CN114801082A

CN114801082A - Injection mold structure of large automobile instrument panel class

Info

Publication number: CN114801082A
Application number: CN202210370916.0A
Authority: CN
Inventors: 岑科雷; 方少平; 何宏斌; 岑渝
Original assignee: Yuyao Dewosi Mould Technology Co ltd
Current assignee: Yuyao Dewosi Mould Technology Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-29
Anticipated expiration: 2042-04-11
Also published as: CN114801082B

Abstract

The application relates to an injection mold structure of large-scale automobile instrument board class, including die core and die cavity, be provided with the big oblique top mechanism of front mould in the die cavity, be provided with large-scale slider mechanism in the die core. The auxiliary guide rail with the T-shaped groove is designed to guide and guide sliding, so that the inclined ejector rod cannot deform due to the super-large weight and the movement inertia force of the inclined ejector block, a plurality of reset rods are pressed by the parting surface of the mold core in a collision mode to enable the inclined ejector block and the nitrogen spring to be matched and reset, the inclined ejector block can always keep smooth and stable in motion under the combined action of the inclined ejector rod, the auxiliary guide sliding block and the limiting groove, the risk of collision of a mold is avoided, the front mold inclined outward-drawing sliding block on the mold core is pressed by the mold cavity, the lengthened shovel base tightly supports against the sliding locking block, the mold locking force of the injection molding equipment is enabled to perform counter locking, the inner inclined sliding block cannot retreat during injection molding, the quality stability of products is ensured, and the phenomenon that the defects of flash or multiple adhesives and the like are generated at the position of the sealing surface of the sliding block is avoided.

Description

Injection mold structure of large automobile instrument panel class

Technical Field

The application relates to the technical field of injection molds, in particular to an injection mold structure for large automobile instrument panels.

Background

At present, with the rapid advance of advanced manufacturing technology of the die, the proportion of large, complex, automatic and long-life die in the whole die output is larger and larger. The automobile instrument board framework is the largest interior trim plastic part on an automobile, the appearance volume is large, the product structure is complex, and the injection pressure in a mold cavity is large during molding. In the mold design of the product, a large-scale lifter and a large-scale inner sliding block are frequently encountered, and due to the fact that the weight of the product and the sealing area are large, the product can bear large injection molding pressure during molding. The design can not be carried out according to the thought and the method for manufacturing small and medium-sized injection molds, and the large inclined top and the large sliding block structure in the instrument panel framework mold have higher requirements.

According to the complex structure characteristics of the automobile instrument board, a stable, efficient, durable and reasonable large-pitched roof and large-sized sliding block mechanism is designed, and the key step for ensuring the quality of the large-sized instrument board product is provided. In the design of the former die, the diameter of an ejector rod connected with an inclined ejector block is increased and an ejector rod guide sleeve is prolonged aiming at the design of a large inclined ejector, however, in the actual production, due to the large weight of some inclined ejector blocks, the inclined ejector rod is easy to bend and deform when the inclined ejector block performs ejection movement, so that the die is clamped or even damaged by collision when the inclined ejector rod resets, and the defect that a large amount of flash or glue is generated in the position of a product on a sealing glue surface of a sliding block is caused.

Disclosure of Invention

In order to reduce the overlap or the gluey phenomenon of article of moulding plastics, this application provides an injection mold structure of large-scale motormeter panel class.

The above object of the present application is achieved by the following technical solutions:

an injection mold structure of large automobile instrument panels comprises a mold core and a mold cavity which are buckled together in a mold closing manner, wherein an installation cavity is formed in one end, far away from the mold core, of the mold cavity, a front mold large inclined ejection mechanism is arranged in the installation cavity, the front mold large inclined ejection mechanism comprises a large inclined ejection block, an inclined ejection rod, an inclined ejection seat supporting plate, a nitrogen spring and a plurality of reset rods, the large inclined ejection block is obliquely, slidably and embedded in the mold cavity and close to one end face of the mold core, the inclined ejection rod is arranged in the installation cavity and drives the large inclined ejection block to slide, the inclined ejection seat supporting plate is arranged on one side, far away from the large inclined ejection block, the nitrogen spring is arranged on the inclined ejection seat supporting plate and pushes the inclined ejection rod to slide, the reset rods are arranged on the inclined ejection seat supporting plate and are positioned on two sides of the nitrogen spring, an inclined ejection installation groove for slidably inserting the large inclined ejection block is formed in the mold cavity, and a guide sliding block is arranged on the inclined ejection side wall, the spacing groove is opened to big kicking block side, big kicking block is in to one side the spacing inslot is provided with two direction briquetting, the direction briquetting is followed big kicking block sliding direction sets up, big kicking block to one side with form the confession between the direction briquetting the spout that the direction slider embedding slided, the direction slider is followed the spout slides the butt extremely spacing groove lateral wall and restriction big kicking block to one side remove in the kicking mounting groove to one side, the release link is worn out the die cavity butt joint to the core is close to a terminal surface and the drive of die cavity oblique kicking seat layer board in the installation intracavity slides.

