CN207105110U - A kind of hot-melt damping piece cooling and blanking units - Google Patents

Abstract

The utility model discloses a kind of cooling of hot-melt damping piece and blanking units, belong to car damping technical field.Hot-melt damping piece cooling of the present utility model and blanking units include air cooling mechanism, punching press cutting means body and the dedicated conveyer belt through punching press cutting means body transmission hot-melting type damping fin；Air cooling mechanism includes air cooled box, hair-dryer and air-cooled conveyer belt；Hair-dryer is fixed with air cooled box, and is buckled on the surface of air-cooled conveyer belt；The end of air-cooled conveyer belt is connected with dedicated conveyer belt by the hot-melting type damping fin in conveying, and hot-melting type damping fin is passed into dedicated conveyer belt；Punching press cutting means body includes platform, the stamping station and lift height adjustment mechanism for keeping flat and being fixed on two platform sides of dedicated conveyer belt both sides；Stamping station connects the cutting die detachably installed stamping station bottom by lift height adjustment mechanism.The utility model solves the problems, such as that flash is serious when hot-melt damping piece is cut, conveyer belt service life is short.

Description

A kind of hot-melt damping piece cooling and blanking units

Technical field

It the utility model is related to car damping technical field, more particularly to a kind of cooling of hot-melt damping piece and punching dress Put.

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 preferable.The damping effect related to the energy consumed in viscoelastic material with The increase of the Young amount of touching and the loss factor of viscoelastic material and increase.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 it provides metallic plate limited damping, other materials With the high Young amount of touching but relatively low loss factor (for example, rubber), it is not equally very good as damped part.It is good Good damping material provides the compromise between the Young amount of touching and loss factor.

, it is necessary to which the cooling and punching press of adaptation cut dress for the hot-melt damping piece by good damping material making Put, because the damping fin that in 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, application number：201410175388.9 publication date：2015.11.18, one is disclosed Kind of film automatic cutting device, including frame, the feed mechanism and punching mechanism that are successively set in frame；Punching mechanism includes Blanking die holder, the folded stripper plate being located above blanking die holder and relative de- material positioned at feed direction one end of feed mechanism Plate can be arranged on the drift above stripper plate up or down, and stripper plate is provided with the material demoulding hole corresponding with drift, blanking die Seat is provided with the material-dropping hole being connected with material demoulding hole, and the feeding side of parallel feed mechanism is provided between stripper plate and blanking die holder To, through stripper plate and the deflector chute passed through for film of blanking die holder opposite sides.The film automatic cutting of the utility model Device, coordinated using drift and feed mechanism and film is punched out, instead of existing cutting knife and manual operation, realized automatic Metaplasia is produced, and is reduced cost of labor, is improved production efficiency and safety；And stripper plate is arranged on blanking die holder, not with drift Lower movement and move, reduce the noise of the blanking units.But during punching of the utility model applied to thicker damping fin, Due to lacking width and the height even adjustment of thickness, flash is serious during punching, or even punching is not in place and adhesion situation is tight Weight.

Utility model content

1. utility model technical problems to be solved

Flash is serious when being cut for existing in the prior art for the damping fin of particular/special requirement, conveyer belt service life is short The problem of, the utility model provides a kind of hot-melt damping piece cooling and blanking units.It passes through to the comprehensive adaptation of cutting die Property adjustment, reach the purpose without flash when hot-melting type damping fin is cut.

2. technical scheme

To reach above-mentioned purpose, technical scheme provided by the utility model is：

A kind of cooling of hot-melt damping piece and blanking units, including air cooling mechanism, punching press cutting means body and pass through The dedicated conveyer belt of the punching press cutting means body transmission hot-melting type damping fin；Wherein：Air cooling mechanism includes air cooled box, blowing Machine and air-cooled conveyer belt；Hair-dryer is fixed with the air cooled box, and is buckled on the surface of air-cooled conveyer belt；It is described air-cooled defeated Send the end of band to be connected with dedicated conveyer belt by the hot-melting type damping fin in conveying, and hot-melting type damping fin passed to special Conveyer belt；It is punched again after by air cooling mechanism, hot-melting type damping fin is cooled down, hot-melting type damping fin is to blade when being punched with reducing Adhesion, and avoid the generation of flash as far as possible；The punching press cutting means body includes two branch of dedicated conveyer belt both sides Platform, the stamping station and lift height adjustment mechanism for keeping flat and being fixed on two platform sides；The stamping station passes through lifting The cutting die that formula height adjustment mechanism connection stamping station bottom is detachably installed.Cutting die is rushed by lift height adjustment mechanism Cut height and thickness carries out adaptability regulation, after acting on hot-melting type damping fin, lifting travel can be shortened, and avoid being punched Spend and injure conveyer belt.

