CN209050981U - Mold side core-pulling mechanism - Google Patents

Abstract

The utility model discloses a kind of mold side core-pulling mechanisms, it is related to mold manufacture field, solves after injection molding through-hole on automobile moulding, one circular arc portion of groove and two circular arc portion of groove are not easy coaxial problem, its key points of the technical solution are that including bottom plate, hydraulic cylinder, mounting blocks, locating piece, it is fixedly connected on coordinating block one of the mounting blocks close to cavity plate side, it is fixedly connected on coordinating block two of the mounting blocks close to cavity plate side, coordinating block two is fixedly connected on close to the forming blocks of one side of coordinating block, the positioning column being fixedly connected on locating piece and two tilting bars being fixedly connected on quiet mould；Side on coordinating block one away from coordinating block two offers location hole one, and coordinating block two offers the location hole two coaxial with location hole one away from the side of coordinating block one, and two locating pieces are all fixedly connected with positioning column close to the side of coordinating block one；Through-hole, groove one and groove two are positioned respectively simultaneously by two coaxial positioning columns, improve machining accuracy.

Description

Mold side core-pulling mechanism

Technical field

The utility model relates to mold manufacture fields, more specifically, it is related to a kind of mold side core-pulling mechanism.

Background technique

In auto parts and components process, often it is related to injection molding, as shown in Figure 1, being molded for a kind of automobile Part 1, including moulding ontology 11, be integrally formed 11 1 side bottom of moulding ontology convex block 1, convex block 2 13 and convex block 3 14, convex block 1, convex block 2 13 and convex block 3 14 are arranged side by side and protrusion two is located in convex block 1 and convex block 3 14 Between, convex block 1 opens up fluted 1 away from the side of moulding ontology 11, and groove 1 is close to moulding ontology 11 Side is arranged in arc-shaped, and convex block 2 13 opens up fluted 2 131 away from the side of convex block 1, and groove 2 131 is close to injection molding The side of part ontology 11 is arranged in arc-shaped, and convex block 3 14 is provided with the through-hole through protrusion three close to the side of convex block 2 13 141；The circular arc portion of through-hole 141, the circular arc portion of groove 1 and groove 2 131 is coaxial, and because automobile moulding 1 needs to be applied on automobile, and the requirement for machining accuracy is relatively high, and existing mold is implemented in the process of production to through-hole 141 go out to take side core-pulling depanning, not accurate for the positioning of groove 1 and groove 2 131 and do not allow it is easier that three is same Axis, so that the low precision of the automobile moulding 1 processed.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of mold side core-pulling mechanism, It respectively positions through-hole, groove one and groove two by two coaxial positioning columns simultaneously, improves machining accuracy.

To achieve the above object, the utility model provides following technical solution: a kind of mold side core-pulling mechanism, including Bottom plate on dynamic model top surface positioned at cavity plate side is set, dynamic model side is fixedly connected on and is located at bottom plate away from cavity plate side Hydraulic cylinder, be fixedly connected on mounting blocks at the top of bottom plate close to cavity plate side middle position, setting can in mounting blocks two sides On bottom plate along close to and far from mounting blocks directions slided locating piece, be fixedly connected on mounting blocks close to cavity plate side The coordinating block one identical with one size shape of groove that protrudes into cavity plate is fixedly connected on mounting blocks matching close to cavity plate side It closes block two, be fixedly connected on coordinating block two close to the forming blocks identical with two size shape of groove of one side of coordinating block, fixation Locating piece is connected to close to the positioning column of one side of coordinating block and two tilting bars being fixedly connected on quiet mould；

Bottom plate is slided on dynamic model along the direction close to and far from cavity plate, and piston rod and the bottom plate of hydraulic cylinder are fixed It links together；

Side on coordinating block one away from coordinating block two offers the location hole one through coordinating block one, and coordinating block two deviates from The side of coordinating block one offers the location hole two coaxial with location hole one, and two locating pieces are all fixed close to the side of coordinating block one It is connected with positioning column, two positioning columns are inserted respectively into location hole one and location hole two, the positioning column being inserted into location hole one One end and side flush of the coordinating block one close to coordinating block two close to coordinating block two, positioning column, location hole one and location hole Two diameter is equal to the diameter of through-hole；

All offer at the top of locating piece with the mutually matched angling hole of tilting bar, the bottom of angling hole faces away from mounting blocks Direction be obliquely installed.

