CN209365343U - A kind of waste material removal mechanism of blow mold - Google Patents

Abstract

The utility model relates to technical field of mold, more specifically, it is related to a kind of waste material removal mechanism of blow mold, its key points of the technical solution are that: including the frame plate for installing blow mold, cutter device is provided on the frame plate on the upside of blow mold, the blow mold upper end is covered with the backform to form closed chamber, is provided on the blow mold and jacks up the jacking system that backform forms cutter insert port；The cutter insert port in cutter device insertion shape chamber for cutting；The blow mold bottom is provided with the drawing tail apparatus of drop-down removal tailing.A kind of waste material removal mechanism of blow mold of the utility model has the advantages that improve box body production efficiency.

Description

A kind of waste material removal mechanism of blow mold

Technical field

The utility model relates to technical field of mold, more specifically, it relates to which a kind of waste material of blow mold removes machine Structure.

Background technique

Blow moulding machine is to squeeze out sealant pipe by extruder, and hang from above and be installed on closing immediately below head in advance In the mold cavity of conjunction, upper lower sealing is closed immediately after sagging parison reaches defined length, is passed through from upper sealing aperture Compressed air makes preform blowup be close to die wall and shape, pressure maintaining, and after product, product is taken out in die sinking after cooling and shaping in type chamber.

When producing box body open at one end with the mold of blow moulding machine, need manually to carry out cutting openings, and box body tail Portion also has tailing, it is also desirable to manually be purged, therefore time-consuming and laborious, production efficiency is lower.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of removals of the waste material of blow mold Mechanism has the advantages that improve box body production efficiency.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of giving up for blow mold Material removal mechanism is provided on the frame plate on the upside of blow mold including the frame plate for installing blow mold Cutter device, the blow mold upper end are covered with the backform to form closed chamber, jack-up are provided on the blow mold The jacking system of backform formation cutter insert port；The cutter insert port in cutter device insertion shape chamber for cutting；The blow molding Mold bottom is provided with the drawing tail apparatus of drop-down removal tailing.

By using above-mentioned technical proposal, the shape chamber formed boxes that closure is formed on blow mold are closed by backform lid, After box body forming, cutter insert port is formed by ejection mould on jacking system, box body is cut in cutter insertion shape chamber It cuts, and the tail apparatus that draws for being located at mold bottom draws the tailing for removing box body bottom, compares artificial removal's box body bottom tailing and people Work greatly improves the production efficiency of box body to box opening.

The utility model is further arranged to: the frame plate includes the forebay plate and rear frame plate being oppositely arranged, institute Stating blow mold includes preceding mould and rear mold, and the preceding mould and rear mold are separately mounted on forebay plate and rear frame plate, the top Mould is arranged two, and two backforms cover conjunction on preceding mould and rear mold respectively, and the jacking system is arranged two, two tops Lifting device pushes two backforms to move up respectively.

By using above-mentioned technical proposal, the embryo material that extruder squeezes out between preceding mould and rear mold, close by preceding mould and rear mold When conjunction, it is located at embryo material in shape chamber, so that embryo material be facilitated to enter in shape chamber.

The utility model is further arranged to: the cutter device includes cutting cylinder, cylinder supporting plate, mounting blocks and cuts Knife, the cylinder supporting plate are mounted on the upside of frame plate, and the cutting cylinder is mounted on cylinder supporting plate, and the cutting cylinder is stretched Contracting axis is connected with the mounting block, and the cutter is mounted on mounting blocks far from cutting cylinder side side wall, and the cutter corresponds to cutter and inserts Entry position.

By using above-mentioned technical proposal, drives cutter to be inserted into cutter by the cutting cylinder being mounted on cylinder supporting plate and insert Entrance, so that opening cutting is carried out to box body, so that the work of regrinding-material and box opening is completed at the same time, to improve box The production efficiency of body.

The utility model is further arranged to: cutter supporting board is provided on the frame plate, the cutter supporting board is along cutter Cut direction two sides are provided with guide pad, and the cutter is located between two guide pads, and the guide pad is inserted by cutter Entrance extends in blow mold, and the cross section of the guide pad is in inverted L-shaped.

By using above-mentioned technical proposal, two guide pads of cutter two sides are extended in blow mold, are led by two Limit to block, to make cutter accurately cut to box body, to improve the quality of box body cutting.

The utility model is further arranged to: the jacking system includes jacking up cylinder, push rod, push plate and link block, The push rod and link block are respectively provided with two, and two push rods are set to blow mold two sides, two link block difference Backform two sides are connected to, the push plate is horizontally installed below blow mold, and two push rod upper ends are connected to two On link block, two push rod lower ends are connected to push plate two sides, and the jack-up cylinder pushes push plate to close to blow mold side To movement.

