CN204638965U - The fixed fin forming machine of patrix - Google Patents

Abstract

The utility model relates to the fixed fin forming machine of a kind of patrix, it is characterized in that: comprise frame, is made up of, upper machine plate is provided with mold mounting plate upper machine plate, lower machine plate and guide pillar; Lower bolster, is located at bottom in frame and along the upper and lower slippage of guide pillar, can be provided with counterdie and installs slide plate above lower bolster; Keep-spring, to be set on guide pillar and to be supported between machine plate and lower bolster; Two between left and right every and the rod for stiring materials vertically arranged, with counterdie, slide plate is installed after rod for stiring materials is upward through lower bolster and is connected; Driven the power transmission shaft rotated by motor, to be located in frame and to be positioned at below lower bolster, between power transmission shaft and lower bolster, being provided with cam driving structure; Demolding structure, is located between lower bolster and upper machine plate.Because patrix does not need to do upper and lower punching press action, original upper driving shaft, cope match-plate pattern and cam driving structure between the two just can be removed, and the Accuracy eliminating Hooks coupling universal coupling wearing and tearing in original structure and produce.

Description

The fixed fin forming machine of patrix

Technical field

The utility model belongs to the molded machine tool field of fin Special punching, particularly relates to the fixed fin forming machine of a kind of patrix.

Background technology

Aluminum fin-stock is a kind of component be widely used on the equipment such as automobile aluminum radiator of water tank, cocurrent flow type condenser, parallel flow evaporators, radiator or surface cooler, air quantity variable air conditioner cabinet, fan coil and heat exchanger, its Main Function is the effect playing heat radiation, plate-fin heat exchanger has compact conformation, lightweight, the advantage of heat exchange efficiency, especially heat exchange efficiency are higher than other heat exchangers by 30%.Fin is the critical component of plate-fin heat exchanger, accounts for more than 80% of whole heat exchanger volume, and the precision of fin directly affects the heat exchange efficiency of plate-fin heat exchanger and reliable, security performance.

Market have special in produce the forming machine of fin, notification number as the applicant's application is the Chinese utility model patent " a kind of plate-fin heat exchanger high accuracy fin forming machine " of CN202845637U, and publication number is a kind of fin molding machine that the Chinese invention patent " a kind of SERVO CONTROL fin forming machine " of CN103357779A all discloses, upper and lower two line shafts are equipped with in this two classes fin forming machine, synchronous axial system after these two line shafts are connected by Hooks coupling universal coupling, upper and lower two line shafts by cam drive mechanism drive cope match-plate pattern and lower bolster locking phase to or counter motion, to realize the shaping Sheet Metal Forming Technology process of fin.This version requires very high to the assembly precision of Hooks coupling universal coupling, must ensure the consistent of upper and lower shaft angle degree.The parts of forming machine needs are many in addition, and drive mechanism is complicated, causes cost high, and volume is large, Heavy Weight, is inconvenient to assemble transport.In fin production process, if Hooks coupling universal coupling produces larger running clearance because of wearing and tearing, then can affect the precision of equipment shaping fin.

This two classes fin forming machine is when producing fin, and stripper plate all maintains static, and namely the mould of plate-fin heat exchanger fin adopts fixing ejection technique.For making the demoulding reliable, the applicant also application publication number is the fin forming machine demolding structure that the Chinese utility model patent " a kind of fin forming machine bottom knockout follower structure " of CN204122643U discloses, and bottom knock out bar can move along with counterdie level of synchronization.No matter which kind of mould emptier; its mould emptier all can not frame fluctuate relatively; this stripping means is only suitable in the fin forming machine that bolster all synchronously moves up and down; for simplifying shaping machine structure; reduce costs, the pre-a kind of fin moulding process newly developed of the applicant, this moulding process needs patrix to maintain static; only have counterdie to move up and down with lower bolster, original like this stripper plate maintains static mode and just no longer adapts to this technique.

Reciprocating feeding mechanism in aforementioned fin forming machine adopts two cams as power source, cam often rotates one week, feed mechanism realizes once back and forth feeding, feeding intermediary position is ensured by cam curve, back-moving spring provides restoring force during feed mechanism backhaul, first oscillating bearing achieves slip and the rotation of fork, drives charging ram interval high-frequency horizontal reciprocating to move, realize interval, high-frequency feeding by the swing of fork; Because charging ram has spaced two of left and right, and driven by two groups of identical cam link mechanisms, realize synchronous before and after move back and forth, the parts driven by charging ram can more steadily be promoted, and guarantee that feeding is steady; Often organizing cam link mechanism adopts symmetrical rigidity to come and go feeding structure, ensures that feeding puts in place; Also drive oscillating bearing along the upper and lower slippage of fork by drives structure in addition, cause the length variations at fork fulcrum two ends, realize the adjustment of feeding stroke.Right aforementioned high-precision reciprocating feeding mechanism has the following disadvantages: in its structure, charging ram is an entirety, when two, left and right pusher because of gap difference can not horizontal parallel feeding time, cannot regulate.And former and later two guiding points of charging ram are positioned at inside free bearing, the spacing between guiding point is too little, and guiding accuracy is not high.