By using above-mentioned technical proposal, in the process of molding, tilting bar is inserted into angling hole, in tilting bar Locating piece is driven to be slided towards mounting blocks under the action of angling hole, locating piece positioning column in the process of sliding is distinguished It is inserted into location hole one and location hole two, molding passes through two positioning columns simultaneously to groove one, groove two and through-hole after completing It is positioned, so that three is coaxial after completing the process, so that the processing quality of automobile moulding is improved, injection molding completion Afterwards, the direction that dynamic model is directed away from quiet mould is moved, under the action of tilting bar and angling hole, positioning column and location hole one, Location hole two and through-hole are mutually disengaged, and the direction that then hydraulic cylinder drives bottom plate to face away from cavity plate is slided, to will not hamper Automobile moulding is hindered to take out in cavity plate.

The utility model is further arranged to: two angling holes are provided at the top of the locating piece, there are four tilting bar settings, It is corresponded respectively at four angling holes.

By using above-mentioned technical proposal, by the way that two angling holes are arranged on a locating piece, and it are arranged and tilt The corresponding tilting bar in hole, in the process that locating piece is slided on bottom plate by two with tilting bar collective effect, thus The glide direction of locating piece is limited, prevents it from positional shift occurs in the process of sliding.

The utility model is further arranged to: the bottom plate is provided with fixation with the two sides that bottom plate glide direction is parallel to each other The limited block being connected on dynamic model.

The glide direction of bottom plate can be limited, be prevented by the way that limited block is arranged by using above-mentioned technical proposal The offset of bottom plate appearance position in the process slided.

The utility model is further arranged to: two limited blocks offer limiting slot close to the bottom of bottom plate side, bottom plate Two sides are fixedly connected with the mutually matched sliding block of limiting slot.

By using above-mentioned technical proposal, by setting sliding block and limiting slot, so that bottom plate is worked as in the process slided In, under the position-limiting action of sliding block and limiting slot, it will not be subjected to displacement in vertical direction.

The utility model is further arranged to: two cunnings for being located at mounting blocks two sides are fixedly connected on the top surface of the bottom plate Rail, the length direction of sliding rail and the length direction of limited block are mutually perpendicular to；

Locating piece bottom offer width it is equal in sliding rail width and with the mutually matched sliding slot of sliding rail.

The glide direction of locating piece can be led by using above-mentioned technical proposal by setting sliding rail and sliding slot To preventing the offset of locating piece appearance position in the process slided.

The utility model is further arranged to: the mounting blocks all offer reseting groove close to the two sides of locating piece, reset It is provided with one end in slot and mounting blocks contact the reset spring in compressive state that the other end is contacted with locating piece.

By using above-mentioned technical proposal, by the way that reset spring is arranged, after angling hole and tilting bar are mutually disengaged, multiple The elastic force of position spring acts on lower locating piece and will not be slided towards the direction of mounting blocks, so that positioning column will not be to automobile Moulding takes out from cavity plate and causes to hinder.

The utility model is further arranged to: the reseting groove is provided with away from the side of locating piece and is fixedly connected on installation Guide rod on block, reset spring be arranged with outside guide rod.

By using above-mentioned technical proposal, reset spring can be oriented to by the way that guide rod is arranged, prevent from resetting bullet The elastic force direction of spring shifts.

The utility model is further arranged to: the reseting groove is provided with away from the side of locating piece and is provided on mounting blocks Fixing groove, guide rod is inserted into fixing groove and is fixed together with mounting blocks.

By using above-mentioned technical proposal, guide rod is inserted into fixing groove and is fixed, so that guide rod and peace Fixation between dress block more fastens, so that guide rod can preferably be fixed reset spring.

The utility model is further arranged to: two and the mutually matched cooperation in tilting bar bottom are offered on the bottom plate Slot, when molding, tilting bar bottom is inserted into mating groove.

By using above-mentioned technical proposal, by the way that mating groove is arranged, enable tilting bar pass completely through angling hole and The both ends of tilting bar are all limited, so that locating piece be prevented to be subjected to displacement in the process of injection molding.