By adopting the technical scheme, the large inclined ejector block of the front mould is about 40kg in weight and is a large inclined ejector structure, because the large inclined ejector block is limited by a product structure and a mould cavity space, when a large inclined ejector head is subjected to demoulding ejection, the diameter of an inclined ejector rod and the lengths of two sliding guide sleeves on the rod cannot fully ensure the stability of the inclined ejector block under the injection pressure and in operation, under the limitation of the product structure and the size of a mould core material, aiming at the inclined core-pulling slide block of the rear mould, the previous design thought is generally designed by a method of increasing the thickness of a mould cavity mould core by a linkage oil cylinder, or a large support plate is additionally arranged at the bottom of the mould core, and a movable ejection mechanism is arranged between the mould core and a bottom plate, so that the slide block is easy to retreat by strong injection pressure during the forming to cause the phenomena of burrs and glue-sealing parts, the inclined ejector rod guide sleeve of the inclined ejector block is improved into a limit groove in the scheme, the limiting groove is changed into a T-groove-shaped composite guide block through the two guide press blocks, so that when the large inclined ejecting block is separated from a mold core to move and eject, the inclined ejecting rod cannot deform due to the self heavy weight and the motion inertia force of the inclined ejecting block, the large inclined ejecting block is ensured to be stable and accurately reset in motion, meanwhile, the source power of the large inclined ejecting block is provided by a nitrogen spring when the large inclined ejecting block is ejected, the inclined ejecting block and the nitrogen spring are matched and reset by pressing a plurality of reset rods through the parting surface of the mold core during mold closing, the inclined ejecting block can always keep smooth and stable in motion under the combined action of the inclined ejecting rod, the auxiliary guide slide block and the limiting groove, and the probability of flash or excessive glue phenomenon generation of an injection mold during product production is reduced.

Preferably, a pressing plate is arranged at one end, far away from the inclined ejector rod, of the inclined ejector seat supporting plate.

Through adopting above-mentioned technical scheme, back at oblique footstock layer board sets up the clamp plate, make oblique footstock layer board collide with the inner wall of installation cavity under the effect of release link, long-time collision will make oblique footstock layer board produce wearing and tearing or deformation, and then make the shift position of big oblique kicking block appear the deviation, and then the influence is moulded plastics, set up the clamp plate through the back at oblique footstock layer board in this application, when oblique footstock layer board returns, the clamp plate will contact with the inner wall of installation cavity, thereby reduce the probability of oblique footstock layer board wearing and tearing and deformation, prolong the life of this big oblique top mechanism of front mould, simultaneously after long-time the use only need change the clamp plate alright, save the cost.

Preferably, the inclined top seat supporting plate is provided with a guide limiting rod on one side of the reset rod, and the cavity is provided with a limiting guide groove for the guide limiting rod to slide, insert and abut.

Through adopting above-mentioned technical scheme, when oblique footstock layer board removed in the installation cavity, the stroke that its removed was restricted through the guide limiting rod to avoid oblique footstock layer board and installation cavity inner wall contact, reduce the deformation because of colliding with and causing, lead to oblique footstock layer board through guide limiting rod cooperation reset rod simultaneously, make the removal process more stable and accurate.

Preferably, the die cavity lateral wall has been seted up the guide block mounting groove, the guide block mounting groove is followed the core extremely die cavity one side is seted up and is supplied the direction slider by the core extremely die cavity one side slides and inserts, guide block mounting groove lateral wall is provided with spacing convex cone, the direction slider side is seted up and is supplied spacing convex groove that spacing convex cone slides and inserts, spacing convex cone by the die cavity extremely die core one side is the semicircle cone who splits along the axis.