Utility model content

Technical problem to be solved in the utility model provides a kind of structure more advantages of simple and produce the higher fixed fin forming machine of patrix of fin precision.

The utility model solves the problems of the technologies described above adopted technical scheme: the fixed fin forming machine of a kind of patrix, it is characterized in that: comprise frame, be made up of upper machine plate, lower machine plate and the guide pillar be located between upper machine plate and lower machine plate, described upper machine plate can move up and down by guide pillar relatively, upper machine plate is provided with mold mounting plate, and the guide pillar above upper machine plate is provided with the position limiting structure upper machine plate being carried out to upper limit; Lower bolster, is located at bottom in frame and along the upper and lower slippage of guide pillar, can be provided with the counterdie installation slide plate of slippage before and after energy above lower bolster; Keep-spring, to be set on guide pillar and to be supported between machine plate and lower bolster; Two between left and right every and the rod for stiring materials vertically arranged, installs slide plate with counterdie after rod for stiring materials is upward through lower bolster and be connected, rod for stiring materials is driven by reciprocating feeding mechanism and can drive slippage before and after counterdie installation slide plate; Driven the power transmission shaft rotated by motor, to be located in frame and to be positioned at below lower bolster, being provided with cam driving structure between power transmission shaft and lower bolster to drive lower bolster along the upper and lower slippage of guide pillar; Demolding structure, is located between lower bolster and upper machine plate.

Above-mentioned demolding structure comprise between left and right every and the two pack support guide rods that vertically arrange, each support guide vertically can move up and down through lower bolster; Two roller mount, are separately fixed at the lower end of support guide, are provided with the roller that can rotate around own axes in roller mount, each roller respectively with corresponding support cam contact; Two stand spring, are set on corresponding support guide respectively, and the two ends up and down of each stand spring are supported between lower bolster and roller mount respectively, keep the trend with support cam contact to make the roller in roller mount; Two demoulding supporting seats, are separately fixed at the upper end of corresponding support guide; Stripper plate assembly, its two ends, left and right are connected on two described demoulding supporting seats.

Stripper plate assembly is arranged on demoulding supporting seat, and demoulding supporting seat can move up and down with two pack support guide rods, as cope match-plate pattern maintains static, each stripper plate and lower bolster synchronously move down, by the drive of upper stripper plate to fin, realize the demoulding of fin and patrix, after the upper demoulding completes, each stripper plate stops moving down, and counterdie continues to move down, by the stop of bottom knock out bar to fin, realize the demoulding of fin and counterdie.This demolding structure can adapt to patrix and maintain static, and only has the fin moulding process that counterdie moves up and down with lower bolster.

The head of above-mentioned support guide is provided with threaded shank, and one end of demoulding supporting seat has screwed hole, and threaded shank is threaded in screwed hole, and threaded shank has also been threaded two clamp nuts, and two clamp nuts clamp demoulding supporting seat one on the other; For different mould, also regulate the height of this demolding structure by two clamp nuts.Two support guide are had in every pack support guide rod, described roller is between two support guide with group, lower bolster has the perforation of passing for support guide, perforation internal fixtion has support guide pin bushing, support guide is through described support guide pin bushing, and two up and down of support guide pin bushing inside is provided with to the self-lubricating copper sheathing of support guide guiding.Arrange two support guide can lead to support guide more reposefully, make the stripper plate assembly on it run more steady up and down.

Above-mentioned stripper plate assembly comprises stripper plate of going forward, lower front stripper plate, upper rear stripper plate and lower rear stripper plate; Demoulding supporting seat described in each is equipped with the slide block of slippage before and after energy, the briquetting in inverted L-shaped of the two time intervals settings that this slide block is fixed on demoulding supporting seat constrains on described demoulding supporting seat; Be connected to be with slippage before and after movable slider with described slide block after described rod for stiring materials is upward through the perforation on demoulding supporting seat; Described two ends, left and right of going forward stripper plate and lower front stripper plate are separately fixed at two pieces and are positioned on anterior briquettings, and go forward stripper plate and lower front stripper plate are between the upper and lower every shifting to install; The two ends, left and right of described rear stripper plate are separately fixed at two pieces and are positioned on the briquetting at rear portion, and the two ends, left and right of described lower rear stripper plate are then separately fixed on two slide blocks, and upper rear stripper plate and lower rear stripper plate are between the upper and lower every shifting to install; Each front stripper plate and each rear stripper plate again time interval setting pass for molding cutter.

Aforementioned stripper plate assembly is divided into upper and lower two-layer stripper plate, cope match-plate pattern maintains static, each stripper plate and lower bolster synchronously move down, by the drive of upper stripper plate to fin, realize the demoulding of fin and patrix, after the upper demoulding completes, each stripper plate stops moving down, counterdie continues to move down, and by the stop of bottom knock out bar to fin, realizes the demoulding of fin and counterdie.After lower in addition stripper plate can with the synchronous anterior-posterior horizontal slippage of rod for stiring materials, the lower cutter in finned blade forming counterdie and the gap of stripper plate remain constant, and namely the downward demoulding gap of fin immobilizes, and ensure that effective demoulding on fin both sides.