The utility model is further arranged to: the bottom of the tilting bar is in the spherical setting of semicircle.

By using above-mentioned technical proposal, tilting bar bottom is in the spherical setting of semicircle, so that tilting bar is being inserted into inclination It is more convenient when in hole.

In conclusion the utility model has the advantages that compared with the prior art

1, the utility model bottom plate, locating piece, mounting blocks, coordinating block one, coordinating block two, forming blocks and positioning column, can Through-hole, groove one and groove two are positioned respectively simultaneously by two coaxial positioning columns, improve machining accuracy；

2, the utility model is mutually disengaged it by setting reseting groove, reset spring and guide rod, angling hole and tilting bar Afterwards, locating piece will not be slided towards the direction of mounting blocks under the elastic force effect of reset spring, so that positioning column is not Automobile moulding can be taken out from cavity plate and cause to hinder.

Detailed description of the invention

Fig. 1 is the axonometric drawing of the complete structure of background technique；

Fig. 2 be embodiment carry out using when schematic diagram；

Fig. 3 is the schematic diagram that embodiment embodies demoulding block；

Fig. 4 is the portion the A enlarged diagram of Fig. 3；

Fig. 5 is the schematic diagram that embodiment embodies tilting bar；

Fig. 6 is the portion the B enlarged diagram of Fig. 5；

Fig. 7 is the explosive view that embodiment embodies locating piece；

Fig. 8 is the portion the C enlarged diagram of Fig. 7；

Fig. 9 is the schematic diagram that embodiment embodies positioning column；

Figure 10 is the schematic diagram that embodiment embodies angling hole；

Figure 11 is the portion the D enlarged diagram of Figure 10.

In figure: 1, automobile moulding；11, moulding ontology；12, convex block one；121, groove one；13, convex block two；131, recessed Slot two；14, convex block three；141, through-hole；2, quiet mould；21, punch-pin；3, dynamic model；31, cavity plate；311, arcwall face；4, link block；41, Hydraulic cylinder；411, piston rod；5, block is demoulded；51, mounting blocks；511, coordinating block one；5111, location hole one；512, coordinating block Two；5121, location hole two；5122, forming blocks；513, fixing groove；514, guide rod；515, reseting groove；516, reset spring； 52, locating piece；521, angling hole；5211, fillet；522, positioning column；523, sliding slot；524, link slot；6, limited block；61, it limits Position slot；7, fixing seat；71, tilting bar；8, bottom plate；81, sliding rail；82, mating groove；83, sliding block.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

Embodiment: a kind of mold side core-pulling mechanism referring to attached drawing 2 and attached drawing 3, including is fixedly connected on 3 side of dynamic model Two link blocks 4 of close top position are fixedly connected on two link blocks 4 away from the hydraulic cylinder 41 of 3 side of dynamic model and setting Demoulding block 5 at 3 top of dynamic model, demoulding block 5 are located at link block 4 away from 41 side of hydraulic cylinder, and two link blocks 4 are relative to dynamic model 3 middle positions for being provided with 4 side of link block are symmetrical arranged and two link blocks 4 are located in the same horizontal plane；Demould the two of block 5 End is provided with two limited blocks 6 for being fixedly connected on 3 top of dynamic model.

Referring to attached drawing 3 and attached drawing 4, block 5 is demoulded away from the middle position of 4 side of link block and is fixedly connected with mounting blocks 51, 51 two sides of mounting blocks, which are provided with, to be leaned in the locating piece 52 of 4 liang of Slideslips of link block, locating piece 52 along perpendicular to mounting blocks 51 It is slided in the direction of nearly 52 side of locating piece；Mounting blocks 51 are fixedly connected with one 511 He of coordinating block away from the side of demoulding block 5 Coordinating block 2 512, coordinating block 1 and coordinating block 2 512 are extend into cavity plate 31, and cavity plate 31 is fixedly connected on dynamic model 3； Two angling holes 521 are all offered on two locating pieces 52, angling hole 521 is arranged along the length direction of locating piece 52.

Referring to attached drawing 5 and attached drawing 6, the side that quiet mould 2 is fixedly connected with punch-pin 21 is fixedly connected with two fixing seats 7, and two is solid Reservation 7 is located at the both ends of 21 side of punch-pin, and two tilting bars 71 are all fixedly connected in two fixing seats 7.