Further technical scheme, air-cooled upper box part are open opening, and filter is fixedly connected with opening, stops foreign matter Fall into hair-dryer；The downward blow-through hot-melting type damping fin of wind direction of the hair-dryer, while cooling, ensure that heat dries the jail of overlay film Solidity；Lift height adjustment mechanism is 4 lifting screws that symmetrical expression is arranged at the stamping station corner, can be balanced with corner Formula regulation lifting, to ensure the balance in punching face；The bottom of the front end of the dedicated conveyer belt is provided with damping fin induction mechanism, During undamped piece, controlling organization can be notified to stop punching, avoid cutting die cut-in without ball from damaging conveyer belt.

Further technical scheme, in addition to stamping station front and rear sides are respectively arranged at, 2 directly over dedicated conveyer belt Cutting die width adjustment mechanism, it is adjusted correspondingly according to cutting die specification, improves the versatility of device.

Further technical scheme, cutting die width adjustment mechanism include cylinder, leading screw, ball-type width adjusting frame, positioning Framework, cutting die accept fixed mount and screw 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 block；Each screw block is both secured to respective cutting die and accepts fixed mount It is interior；The positioning framework is in downwardly open frame shape, and back-off accepts the top of fixed mount in cutting die, and the top of positioning framework is set Cylinder, after the expansion link in the cylinder accepts fixed mount through positioning framework and cutting die, screw block is acted on, whole cutting die is wide It is easy to operate to spend governor motion, accurate positioning, the positioning comprehensive to cutting die and fixation, reduces flash as far as possible during punching Produce, and further avoid damage of the blade to conveyer belt.

Further technical scheme, cutting die accept the bottom of fixed mount, are inside provided with the neck of screens cutting die, convenient to cutting die Screens, the replacing of cutting die is more convenient；The breaking strength of the dedicated conveyer belt is more than 20Mpa, and elongation rate of tensile failure is more than 400%, suitable for hot-melting type damping fin of the present utility model.

A kind of cooling of hot-melt damping piece and the production method of blanking units, it is characterised in that step is：

Step 1: cutting die is inserted：Cutting die is inserted between two relative 4 cutting dies undertaking fixed mounts；

Step 2: 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 Fixed mount move toward one another is accepted, is clamped until by the two side ends of cutting die；

Step 3: cylinder starts：Start cylinder, Telescopic-cylinder bar drives cutting die to accept fixed mount to rise, until by cutting die Upper surface and lifting screw bottom be in close contact；

Step 4: thickness is adjusted：The thickness of hot-melting type damping fin cutting is adjusted by rotation and lifting screw rod；

Step 5: cooling：Hot-melting type damping fin is transferred to air cooled box by air-cooled conveyer belt, opened after overlay film, heat dry sizing Dynamic hair-dryer, during conveying, air-cooled cooling is carried out to hot-melting type damping fin；

Step 6: transfer：Hot-melting type damping fin is delivered on dedicated transport band by air-cooled conveyer belt；

Step 7: dedicated transport tape starting：Start the lower section that dedicated conveyer belt brings hot-melting type damping fin into cutting die；

Step 8: punching press cutting means body starts：Punching press cutting means body passes through its numerical control tank combination dedicated transport Upper and lower punching press frequency is set with transfer rate, hot-melting type damping fin is carried out to strike out monomer damping fin.

Further technical scheme, the component of its dispensing of hot-melting type damping fin include the calcium powder of 600~700 parts by weight, 70 The mica powder of~80 parts by weight, the pitch of 60~80 parts by weight, the asphalt modifier of 8~10 parts by weight, 4~8 parts by weight it is soft The fiber of agent, 3~5 parts by weight；The calcium powder includes dicalcium powder and light calcium carbonate powder, is the ultrafine heavy calcium powder of 0.5~1 μm of particle diameter With ultra-fine light calcium carbonate powder, proportionate relationship is：(3~5)：1.In dispensing, the dosage of pitch only accounts for less than 9%, during using into automobile, The generation of pernicious gas greatly reduces, and is removed after through ventilation after a while, then removes most residual smell, from And reduce the application risk of damping sheet；Pitch is used cooperatively after two kinds of ultra-fine calcium powders and softening, can improve the knot with pitch Intensity (improved by the polymerizing power of superfine powder and the adhesion of pitch) is closed, avoids the layering during use after tabletting.

Further technical scheme, the making step of the ultrafine heavy calcium powder are：

Step 1: corase grind：First calcite is sent into grinder after mechanical crushing and is ground, it is thick to obtain calcium carbonate 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 mould；

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 ultrafine heavy calcium powder；

The making step of the 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 mould；

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.

The ultrafine heavy calcium powder and light calcium carbonate powder made by vacuum freeze-drying technique, due to its little particle and the bulk of formation Body can be in light crisp alveolate texture, and grinding cost is reduced for the obtained of ultra-fine calcium powder.