The upper left right septum of above-mentioned lower bolster is fixed with the limited block in inverted L-shaped, counterdie installs slide plate between two pieces of described limited blocks, the left and right lateral surface of counterdie installation slide plate is respectively fixed with side guiding copper bar, what counterdie installed the upper surface of slide plate is each side fixed with the copper bar that to lead on, perpendicular inside described limited block props up side guiding copper bar, and the water surface plane inside limited block props up guiding copper bar; When counterdie installation slide plate moves horizontally along the longitudinal direction, the side guiding copper bar be symmetrically arranged installs the mobile guide of slide plate to counterdie, when lower bolster moves straight down, limited block props up guiding copper bar, thus prop up counterdie install slide plate follow lower bolster to move straight down.Guarantee that counterdie installs the vertical of slide plate horizontal movement and vertical motion, effectively ensure that this forming machine for fin of plate-fin heat of use can produce high accuracy fin.The copper bar that leads in addition is more smooth, and make the slippage of counterdie installation slide plate more smooth and easy, after wearing and tearing, replacing also facilitates.The left and right sides that described counterdie installs slide plate is provided with the step shoulder platform run through along the longitudinal direction, described side guiding copper bar is fixed on the lateral surface of step shoulder platform, described upper guiding copper bar is arranged on the low plane of step shoulder platform, and the horizontal part of described limited block stretches in step shoulder platform.Step shoulder platform provides suitable installation position to guiding copper bar, and guiding copper bar also can not be made in addition to give prominence to counterdie and install slide plate, the horizontal part of limited block stretches in step shoulder platform, reduce the thickness of limited block, layout is more reasonable, and reduces consumptive material, reduces costs.

Above-mentioned position limiting structure comprises position-limited wheel, be threaded in be positioned at machine plate top guide pillar on, position-limited wheel is directly or indirectly conflicted with the upper surface of upper machine plate and limits machine plate and move upward, and the periphery of each position-limited wheel is fixed with drive sprocket; Chain, it engages with each drive sprocket successively and is closed circular; Servomotor, be arranged on described upper machine plate, the output shaft of servomotor is provided with drive sprocket, and this drive sprocket engages with described chain with chain drive-belt action.Upper machine plate is moved down by machine plate on support spring upwards jack-up restriction, is then limited by the stop of position-limited wheel on upper machine plate and move above upper machine plate; When regulating wing high (namely going up the shut height between machine plate and lower bolster), machine operation, is synchronously driven by chain and sprocket wheel, and each position-limited wheel is rotated, under the drive of screw-driven, position-limited wheel move down or on move; Position-limited wheel moves down, and the support force that in promotion, machine plate and cope match-plate pattern overcome keep-spring moves down, the height reduction (shut height namely gone up between machine plate and lower bolster reduces) that wing is high; Position-limited wheel moves, upper machine plate and cope match-plate pattern under the elastic force effect of keep-spring on move, the high height of wing raises (shut height namely gone up between machine plate and lower bolster strengthens); Compare with existing wing height governor motion, it saves four oil cylinders and related Control System, and cost reduces greatly, and adjustment process only needs machine operation in addition, therefore this wing high adjustment structure also can regulate under open state, and operating efficiency is high.

Above-mentioned reciprocating feeding mechanism comprises the charging ram constraining in slippage before and after energy level in frame and the free bearing be located on charging ram, and described free bearing is driven and slippage before and after energy level by the swing-bar mechanism being positioned at below, described charging ram comprises connecting rod and Nut pole, the equal car of the head of connecting rod and the inside of Nut pole has screw thread, described rod for stiring materials is sheathed and retrain the middle part of connecting rod, connecting rod is threaded with Nut pole through after the shoulder hole of free bearing, conflict with Nut pole for one of free bearing, the other end of free bearing is compressed by the first nut be threaded on connecting rod, described frame is also fixed with first carrier base with the first pilot hole and second carrier base with the second pilot hole, described Nut pole inserts in the first pilot hole with the front and back slippage guiding to Nut pole, the tail end of described connecting rod inserts in the second pilot hole with the front and back slippage guiding to connecting rod.

Charging ram guiding point moves on on first, second carrier base of outermost, distance between guiding point increases, guiding accuracy improves, when two, left and right charging ram because of gap difference can not horizontal parallel feeding time, the first nut can be sent out, turn Nut pole, to regulate the relative position of free bearing on connecting rod, after adjustment puts in place, screw the first nut again, by realizing to the fine setting of the relative position of free bearing on connecting rod the difference eliminating left and right charging ram, effectively guarantee the feeding of two charging ram energy horizontal parallel.