By using above-mentioned technical proposal, push plate is pushed to move up by jacking up cylinder, to drive two connected in push plate A push rod moves up, and then the link block of push rod upper end is pushed to move up, and drives backform to move up by link block, inserts to open cutter Entrance.

The utility model is further arranged to: the explosion-proof dress for preventing box body from bursting is provided on the jacking system It sets, the explosion-protection equipment includes explosion-proof fixed plate, connecting plate and limit assembly, and the explosion-proof fixed plate is mounted on frame plate On, the connecting plate installs push plate lower surface, and the limit assembly setting is jacking up between cylinder and connecting plate, the jack-up gas Cylinder is double-acting cylinder.

By using above-mentioned technical proposal, under the action of double-acting cylinder, close push rod by the secured closed lid of backform On blow mold, prevent embryo material from leaking during blow molding in shape chamber rupture.Cylinder and connecting plate are being jacked up by setting Between limit assembly, make jack up cylinder push backform jack up after can accurately cover conjunction in blow mold upper end, prevent backform Deviation, and precise positioning is carried out to backform stroke by limit assembly, to prevent backform from jacking up excessively, to make box body shape Become, therefore the explosion-protection equipment by being arranged improves the quality of box body forming.

The utility model is further arranged to: the limit assembly includes coordinating block, guide block, upper limit block and lower limit block, The coordinating block is mounted on connecting plate lower surface, and the upper limit block and lower limit block are between the upper and lower every being mounted in explosion-proof fixed plate, institute It states upper limit block and offers relief hole for coordinating block activity grafting, the coordinating block offers stroke to cylinder pushing direction is jacked up Hole, the lower limit block sliding are connected in stroke hole, and the coordinating block two sides positioned at stroke hole site are provided with side block, institute The equal length of the distance between side block and connecting plate with stroke hole is stated, the upper limit block and lower limit block are along coordinating block length direction Height it is equal, the coordinating block far from one end of the connection board with jack up cylinder connect, the guide block is mounted in explosion-proof fixed plate, The guide block offers the guide hole with coordinating block and side block activity grafting.

By using above-mentioned technical proposal, coordinating block activity is plugged in relief hole, is jacked up cylinder and is pushed coordinating block or more When mobile, lower limit block slides in stroke hole, and upper limit block moves between side block and connecting plate, passes through upper limit block and lower limit Block carries out double limits to the stroke of coordinating block, so that the restriction for pushing backform position up and down is improved, to improve top The precision of line journey, to avoid backform deviation or jack up excessively, to improve the quality of box body forming.

The utility model is further arranged to: the limit assembly includes sliding shoe, cylinder pushing block and movable handle, described Sliding shoe and movable handle are respectively provided with two, the explosion-proof fixed plate side wall to jack up cylinder pushing direction offer push slot with And guide groove, the guide groove are arranged two, two guide grooves, which are located at, pushes slot two sides, and two sliding shoes are slided respectively Shifting is connected in two guide grooves, and the cylinder pushing block sliding, which is connected to, to be pushed in slot, positioned at guide groove and is pushed between slot It is offered in the explosion-proof fixed plate for the movable swing limiting slot of movable handle, close to the slot of the swing limiting slot of sliding shoe It is rotatably connected to rotating bar at mouthful, the movable handle is fixedly connected in rotating bar, and two sliding shoes are with respect to cylinder pushing block Side wall and the two sides side wall of cylinder pushing block offer loose slot, the movable handle both ends are located at sliding shoe and gas In the loose slot of cylinder pushing block, the telescopic shaft for jacking up cylinder is connect with the downside of cylinder pushing block, on the upside of two sliding shoes It is connect with connecting plate lower surface, the explosion-proof fixed plate surface is provided with cover board, and the cover plate lid is closed above guide groove.

By using above-mentioned technical proposal, cylinder pusher cylinder pushing block is jacked up along pushing slot to move up and down, to pass through Cylinder pushing block drives movable handle to rotate along rotating bar, thus make movable handle that sliding shoe be pushed to move up and down along guide groove, from And drive connecting plate to move up and down, and then finally backform is driven to move up and down, it is limited by the swing being arranged in explosion-proof fixed plate Position slot, limits the rotation of movable handle, so that the precision of backform stroke is improved, to avoid backform deviation or top It rises excessively, to improve the quality of box body forming.