Further technical scheme, quick freezing temperature are -38~-40 DEG C；The lyophilized process curve 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 technical scheme, the ultra-fine light calcium carbonate powder making and ultrafine heavy calcium powder making step the step of two It is middle will asphalt modifier and/or softening agent are well mixed add after quickly carry out quick-frozen, each composition fast positioning, avoid being layered, Add 2.5~3.0 times that water consumption is coarse powder gross weight, to reach the purpose for fully absorbing mixing, step 3 material is spread into mould Thickness is 5.0~6.0cm, raising sabot amount, and in step 4 freeze-drying process, condenser temperature is controlled below -30 DEG C, you can is reached Effectively catch the purpose of water；The process steps of the hot-melting type damping fin are：

(1) pitch softens：Pitch input kneader heating softening is stirred into fluid；

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

(3) fiber crushes：In step (2) whipping process, input kneader continues to stir after fiber is crushed；

(4) calcium powder adds：Calcium powder, mica powder input kneader are continued to stir；

(5) extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin with to roll tablet.

3. beneficial effect

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

(1) a kind of hot-melt damping piece cooling of the present utility model and blanking units, are hindered hot-melting type by air cooling mechanism It is punched again after the cooling of Buddhist nun's piece, adhesion of the hot-melting type damping fin to blade when being punched with reducing, and avoids the generation of flash as far as possible； Adaptability regulation is carried out to the punching shear depth and thickness of cutting die by lift height adjustment mechanism again, acts on hot-melting type damping After piece, lifting travel can be shortened, and avoid punching from excessively injuring conveyer belt；The hot-melting type resistance of the utility model Punching Technology In Buddhist nun's piece dispensing, the dosage of pitch only accounts for less than the 9% of gross weight, during using into automobile, in the limited space of automobile, is harmful to The generation of gas greatly reduces, and removes most residual smell through ventilation after a while again after, can drop significantly The application risk of low resistance plate in the car, moreover, the hot-melting type damping fin viscoelastic property of the utility model Punching Technology is good, punching During cutting, the generation of flash is avoided that；

(2) a kind of hot-melt damping piece cooling of the present utility model and blanking units, the downward blow-through heat of wind direction of hair-dryer Molten type damping fin, while cooling, ensure that heat dries the fastness of overlay film；4 lifting screws are adjusted in stamping station corner balanced type Section lifting, to ensure the balance in punching face；The setting of damping fin induction mechanism, undamped piece by when, can notify to control Mechanism stops punching, avoids cutting die cut-in without ball from damaging conveyer belt；Moreover, the material of the hot-melting type damping fin of the utility model Punching Technology Pitch is used cooperatively after material ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, two kinds of ultra-fine calcium powders and softening, can be improved and pitch Bond strength (improves the adhesion with pitch by the polymerizing power of superfine powder), avoids using after extruding tabletting and punching During layering；

(3) a kind of hot-melt damping piece cooling of the present utility model and blanking units, can carry out phase according to cutting die specification The adjustment answered, improve the versatility of device；Moreover, powder made from lyophilized technique in the making of hot-melting type damping fin, because its is small Particle and the blocks of formation can be in light crisp alveolate texture, then when being ground into super fine, its cost substantially reduces；

(4) a kind of hot-melt damping piece cooling of the present utility model and blanking units, whole cutting die width adjustment mechanism behaviour Facilitate, accurate positioning, the positioning comprehensive to cutting die and fixation, reduce the generation of flash during punching as far as possible, go forward side by side one Step avoids damage of the blade to conveyer belt；And in ultrafine heavy calcium powder preparation process, because what is mainly added is Free water, with reference to Water is less, so, freeze-drying process is lyophilized compared to food and medicine, and its lyophilized cost is relatively small, can be with bright from its yield rate Aobvious to find out, the yield rate of frozen dried food is typically below 10%, and the lyophilized preparation of ultrafine heavy calcium powder may be up to 50%, even More than 80%；

(5) a kind of hot-melt damping piece cooling of the present utility model and blanking units, neck can allow cutting die screens more Conveniently, it is also more convenient during replacing；Hot-melting type damping fin of the present utility model, it is necessary to dedicated conveyer belt, breaking strength during punching More than 20Mpa, elongation rate of tensile failure is more than 400%, and two aspects combine, and reaches the mesh that punching is grown without flash, conveyer belt service life 's；Moreover, in the making of hot-melting type damping fin 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, its cost are at most doubled, and again below the cost of general pitch, therefore, ultra-fine light calcium carbonate powder substitutes part pitch, and one It is to reduce manufacturing cost, second, the generation of pernicious gas can be reduced, third, coordinating with ultrafine heavy calcium powder, improves the knot with pitch Close intensity (to reach effective combination of organic matter and inorganic matter)；

(6) a kind of hot-melt damping piece cooling of the present utility model and blanking units, -38 in the making of hot-melting type damping fin ~-40 DEG C and quick freezing temperature, it is the property determination that inventor combines calcium powder, when too high, ice crystal is poor to the piercing ability of particle, Micropore caused by after lyophilized is shallow and few；When too low, although micropore depth and quantity can be improved, production cost can be greatly improved； The setting of freeze-drying curve, it is that inventor combines the targetedly design that the more attribute of Free water is carried out, whole freeze-drying process 2 Or so individual hour, it is low to freeze cost；

(7) hot-melt damping piece cooling of the present utility model and blanking units, during hot-melting type damping fin makes in step 2 The mixing of asphalt modifier and/or softening agent is added, asphalt modifier and/or softening agent can be freezed around micro mist and determined Position, to improve the combination in later stage whipping process with pitch, facilitate their effect rapid deployment, reduce whole processing technology Time, avoid aging of the pitch in stirring；

(8) production method of a kind of hot-melt damping piece cooling of the present utility model and blanking units, by complete to cutting die The regulation and fixation in orientation, punching can be improved frequently, so as to reduce production cost, improve production efficiency, and be punched nothing Flash.