Above-mentioned Nut pole is arranged in the first pilot hole by the first lubricating bearings, and the tail end of connecting rod is arranged in the second pilot hole by the second lubricating bearings; By the setting of lubricating bearings, better can lead to Nut pole and connecting rod, make them only can keep horizontal sliding.Described first nut outer end is by the first locking nut and the locking of the first elastomeric pad.By the locking of locking nut and elastomeric pad, prevent the first nut loosening, be fixed on safe for free bearing on charging ram.Have annular shoulder block portion in the middle part of described connecting rod, described rod for stiring materials is pressed in described annular shoulder block portion by the second nut, and the outer end of the second nut is by the second locking nut and the locking of the second elastomeric pad.More than for rod for stiring materials being fixed on the concrete structure on connecting rod, alternate manner certainly also can be adopted to fix.Described Nut pole stretches in the macropore portion of the shoulder hole of free bearing, and contacts with the bottom surface, macropore portion of the shoulder hole of described free bearing by being set in the 3rd elastomeric pad on connecting rod.3rd bullet pad is used for preventing Nut pole from loosening.

The supported underneath of above-mentioned lower bolster has four support springs, is supported on four edges below lower bolster respectively; On the lower machine plate of described frame, the left and right sides is fixed with two pieces of support plates, and two pieces of support plates are positioned at the below of lower machine plate, and the upper end of described support spring is supported on the lower surface of lower bolster, and the lower end of support spring is supported on the upper surface of corresponding support plate.The support spring of many high rigidity is added in the below of lower bolster, in order to the power sum of the weight and four keep-springs of offsetting lower bolster and upper-part thereof, thus alleviate in forming machine the cam of the cam drive be arranged in below lower bolster and the stressed of roller, reduce the wearing and tearing of cam and roller, extend the service life of cam and roller.

Four edges of above-mentioned lower bolster respectively have a screwed hole vertically run through, be threaded in each screwed hole threaded post from top to bottom, each support plate is fixed with two post portions, the movable upper end in post portion inserts in threaded post, described support spring is set in this post portion, and the upper end of support spring upwards to enter in screwed hole and conflicts with the lower surface of threaded post; The part that described threaded post upwards exposes screwed hole has also been threaded locking nut.

Compared with prior art, the utility model has the advantage of: this forming machine is in fin forming process, patrix is fixed on machine plate, up and down can not slippage, counterdie is only had to carry out the shaping of fin with the upper and lower slippage of lower bolster, because patrix does not need to do upper and lower punching press action, original upper driving shaft, cope match-plate pattern and cam driving structure between the two just can be removed, and the Accuracy eliminating Hooks coupling universal coupling wearing and tearing in original structure and produce.

Accompanying drawing explanation

Fig. 1 is the front view of the utility model embodiment;

Fig. 2 is the top view of the utility model embodiment;

Fig. 3 is the side view of the utility model embodiment;

Fig. 4 is the structural representation of the utility model embodiment frame;

Fig. 5 is the front view of demolding structure part in the utility model embodiment;

Fig. 6 is the right side cross-sectional view of Fig. 5;

Fig. 7 is the top view of demolding structure part in the utility model embodiment;

Fig. 8 is that the A-A of Fig. 5 is to cutaway view Amplified image;

Fig. 9 is that in the utility model embodiment, counterdie installs the front view that guiding state installed by slide plate;

Figure 10 is the B place enlarged drawing of Fig. 9;

Figure 11 is that in the utility model embodiment, counterdie installs the top view that guiding state installed by slide plate;

Figure 12 is the front view of reciprocating feeding mechanism in the utility model embodiment;

Figure 13 is the top view of reciprocating feeding mechanism in the utility model embodiment.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.

As shown in figs. 1-13, be a preferred embodiment of the present utility model.

The fixed fin forming machine of a kind of patrix, comprises

Frame 1, it is made up of upper machine plate 11, lower machine plate 12 and the guide pillar 13 be located between upper machine plate 11 and lower machine plate 12, upper machine plate 11 can move up and down by guide pillar 13 relatively, upper machine plate 11 is provided with mold mounting plate 14, upper mold mounting plate 14 is in order to fixing patrix, and the guide pillar 13 above upper machine plate 11 is provided with the position limiting structure upper machine plate 11 being carried out to upper limit.

Lower bolster 3, being located at bottom in frame 1 also can along guide pillar about 13 slippage, and the counterdie being provided with slippage before and after energy above lower bolster 3 installs slide plate 2, and counterdie installs slide plate 2 in order to fixing counterdie.

Keep-spring 4, to be set on guide pillar 13 and to be supported between machine plate 11 and lower bolster 3.

Two between left and right every and the rod for stiring materials 5 vertically arranged, rod for stiring materials 5 is installed slide plate 2 with counterdie after being upward through lower bolster 3 and is connected, and rod for stiring materials 5 is driven by reciprocating feeding mechanism and can drive slippage before and after counterdie installation slide plate 2.

Driven the power transmission shaft 15 of rotation by motor 152, to be located in frame 1 and to be positioned at the below of lower bolster 3, being provided with cam driving structure 151 between power transmission shaft 15 and lower bolster 3 to drive lower bolster 3 along guide pillar about 13 slippage.

Demolding structure, is located between lower bolster 3 and upper machine plate 11.