The utility model is further arranged to: the drawing tail apparatus is fixed on blow mold bottom, the drawing tail apparatus packet It including pulling block, fixture block, fixed pallet and draws tail gas cylinder, the preceding mould and rear mold bottom offer corresponding gap slot upwards, The gap slot is located at below shape chamber, and the pulling block is actively plugged in the gap slot of rear mold, and the fixture block is fixedly mounted on preceding mould Gap slot in, the fixed pallet is fixedly mounted on rear mold bottom, and the drawing tail gas cylinder is mounted in fixed pallet, the drawing The telescopic shaft of tail gas cylinder is connect with pulling block bottom.

By using above-mentioned technical proposal, the embryo material squeezed out by extruder is between preceding mould and rear mold, and preceding mould is with after After mould molding, it is located at embryo material in shape chamber, and embryo material lower end is clamped between pulling block and fixture block, by drawing tail gas cylinder to pull pulling block It moves down, is removed so that tailing draw, compared to being drawn by hand except tailing is compared, have and improve production efficiency.

The utility model is further arranged to: the pulling block is provided with raised line, the raised line with respect to the sidewall horizontal of fixture block Interval setting is multiple along the vertical direction.

By using above-mentioned technical proposal, by the raised line being arranged on pulling block side wall, make tailing it is stable be clamped in drawing Between block and clamping plate, and by raised line, increase the frictional force of pulling block and tailing, so that improving pulling block draws the effect for removing tailing Fruit.

In conclusion the utility model has the following beneficial effects:

First, closing the shape chamber formed boxes for forming closure on blow mold by backform lid, after box body forming, pass through top Ejection mould forms cutter insert port on lifting device, cuts in cutter insertion shape chamber to box body, and is located at mold bottom Draw tail apparatus to draw the tailing for removing box body bottom, compared to artificial removal's box body bottom tailing and manually to box opening, greatly The production efficiency for improving box body；

Second, closing push rod on blow mold the secured closed lid of backform under the action of double-acting cylinder, preventing Embryo material leaks rupture during blow molding in shape chamber.By the way that the limit assembly jacked up between cylinder and connecting plate is arranged in, make Conjunction can accurately be covered in blow mold upper end by jacking up after cylinder pushes backform to jack up, prevent backform deviation, and pass through limit Component carries out precise positioning to backform stroke, to prevent backform from jacking up excessively, to make box body deformation, therefore passes through setting Explosion-protection equipment improves the quality of box body forming；

Third, make tailing is stable to be clamped between pulling block and clamping plate by the raised line being arranged on pulling block side wall, and And by raised line, increase the frictional force of pulling block and tailing, so that improving pulling block draws the effect for removing tailing.

Detailed description of the invention

Fig. 1 is the overall structure diagram of embodiment one；

Fig. 2 is the structural schematic diagram of preceding mould and rear mold discrete state in embodiment one；

Fig. 3 is the structural schematic diagram of cutter device and cutter in embodiment one；

Fig. 4 is the partial structure diagram of jacking system in embodiment one；

Fig. 5 is the mounting structure schematic diagram of explosion-protection equipment and jack-up cylinder in embodiment one；

Fig. 6 is the mounting structure schematic diagram of limit assembly in embodiment one；

Fig. 7 is the mounting structure schematic diagram of blow mold and drawing tail apparatus in embodiment one；

Fig. 8 is the structural schematic diagram that tail apparatus is drawn in embodiment one；

Fig. 9 is the mounting structure schematic diagram of explosion-protection equipment and jack-up cylinder in embodiment two；

Figure 10 is the mounting structure schematic diagram of limit assembly in embodiment two.

In figure: 11, forebay plate；12, rear frame plate；13, preceding mould；14, rear mold；15, backform；16, shape chamber；17, it positions Slot；21, cylinder is cut；22, cylinder supporting plate；221, fixed block；222, guide rod；23, mounting blocks；24, cutter；241, blade； 25, cutter supporting board；251, positioning pin；26, guide pad；27, blade limited block；31, cylinder is jacked up；32, push rod；321, card slot； 33, push plate；331, caulking groove；34, link block；35, pull rod；351, adjustment portion；352, interconnecting piece；36, locating piece；37, stroke block； 38, explosion-proof fixed plate；381, slot is pushed；382, guide groove；383, limiting slot is swung；39, connecting plate；41, coordinating block；411, row Cheng Kong；412, side block；42, guide block；421, guide hole；43, upper limit block；431, relief hole；44, lower limit block；45, T-shaped plate；51, sliding Motion block；52, cylinder pushing block；53, movable handle；54, rotating bar；55, loose slot；56, cover board；61, pulling block；611, T shape fixture block； 62, fixture block；63, fixed pallet；64, tail gas cylinder is drawn；641, retaining ring；65, gap slot；66, raised line；67, tailgate is drawn；671, T shape Card slot；672, catching groove；68, alignment block.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