Brief description of the drawings

Fig. 1 is the structural representation that the utility model melts type damping fin punching press cutting means；

Fig. 2 is cutting die width adjustment mechanism magnified partial view in the utility model；

Fig. 3 is the top view of cutting die in the utility model.

In figure：7th, air cooling mechanism；8th, punching press cutting means body；9th, dedicated conveyer belt；10th, hot-melting type damping fin；71st, wind Ice chest；72nd, filter；73rd, hair-dryer；74th, air-cooled conveyer belt；81st, cutting die；82nd, platform；83rd, stamping station；84th, lift height Governor motion；85th, cutting die width adjustment mechanism；87th, damping fin induction mechanism；88th, compression gas pipe；811st, blade；812nd, sponge Layer；851st, cylinder；852nd, leading screw；853rd, ball-type width adjusting frame；854th, positioning framework；855th, cutting die accepts fixed mount； 856th, screw block；8551st, neck.

Embodiment

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

Embodiment 1

The hot-melt damping piece cooling of the present embodiment and blanking units, as shown in figure 1, being cut including air cooling mechanism 7, punching press Device body and the dedicated conveyer belt through punching press cutting means body transmission hot-melting type damping fin；Wherein：Air cooler Structure 7 includes air cooled box 71, hair-dryer 73 and air-cooled conveyer belt 74；Hair-dryer 73 is fixed with the air cooled box 71, and is buckled on The surface of air-cooled conveyer belt 74；The end of the air-cooled conveyer belt 74 and dedicated conveyer belt 9 are hindered by the hot-melting type in conveying Buddhist nun's piece 10 is connected, and hot-melting type damping fin 10 is passed into dedicated conveyer belt 9；The punching press cutting means body 8 includes special Two platforms 82 of the both sides of conveyer belt 9, keep flat and be fixed on the stamping station 83 of two sides of platform 82 and lift is highly adjusted Save mechanism 84；The stamping station 83 connects the cutting die detachably installed the bottom of stamping station 83 by lift height adjustment mechanism 84 81.Dedicated conveyer belt 9 is the nylon conveyer belt based on nylon material, and breaking strength is more than 20Mpa, and elongation rate of tensile failure is more than 400%, it is public to include 700 with the component suitable for hot-melting type damping fin 10 of the present utility model, its dispensing of hot-melting type damping fin 10 Calcium powder, 80 kilograms of mica powder, 80 kilograms of pitch, 10 kilograms of the asphalt modifier such as SBS styrene of jin, EVA ethene-vinegar Vinyl acetate copolymer, 8 kilograms of softening agent such as vegetable oil, rubber oil, friction oil etc., 5 kilograms of fiber such as flaxen fiber, fragrant human relations Fiber.

The processing method of hot-melt damping piece 10, step are in the present embodiment：

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

2nd, stir：SBS and vegetable 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 into 16 mesh Clock；

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

5th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin 10 with to roll tablet.

In the blanking process of the hot-melt damping piece 10 of the present embodiment, air cooling mechanism 7 is first passed through by hot-melting type damping fin 10 It is punched again after cooling, hot-melting type 10 adhesion to blade of damping fin when being punched with reducing, and avoids the generation of flash as far as possible；It is logical Cross lift height adjustment mechanism 84 and adaptability regulation is carried out to the punching shear depth and thickness of cutting die 81, act on hot-melting type damping After piece 10, lifting travel can be shortened, and avoid punching from excessively injuring conveyer belt；Moreover, the dispensing of hot-melt damping piece 10 In, the dosage of pitch only accounts for 9% or so, and when the damping fin after punching is applied into automobile, the generation of pernicious gas greatly reduces, Removed after through ventilation after a while, then remove most residual smell, so as to reduce the use wind of damping sheet Danger.

Embodiment 2

The hot-melt damping piece cooling of the present embodiment and blanking units, basic structure is the same as embodiment 1, different and improvements It is：The top of air cooled box 71 is open opening, and filter 72 is fixedly connected with opening, stops that foreign matter falls into hair-dryer 73； The downward blow-through hot-melting type damping fin 10 of wind direction of the hair-dryer 73；Lift height adjustment mechanism 84 is arranged at institute for symmetrical expression State 4 lifting screws of 83 4 jiaos of stamping station；The bottom of the front end of the dedicated conveyer belt 9 is provided with damping fin induction mechanism 87.The component of the dispensing of hot-melt damping piece 10 include 100 kilograms, the ultra-fine light calcium carbonate powder of 0.5~1 μm of particle diameter, 500 kilogram, The ultrafine heavy calcium powder in 0.5~1 μm of footpath, 70 kilograms of mica powder, 60 kilograms of pitch, 8 kilograms of asphalt modifier such as SBS benzene second Alkene or EVA ethylene-vinyl acetate copolymers, 4 kilograms of softening agent such as vegetable oil, rubber oil, friction oil etc., 3 kilograms of fibre Dimension such as flaxen fiber, aramid fiber.

