CN118288498A - Auto-parts former based on high-pressure jet demoulding mechanism - Google Patents

Abstract

The invention discloses an automobile part forming device based on a high-pressure air injection demoulding mechanism, which belongs to the technical field of automobile part forming and comprises a lower die holder and an upper die holder, wherein a bottom plate is arranged at the bottom of the lower die holder, a hydraulic cylinder is fixedly arranged between the upper die holder and the lower die holder, and the lower die holder comprises two oppositely arranged combined parts. According to the invention, the plurality of jet nozzles at the top of the ejection seat can work through the pressure pump to output high-pressure gas, the high-pressure gas can be fed into the jet nozzles through the air passage in the ejection seat to be ejected to the attaching position at the bottom of the injection molding part, ejection driving of the edge position of the injection molding part is realized through the design of the ejection seat, non-contact demolding and discharging are realized through the blowing of the high-pressure gas, residual marks on the surface of the injection molding part are avoided, meanwhile, quick detachment of the demolding part is realized through the high-pressure gas, physical contact stress between the ejection seat and the injection molding part during demolding is reduced, and discharging treatment effect is improved.

Description

Auto-parts former based on high-pressure jet demoulding mechanism

Technical Field

The invention belongs to the technical field of automobile accessory molding, and particularly relates to an automobile accessory molding device based on a high-pressure air injection demolding mechanism.

Background

The special-shaped cambered surface in the automobile part is required to be subjected to injection molding treatment to ensure the design radian, rubber or plastic is extruded by an extruder and then is subjected to injection molding, and the injection molding can realize molding treatment of different shapes through the inner core of the die, so that the special-shaped cambered surface has higher use adaptability.

Chinese patent CN112192815B discloses an injection mold for the internal placement of automotive sealing strip fittings, comprising a base; the base is supported and provided with a die body, the die body comprises a male die and a female die, the male die and the female die can be clamped between the die body and the female die, and a die cavity is formed in the top of the female die. In the injection mold provided by the embodiment of the invention, the heat exchange of the cooling liquid in the heat exchange cavity can be realized through the arranged heat exchange disc, and the cooling liquid in the heat exchange cavity can be radiated through the arranged heat radiation disc; the hollow rotating shaft is driven by the driving motor to rotate, the liquid spraying pipe is enabled to do circular motion, the rotating disc is driven to rotate, the rotating disc is enabled to evenly spray upwards through air flow blown out from the air spraying port, mist and water are evenly sprayed through the atomizing nozzle, the heat dissipation disc can be fully dissipated, the injection molding efficiency of the injection molding die is improved, but in actual use, the injection molding material is required to be ejected when ejection is carried out, the surface smoothness of the material is required to be ensured, contact residues are easily generated between the ejector pin and the injection molding surface during demolding, the overall surface smoothness is affected, and the requirement of the molding processing of accessories cannot be well met.

Disclosure of Invention

The invention aims at: in order to solve the problem that the surface smoothness of the material surface needs to be ensured, contact residues are easily generated when the ejector pin contacts with an injection molding surface during demolding, and the overall surface smoothness is affected, the automobile part forming equipment based on the high-pressure air injection demolding mechanism is provided.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The utility model provides an auto-parts former based on high-pressure jet-propelled demoulding mechanism, includes die holder and upper die base, the die holder bottom is equipped with the bottom plate, and fixed mounting has the pneumatic cylinder between upper die base and the die holder, the die holder includes two combination portions that set up relatively, and fixed mounting has actuating mechanism between the die holder both sides combination portion bottom, actuating mechanism fixed connection is in the cell body of seting up at the bottom plate top, die holder inner chamber fixed mounting has the ejection mechanism that sweeps that is used for the drawing of patterns, be equipped with the membrane core mechanism between die holder and the ejection mechanism that sweeps, it includes the ejecting seat to sweep ejection mechanism, ejecting seat sliding connection is at membrane core mechanism inner chamber, and ejecting seat top fixed mounting has interior mold core, membrane core mechanism includes the outer mold core, outer mold core demountable installation is at the die holder inner chamber, outer mold core cover is established in the interior membrane core outside, outer mold core and interior mould core opposite face form into die cavity.

As a further description of the above technical solution:

The top of the ejection seat is embedded with a plurality of air injection nozzles along the axis in a surrounding manner, the bottom of the inner cavity of the ejection seat is rotationally connected with a baffle plate, one side of the ejection seat is communicated with a connecting hose, the connecting hose penetrates through an opening on one side of the lower die seat to extend to the outside and is communicated with a pressure pump for inflation and separation, and the pressure pump is fixedly arranged on one side of the outer wall of the lower die seat.