Through adopting the above-mentioned technical scheme, the oblique top mounting groove is for cooperating sliding of big oblique kicking block, its lateral wall is the slope form, it is comparatively inconvenient to set up the guide block mounting groove at the slope lateral wall of oblique top mounting groove, the orientation of seting up of guide block mounting groove is designed in this scheme, make only need to set up alright along the direction of core to die cavity, make the course of working more convenient, in addition the shape of spacing convex cone, make the installation of direction slider more convenient, also can carry on spacingly to the direction slider through spacing convex cone in addition, make sliding of big oblique kicking block more stable.

Preferably, a slide block mounting groove is formed in one end, close to the cavity, of the mold core, a large slide block mechanism is arranged in the slide block mounting groove, the large slide block mechanism comprises a large insert fixed on the side wall of the slide block mounting groove, an inner inclined slide block obliquely sliding and inserted in the slide block mounting groove, a front mold oblique outward-drawing slide block and a sliding locking block perpendicular to the inner inclined slide block and the front mold oblique outward-drawing slide block, a parting surface for forming the edge of a large instrument panel is formed between the inner inclined slide block and the front mold oblique outward-drawing slide block, the sliding locking block is supported at one end, far away from the front mold oblique outward-drawing slide block, of the inner inclined outward-drawing slide block, and one end, close to the sliding locking block, of the front mold oblique outward-drawing slide block is provided with a lengthened shovel base which moves together with the front mold oblique outward-drawing slide block and abuts against the side end of the sliding locking block.

By adopting the technical scheme, the phenomenon of flash or glue sealing at the edge of a plastic product is caused not only because of a large-area glue sealing structure of the inclined slide block, but also because of a large-area glue sealing mechanism of the front mould, the large-area glue sealing structure of the inclined slide block can bear the injection pressure in a mould cavity, the self force of the oil cylinder is often not enough to lock the slide block and retreat, and the defect that a large amount of flash or glue is caused to be generated at the position of the glue sealing surface of the slide block, in the scheme, the inner inclined slide block is supported by the sliding locking block, and the sliding locking block is fixed by the lengthening shovel base on the front mould inclined outward-drawing slide block, so that the inner inclined slide block is more stable, and simultaneously, when the mould is closed, the mould cavity compresses the front mould inclined outward-drawing slide block on the mould core, so that the lengthening shovel base tightly supports the sliding locking block, and the strong injection pressure born by the inner inclined slide block during the forming is finally converted into the mode locking force of injection equipment to perform counter locking, the inner inclined slide block can not retreat during injection molding, the quality stability of products is ensured, and the probability of flash or glue excess phenomenon during the production of products by the injection mold is reduced.

Preferably, the mold core is provided with a positioning head abutting against the lengthened shovel base far away from one side end of the sliding locking block on the bottom wall of the slide block mounting groove, and a through groove for the positioning head to slide and penetrate is formed in one end, far away from the front mold, of the sliding locking block, of the inclined outward-drawing slide block.

Through adopting above-mentioned technical scheme, bottom through at the slider mounting groove sets up the location head, make location head butt keep away from a side end of slip latch segment at extension shovel base, make the location head can support extension shovel base, when the slip latch segment has the trend of retreating, the location head can effectively prevent extension shovel base and produce deformation, set up the logical groove that supplies the location head to slide to pass on the slip latch segment simultaneously, make when the die sinking, the in-process that the slip latch segment retreats, the location head can not exert an influence, it is more convenient.

Preferably, a wear-resisting plate is arranged at one side end, close to the positioning head, of the sliding locking block.

Through adopting above-mentioned technical scheme, through setting up the antifriction plate on the slip locking piece for extension shovel base is when spacing to the interior sloping slide block, will direct butt on the antifriction plate, thereby reduce because of the long-time wearing and tearing phenomenon that leads to slip locking piece or extension shovel base after using, make the slip locking piece still can be locked after long-time the use, simultaneously only need change the antifriction plate alright after the antifriction plate wearing and tearing, it is more convenient, the cost is lower.

Preferably, one end of the front mold inclined outward drawing sliding block, which is far away from the inner inclined sliding block, is provided with an equal-height block which is abutted to one end face, close to the mold core, of the mold cavity.