The processing method of the hot-melt damping piece of the present embodiment, step are：

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 into 20 mesh Clock；

4th, calcium powder adds：Ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, mica powder input kneader are continued to stir；

5th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin 10 with to roll tablet.

The present embodiment hot-melt damping piece cools down and blanking units, the downward blow-through hot-melting type damping fin of wind direction of hair-dryer 73 10, while cooling, ensure that heat dries the fastness of overlay film；It can be adjusted and lifted with corner balanced type, to ensure the balance in punching face； Damping fin induction mechanism 87 undamped piece by when, can notify controlling organization stop punching, avoid the cut-in without ball of cutting die 81 damage Conveyer belt；Damping fin after punching, because pitch is used cooperatively after two kinds of ultra-fine calcium powders and softening, the knot with pitch can be improved Close intensity to improve by the polymerizing power of superfine powder and the adhesion of pitch, during avoiding tabletting and punching, use Layering.But the grinding cost of two kinds of ultra-fine calcium powders is higher, causes the lifting of production cost.

Embodiment 3

The hot-melt damping piece cooling of the present embodiment and blanking units, basic structure is the same as embodiment 2, different and improvements It is：Also include being respectively arranged at the front and rear sides of stamping station 83,2 cutting die width adjustment mechanisms of the surface of dedicated conveyer belt 9 85.The component of the dispensing of hot-melt damping piece 10 include 175 kilograms, the ultra-fine light calcium carbonate powder of 0.5~1 μm of particle diameter, 525 kilograms, particle diameter 0.5~1 μm of ultrafine heavy calcium powder, 75 kilograms of mica fine powder, 70 kilograms of pitch, 9 kilograms of asphalt modifier such as SBS benzene second Alkene or EVA ethylene-vinyl acetate copolymers, 6 kilograms of softening agent such as vegetable oil, rubber oil, friction oil etc., 4 kilograms of fibre Dimension such as flaxen fiber, aramid fiber, wherein：The procedure of processing of ultra-fine light calcium carbonate powder or ultrafine heavy calcium powder is：

Step 1: mixing：Commercially available dicalcium powder or 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 mould -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 ultra-fine light calcium carbonate powder.

The processing method of the hot-melt damping piece of the present embodiment, step are：

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 into 20 mesh Clock；

4th, calcium powder adds：Lyophilized obtained ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, mica powder input kneader are continued to stir Mix 10 minutes；

5th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin 10 with to roll tablet.

The hot-melt damping piece cooling of the present embodiment and blanking units, cutting die width adjustment mechanism 85 can be according to cutting die Specification is adjusted correspondingly, and improves the versatility of device；Hot-melt damping piece 10 use it is lyophilized after it is ultra-fine made from grinding Light calcium carbonate powder and ultrafine heavy calcium powder because there are a micropore or micro- hole in its surface, and pitch, softening agent and modifying agent fluid combination more Closely, on the premise of asphalt content is greatly reduced, bond strength is greatly improved, and its damped coefficient is also correspondingly improved, and is had Good damping, sound insulation and heat insulation effect.

Embodiment 4

The hot-melt damping piece cooling of the present embodiment and blanking units, basic structure is the same as embodiment 3, different and improvements It is：As shown in Fig. 2 cutting die width adjustment mechanism 85 includes cylinder 851, leading screw 852, ball-type width adjusting frame 853, positioning Framework 854, cutting die accept fixed mount 855 and screw block 856, the ball-type width adjusting frame 853 are fixed on the side of stamping station 83 Face；The 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 block 856；Each screw block 856, which are both secured to respective cutting die, accepts in fixed mount 855；The positioning framework 854 is in downwardly open frame shape, and back-off is in knife Mould accepts the top of fixed mount 855, and the top of positioning framework 854 sets cylinder 851, and the expansion link in the cylinder 851 passes through After positioning framework 854 and cutting die accept fixed mount 855, screw block 856, the whole side of operation of cutting die width adjustment mechanism 85 are acted on Just, accurate positioning, the positioning comprehensive to cutting die 81 and fixation, the generation of flash is reduced during punching as far as possible, and further Avoid damage of the blade 811 to conveyer belt；The component of the dispensing of hot-melt damping piece 10 includes 120 kg, 0.5~1 μm of particle diameter Ultra-fine light calcium carbonate powder, 480 kilograms, the ultrafine heavy calcium powder of 0.5~1 μm of particle diameter, 75 kilograms of mica fine powder, 60 kilograms of pitch, 9 Kilogram asphalt modifier such as SBS styrene or EVA ethylene-vinyl acetate copolymers, 6 kilograms of softening agent such as vegetable oil, Rubber oil, friction oil etc., 4 kilograms of fiber such as flaxen fiber, aramid fiber, wherein：The procedure of processing of ultrafine heavy calcium powder is：

Step 1: corase grind：First calcite is sent into grinder after mechanical crushing and is ground, it is thick to obtain calcium carbonate 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 mould；

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 ultrafine heavy calcium powder.