This forming machine is in fin forming process, patrix is fixed on machine plate 11, up and down can not slippage, counterdie is only had to carry out the shaping of fin with lower bolster about 3 slippage, because patrix does not need to do upper and lower punching press action, just can remove original upper driving shaft, cope match-plate pattern and cam driving structure between the two, and the Accuracy eliminating Hooks coupling universal coupling wearing and tearing in original structure and produce.

As shown in figures 1-4, aforementioned position limiting structure comprises position-limited wheel 25, be threaded in be positioned at machine plate 11 top guide pillar 13 on, position-limited wheel 25 is directly or indirectly conflicted with the upper surface of upper machine plate 11 and limits machine plate 11 and move upward, and the periphery of each position-limited wheel 25 is fixed with drive sprocket 26.Chain 27, it engages with each drive sprocket 26 successively and is closed circular; Servomotor 28, is arranged on machine plate 11, the output shaft of servomotor 28 is provided with drive sprocket 29, and this drive sprocket 29 engages with chain 27 with chain drive-belt action.

When wing high (namely going up the shut height between machine plate 11 and lower bolster 3) will be regulated, servomotor 28 works, and is synchronously driven by chain 27 and drive sprocket 26, and each position-limited wheel 25 is rotated, under the drive of screw-driven, position-limited wheel 25 move down or on move; Position-limited wheel 25 moves down, and the support force that in promotion, machine plate 11 and upper mold mounting plate 14 overcome keep-spring 4 moves down, the height reduction (shut height namely gone up between machine plate 11 and lower bolster 3 reduces) that wing is high; Position-limited wheel 25 moves, upper machine plate 11 and upper mold mounting plate 14 under the elastic force effect of keep-spring 4 on move, the high height of wing raises (shut height namely gone up between machine plate 11 and lower bolster 3 strengthens); Compare with existing wing height governor motion, it saves four oil cylinders and related Control System, and cost reduces greatly, and adjustment process only needs machine operation in addition, therefore this wing high adjustment structure also can regulate under open state, and operating efficiency is high.

As shown in figures 5-8, demolding structure comprises

Two support cams 8, are arranged on the two ends, left and right of power transmission shaft 15 respectively and can rotate with power transmission shaft 15.

Between left and right every and the two pack support guide rods 6 that vertically arrange, support guide 6 vertically can move up and down through lower bolster 3.

Two roller mount 7, are separately fixed at the lower end of support guide 6, are provided with the roller 71 that can rotate around own axes in roller mount 7, and each roller 71 contacts with corresponding support cam 8 respectively; Support cam 8 has roughly in the circular curve 81 of 180 °, and is respectively the eccentric curve 82 of roughly 90 °.

Two stand spring 10, are set on corresponding support guide 6 respectively, and the two ends up and down of each stand spring 10 are supported between lower bolster 3 and roller mount 7 respectively, keep the trend contacted with support cam 4 to make the roller 8 in roller mount 7.

Two demoulding supporting seats 9, are separately fixed at the upper end of corresponding support guide 6.

Stripper plate assembly, its two ends, left and right are connected on two demoulding supporting seats 9.

The head of support guide 6 is provided with threaded shank 61, one end of demoulding supporting seat 9 has screwed hole 91, threaded shank 61 is threaded in screwed hole 91, and two clamp nuts, 62, two clamp nuts 62 that threaded shank 61 has also been threaded clamp demoulding supporting seat 9 one on the other; Two support guide 6 are had in every pack support guide rod 6, roller 71 is between two support guide 6 with group, lower bolster 3 has the perforation of passing for support guide 6, perforation internal fixtion has support guide pin bushing 63, support guide 6 is through described support guide pin bushing 63, and two up and down of support guide pin bushing 63 inside is provided with the self-lubricating copper sheathing 64 led to support guide 6.

Stripper plate assembly comprises stripper plate 16 of going forward, lower front stripper plate 17, upper rear stripper plate 18 and lower rear stripper plate 19; Each described demoulding supporting seat 9 is equipped with the slide block 20 of slippage before and after energy, the briquetting 21 in inverted L-shaped of the two time intervals settings that this slide block 20 is fixed on demoulding supporting seat 9 constrains on demoulding supporting seat 9; Rod for stiring materials 5 is connected to be with slippage before and after movable slider 20 with slide block 20 after being upward through the perforation 92 on demoulding supporting seat 9; The go forward two ends, left and right of stripper plate 16 and lower front stripper plate 17 are separately fixed at two pieces and are positioned on anterior briquettings 21, and go forward stripper plate 16 and lower front stripper plate 17 are between the upper and lower every shifting to install; The two ends, left and right of upper rear stripper plate 18 are separately fixed at two pieces and are positioned on the briquetting 21 at rear portion, and the two ends, left and right of lower rear stripper plate 19 are then separately fixed on two pieces of slide blocks 20, and upper rear stripper plate 18 and lower rear stripper plate 19 are between the upper and lower every shifting to install; Each front stripper plate 16,17 and each rear stripper plate 18,19 again time interval setting pass for molding cutter.