Embodiment one: a kind of waste material removal mechanism of blow mold, as depicted in figs. 1 and 2, including for installing blow molding die The frame plate of tool, is provided with cutter device on the frame plate on the upside of blow mold, and blow mold upper end is covered with to be formed The backform 15 of closed chamber 16, is provided on blow mold and jacks up the jacking system that backform 15 forms cutter insert port, and cutter is inserted Enter and box body is cut in confession cutter device insertion shape chamber 16；Blow mold bottom is provided with the drawing tail of drop-down removal tailing Device.16 formed boxes of shape chamber for forming closure on blow mold are closed by the lid of backform 15 to fill after box body forming by jacking up It sets ejection mould 15 and forms cutter insert port, box body is cut in cutter device insertion shape chamber 16, and be located at blow mold Bottom draws tail apparatus to draw the tailing for removing box body bottom, compared to artificial removal's box body bottom tailing and manually to box opening, Greatly improve the production efficiency of box body.

Specifically, as depicted in figs. 1 and 2, frame plate includes the forebay plate 11 and rear frame plate 12 being oppositely arranged, blow molding Mold includes openable and closable preceding mould 13 and rear mold 14, and preceding mould 13 and rear mold 14 are separately mounted to forebay plate 11 and rear frame plate 12 On, backform 15 is arranged two, and two backforms 15 cover conjunction on preceding mould 13 and rear mold 14 respectively, and jacking system is arranged two, two Jacking system pushes two backforms 15 to move up respectively.The embryo material squeezed out by extruder is preceding between preceding mould 13 and rear mold 14 When mould 13 and rear mold 14 are closed, it is located at embryo material in shape chamber 16, so that embryo material be facilitated to enter in shape chamber 16.

Specifically, as shown in Figures 2 and 3, cutter device include cutting cylinder 21, cylinder supporting plate 22, mounting blocks 23 and Cutter 24, cylinder supporting plate 22 are mounted on the upside of frame plate, and cutting cylinder 21 is mounted on cylinder supporting plate 22, and cutting cylinder 21 is stretched Contracting axis is connect with mounting blocks 23, and cutter 24 is mounted on mounting blocks 23 far from cutting 21 side side wall of cylinder, the corresponding cutter of cutter 24 Insert port position.Fixed block 221, two fixed blocks are provided on the cylinder supporting plate 22 of cutting 21 telescopic shaft two sides of cylinder The guide rod 222 being actively plugged on mounting blocks 23 is provided on 221.There are two shape chamber 16, cutters for setting in blow mold It is arranged on 24 there are two the blade 241 being inclined outwardly, the box body in two shape chambers 16 can be cut simultaneously, and tilts The blade 241 of setting is cut, so as to reduce the crushing to box body in cutting since box body edge.

Further, as shown in Figures 2 and 3, cutter supporting board 25 is provided on frame plate, cutter supporting board 25 is cut along cutter 24 It cuts direction two sides and is provided with guide pad 26, cutter 24 is located between two guide pads 26, and guide pad 26 is inserted by cutter Mouth extends in blow mold, and the cross section of guide pad 26 is in inverted L-shaped.Two guide pads 26 of 24 two sides of cutter, which extend to, to be blown In mould, by the limit of two guide pads 26, to make cutter 24 accurately cut to box body, to improve box body The quality of cutting.The cutter device of the present embodiment is mounted on forebay plate 11, and cutter device can also be in other embodiments It is mounted on rear frame plate 12.Upper surface between two guide pads 26 is horizontally arranged with blade limited block 27, blade limited block 27 are oppositely arranged with mounting blocks 23, when cutting the promotion cutting box body of cutter 24 of cylinder 21, pass through mounting blocks 23 and contradict blade limit On the block 27 of position, to be limited to cutter 24.Two are arranged at intervals on cutter supporting board 25 to be plugged on 13 side wall of preceding mould Positioning pin 251.

As shown in Figure 2 and Figure 4, jacking system includes jacking up cylinder 31, push rod 32, push plate 33 and link block 34, push rod 32 and link block 34 be respectively provided with two, two push rods 32 are set to blow mold two sides, and two link blocks 34 are connected to top 15 two sides of mould, push plate 33 are horizontally installed below blow mold, and two 32 upper ends of push rod are connected on two link blocks 34, Two 32 lower ends of push rod are connected to 33 two sides of push plate, jack up cylinder 31 and push push plate 33 to close to the movement of blow mold direction.It is logical Crossing jack-up cylinder 31 pushes push plate 33 to move up, so that two push rods 32 connected in push plate 33 be driven to move up, and then pushes push rod The link block 34 of 32 upper ends moves up, and drives backform 15 to move up by link block 34, to open cutter insert port.