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 mould；

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.

The processing method of the present embodiment hot-melt damping piece, step are：

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 into 20 mesh Clock；

4th, calcium powder adds：Lyophilized obtained ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, mica powder input kneader are continued to stir Mix 10 minutes；

5th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin 10 with to roll tablet.

The hot-melt damping piece cooling of the present embodiment and the production method of blanking units, step are：

Step 1: cutting die 81 is inserted：Cutting die 81 is inserted between two relative 4 cutting dies undertaking fixed mounts 855；

Step 2: width adjusting：The round handle of swing roller formula width adjusting frame 853, the band of leading screw 852 of the anti-silk in both ends Moving knife mould accepts the move toward one another of fixed mount 855, is clamped until by the two side ends of cutting die 81；

Step 3: cylinder starts：Start cylinder 851, gases at high pressure act on Telescopic-cylinder bar band by compression gas pipe 88 Moving knife mould is accepted fixed mount 855 and risen, until the upper surface of cutting die 81 and the bottom of lifting screw are in close contact；

Step 4: thickness is adjusted：The thickness of the cutting of hot-melting type damping fin 10 is adjusted by rotation and lifting screw rod；

Step 5: cooling：Hot-melting type damping fin 10 is transferred to air-cooled after overlay film, heat dry sizing by air-cooled conveyer belt 74 Case 71, start hair-dryer 73, during conveying, air-cooled cooling is carried out to hot-melting type damping fin 10；

Step 6: transfer：Hot-melting type damping fin 10 is delivered on dedicated conveyer belt 9 by air-cooled conveyer belt 74；

Step 7: dedicated transport tape starting：Start dedicated conveyer belt 9 to bring hot-melting type damping fin 10 under cutting die 81 into Side；

Step 8: punching press cutting means body starts：Punching press cutting means body 8 passes through its numerical control tank combination dedicated transport With 9 transfer rates set above and below punching press frequency, hot-melting type damping fin 10 is carried out to strike out monomer damping fin, for automobile, In the means of transports such as electric car.

The production method of the cooling of hot-melt damping piece and blanking units made from the present embodiment, by comprehensive to cutting die Adjust and fixed, punching can be improved frequently, so as to reduce production cost, improve production efficiency, and be punched without flash.

Embodiment 5

The hot-melt damping piece cooling of the present embodiment and blanking units, basic structure is the same as embodiment 4, different and improvements It is：Cutting die accepts the bottom of fixed mount 855, is inside provided with the neck 8551 of screens cutting die 81, the convenient screens to cutting die 81, knife The replacing of mould 81 is more convenient.The component of the dispensing of hot-melting type damping fin 10 includes 240 kilograms, the ultra-fine fine particle calcium carbonate of 0.5~1 μm of particle diameter Powder, 460 kilograms, the ultrafine heavy calcium powder of 0.5~1 μm of particle diameter, 75 kilograms of mica fine powder, 60 kilograms of pitch, 8 kilograms of pitch Modifying agent such as SBS styrene or EVA ethylene-vinyl acetate copolymers, 5 kilograms of softening agent such as vegetable oil, rubber oil, friction Oil etc., 3 kilograms of fiber such as flaxen fiber, aramid fiber, wherein：The procedure of processing of ultrafine heavy calcium powder is：

Step 1: corase grind：First calcite is sent into grinder after mechanical crushing and is ground, it is thick to obtain calcium carbonate Powder；

Step 2: mixing：Calcium carbonate coarse powder, 4 kilograms of EVA, 3 kilograms of friction oil and water are sufficiently mixed as lyophilized When presoma mixes, it can also be mixed with homogenizer, effect is more preferable, but cost is high；

It is Step 3: quick-frozen：Lyophilized presoma is tiled insert after mould -38 DEG C or so quick freezing repository it is quick-frozen into bulk；

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 ultrafine heavy calcium powder.

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, 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 mould；

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.