As a further description of the above technical solution:

The inner cavity of the ejection seat is rotationally connected with a plurality of shielding blocks corresponding to the air injection nozzles, through holes are formed in one side of each shielding block, a sliding ring is slidably connected between the through holes of each shielding block, a first spring is sleeved on the outer side wall of each sliding ring and the corresponding position of each shielding block, one end of each first spring is fixedly connected with one side of each shielding block, the other end of each first spring is fixedly connected with a supporting block, the supporting blocks are fixedly connected to the corresponding positions of the tops of the baffle plates, a pull rod is fixedly connected to one side, close to the connecting hose, of each baffle plate, the top of each pull rod is hinged to a connecting rod through a pin shaft, an electric push rod is hinged to the other end of each connecting rod through a pin shaft, and the electric push rod is fixedly connected to one side of the inner cavity of the lower die holder.

As a further description of the above technical solution:

The shielding block is characterized in that an inserting hole is formed in the bottom side of the shielding block, a sliding hole is formed in the corresponding position of one side of the blocking plate and the bottom side of the shielding block, an inserting rod is connected in the sliding hole in a sliding mode, a second spring is fixedly connected to the outer side wall of the inserting rod, two ends of the second spring are fixedly connected with the top end of the inserting rod and the corresponding position of one side of the blocking plate respectively, and the second spring is used for limiting the shielding block after the inserting rod is inserted into the sliding hole.

As a further description of the above technical solution:

the diameter of the inner cavity of the sliding hole is equal to that of the inserting rod, and the bottom of the baffle plate is fixedly connected with a sealing strip for sealing the rotating gap.

As a further description of the above technical solution:

the driving mechanism comprises two transmission screw rods and a driving motor, one ends of the two adjacent transmission screw rods are rotationally connected through a rotating shaft bearing, one ends of the two transmission screw rods, which are mutually far away, are rotationally connected into a groove body formed in the top of the base through bearings, the thread directions of the transmission screw rods are opposite, an output shaft of the driving motor is fixedly connected with one end of the transmission screw rod on one side, the bottom of the driving motor is fixedly connected to one side of the base plate through a mounting plate, screw rod seats are connected to the outer side walls of the two transmission screw rods through threads, supporting seats are fixedly connected to the top of the screw rod seats, and the supporting seats are fixedly connected to the bottom of the single-side combined part of the lower die holder.

As a further description of the above technical solution:

the membrane core mechanism further comprises a connecting block fixedly connected to the periphery of the outer mould core, a clamping hole is formed in the top of the connecting block, a clamping rod is clamped in the inner cavity of the clamping hole, the bottom end of the clamping rod is connected to one side of the inner cavity of the lower mould base in an inserting mode, a filling pad is fixedly connected to the inner cavity of the lower mould base, and the top of the filling pad is fixedly connected with one side of the inner cavity of the clamping seat.

As a further description of the above technical solution:

the top of the upper die holder is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with the top of a movable piston rod part of the hydraulic cylinder, the top of the upper die holder is communicated with an injection molding pipe, and the injection molding pipe extends to the top of the top plate and is communicated with an external injection molding extruder.

As a further description of the above technical solution:

Guide posts are fixedly connected to four corners of the bottom of the upper die holder, the guide posts are fixedly connected with guide sleeves fixedly arranged on the top of the lower die holder in a sliding mode, sealing gaskets are fixedly connected between opposite faces of the combined parts on two sides of the lower die holder, and the sealing gaskets are flexible plastic mats.

As a further description of the above technical solution:

the bottom of the ejection seat is fixedly connected with a support frame, the bottom of the support frame is fixedly connected with an ejection cylinder, and the ejection cylinder is fixedly connected to the top of the base.

In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

1. According to the invention, after the upper die holder and the lower die holder are closed by the hydraulic cylinder in a bonding manner, the extrusion injection machine can be conveyed into an injection cavity between the upper die holder and the lower die holder through a pipeline, the bottom ejection cylinder can be operated to extend to drive the ejection seat to slide upwards in the cavity of the lower die holder, the ejection seat can integrally eject from the outer side edge position of an injection molding piece when moving, a plurality of jet nozzles at the top of the ejection seat can be operated to output high-pressure gas through a pressure pump, the high-pressure gas can be conveyed into the jet nozzles to the bottom bonding position of the injection molding piece through the inner air passage of the ejection seat to perform aeration ejection, ejection driving of the edge position of the injection molding piece is realized through the design of the ejection seat, non-contact demolding discharging is realized through the blowing of the high-pressure gas, the residual trace on the surface of the injection molding piece is avoided, meanwhile, the physical contact stress between the ejection seat and the injection molding piece during demolding is reduced, and the discharging treatment effect is improved.