Because stripper plate assembly is arranged on demoulding supporting seat, and demoulding supporting seat 9 can move up and down with two pack support guide rods 6, as cope match-plate pattern maintains static, each stripper plate 16,17,18,19 and lower bolster 3 synchronously move down, by the drive of upper stripper plate 16,18 pairs of fins, realize the demoulding of fin and patrix, after the upper demoulding completes, each stripper plate stops moving down, and counterdie continues to move down, by the stop of bottom knock out bar to fin, realize the demoulding of fin and counterdie.Therefore this demolding structure can adapt to patrix maintains static, only has the fin moulding process that counterdie moves up and down with lower bolster.

As shown in Fig. 9 ~ 11, the upper left right septum of lower bolster 3 is fixed with the limited block 31 in inverted L-shaped, counterdie installs slide plate 2 between two pieces of limited blocks 31, the left and right lateral surface of counterdie installation slide plate 2 is respectively fixed with side guiding copper bar 22, what counterdie installed the upper surface of slide plate 2 is each side fixed with the copper bar 23 that to lead on, perpendicular inside limited block 31 props up side guiding copper bar 22, and the water surface plane inside limited block 31 props up guiding copper bar 23; The left and right sides that counterdie installs slide plate 2 is provided with the step shoulder platform 24 run through along the longitudinal direction, side guiding copper bar 22 is fixed on the lateral surface of step shoulder platform 24, upper guiding copper bar 23 is arranged on the low plane of step shoulder platform 24, and the horizontal part of limited block 31 stretches in step shoulder platform 24.When counterdie installation slide plate 2 moves horizontally along the longitudinal direction, two side guiding copper bar 22 pairs of counterdies be symmetrically arranged install the mobile guide of slide plate 2, when lower bolster 3 moves straight down, limited block 31 props up guiding copper bar 23, thus prop up counterdie install slide plate 2 follow lower bolster 3 to move straight down.

As shown in Figure 12,13, reciprocating feeding mechanism comprises the charging ram constraining in slippage before and after energy level in frame 1 and the free bearing 30 be located on charging ram, and free bearing 30 is driven and slippage before and after energy level by the swing-bar mechanism 32 being positioned at below; Swing-bar mechanism 4 can the referenced patent number Chinese utility model patent " high-precision reciprocating feeding mechanism for fin forming machine " that is ZL201220533882.4 (notification number is CN202963262U).Charging ram comprises connecting rod 33 and Nut pole 34, the head of connecting rod 33 and the equal car in inside of Nut pole 34 have screw thread, rod for stiring materials 5 is sheathed and retrain the middle part of connecting rod 33, connecting rod 33 is threaded with Nut pole 34 through after the shoulder hole 301 of free bearing 30, conflict with Nut pole 34 for one of free bearing 30, the other end of free bearing 30 is compressed by the first nut 35 be threaded on connecting rod 33, frame 1 is also fixed with first carrier base 36 with the first pilot hole 361 and second carrier base 37 with the second pilot hole 371, Nut pole 34 inserts in the first pilot hole 361 with the front and back slippage guiding to Nut pole 34, the tail end of connecting rod 33 inserts in the second pilot hole 371 with the front and back slippage guiding to connecting rod 33.

Nut pole 34 is arranged in the first pilot hole 361 by the first lubricating bearings 362, and the tail end of connecting rod 33 is arranged in the second pilot hole 371 by the second lubricating bearings 372; Described first nut 35 outer end is locked by the first locking nut 351 and the first elastomeric pad 352; Have annular shoulder block portion 331 in the middle part of described connecting rod 33, described rod for stiring materials 5 is pressed in described annular shoulder block portion 331 by the second nut 51, and the outer end of the second nut 51 is locked by the second locking nut 52 and the second elastomeric pad 53; Described Nut pole 34 stretches in the macropore portion of the shoulder hole of free bearing 30, and contacts with the bottom surface, macropore portion of the shoulder hole of described free bearing 30 by being set in the 3rd elastomeric pad 332 on connecting rod 33.

Charging ram guiding point moves on on first, second carrier base 36,37 of outermost, distance between guiding point increases, guiding accuracy improves, when two, left and right charging ram because of gap difference can not horizontal parallel feeding time, the first nut 35 can be unclamped, turn Nut pole 34, to regulate the relative position of free bearing 30 on connecting rod 33, after adjustment puts in place, screw the first nut 35 again, by realizing to the fine setting of the relative position of free bearing 30 on connecting rod 33 difference eliminating left and right charging ram, effectively guarantee the feeding of two charging ram energy horizontal parallel.

As shown in Fig. 1,4, the supported underneath of lower bolster 3 has four support springs 40, is supported on four edges below lower bolster 3 respectively; On the lower machine plate 12 of frame, the left and right sides is fixed with two pieces of support plates 38, two pieces of support plates 38 are positioned at the below of lower machine plate 12, the upper end of described support spring 40 is supported on the lower surface of lower bolster 3, and the lower end of support spring 40 is supported on the upper surface of corresponding support plate (38).Four edges of lower bolster 3 respectively have a screwed hole vertically run through 39, be threaded in each screwed hole 39 threaded post 41 from top to bottom, each support plate 38 is fixed with two post portions 381, the movable upper end in post portion 381 inserts in threaded post, described support spring 40 is set in this post portion 381, and the upper end of support spring 40 upwards to enter in screwed hole 39 and conflicts with the lower surface of threaded post 41; The part that described threaded post 41 upwards exposes screwed hole 39 has also been threaded locking nut 411.