The processing method of the present embodiment hot-melt damping piece, step are：

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

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

3rd, calcium powder adds：Lyophilized obtained ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, mica powder input kneader are continued to stir Mix 5 minutes or so；

4th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melt damping piece 10 with to roll tablet；

5th, cutting die 81 is inserted：Cutting die 81 is caught in 4 relative necks 8551；

6th, 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 accepts the move toward one another of fixed mount 855, is clamped until by the two side ends of cutting die 81；

7th, cylinder starts：Start cylinder 851, Telescopic-cylinder bar drives cutting die to accept fixed mount 855 to rise, until by cutting die 81 upper surface and the bottom of lifting screw are in close contact；

8th, thickness is adjusted：The thickness of the cutting of hot-melting type damping fin 10 is adjusted by rotation and lifting screw rod；

9th, cool down：Hot-melting type damping fin 10 is transferred to air cooled box 71 after overlay film, heat dry sizing by air-cooled conveyer belt 74, Start hair-dryer 73, during conveying, air-cooled cooling is carried out to hot-melting type damping fin 10；

10th, transfer：Hot-melting type damping fin 10 is delivered on dedicated conveyer belt 9 by air-cooled conveyer belt 74；

11st, dedicated transport tape starting：Start the lower section that dedicated conveyer belt 9 brings hot-melting type damping fin 10 into cutting die 81；

12nd, punching press cutting means body starts：Punching press cutting means body 8 passes through its numerical control tank combination dedicated conveyer belt 9 Transfer rate sets upper and lower punching press frequency, and hot-melting type damping fin 10 is carried out to strike out monomer damping fin.

In the hot-melt damping piece production process of the present embodiment, the mixing of asphalt modifier and softening agent is added in step 2 Enter, asphalt modifier and/or softening agent can be freezed positioning around micro mist, to improve in later stage whipping process and pitch With reference to facilitating their effect rapid deployment, reduce the time of whole processing technology, avoid aging of the pitch in stirring.

Embodiment 6

The hot-melt damping piece cooling of the present embodiment and blanking units, basic structure is the same as embodiment 5, different and improvements It is：The component of hot-melting type damping fin 10 include 240 kilograms, the ultra-fine light calcium carbonate powder of 0.5~1 μm of particle diameter, 460 kilograms, particle diameter 0.5 ~1 μm of ultrafine heavy calcium powder, 70 kilograms of mica fine powder, 65 kilograms of pitch, 9 kilograms of asphalt modifier such as SBS styrene Or EVA ethylene-vinyl acetate copolymers, 6 kilograms of softening agent such as vegetable oil, rubber oil, friction oil etc., 5 kilograms of fiber Such as flaxen fiber, aramid fiber, wherein：The procedure of processing of ultrafine heavy calcium powder is：

Step 1: corase grind：First calcite is sent into grinder after mechanical crushing and is ground, it is thick to obtain calcium carbonate Powder；

Step 2: mixing：When calcium carbonate coarse powder, 4 kilograms of EVA and water are sufficiently mixed as lyophilized presoma mixing, It can also be mixed with homogenizer, effect is more preferable, but cost is high；

It is Step 3: quick-frozen：Lyophilized presoma is tiled insert after mould -38 DEG C or so quick freezing repository it is quick-frozen into bulk；

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

Lyophilized process curve 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 85 DEG C/min, is kept for 30 minutes, vacuum control is within 80Pa；

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

D, export is made and is 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 ultrafine heavy calcium powder, swept using Flied emission Face microscope carries out pattern and constituent analysis to powder body material, and the particle surface of obtained ultrafine heavy calcium powder is more or less after grinding Deep or shallow micropore.

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, 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 -40 DEG C or so quick freezing repositories after mould；

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

The present embodiment hot-melt damping piece cools down and the processing method of blanking units, step are：

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

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

3rd, calcium powder adds：Lyophilized obtained ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, mica powder input kneader are continued to stir Mix 5 minutes or so, experiment is diluted with water in the fluid after stirring, taking precipitate carries out microscope and powder body material is carried out again Pattern and constituent analysis, it is found that around particle in more or less pitch infiltration into microporous；Also the knot of pitch and particle is indicated that Conjunction degree improves；

4th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin 10 with to roll tablet.

Remaining step is the same as embodiment 5.

Hot-melt damping piece 10 made from the present embodiment, whole lyophilized technique process only 2 hours or so, production cost is not Can improve how much, moreover, after pitch infiltration into microporous, match the dicalcium powder greatly improved, light calcium carbonate powder also has to the smell of pitch A kind of slow releasing function, batch in the pernicious gas short time is avoided to produce and produce harm to human body.

Embodiment 7

The hot-melt damping piece 10 of the present embodiment, solvent and step are different and the improvement is that with embodiment 6： Asphalt modifier and/or softening agent can respectively be added in step 2 and step 2, to play its effect as far as possible, avoided After all being applied in certain step, its decreased effectiveness.

Embodiment 8

The hot-melt damping piece 10 of the present embodiment, solvent are different and the improvement is that with embodiment 5：

The procedure of processing of ultrafine heavy calcium powder is：

Step 1: corase grind：First calcite is sent into grinder after mechanical crushing and is ground, it is thick to obtain calcium carbonate Powder；

Step 2: mixing：When calcium carbonate coarse powder, 4 kilograms of EVA and water are sufficiently mixed as lyophilized presoma mixing, It can also be mixed with homogenizer, effect is more preferable, but cost is high；Add 2.5 times that water consumption is coarse powder gross weight；

It is Step 3: quick-frozen：Lyophilized presoma is tiled insert after mould -38 DEG C or so quick freezing repository it is quick-frozen into bulk, Balance thickness 6cm；

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

Lyophilized process curve 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 minutes, are evacuated to 100Pa Within；

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

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

D, export is made and is lyophilized into cellular block of material；

The condenser temperature of each step of freeze drying is controlled below -30 DEG C above；

Step 5: fine grinding：Cellular block of material is sent into grinder to carry out being finely ground to ultrafine heavy calcium powder.