When quiet mould 2 and dynamic model 3 snap together, cavity plate 31, punch-pin 21, the coordinating block one extending into cavity plate 31 511 and coordinating block 2 512 surround a die cavity jointly, for being molded to automobile moulding 1.

Referring to attached drawing 7, the piston rod 411 of hydraulic cylinder 41 is extend between two link blocks 4, and the work of hydraulic cylinder 41 Stopper rod 411 is fixed together with demoulding block 5 close to the side of link block 4, the axial direction and demoulding block 5 of piston rod 411 It is mutually perpendicular to close to 4 side of link block, the two sides of piston rod 411 are with two link blocks 4 close to the side phase mutual connection of piston rod 411 Touching, can position the direction of motion of piston rod 411 by two link blocks 4；Demoulding block 5 can be on the top surface of dynamic model 3 Axial direction along piston rod 411 is slided.Four tilting bars 71 are inserted respectively into four angling holes 521, tilting bar The direction that 71 bottom faces away from mounting blocks 51 is obliquely installed, and tilting bar 71 is coaxial with angling hole 521 and diameter is equal；Dynamic model 3 when the direction for facing away from quiet mould 2 is moved, under the action of tilting bar 71 and angling hole 521, two locating pieces 52 all courts It is moved to the direction away from mounting blocks 51.

Referring to attached drawing 8, the shape size of coordinating block 1 is equal with the shape size of groove 1, coordinating block 1 The location hole 1 through coordinating block 1 is offered close to the side of coordinating block 2 512, coordinating block 2 512 is close to cooperation The side of block 1 is fixedly connected with forming blocks 5122 identical with 2 131 shape size of groove, the arc-shaped of forming blocks 5122 Part is coaxial with the arc-shaped part of coordinating block 1, and the thickness of coordinating block 2 512 is equal to convex block 2 13 between convex block 3 14 Distance, 2 512 bottom of coordinating block close to 31 side of cavity plate circular arc portion and cavity plate 31 close to 2 512 side of coordinating block arc Shape face 311 is bonded to each other, and coordinating block 2 512 offers location hole 2 5121, location hole two away from the side of coordinating block 1 5121 is coaxial with location hole 1.Locating piece 52 is mutual close to the side of locating piece 52 close to the side of cavity plate 31 and cavity plate 31 Fitting；Two locating pieces 52 are all fixedly connected with positioning column 522 close to the side of coordinating block 1, and the diameter of positioning column 522 is equal to The diameter of the diameter of through-hole 141, location hole 1 and location hole 2 5121 is equal to the diameter of positioning column 522, two positioning columns 522 It is inserted respectively into location hole 1 and location hole 2 5121, is inserted into one 5111 kinds of location hole of positioning column 522, inserting After entering into location hole 1, positioning column 522 is close to one end of coordinating block 2 512 in coordinating block 1 close to coordinating block 2 512 side flush with each other.

In the process being molded, by the positioning action of two positioning columns 522, the circle of groove 1 is enabled to Arcuation part, the arc-shaped part of groove 2 131 and through-hole 141 are coaxial, improve the processing quality of automobile moulding 1.Injection molding After end, the direction that dynamic model 3 faces away from quiet mould 2 is moved, and two locating pieces 52 are both facing to the direction for deviating from mounting blocks 51 It is moved, positioning column 522 follows locating piece 52 to move together at this time, and two positioning columns 522 are in location hole 1, location hole two 5121 and through-hole 141 be detached from, convenient for moulding is taken out in cavity plate 31.

Referring to attached drawing 9, the bottom for demoulding block 5, locating piece 52 and mounting blocks 51 is provided with bottom plate 8, the two sides of bottom plate 8 and two Limited block 6 contacts with each other close to the side of bottom plate 8.Two cunnings for being located at 51 two sides of mounting blocks are fixedly connected on the top surface of bottom plate 8 The length direction of rail 81, the length direction and limited block 6 of sliding rail 81 is mutually perpendicular to.52 bottom of locating piece offers width in sliding rail 81 width it is equal and with the mutually matched sliding slot 523 of sliding rail 81, by the cooperation of sliding rail 81 and sliding slot 523, so that locating piece 52 are not easy to be mutually disengaged with bottom plate 8 when being slided on bottom plate 8.