By adopting the technical scheme, the equal-height blocks are arranged at the top of the front die inclined outward drawing sliding block, and the equal-height blocks are in contact with the cavity, so that the pressure is applied to the front die inclined outward drawing sliding block, and the locking force can be stably converted into the locking force by the equal-height blocks through replacement after the front die inclined outward drawing sliding block is used for a long time.

Preferably, an auxiliary positioning column pushed by the reset rod is obliquely arranged in the large insert in a sliding manner, an auxiliary positioning hole for inserting the auxiliary positioning column is formed in the side end of the sliding locking block, and a reset spring for driving the auxiliary positioning column to reset is arranged at the side end, close to the sliding locking block, of the large insert.

Through adopting above-mentioned technical scheme, when the compound die, the release link will promote supplementary reference column slope removal and insert and connect to in the supplementary locating hole of interior oblique slider, carry on spacingly to interior oblique slider once more through supplementary reference column, make the big oblique top mechanism of front mould and large-scale slider mechanism link simultaneously, further improved stability.

Preferably, the core is provided with a push block in a vertical sliding manner on one side of the large insert, the lower end of the push block is provided with a reset pressure spring, the end surface of one side of the push block, which is close to the large insert, is an inclined push surface, and one end of the auxiliary positioning column, which is far away from the sliding locking block, is provided with a guide surface abutted against the push surface

By adopting the technical scheme, the method has the advantages that,

to sum up, the beneficial technical effect of this application does:

1. the limiting groove is changed into a T-groove-shaped composite type guiding guide block through the two guiding press blocks, so that when the large inclined ejecting block is separated from a mold core to move and eject, the inclined ejecting rod cannot deform due to the self heavy weight and the movement inertia force of the inclined ejecting block, the large inclined ejecting block is ensured to be stable and accurately reset during movement, meanwhile, the source power of the large inclined ejecting block during ejection is provided by a nitrogen spring, the inclined ejecting block and the nitrogen spring are matched and reset by pressing a plurality of reset rods through the parting surface of the mold core during mold closing, and the inclined ejecting block can always keep smooth and stable during movement under the combined action of the inclined ejecting rod, the auxiliary guiding slide block and the limiting groove, so that the probability of flash or glue excess phenomenon of an injection mold during product production is reduced;

2. the inner inclined slide block is supported by the sliding locking block, and the sliding locking block is fixed by the lengthened shovel base on the front mold inclined outer drawing slide block, so that the inner inclined slide block is more stable, and meanwhile, when the mold is closed, the cavity presses the front mold inclined outer drawing slide block on the mold core, so that the lengthened shovel base tightly supports the sliding locking block, and therefore, the strong injection pressure borne by the inner inclined slide block during molding is finally converted into the mold locking force of injection molding equipment to perform anti-locking, the inner inclined slide block cannot retreat during injection molding is ensured, the quality stability of products is ensured, and the probability of flash or excessive glue phenomenon during production of products by the injection mold is reduced;

3. when the die is closed, the reset rod can push the auxiliary positioning column to move obliquely and be inserted into the auxiliary positioning hole of the inner oblique sliding block, the inner oblique sliding block is limited again through the auxiliary positioning column, and meanwhile, the front die large oblique ejection mechanism and the large sliding block mechanism are linked, so that the stability is further improved.

Drawings

FIG. 1 is a schematic structural view of an injection mold structure for large automobile instrument panels;

FIG. 2 is a schematic structural view of a mold cavity;

FIG. 3 is a schematic structural view of another view of the cavity;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic structural view of a large pitched roof mechanism of a front mold;

FIG. 6 is an enlarged view of FIG. 5 at B;

FIG. 7 is a schematic view of the construction of the core;

FIG. 8 is an enlarged view at C of FIG. 7;

FIG. 9 is a cross-sectional view of a large slider mechanism;

fig. 10 is a schematic partial exploded view of a large slider mechanism.