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, 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 mould, thickness 5.0cm, inserts -40 DEG C or so quick freezing repository speed It is frozen into bulk；

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

The processing method of the present embodiment hot-melt damping piece, step are：

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 into 10 mesh Clock；

4th, calcium powder adds：Lyophilized obtained ultrafine heavy calcium powder and ultra-fine light calcium carbonate powder, mica powder input kneader are continued to stir Mix 5 minutes or so；

5th, extrude：After stirring terminates, it is transferred to extruder extrusion and generates hot-melting type damping fin 10 with to roll tablet.

Remaining step is the same as embodiment 5.

Hot-melt damping piece 10 made from the present embodiment, whole lyophilized technique process only 2 hours or so, production cost is not Can improve how much, moreover, after pitch infiltration into microporous, match the dicalcium powder greatly improved, light calcium carbonate powder also has to the smell of pitch A kind of slow releasing function, batch in the pernicious gas short time is avoided to produce and produce harm to human body.The hot-melting type of the present embodiment Damping fin viscoelastic property is good, especially suitable molten type damping fin punching press cutting means punching of the present utility model, coordinates breaking strength More than 20Mpa, elongation rate of tensile failure is more than 400% special-purpose nylon conveyer belt, and the damping monolithic after punching is applied without flash After automobile, the excellent bonding performance with car crust, damping and soundproof effect are good, and especially pernicious gas is few, are a kind of environment The damping fin of friendly.

Embodiment 9

The hot-melt damping piece cooling of the present embodiment and blanking units, basic structure is the same as embodiment 5, different and improvements It is：As shown in figure 3, the spongy layer 812 with the uniform thickness of blade 811 is covered with around the cutter 811 of cutting die 81.

The setting of spongy layer 812 in the present embodiment, in punching, blade 811 can be cleared up, and can be in sponge A small amount of lubricating oil is sprayed in layer 812, to keep the cleaning of the edge of a knife and lubrication, further reduces the generation of flash.

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

Claims (5)

1. a kind of hot-melt damping piece cooling and blanking units, it is characterised in that including：Air cooling mechanism (7), punching press cutting means Body (8) and the dedicated conveyer belt (9) through the punching press cutting means body (8) transmission hot-melting type damping fin (10)；Its In：

The air cooling mechanism (7) includes air cooled box (71), hair-dryer (73) and air-cooled conveyer belt (74)；In the air cooled box (71) Hair-dryer (73) is fixed with, and is buckled on the surface of air-cooled conveyer belt (74)；The end of the air-cooled conveyer belt (74) and specially Connected, and hot-melting type damping fin (10) passed to special defeated by hot-melting type damping fin (10) in conveying with conveyer belt (9) Send band (9)；

Two platforms (82) of the punching press cutting means body (8) including dedicated conveyer belt (9) both sides, keep flat and be fixed on two The stamping station (83) and lift height adjustment mechanism (84) of individual platform (82) side；The stamping station (83) passes through lift The cutting die (81) that height adjustment mechanism (84) connection stamping station (83) bottom is detachably installed.

2. hot-melt damping piece cooling according to claim 1 and blanking units, it is characterised in that：The air cooled box (71) Top is open opening, and filter (72) is fixedly connected with opening；The downward blow-through hot-melting type of wind direction of the hair-dryer (73) Damping fin (10)；

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

3. hot-melt damping piece cooling according to claim 1 and blanking units, it is characterised in that：Also include setting respectively In stamping station (83) front and rear sides, 2 cutting die width adjustment mechanisms (85) directly over dedicated conveyer belt (9).

4. hot-melt damping piece cooling according to claim 3 and blanking units, it is characterised in that：The cutting die width is adjusted Section mechanism (85) includes cylinder (851), leading screw (852), ball-type width adjusting frame (853), positioning framework (854), cutting die and held Fixed mount (855) and screw 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 block (856)；Each spiral shell Hole block (856) is both secured to respective cutting die and accepted in fixed mount (855)；The positioning framework (854) is in downwardly open frame Shape, back-off accept the top of fixed mount (855) in cutting die, and the top of positioning framework (854) sets cylinder (851), the cylinder (851) after the expansion link in accepts fixed mount (855) through positioning framework (854) and cutting die, screw block (856) is acted on.

5. hot-melt damping piece cooling according to claim 4 and blanking units, it is characterised in that：The cutting die is accepted solid Determine the bottom of frame (855), be inside provided with the neck (8551) of screens cutting die (81)；The breaking strength of the dedicated conveyer belt (9) is big In 20Mpa, elongation rate of tensile failure is more than 400%.