As shown in figure 4, push rod 32 is connected with pull rod 35 far from 34 threaded one end of link block, pull rod 35 includes adjustment portion 351 With interconnecting piece 352,351 one end of adjustment portion is threadedly coupled with push rod 32, and the other end is fixedly connected with interconnecting piece 352, interconnecting piece 352 The other end connect with push plate 33,33 side wall of push plate and 34 side wall of link block correspondence offer the caulking groove 331 communicated up and down, push away Bar 32 and 35 both ends side wall of pull rod are provided with card slot 321 compatible with caulking groove 331, so that the cell wall up and down of card slot 321 contradicts In the upper and lower surface of push plate 33 and link block 34, pass through the adjustable push rod 32 of adjustment portion 351 and pull rod 35 on pull rod 35 Between length, so that push rod 32 and 35 inlay card of pull rod be facilitated to be mounted in caulking groove 331.The two sides side wall of blow mold is respectively provided with There is locating piece 36, two push rods 32 are actively plugged in two locating pieces 36 respectively.32 activity of push rod is plugged on locating piece 36, from And improve the stability that push rod 32 is connect with link block 34 and pull rod 35 with push plate 33.34 lower surface of link block is provided in L The stroke block 37 of shape, blow mold sidewalls vertical offer the locating slot 17 for the sliding connection of stroke block 37, set in locating slot 17 It is equipped with the abutting portion (not shown) contradicted with stroke block 37, to limit the height that stroke block 37 moves up.

Further, as shown in Figure 2 and Figure 5, the explosion-proof dress for preventing blow molding box body explosion is provided on jacking system It sets, explosion-protection equipment includes explosion-proof fixed plate 38, connecting plate 39 and limit assembly, and explosion-proof fixed plate 38 is mounted on frame plate, Connecting plate 39 is fixedly mounted on 33 lower surface of push plate, specifically, by connecting and fixing.Limit assembly setting is jacking up 31 He of cylinder Between connecting plate 39, jack-up cylinder 31 is double-acting cylinder.Under the action of double-acting cylinder, keep push rod 32 that backform 15 is secured Closed lid closes on blow mold, prevents embryo material from leaking during blow molding in shape chamber 16 rupture.It is being jacked up by setting Limit assembly between cylinder 31 and connecting plate 39 makes to jack up accurately cover to close after cylinder 31 pushes backform 15 to jack up and blow Mould upper end prevents 15 deviation of backform, and carries out precise positioning to 15 stroke of backform by limit assembly, to prevent from pushing up Mould 15 excessively jacks up, to make box body deformation, therefore the explosion-protection equipment by being arranged improves the quality of box body forming.

Specifically, as shown in Figure 5 and Figure 6, limit assembly includes coordinating block 41, guide block 42, upper limit block 43 and lower limit block 44, coordinating block 41 is mounted on 39 lower surface of connecting plate, and upper limit block 43 and lower limit block 44 are between the upper and lower every being mounted on explosion-proof fixed plate 38 On, upper limit block 43 offers the relief hole 431 for 41 activity grafting of coordinating block, and coordinating block 41 is opened to 31 pushing direction of cylinder is jacked up Equipped with stroke hole 411, the sliding of lower limit block 44 is connected in stroke hole 411, and 41 two sides of coordinating block positioned at 411 position of stroke hole are equal It is provided with side block 412, the equal length of the distance between side block 412 and connecting plate 39 and stroke hole 411, upper limit block 43 and lower limit Block 44 is equal along the height of 41 length direction of coordinating block, and coordinating block 41 by T-shaped plate 45 and jacks up gas far from 39 one end of connecting plate Cylinder 31 connects, and guide block 42 is mounted in explosion-proof fixed plate 38, and guide block 42 offers and the 412 activity grafting of coordinating block 41 and side block Guide hole 421.41 activity of coordinating block is plugged in relief hole 431, when jack-up cylinder 31 pushes coordinating block 41 to move up and down, lower limit Block 44 slides in stroke hole 411, and upper limit block 43 moves between side block 412 and connecting plate 39, passes through 43 He of upper limit block Lower limit block 44 carries out double limits to the stroke of coordinating block 41, so that the restriction for pushing the position up and down of backform 15 is improved, from And the precision of 15 stroke of backform is improved, to avoid 15 deviation of backform or jack up excessively, to improve box body forming Quality.