In the figure: 1. a cavity; 11. a mounting cavity; 111. a limiting guide groove; 12. a pitched roof installation groove; 121. a guide block mounting groove; 122. a limiting convex cone; 123. a guide slider; 13. concave holes; 2. a core; 21. a slide block mounting groove; 22. pushing the groove; 221. a push block; 222. resetting the pressure spring; 3. a front mould large inclined top mechanism; 31. a large inclined ejector block; 311. a limiting groove; 312. guiding and pressing blocks; 313. a chute; 32. an oblique ejector rod; 33. a sloping top seat supporting plate; 331. pressing a plate; 332. guiding a limiting rod; 34. a nitrogen spring; 35. a reset lever; 4. a large-scale slider mechanism; 41. a large insert; 411. an auxiliary positioning column; 42. an inner inclined slide block; 43. the front mold is obliquely drawn out of the sliding block; 431. lengthening a shovel base; 432. equal-height blocks; 433. fine positioning blocks; 44. a sliding locking block; 441. a through groove; 442. a wear plate; 443. auxiliary positioning holes; 444. a return spring; 45. and (6) positioning the head.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

Referring to fig. 1, an injection mold structure for large automobile instrument panels includes a cavity 1 and a core 2 which are clamped together.

Referring to fig. 3 and 5, an installation cavity 11 is formed in one end, away from the core 2, of the cavity 1, and a front mold large-pitched roof mechanism 3 is arranged in the installation cavity 11 of the cavity 1.

Referring to fig. 2, 4 and 6, an oblique jacking installation groove 12 is formed at one end of the mold cavity 1 close to the mold core 2, the front mold large oblique jacking mechanism 3 comprises a large oblique jacking block 31 obliquely and slidably embedded in the oblique jacking installation groove 12, an oblique jacking rod 32 fixed at one end of the large oblique jacking block 31 far away from the mold core 2 through a bolt, an oblique jacking seat supporting plate 33 slidably inserted in the installation cavity 11, a nitrogen spring 34 fixed at one end of the oblique jacking seat supporting plate 33 close to the large oblique jacking block 31 through a bolt, and two groups of reset rods 35 fixed at the large oblique jacking block 31 through bolts and positioned at two sides of the nitrogen spring 34, one end of the oblique jacking rod 32 far away from the large oblique jacking block 31 is fixed at an output end of the nitrogen spring 34 through a bolt, so that the nitrogen spring 34 can drive the large oblique jacking block 31 to slide in the oblique jacking installation groove 12 through the oblique jacking rod 32, the reset rod 35 penetrates through one end face of the mold cavity 1 close to the mold core 2 and abuts against one end face of the mold core 2 close to the mold cavity 1, when the die cavity 1 and the die core 2 are matched, the reset rod 35 drives the inclined top seat supporting plate 33 to move towards one side far away from the die core 2 in the installation cavity 11, and then drives the large inclined top block 31 to move to be inserted back into the inclined top installation groove 12.

Referring to fig. 4 and 6, a limit groove 311 is formed at the side end of the large slanted ejecting block 31, two guide pressing blocks 312 are fixed in the limit groove 311 by bolts, the length direction of the guide pressing blocks 312 is parallel to the sliding direction of the large slanted ejecting block 31, a T-shaped sliding groove 313 is formed between the two guide pressing blocks 312 and the bottom wall of the limit groove 311, a guide block mounting groove 121 is formed in the side wall of the slanted ejecting mounting groove 12 of the cavity 1, the direction of the guide block mounting groove 121 is from the core 2 to one side of the cavity 1, a limit convex cone 122 is integrally arranged on the inner side wall of the guide block mounting groove 121, the limit convex cone 122 is in a semi-cone shape split along the axis from the cavity 1 to one side of the core 2, the diameter of the limit convex cone 122 from the end close to the core 2 to the end far away from the core 2 is gradually increased, a guide sliding block 123 is fixed in the guide block mounting groove 121 by bolts, the end of the guide sliding block 123 far from the limit convex cone 122 is inserted in the sliding groove 313 and limited by the guide pressing block 312, when the guide sliding block 123 abuts against the bottom wall of the limiting groove 311, the large inclined ejecting block 31 stops moving, so that the large inclined ejecting block 31 can move in a certain direction under the limiting of the guide pressing block 312 and the guide sliding block 123 when sliding.