Referring to attached drawing 10, fixing seat 7 is provided with protrusion close to the side of dynamic model 3, when dynamic model 3 and the molding of quiet mould 2, protrusion It is inserted between locating piece 52 and limited block 6, prevents the locating piece 52 in the process being molded from sliding on bottom plate 8 It is dynamic.Two limited blocks 6 offer limiting slot 61 close to the bottom of 8 side of bottom plate.The two sides of bottom plate 8 are fixedly connected with 61 phase of limiting slot The sliding block 83 mutually cooperated.Bottom plate 8 can carry out on dynamic model 3 along the length direction of limited block 6 under the action of hydraulic cylinder 41 Sliding.Coordinating block 1 is enabled to be mutually disengaged with groove 1 in this way, forming blocks 5122 and groove 2 131 are mutually de- From consequently facilitating automobile moulding 1 is removed from cavity plate 31.The top of bottom plate 8 offers and 71 bottom phase interworking of tilting bar The mating groove 82 of conjunction enables tilting bar 71 to pass completely through angling hole 521 and tilting bar 71 by the way that mating groove 82 is arranged Both ends are all limited, so that locating piece 52 preferably be prevented to be subjected to displacement in the process of injection molding, the bottom of tilting bar 71 is in The spherical setting of semicircle, so that tilting bar 71 is more convenient when being inserted into angling hole 521.

Referring to attached drawing 11, it is provided with fillet 5211 on the top side of angling hole 521, to incline by the way that fillet 5211 is arranged Brace 71 can be more convenient be inserted into angling hole 521.Mounting blocks 51 are close to the side of locating piece 52 along perpendicular to this The direction of side offers reseting groove 515, and reseting groove 515 is opened away from the direction that opens up of a lateral edge reseting groove 515 of locating piece 52 Equipped with fixing groove 513, locating piece 52 offers the link slot 524 being interconnected with reseting groove 515 close to the side of mounting blocks 51. It is fixedly connected with guide rod 514 in fixing groove 513, the length direction of guide rod 514 opens up direction phase with fixing groove 513 Together, reset spring 516 is provided in reseting groove 515,516 one end of reset spring is fixedly connected on reseting groove 515 away from positioning On the mounting blocks 51 of 52 side of block, the other end of reset spring 516 is fixedly connected on link slot 524 away from 51 side of mounting blocks On locating piece 52.Spring is in compressive state.After by setting spring dynamic model 3 and quiet mould 2 being mutually disengaged, locating piece 52 It can be bonded to each other under the action of the spring with limited block 6, will not be slided towards mounting blocks 51, prevent the positioning on locating piece 52 Column 522 impacts the demoulding of moulding.

The mold with side core-pulling mechanism carry out using when working principle it is as follows: when molding, tilting bar 71 and inclination Under the action of hole 521, locating piece 52 is slided towards mounting blocks 51, and positioning column 522 is made to be inserted respectively into location hole one 5111 and location hole 2 5121 in, under the action of positioning column 522, coordinating block 1 and coordinating block 2 512 are positioned, So that one 121 arc-shaped part of groove, 2 131 arc-shaped part of groove and the through-hole 141 of the automobile moulding 1 that injection molding is completed Coaxially；After injection molding is completed, the direction that dynamic model 3 faces away from quiet mould 2 is moved, in tilting bar 71 and reset spring 516 Under the action of, locating piece 52 is slided towards 6 direction of limited block, so that positioning column 522 will not be to automobile moulding 1 Demoulding impacts, and the direction that then hydraulic cylinder 41 drives bottom plate 8 to face away from cavity plate 31 is slided, so that coordinating block one 511 and coordinating block 2 512 be mutually disengaged with automobile moulding 1, complete demoulding to moulding.