The support spring 40 of many high rigidity is added in the below of lower bolster 3, in order to the power sum of the weight and four keep-springs 4 of offsetting lower bolster 3 and upper-part thereof, thus alleviate in forming machine the cam of the cam drive be arranged in below lower bolster 3 and the stressed of roller, reduce the wearing and tearing of cam and roller, extend the service life of cam and roller.

Although more than describe in detail preferred embodiment of the present utility model, should be expressly understood that, for a person skilled in the art, the utility model can have various modifications and variations.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. the fixed fin forming machine of patrix, is characterized in that: comprise

Frame (1), it is made up of upper machine plate (11), lower machine plate (12) and the guide pillar (13) be arranged between upper machine plate (11) and lower machine plate (12), described upper machine plate (11) can move up and down by guide pillar (13) relatively, upper machine plate (11) is provided with mold mounting plate (14), and the guide pillar (13) of upper machine plate (11) top is provided with the position limiting structure upper machine plate (11) being carried out to upper limit;

Lower bolster (3), being located at frame (1) interior bottom also can along guide pillar (13) slippage up and down, and lower bolster (1) top is provided with counterdie installation slide plate (2) of slippage before and after energy;

Keep-spring (4), is set in guide pillar (13) and goes up and be supported between machine plate (11) and lower bolster (3);

Two between left and right every and the rod for stiring materials (5) vertically arranged, rod for stiring materials (5) is upward through lower bolster (3) and installs slide plate (2) afterwards with counterdie and be connected, and rod for stiring materials (5) is driven by reciprocating feeding mechanism and counterdie can be driven to install slippage before and after slide plate (2);

The power transmission shaft (15) rotated is driven by motor (152), to be located in frame (1) and to be positioned at lower bolster (3) below, being provided with cam driving structure (151) between power transmission shaft (15) and lower bolster (3) to drive lower bolster (3) along the upper and lower slippage of guide pillar (13);

Demolding structure, is located between lower bolster (3) and upper machine plate (11).

2. the fixed fin forming machine of patrix according to claim 1, is characterized in that: described demolding structure comprises

Two support cams (8), are arranged on the two ends, left and right of power transmission shaft (15) respectively and can rotate with power transmission shaft (15);

Between left and right every and the two pack support guide rods (6) that vertically arrange, each support guide (6) vertically can move up and down through lower bolster (3);

Two roller mount (7), be separately fixed at the lower end of support guide (6), be provided with the roller (71) that can rotate around own axes in roller mount (7), each roller (71) contacts with corresponding support cam (8) respectively;

Two stand spring (10), be set on corresponding support guide (6) respectively, the two ends up and down of each stand spring (10) are supported between lower bolster (3) and roller mount (7) respectively, keep the trend contacted with support cam (8) to make the roller (71) in roller mount (7);

Two demoulding supporting seats (9), are separately fixed at the upper end of corresponding support guide (6);

Stripper plate assembly, its two ends, left and right are connected on two described demoulding supporting seats (9).

3. the fixed fin forming machine of patrix according to claim 2, it is characterized in that: the head of described support guide (6) is provided with threaded shank (61), one end of demoulding supporting seat (9) has screwed hole (91), threaded shank (61) is threaded in screwed hole (91), threaded shank (61) has also been threaded two clamp nuts (62), and two clamp nuts (62) clamp demoulding supporting seat (9) one on the other; Two support guide (6) are had in every pack support guide rod (6), described roller (71) is positioned between two support guide (6) with group, lower bolster (3) has the perforation of passing for support guide (6), perforation internal fixtion has support guide pin bushing (63), support guide (6) is through described support guide pin bushing (63), and two up and down of support guide pin bushing (63) inside is provided with the self-lubricating copper sheathing (64) led to support guide (6).

4. the fixed fin forming machine of patrix according to claim 2, is characterized in that: described stripper plate assembly comprises stripper plate of going forward (16), lower front stripper plate (17), upper rear stripper plate (18) and lower rear stripper plate (19); Each described demoulding supporting seat (9) is equipped with the slide block (20) of slippage before and after energy, the briquetting (21) in inverted L-shaped of the two time intervals settings that this slide block (20) is fixed on demoulding supporting seat (9) constrains on demoulding supporting seat (9); Described rod for stiring materials (5) perforation (92) be upward through on demoulding supporting seat (9) is connected to be with slippage before and after movable slider (20) afterwards with described slide block (20); The two ends, left and right of described stripper plate of going forward (16) and lower front stripper plate (17) are separately fixed at two pieces and are positioned on anterior briquetting (21), and stripper plate of going forward (16) and lower front stripper plate (17) are between the upper and lower every shifting to install; The two ends, left and right of described rear stripper plate (18) are separately fixed at two pieces and are positioned on the briquetting (21) at rear portion, the two ends, left and right of described lower rear stripper plate (19) are then separately fixed on two pieces of slide blocks (20), and upper rear stripper plate (18) and lower rear stripper plate (19) are between the upper and lower every shifting to install; Each front stripper plate (16,17) and each rear stripper plate (18,19) again time interval setting pass for molding cutter.