Referring to fig. 6, a pressing plate 331 is fixed to one end of the inclined top seat supporting plate 33 far away from the reset rod 35 through bolts, one end face of the pressing plate 331 far away from the mold core 2 protrudes out of one end face of the inclined top seat supporting plate 33 far away from the mold core 2, one end of the inclined top seat supporting plate 33 close to the mold core 2 is fixed to two sides of the reset rod 35 through bolts and is provided with a guide limiting rod 332, the guide limiting rod 332 is parallel to the reset rod 35, the bottom wall of the installation cavity 11 of the mold cavity 1 is provided with a limiting guide groove 111 for the guide limiting rod 332 to insert and abut against, the guide limiting rod 332 is matched with the reset rod 35 and the inclined ejector rod 32 to guide the large inclined top block 31, and when the guide limiting rod 332 abuts against the bottom wall of the limiting guide groove 111, the inclined top seat supporting plate 33 stops moving.

Referring to fig. 7 and 9, a slider mounting groove 21 is formed at one end of the mold core 2 close to the mold cavity 1, a large slider mechanism 4 is arranged in the slider mounting groove 21 of the mold core 2, the large slider mechanism 4 includes a large insert 41 fixed to a side wall of the slider mounting groove 21 through a bolt, an inner inclined slider 42 inserted in the slider mounting groove 21 in an inclined sliding manner and abutted to a side wall far away from the large insert 41 in the slider mounting groove 21, a front mold inclined outward-drawing slider 43 connected to one side end of the large insert 41 close to the inner inclined slider 42 in a sliding manner, and a sliding locking block 44 sliding perpendicular to the inner inclined slider 42 and the front mold inclined outward-drawing slider 43.

The inner inclined slide block 42 and the front mold inclined outward-drawing slide block 43 are parallel to each other, a parting surface for forming the edge of the instrument panel is formed between the inner inclined slide block 42 and the front mold inclined outward-drawing slide block 43, the sliding locking block 44 slides on the lower side of the large insert 41, when the inner inclined slide block 42 slides out under the driving of the oil cylinder and is separated from the contact with the inner wall of the slide block mounting groove 21, the sliding locking block 44 horizontally moves to the lower side of the inner inclined slide block 42 under the driving of the oil cylinder and is abutted to one end face, away from the front mold inclined outward-drawing slide block 43, of the inner inclined slide block 42, the lower end of the front mold inclined outward-drawing slide block 43 is fixedly provided with the lengthened shovel base 431 through bolts, when the lengthened shovel base 431 moves to the abutted inner inclined slide block 42 along with the front mold inclined outward-drawing slide block 43, the lengthened shovel base 431 is abutted to the side end of the sliding locking block 44, and the sliding locking block 44 retracts.

Referring to fig. 9 and 10, the positioning head 45 is fixed on the bottom wall of the slider mounting groove 21 of the mold core 2 through a bolt, the sliding locking block 44 is provided with a through groove 441 for the positioning head 45 to slide through on one end face abutting against the bottom wall of the slider mounting groove 21, the lengthened shovel base 431 can be inserted between the positioning head 45 and the movable shovel base, the wear-resisting plate 442 is fixed on one side end of the movable shovel base and the positioning head 45 close to the lengthened shovel base 431 through a bolt, both side ends of the positioning head 45 abut against the wear-resisting plate 442, and the lengthened shovel base 431 is supported through the positioning head 45.

An end face, far away from the inner inclined slide block 42, of the front mold inclined outward-drawing slide block 43 is fixedly provided with an equal-height block 432 through a bolt, when the mold is closed, the equal-height block 432 is abutted to an end face, close to the mold core 2, of the mold cavity 1, so that downward force is applied to the front mold inclined outward-drawing slide block 43, the lengthened shovel base 431 is abutted to the sliding locking block 44, the sliding locking block 44 is used for ensuring that the inner inclined slide block 42 cannot retreat, the front mold inclined outward-drawing slide block 43 and one end, close to the mold cavity 1, of the large insert 41 are fixedly provided with a fine positioning block 433 through a bolt, and one end face, close to the mold core 2, of the mold cavity 1 is provided with a concave hole 13 corresponding to the fine positioning block 433 and used for inserting of the fine positioning block 433.