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 (10)

1. a kind of mold side core-pulling mechanism, it is characterised in that: be located at cavity plate (31) side including being arranged on dynamic model (3) top surface Bottom plate (8), the hydraulic cylinder (41), solid that is fixedly connected on dynamic model (3) side and is located at bottom plate (8) away from cavity plate (31) side Surely the mounting blocks (51) at the top of bottom plate (8) close to cavity plate (31) side middle position are connected to, are arranged in mounting blocks (51) two sides Can on bottom plate (8) along close to and far from mounting blocks (51) directions slided locating piece (52), be fixedly connected on peace Dress block (51) protrudes into the coordinating block one identical with groove one (121) size shape in cavity plate (31) close to cavity plate (31) side (511), it is fixedly connected on the coordinating block two (512) of mounting blocks (51) close cavity plate (31) side, is fixedly connected on coordinating block two (512) close to coordinating block one (511) side forming blocks (5122) identical with groove two (131) size shape, be fixedly connected In locating piece (52) close to the positioning column (522) of coordinating block one (511) side and two inclinations being fixedly connected on quiet mould (2) Bar (71)；

Bottom plate (8) is slided on dynamic model (3) along the direction close to and far from cavity plate (31), the piston rod of hydraulic cylinder (41) (411) it is fixed together with bottom plate (8)；

Side on coordinating block one (511) away from coordinating block two (512) offers the location hole one through coordinating block one (511) (5111), coordinating block two (512) offers the location hole coaxial with location hole one (5111) away from the side of coordinating block one (511) Two (5121), two locating pieces (52) are all fixedly connected with positioning column (522), two positioning columns close to the side of coordinating block one (511) (522) it is inserted respectively into location hole one (5111) and location hole two (5121), the positioning being inserted into location hole one (5111) Column (522) close to the side flush of coordinating block two (512), is determined close to one end of coordinating block two (512) and coordinating block one (511) The diameter of position column (522), location hole one (5111) and location hole two (5121) is equal to the diameter of through-hole (141)；

It is all offered at the top of locating piece (52) and tilting bar (71) mutually matched angling hole (521), the bottom of angling hole (521) The direction for facing away from mounting blocks (51) is obliquely installed.

2. mold side core-pulling mechanism according to claim 1, it is characterised in that: be provided at the top of the locating piece (52) Two angling holes (521), there are four tilting bar (71) settings, corresponds respectively at four angling holes (521).

3. mold side core-pulling mechanism according to claim 1, it is characterised in that: the bottom plate (8) and bottom plate (8) are slided The two sides that direction is parallel to each other are provided with the limited block (6) being fixedly connected on dynamic model (3).

4. mold side core-pulling mechanism according to claim 3, it is characterised in that: two limited blocks (6) are close to bottom plate (8) one The bottom of side offers limiting slot (61), and the two sides of bottom plate (8) are fixedly connected with limiting slot (61) mutually matched sliding block (83).

5. mold side core-pulling mechanism according to claim 1, it is characterised in that: fixed on the top surface of the bottom plate (8) It is connected with two sliding rails (81) for being located at mounting blocks (51) two sides, the length direction of sliding rail (81) and the length direction of limited block (6) It is mutually perpendicular to；

Locating piece (52) bottom offer width it is equal in sliding rail (81) width and with sliding rail (81) mutually matched sliding slot (523)。

6. mold side core-pulling mechanism according to claim 1, it is characterised in that: the mounting blocks (51) are close to locating piece (52) two sides all offer reseting groove (515), be provided in reseting groove (515) one end and mounting blocks (51) contact other end with The reset spring (516) in compressive state of locating piece (52) contact.

7. mold side core-pulling mechanism according to claim 6, it is characterised in that: the reseting groove (515) is away from positioning The side of block (52) is provided with the guide rod (514) being fixedly connected on mounting blocks (51), and reset spring (516) is arranged and is oriented to Bar (514) is outside.

8. mold side core-pulling mechanism according to claim 7, it is characterised in that: the reseting groove (515) is away from positioning The side of block (52) is provided with the fixing groove (513) being provided on mounting blocks (51), and guide rod (514) is inserted into fixing groove (513) it is fixed together in mounting blocks (51).

9. mold side core-pulling mechanism according to claim 1, it is characterised in that: offered on the bottom plate (8) two with The mutually matched mating groove in tilting bar (71) bottom (82), when molding, tilting bar (71) bottom is inserted into mating groove (82).

10. mold side core-pulling mechanism according to claim 1, it is characterised in that: the bottom of the tilting bar (71) is in The spherical setting of semicircle.