5. the fixed fin forming machine of patrix according to claim 1, it is characterized in that: described lower bolster (3) upper left right septum is fixed with the limited block (31) in inverted L-shaped, counterdie is installed slide plate (2) and is positioned between two pieces of described limited blocks (31), the left and right lateral surface of counterdie installation slide plate (2) is respectively fixed with side guiding copper bar (22), what counterdie installed the upper surface of slide plate (2) is each side fixed with the copper bar (23) that to lead on, the perpendicular of described limited block (31) inner side props up side guiding copper bar (22), the water surface plane of limited block (31) inner side props up guiding copper bar (23), the left and right sides that described counterdie installs slide plate (2) is provided with the step shoulder platform (24) run through along the longitudinal direction, described side guiding copper bar (22) is fixed on the lateral surface of step shoulder platform (24), described upper guiding copper bar (23) is arranged on the low plane of step shoulder platform (24), and the horizontal part of described limited block (31) stretches in step shoulder platform (24).

6. the fixed fin forming machine of patrix according to claim 1, is characterized in that: described position limiting structure comprises

Position-limited wheel (25), be threaded in and be positioned on the guide pillar (13) on machine plate (11) top, this position-limited wheel (25) is directly or indirectly conflicted with the upper surface of upper machine plate (11) and limits machine plate (11) and move upward, and the periphery of each position-limited wheel (25) is fixed with drive sprocket (26);

Chain (27), it engages with each drive sprocket (26) successively and is closed circular;

Servomotor (28), be arranged on described upper machine plate (11), the output shaft of servomotor (28) is provided with drive sprocket (29), this drive sprocket (29) engages with described chain (27) with chain drive-belt action.

7. the fixed fin forming machine of patrix according to claim 1, it is characterized in that: described reciprocating feeding mechanism comprises the charging ram constraining in slippage before and after frame (1) upper energy level and the free bearing (30) be located on charging ram, and described free bearing (30) is driven and slippage before and after energy level by the swing-bar mechanism (32) being positioned at below; described charging ram comprises connecting rod (33) and Nut pole (34), the head of connecting rod (33) and the equal car in inside of Nut pole (34) have screw thread, described rod for stiring materials (5) is sheathed and retrain the middle part of connecting rod (33), connecting rod (33) is threaded with Nut pole (34) afterwards through the shoulder hole (301) of free bearing (30), conflict with Nut pole (34) for one of free bearing (30), the other end of free bearing (30) is compressed by the first nut (35) be threaded on connecting rod (33), described frame (1) is also fixed with first carrier base (36) with the first pilot hole (361) and second carrier base (37) with the second pilot hole (371), described Nut pole (34) inserts in the first pilot hole (361) with the front and back slippage guiding to Nut pole (34), the tail end of described connecting rod (33) inserts in the second pilot hole (371) with the front and back slippage guiding to connecting rod (33).

8. the fixed fin forming machine of patrix according to claim 7, it is characterized in that: described Nut pole (34) is arranged in the first pilot hole (361) by the first lubricating bearings (362), the tail end of described connecting rod (33) is arranged in the second pilot hole (371) by the second lubricating bearings (372); Described first nut (35) outer end is by the first locking nut (351) and the first elastomeric pad (352) locking; Described connecting rod (33) middle part has annular shoulder block portion (331), described rod for stiring materials (5) is pressed on described annular shoulder block portion (331) by the second nut (51), and the outer end of the second nut (51) is by the second locking nut (52) and the second elastomeric pad (53) locking; Described Nut pole (34) stretches in the macropore portion of the shoulder hole of free bearing (30), and is contacted with the bottom surface, macropore portion of the shoulder hole of described free bearing (30) by the 3rd elastomeric pad (332) be set on connecting rod (33).

9. the fixed fin forming machine of patrix according to claim 1, it is characterized in that: the supported underneath of described lower bolster (3) has four support springs (40), be supported on four edges of lower bolster (3) below respectively; The upper left and right sides of lower machine plate (12) of described frame is fixed with two pieces of support plates (38), two pieces of support plates (38) are positioned at the below of lower machine plate (12), the upper end of described support spring (40) is supported on the lower surface of lower bolster (3), and the lower end of support spring (40) is supported on the upper surface of corresponding support plate (38).

10. the fixed fin forming machine of patrix according to claim 9, it is characterized in that: four edges of described lower bolster (3) respectively have a screwed hole vertically run through (39), the threaded post that has been threaded from top to bottom in each screwed hole (39) (41), each support plate (38) is fixed with two post portions (381), the movable upper end in post portion (381) inserts in threaded post, described support spring (40) is set in this post portion (381), the upper end of support spring (40) upwards to enter in screwed hole (39) and conflicts with the lower surface of threaded post (41), the part that described threaded post (41) upwards exposes screwed hole (39) has also been threaded locking nut (411).