Referring to fig. 8 and 10, a push slot 22 is formed at one end of the core 2 close to the cavity 1, a reset rod 35 is aligned with the slot and can be inserted into the push slot 22, a push block 221 is vertically inserted into the push slot 22 in a sliding manner, a reset compression spring 222 is embedded at the lower end of the push block 221, when the mold is closed, the reset rod 35 can push the push block 221 to compress the reset compression spring 222, the side end of the push slot 22 is communicated with the slide block mounting slot 21, an auxiliary positioning column 411 is inserted into the large insert 41 in an inclined sliding manner, an auxiliary positioning hole 443 for the auxiliary positioning column 411 to penetrate is formed at the side end of the sliding locking block 44, one end of the auxiliary positioning column 411 is communicated with the push slot 22 and abutted to the side end of the push block 221, the end surface of the push block 221 abutted to the auxiliary positioning column 411 is an inclined push surface, one end surface of the auxiliary positioning column 411 abutted to the push block 221 is an inclined guide surface, the reset rod 35 during mold closing can push the push block 221 to move, and then drive auxiliary positioning post 411 and insert in auxiliary positioning hole 443 to further carry on spacing to slip latch segment 44, the inside wall welding of big insert 41 has reset spring 444, and the other end welding of reset spring 444 is on auxiliary positioning post 411, can drive auxiliary positioning post 411 roll-off auxiliary positioning hole 443 through reset spring 444.

The implementation principle of the embodiment is as follows:

when the injection mold structure is closed, the inner inclined slide block 42 slides out in an inclined manner under the action of the oil cylinder, the sliding locking block 44 slides in an inclined manner under the action of the oil cylinder to abut against the lower end of the inner inclined slide block 42, so that the inner inclined slide block 42 is supported, the front mold inclined outward-drawing slide block 43 resets under the action of the oil cylinder, so that the lengthened shovel base 431 slides in a sliding manner and is inserted between the inner inclined slide block 42 and the positioning head 45 until the lengthened shovel base 431 abuts against the wear-resisting plate 442 at the side end of the inner inclined slide block 42 and the positioning head 45, the reset rod 35 at one side of the cavity 1 abuts against one end surface of the core 2 close to the cavity 1 first, the reset rod 35 penetrates into the core 2, the reset rod 35 abuts against one end of the auxiliary positioning column 411, so that the auxiliary positioning column 411 moves towards the inner inclined slide block 42 in the large insert block 41 until being inserted into the auxiliary positioning hole 443, the nitrogen spring 34 drives the large inclined top block 31 to slide towards the inclined top mounting groove 12, other release link 35 butt core 2's an terminal surface and to die cavity 1 internal contraction to drive oblique footstock layer board 33 and slide in installation cavity 11, the oblique footstock layer board 33 that slides drives big oblique kicking block 31 and resets completely, when die cavity 1 and core 2 are complete with the mould, the oblique outer slider 43 of taking out of front mould is compressed tightly, makes extension shovel base 431 support tight slip locking block 44.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an injection mold structure of large-scale motormeter board class which characterized in that: the mold comprises a mold core (2) and a mold cavity (1) which are buckled together in a mold closing way, wherein a mounting cavity (11) is formed in one end, far away from the mold core (2), of the mold cavity (1), a front mold large inclined ejection mechanism (3) is arranged in the mounting cavity (11), the front mold large inclined ejection mechanism (3) comprises a large inclined ejection block (31) which is obliquely and slidably embedded in the mold cavity (1) and close to one end face of the mold core (2), an inclined ejection rod (32) which is arranged in the mounting cavity (11) and drives the large inclined ejection block (31) to slide, an inclined ejection seat supporting plate (33) which is arranged on one side, far away from the large inclined ejection block (31), a nitrogen spring (34) which is arranged on the inclined ejection seat supporting plate (33) and pushes the inclined ejection rod (32) to slide, and a plurality of reset rods (35) which are arranged on the inclined ejection seat supporting plate (33) and are positioned on two sides of the nitrogen spring (34), offer on die cavity (1) and supply to push up mounting groove (12) to one side that big oblique kicking block (31) slided and peg graft, die cavity (1) in oblique kicking mounting groove (12) lateral wall is provided with direction slider (123), spacing groove (311) are opened to big oblique kicking block (31) side, big oblique kicking block (31) are in be provided with two direction briquetting (312) in spacing groove (311), direction briquetting (312) are followed big oblique kicking block (31) slip direction sets up, big oblique kicking block (31) with form the confession between direction briquetting (312) spout (313) that direction slider (123) embedding slided, direction slider (123) are followed spout (313) slide butt joint to spacing groove (311) lateral wall and restriction big oblique kicking block (31) to move in oblique kicking mounting groove (12), reset rod (35) are worn out die cavity (1) butt to core (2) are close to a terminal surface of die cavity (1) and drive institute The inclined top seat supporting plate (33) slides in the mounting cavity (11).