Specifically, as shown in Figure 2 and Figure 7, tail apparatus is drawn to be fixed on blow mold bottom, draw tail apparatus include pulling block 61, Fixture block 62, fixed pallet 63 and drawing tail gas cylinder 64, preceding mould 13 and 14 bottom of rear mold offer corresponding gap slot 65 upwards, Gap slot 65 is located at 16 lower section of shape chamber, and pulling block 61 is actively plugged in the gap slot 65 of rear mold 14, and fixture block 62 is fixedly mounted on preceding mould In 13 gap slot 65, fixed pallet 63 is fixedly mounted on 14 bottom of rear mold, and tail gas cylinder 64 is drawn to be mounted in fixed pallet 63, draws The telescopic shaft of tail gas cylinder 64 is connect with 61 bottom of pulling block.Through the embryo material of extruder extrusion between preceding mould 13 and rear mold 14, After preceding mould 13 and rear mold 14 mold, it is located at embryo material in shape chamber 16, and embryo material lower end is clamped between pulling block 61 and fixture block 62, leads to Crossing drawing tail gas cylinder 64 pulls pulling block 61 to move down, and removes so that tailing draw, and compared to being drawn by hand except tailing is compared, has and improves tail The advantages of expecting elimination efficiency.

As shown in Figure 7 and Figure 8, pulling block 61 is provided with raised line 66 with respect to the sidewall horizontal of fixture block 62, and raised line 66 is along vertical side It is multiple to interval setting.By the raised line 66 being arranged on 61 side wall of pulling block, make tailing it is stable be clamped in pulling block 61 and folder Between plate, and by raised line 66, increase the frictional force of pulling block 61 and tailing, so that improving pulling block 61 draws the effect for removing tailing. Further, 66 cross section of raised line is triangular in shape.The raised line 66 of triangle setting can further improve pulling block 61 and tailing Frictional force, thus make tailing it is stable drop-down removal.

Further, as shown in Figure 7 and Figure 8, gap slot 65, pulling block 61 and fixture block 62 are respectively provided with two, two notches Slot 65 is located at the lower section of two shape chambers 16, draws the telescopic shaft of tail gas cylinder 64 to be connected with and draws tailgate 67, draw 67 two sides of tailgate with Two 61 bottoms of pulling block connect simultaneously.It draws tail gas cylinder 64 to draw tailgate 67 by pulling, two pulling blocks 61 can be pulled to move down simultaneously, So as to carry out drawing tail processing simultaneously to the blow molding part bottom in two shape chambers 16, to improve the effect that blow molding part draws tail Rate.

As shown in figure 8,61 bottom of pulling block is provided with T shape fixture block 611,67 side wall of tailgate is drawn to offer and 611 phase of T shape fixture block The T shape card slot 671 of adaptation draws 67 lower surface of tailgate to offer catching groove 672, and the telescopic shaft fixing sleeve of tail gas cylinder 64 is drawn to be equipped with clamping Retaining ring 641 in catching groove 672.It is connected in T shape card slot 671 by the T shape fixture block 611 of 61 bottom of pulling block, and by setting It sets and the snap ring on 64 telescopic shaft of tail gas cylinder is being drawn to be connected in catching groove 672, to facilitate pulling block 61 and draw the dismounting of tailgate 67. It draws and the alignment block 68 parallel with pulling block 61 is set on tailgate 67,14 bottom of rear mold offers the alignment slot for 68 grafting of alignment block (not shown).When pulling block 61 is plugged in gap slot 65, alignment block 68 is plugged in alignment slot, is carried out by alignment block 68 Alignment positioning, so that pulling block 61 be facilitated to be plugged in gap slot 65.61 upper end two sides sidewall slope of pulling block is inwardly arranged.Pulling block 61 Two sides sidewall slope setting, so that fixture block be facilitated to be plugged in gap slot 65.

The course of work: when the forming of blow mold inner box, by pushing up backform 15 on jacking system, make backform 15 and blow molding Mold separation opens cutter insert port, and the cutting cylinder 21 in cutter device pushes cutter 24 to cut the box body in shape chamber 16 Mouth is cut open, and the explosion-protection equipment by being arranged on jacking system carries out limit jack-up to jacking system, prevents in shape chamber 16 Box body rupture.And the drawing tail apparatus of blow mold bottom is set, under the action of drawing tail gas cylinder 64, pulling block 61 is pulled down, from And the tailing being clamped between pulling block 61 and fixture block 62 is pulled apart, compared to artificial removal's box body bottom tailing and manually to box body Opening, greatly improves the production efficiency of box body.

