of grain sizes it is ultra-fine light Calcium powder；75 kilograms of mica powders, 75 kilograms of pitch, 50 kilograms of asphalt modifier (such as SBS styrene or EVA ethyl vinyl acetates Vinyl ester copolymers), 10 kilograms of softening agent (such as vegetable oil, rubber oil, friction oil), 5 kilograms of fiber (such as flaxen fiber, Aramid fiber), the making step of ultra-fine light calcium carbonate powder is：

It is Step 3: quick-frozen：Lyophilized presoma is tiled, and it is quick-frozen into bulk to insert -40 DEG C or so quick freezing repositories after mold；

It is Step 4: lyophilized：Lump material push-in dry storehouse is carried out being lyophilized into cellular block of material；The same mica of lyophilized technique Powder；

Step 5: fine grinding：Cellular block of material is sent into grinder to carry out being finely ground to ultra-fine light calcium carbonate powder, is swept using Flied emission Face microscope carries out pattern and constituent analysis to powder body material, and the particle surface of ultra-fine light calcium carbonate powder obtained is more or less after grinding Deep or shallow micropore.

2 fibers crush：In step 1 whipping process, input kneader continues 20 points of stirring after flaxen fiber is crushed to 10 mesh Clock；

3 calcium powders add in：Magnetic powder, mica powder and lyophilized ultra-fine light calcium carbonate powder input kneader obtained are continued into stirring 5 minutes Experiment is diluted with water in fluid after stirring by left and right, taking precipitate carry out again microscope to powder body material progress pattern and Constituent analysis, it is found that around particle in more or less pitch infiltration into microporous；Also the combination degree of pitch and particle is indicated that It improves；

4 squeeze out：After stirring, it is transferred to extruder and squeezes out and generate damping fin with to roll tablet.

The magnetic attraction damping fin of the present embodiment magnetizes in the production technology of blanking units, and entire lyophilized technique process is only 2 it is small when or so, production cost will not improve how much, moreover, after pitch infiltration into microporous, match the mica powder greatly improved, fine particle calcium carbonate Powder also has a kind of slow releasing function to the smell of pitch, and batch in the pernicious gas short time is avoided to generate and generate danger to human body Evil.

Embodiment 7

The magnetic attraction damping fin of the present embodiment magnetizes in the production technology of blanking units, and basic component and step are the same as implementation Example 6 is different and the improvement is that：Asphalt modifier and/or softening agent can be added respectively in blend step and step 2, To play its effect as far as possible, avoid after all being applied in certain step, decreased effectiveness.

Embodiment 8

The magnetic attraction damping fin of the present embodiment magnetizes in the production technology of blanking units, and basic ingredients are with embodiment 5, no Together and the improvement is that：

The making step of ultra-fine light calcium carbonate powder is：

Step 2: mixing：Calcium carbonate coarse powder, friction oil and water are sufficiently mixed as lyophilized presoma；The water consumption is added to be 3 times of coarse powder gross weight；

It is Step 3: quick-frozen：Lyophilized presoma is tiled into mold, thickness 5.0cm, inserts -40 DEG C or so quick freezing repository speed It is frozen into bulk；

1st, pitch softens：AH-80 pitches input kneader is warming up to 100 DEG C or so softenings, stirs into fluid；

2nd, stir：By remaining EVA input kneader stirrings；

3rd, fiber crushes：In step 1 whipping process, input kneader continues 20 points of stirring after flaxen fiber is crushed to 10 mesh Clock；

4th, calcium powder adds in：Magnetic powder, mica powder and lyophilized ultra-fine light calcium carbonate powder input kneader obtained are continued into stirring 5 minutes Left and right；

The magnetic attraction damping fin of the present embodiment magnetizes in the production technology of blanking units, and entire lyophilized technique process is only 2 it is small when or so, production cost will not improve how much, moreover, after pitch infiltration into microporous, match the mica powder greatly improved, fine particle calcium carbonate Powder also has a kind of slow releasing function to the smell of pitch, and (pitch part infiltration into microporous and Wei Keng avoid the pernicious gas short time Interior batch generates and generates harm to human body).

Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing Shown in be also the utility model one of embodiment, actual structure is not limited thereto.So if this field Those of ordinary skill enlightened by it, without departing from the spirit of the invention, not inventively design with should The similar frame mode of technical solution and embodiment, all should belong to the protection range of the utility model.

Claims

1. a kind of magnetic attraction damping fin magnetizes and blanking units, which is characterized in that including the mechanism that magnetizes (6) by array of procedures and Stamping cutting machine structure (8)；Wherein：

The mechanism that magnetizes (6) includes magnetize frame (61), the conveyer belt that magnetizes (62), the roller that magnetizes (64) and pressing plate (66), described to fill The reciprocating surface for being laid in the frame that magnetizes (61) of magnetic conveyer belt (62)；The both ends of the roller that magnetizes (64) by with the frame that magnetizes (61) Connection is detachably fixed, and is suspended from above the conveyer belt that magnetizes (62)；The two side ends of the pressing plate (66) also and magnetize frame (61) can Dismounting is fixedly connected, and the front end of pressing plate (66) is close to the roller that magnetizes (64), and reserved magnetic attraction damping fin (10) can be between Gap；

The stamping cutting machine structure (8) includes two platforms (82) of punching conveyer belt (9) both sides, keeps flat and be fixed on two branch The stamping station (83) and lift height adjustment mechanism (84) of platform (82) medial surface and through the stamping cutting machine structure (8) pass Send the punching conveyer belt (9) of magnetic attraction damping fin (10)；The stamping station (83) is connected by lift height adjustment mechanism (84) Connect the cutting die (81) that stamping station (83) bottom is detachably installed.

2. magnetic attraction damping fin according to claim 1 magnetizes and blanking units, it is characterised in that：

The pressing plate (66) is 2, is set in the both sides of the roller that magnetizes (64) in "eight" shape skew symmetry；

The lift height adjustment mechanism (84) is arranged at 4 lifting screws of the stamping station (83) corner for symmetrical expression； The bottom of the front end of the punching conveyer belt (9) is provided with damping fin induction mechanism (87).

3. magnetic attraction damping fin according to claim 2 magnetizes and blanking units, it is characterised in that：The mechanism that magnetizes (6) further include several suction rolls (65), both ends and be fixed on the frame that magnetizes (61), symmetrically set on the conveyer belt that magnetizes (62) It puts, and the preset clearance between the conveyer belt that magnetizes (62)；The magnetize bottom of conveyer belt (62) is additionally provided with carrying roller (611)；

The stamping cutting machine structure (8), which further includes, is respectively arranged at stamping station (83) front and rear sides, directly over punching conveyer belt (9) 2 cutting die width adjustment mechanisms (85).

4. magnetic attraction damping fin according to claim 3 magnetizes and blanking units, it is characterised in that：The cutting die width tune Section mechanism (85) includes cylinder (851), leading screw (852), ball-type width adjusting frame (853), positioning framework (854), cutting die and holds Fixed frame (855) and screw hole block (856) are connect, the ball-type width adjusting frame (853) is fixed on stamping station (83) side；It is described Leading screw (852) passes through ball-type width adjusting frame (853), and the both ends to the left and right centered on ball-type width adjusting frame (853) Extension, the two-part silking in left and right is oppositely arranged, and the both ends of leading screw (852) are each passed through respective screw hole block (856)；Each spiral shell Hole block (856) is both secured to respective cutting die and accepts in fixed frame (855)；The positioning framework (854) is in downwardly open frame Shape, is buckled to the top that fixed frame (855) is accepted in cutting die, and the top of positioning framework (854) sets cylinder (851), the cylinder (851) after the telescopic rod in accepts fixed frame (855) through positioning framework (854) and cutting die, screw hole block (856) is acted on.

5. magnetic attraction damping fin according to claim 3 magnetizes and blanking units, it is characterised in that：Cutting die (81) bag Include the blade (811) being fixedly connected on substrate and substrate；Be covered with around blade (811) with blade (811) uniform thickness, it is and fixed In the spongy layer (812) on substrate；The cutting die accepts the bottom of fixed frame (855), is inside provided with the card slot of screens cutting die (81) (8551)；The breaking strength of the punching conveyer belt (9) is more than 20Mpa, and elongation rate of tensile failure is more than 400%.