2. The injection mold structure of large automobile instrument panels according to claim 1, characterized in that: and a pressing plate (331) is arranged at one end of the inclined top seat supporting plate (33) far away from the inclined top rod (32).

3. The injection mold structure of large automobile instrument panels according to claim 1, characterized in that: oblique footstock layer board (33) are in one side of release link (35) is provided with direction gag lever post (332), die cavity (1) in installation cavity (11) diapire has seted up the confession direction gag lever post (332) slide insert and spacing guide way (111) of butt.

4. The injection mold structure of large automobile instrument panels according to claim 1, characterized in that: guide block mounting groove (121) have been seted up to die cavity (1) lateral wall, guide block mounting groove (121) are followed core (2) extremely die cavity (1) one side is seted up and is supplied direction slider (123) by core (2) extremely die cavity (1) one side slides and inserts, guide block mounting groove (121) lateral wall is provided with spacing convex cone (122), confession has been seted up to direction slider (123) side spacing convex cone (122) slide the male spacing tongue, spacing convex cone (122) by die cavity (1) extremely core (2) one side is the semicircle cone of cutting open along the axis.

5. The injection mold structure of large automobile instrument panels according to claim 1, characterized in that: a sliding block mounting groove (21) is formed in one end, close to the cavity (1), of the mold core (2), a large sliding block mechanism (4) is arranged in the sliding block mounting groove (21), the large sliding block mechanism (4) comprises a large insert (41) fixed to the side wall of the sliding block mounting groove (21), an inner inclined sliding block (42) obliquely and slidably inserted into the sliding block mounting groove (21), a front mold obliquely and outwardly drawn sliding block (43), and a sliding locking block (44) perpendicular to the inner inclined sliding block (42) and the front mold obliquely and outwardly drawn sliding block (43), a parting surface for forming the edge of a large instrument panel is formed between the inner inclined sliding block (42) and the front mold obliquely and outwardly drawn sliding block (43), the sliding locking block (44) is supported at one end, far away from the front mold obliquely and outwardly drawn sliding block (43), of the front mold obliquely and outwardly drawn sliding block (43) close to the sliding locking block (44) is provided with one end, close to the front mold obliquely and outwardly drawn sliding block (43), one end is provided with the front mold outwardly drawn sliding block (43) And an extended shovel base (431) which moves and abuts against the side end of the sliding locking block (44).

6. The injection mold structure of large automobile instrument panels according to claim 5, characterized in that: the mold core (2) is provided with a positioning head (45) which abuts against the lengthened shovel base (431) and is far away from one side end of the sliding locking block (44) on the bottom wall of the slide block mounting groove (21), and a through groove (441) for the positioning head (45) to slide and pass is formed in one end, far away from the front mold inclined outward-drawing slide block (43), of the sliding locking block (44).

7. The injection mold structure of large automobile instrument panels according to claim 6, characterized in that: and a wear-resisting plate (442) is arranged at one side end, close to the positioning head (45), of the sliding locking block (44).

8. The injection mold structure of large automobile instrument panels according to claim 5, characterized in that: and one end of the front mold inclined outward drawing sliding block (43) far away from the inner inclined sliding block (42) is provided with an equal-height block (432) abutted to one end face of the cavity (1) close to the mold core (2).

9. The injection mold structure of large automobile instrument panels according to claim 5, characterized in that: the large insert (41) is provided with an auxiliary positioning column (411) pushed by the reset rod (35) in an inclined sliding manner, the side end of the sliding locking block (44) is provided with an auxiliary positioning hole (443) for inserting the auxiliary positioning column (411), and the side end of the large insert (41) close to the sliding locking block (44) is provided with a reset spring (444) for driving the auxiliary positioning column (411) to reset.

10. The injection mold structure of large automobile instrument panels according to claim 9, characterized in that: the core (2) is vertically provided with a push block (221) in a sliding manner on one side of the large insert (41), the lower end of the push block (221) is provided with a reset pressure spring (222), the end face of one side, close to the large insert (41), of the push block (221) is an inclined push surface, and one end, far away from the sliding locking block (44), of the auxiliary positioning column (411) is provided with a guide surface abutted to the push surface.