Embodiment two: as shown in Figure 9 and Figure 10, a kind of waste material removal mechanism of blow mold, it is different from embodiment one it It is in limit assembly includes sliding shoe 51, cylinder pushing block 52 and movable handle 53, and sliding shoe 51 and movable handle 53 are respectively provided with Two, explosion-proof 38 side wall of fixed plate offers promotion slot 381 and guide groove 382, guide groove to 31 pushing direction of cylinder is jacked up 382 settings two, two guide grooves 382, which are located at, pushes 381 two sides of slot, and two sliding shoes 51 slide respectively is connected to two guiding In slot 382, the sliding of cylinder pushing block 52, which is connected to, to be pushed in slot 381, positioned at guide groove 382 and is pushed explosion-proof solid between slot 381 It is offered on fixed board 38 for the movable swing limiting slot 383 of movable handle 53, close to the notch of the swing limiting slot 383 of sliding shoe 51 Place is rotatably connected to rotating bar 54, and movable handle 53 is fixedly connected in rotating bar 54, and two sliding shoes 51 are with respect to cylinder pushing block 52 Side wall and the two sides side wall of cylinder pushing block 52 offer loose slot 55,53 both ends of movable handle be located at sliding shoe 51 with And in the loose slot 55 of cylinder pushing block 52, and 53 both ends end circular arc of movable handle is arranged, and loose slot 55 has for 53 liang of movable handle Hold movable interval.The telescopic shaft for jacking up cylinder 31 is connect with the downside of cylinder pushing block 52, on the upside of two sliding shoes 51 with connect The connection of 39 lower surface of plate, explosion-proof 38 surface of fixed plate are provided with cover board 56, and the lid of cover board 56 closes above guide groove 382.Jack up gas 31 pusher cylinder pushing block 52 of cylinder along push slot 381 move up and down, thus by cylinder pushing block 52 drive movable handle 53 along turn Lever 54 rotates, to make movable handle 53 that sliding shoe 51 be pushed to move up and down along guide groove 382, to drive on connecting plate 39 Lower movement, and then finally backform 15 is driven to move up and down, it is right by the swing limiting slot 383 being arranged in explosion-proof fixed plate 38 The rotation of movable handle 53 is limited, so that the precision of 15 stroke of backform is improved, to avoid 15 deviation of backform or mistake Degree jacks up, to improve the quality of box body forming.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of waste material removal mechanism of blow mold, it is characterised in that: including the frame plate for installing blow mold, be located at Cutter device is provided on the frame plate on the upside of blow mold, the blow mold upper end is covered with to form closed chamber (16) backform (15) is provided on the blow mold and jacks up the jacking system that backform (15) form cutter insert port；It is described Cutter insert port is for cutting in cutter device insertion shape chamber (16)；The blow mold bottom is provided with the drawing of drop-down removal tailing Tail apparatus；The frame plate includes the forebay plate (11) and rear frame plate (12) being oppositely arranged, before the blow mold includes Mould (13) and rear mold (14), the preceding mould (13) and rear mold (14) are separately mounted to forebay plate (11) and rear frame plate (12) On, the backform (15) is arranged two, and two backforms (15) cover conjunction on preceding mould (13) and rear mold (14) respectively, the top Lifting device is arranged two, and two jacking systems push two backforms (15) to move up respectively；The drawing tail apparatus, which is fixed on, to be blown Mould bottom, the drawing tail apparatus include pulling block (61), fixture block (62), fixed pallet (63) and draw tail gas cylinder (64), institute It states preceding mould (13) and rear mold (14) bottom offers corresponding gap slot (65) upwards, the gap slot (65) is located at shape chamber (16) lower section, the pulling block (61) is actively plugged in the gap slot (65) of rear mold (14), before the fixture block (62) is fixedly mounted on In the gap slot (65) of mould (13), the fixed pallet (63) is fixedly mounted on rear mold (14) bottom, the drawing tail gas cylinder (64) It is mounted on fixed pallet (63), the telescopic shaft for drawing tail gas cylinder (64) is connect with pulling block (61) bottom.

2. a kind of waste material removal mechanism of blow mold according to claim 1, it is characterised in that: the cutter device packet It includes cutting cylinder (21), cylinder supporting plate (22), mounting blocks (23) and cutter (24), the cylinder supporting plate (22) and is mounted on rack On the upside of plate, the cutting cylinder (21) is mounted on cylinder supporting plate (22), the telescopic shaft and mounting blocks of cutting cylinder (21) (23) it connects, the cutter (24) is mounted on mounting blocks (23) far from cutting cylinder (21) side side wall, and the cutter (24) is right Answer cutter insert port position.

3. a kind of waste material removal mechanism of blow mold according to claim 2, it is characterised in that: set on the frame plate It is equipped with cutter supporting board (25), the cutter supporting board (25) is provided with guide pad (26), institute along cutter (24) cut direction two sides Cutter (24) are stated between two guide pads (26), and the guide pad (26) extends to blow mold by cutter insert port It is interior, and the cross section of the guide pad (26) is in inverted L-shaped.

4. a kind of waste material removal mechanism of blow mold according to claim 1, it is characterised in that: the jacking system packet Jack-up cylinder (31), push rod (32), push plate (33) and link block (34), the push rod (32) and link block (34) is included to be respectively provided with Two, two push rods (32) are set to blow mold two sides, and two link blocks (34) are connected to backform (15) Two sides, the push plate (33) are horizontally installed below blow mold, and two push rod (32) upper ends are connected to two companies It connects on block (34), two push rod (32) lower ends are connected to push plate (33) two sides, and the jack-up cylinder (31) pushes push plate (33) to mobile close to blow mold direction.

5. a kind of waste material removal mechanism of blow mold according to claim 4, it is characterised in that: on the jacking system It is provided with the explosion-protection equipment for preventing box body from stretching explosion, the explosion-protection equipment includes explosion-proof fixed plate (38), connecting plate (39) and limit assembly, the explosion-proof fixed plate (38) are mounted on frame plate, and the connecting plate (39) installs push plate (33) Lower surface, the limit assembly setting are jacking up between cylinder (31) and connecting plate (39), and the jack-up cylinder (31) is double cropping Use cylinder.

6. a kind of waste material removal mechanism of blow mold according to claim 5, it is characterised in that: the limit assembly packet Coordinating block (41), guide block (42), upper limit block (43) and lower limit block (44) are included, the coordinating block (41) is mounted on connecting plate (39) Lower surface, the upper limit block (43) and lower limit block (44) are between the upper and lower every being mounted on explosion-proof fixed plate (38), the upper limit block (43) relief hole (431) for coordinating block (41) activity grafting is offered, coordinating block (41) the Xiang Dingqi cylinder (31) pushes Direction offers stroke hole (411), and lower limit block (44) sliding is connected in stroke hole (411), is located at stroke hole (411) position The coordinating block (41) two sides set are provided with side block (412), the distance between the side block (412) and connecting plate (39) with The height phase of the equal length in stroke hole (411), the upper limit block (43) and lower limit block (44) along coordinating block (41) length direction It is connect with jack-up cylinder (31) Deng, the coordinating block (41) far from connecting plate (39) one end, the guide block (42) is mounted on explosion-proof In fixed plate (38), the guide block (42) is offered and the guide hole (421) of coordinating block (41) and side block (412) activity grafting.

7. a kind of waste material removal mechanism of blow mold according to claim 5, it is characterised in that: the limit assembly packet Sliding shoe (51), cylinder pushing block (52) and movable handle (53) are included, the sliding shoe (51) and movable handle (53) are respectively provided with two A, explosion-proof fixed plate (38) side wall offers promotion slot (381) and guide groove to cylinder (31) pushing direction is jacked up (382), the guide groove (382) is arranged two, and two guide grooves (382), which are located at, pushes slot (381) two sides, described in two Sliding shoe (51) slides be connected in two guide grooves (382) respectively, and cylinder pushing block (52) sliding is connected to promotion slot (381) in, it is located on the explosion-proof fixed plate (38) between guide groove (382) and promotion slot (381) and offers for movable handle (53) movable swing limiting slot (383) is rotatablely connected at the notch of the swing limiting slot (383) of sliding shoe (51) Have rotating bar (54), the movable handle (53) is fixedly connected on rotating bar (54), and two sliding shoes (51) are with respect to cylinder The side wall of pushing block (52) and the two sides side wall of cylinder pushing block (52) offer loose slot (55), movable handle (53) both ends It is located in the loose slot (55) of sliding shoe (51) and cylinder pushing block (52), the telescopic shaft and gas for jacking up cylinder (31) The downside of cylinder pushing block (52) connects, and connect on the upside of two sliding shoes (51) with connecting plate (39) lower surface, described explosion-proof solid Fixed board (38) surface is provided with cover board (56), and cover board (56) lid closes above guide groove (382).

8. a kind of waste material removal mechanism of blow mold according to claim 1, it is characterised in that: pulling block (61) phase The sidewall horizontal of fixture block (62) is provided with raised line (66), it is multiple that the raised line (66) is spaced setting along the vertical direction.