2. According to the invention, when a plurality of jet nozzles are blown out, the electric push rod is controlled to drive the front connecting rod to pull the connecting rod to move so as to drive the baffle plate to rotate, the baffle plate can pull the shielding block connected with the bottom side inserting rod in an inserting way to move, the shielding block can slide in the ejection seat to shield the jet nozzles at the corresponding positions, and the opening and closing of the jet nozzles at the corresponding positions are controlled through the inserting of the inserting rod and the shielding block, so that the unidirectional blowing of an injection molding piece during demolding is realized by controlling the blowing of the single-side jet group, the demolding force application is conveniently carried out at different angles at the bottom side of the special-shaped piece during demolding, and the demolding efficiency is improved.

3. According to the invention, through the designed film core mechanism, the clamping rod is pulled to draw out from the clamping hole, at the moment, the outer mold core can be drawn out from the bottom filling pad and the lower mold seat through the connecting block, the outer mold core is convenient to replace, the relative shape between the outer mold core and the inner mold core during injection molding is convenient to adjust, the outer mold core arranged in a modularized mode is convenient to adjust, the injection molding shape is convenient to adjust, the driving screw is driven to rotate through the output shaft of the driving motor when the outer mold core is drawn out, the screw bases on two sides can be driven to move away from each other through the rotation of the driving screw on two sides, after the combined parts of the lower mold seats on two sides are separated, the shielding blocks at corresponding positions are connected with the blocking plate through the inserting rod, the air injection position of the air injection nozzle at the top of the ejection seat can be adjusted, the quick adjustment treatment of the air injection position is realized through the expandable lower mold seat, and the maintenance processing difficulty can be effectively reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an automobile part forming device based on a high-pressure air injection demoulding mechanism;

fig. 2 is an enlarged schematic diagram of a portion a of an automobile part forming device based on a high-pressure jet demoulding mechanism according to the present invention;

fig. 3 is a schematic structural diagram of a part of a blowing ejection mechanism of an auto part molding device based on a high-pressure jet demolding mechanism;

Fig. 4 is an enlarged schematic diagram of a part B of an automobile part forming apparatus based on a high-pressure jet demoulding mechanism according to the present invention;

Fig. 5 is a schematic diagram of a disassembly structure of a blowing ejection mechanism of an auto part molding device based on a high-pressure jet demolding mechanism;

Fig. 6 is a schematic diagram of a bottom view structure of an auto part molding device based on a high-pressure jet demolding mechanism according to the present invention;

fig. 7 is an enlarged schematic structural view of a part C of an automobile part forming device based on a high-pressure jet demoulding mechanism according to the present invention;

Fig. 8 is a schematic diagram of an explosion splitting structure of an auto part forming device based on a high-pressure jet demoulding mechanism according to the present invention;

Fig. 9 is a schematic diagram of a low view angle structure of the other side of the molding device for automobile parts based on the high-pressure jet demolding mechanism;

fig. 10 is a schematic diagram of an assembly structure of a driving mechanism of an automobile part forming device based on a high-pressure air injection demolding mechanism.

Legend description:

1. A bottom plate; 2. a driving mechanism; 201. a transmission screw rod; 202. a screw rod seat; 203. a support base; 204. a driving motor; 3. a lower die holder; 4. an upper die holder; 5. purging the ejection mechanism; 501. an ejection seat; 502. a shielding block; 503. a slip ring; 504. a first spring; 505. inserting a rod; 506. a baffle plate; 507. a slide hole; 508. a pull rod; 509. a connecting rod; 510. an electric push rod; 511. a communication hose; 512. a pressure pump; 6. a film core mechanism; 601. a connecting block; 602. a clamping rod; 603. filling a pad; 604. a clamping seat; 605. an outer mold core; 7. a guide post; 8. a hydraulic cylinder; 9. a top plate; 10. a sealing gasket; 11. a support frame; 12. an ejection cylinder; 13. an inner mold core.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-10, the present invention provides a technical solution: the automobile accessory forming equipment based on the high-pressure jet demoulding mechanism comprises a lower die holder 3 and an upper die holder 4, wherein a bottom plate 1 is arranged at the bottom of the lower die holder 3, a hydraulic cylinder 8 is fixedly arranged between the upper die holder 4 and the lower die holder 3, a top plate 9 is fixedly connected to the top of the upper die holder 4, the bottom of the top plate 9 is fixedly connected with the top of a movable piston rod part of the hydraulic cylinder 8, an injection molding pipe is communicated with the top of the upper die holder 4, the injection molding pipe extends to the top of the top plate 9 and is communicated with an external injection molding extruder, guide posts 7 are fixedly connected to four corners of the bottom of the upper die holder 4, the guide posts 7 are fixedly connected with guide sleeves fixedly arranged at the top of the lower die holder 3 in a sliding manner, a sealing gasket 10 is fixedly connected between opposite faces of combined parts at two sides of the lower die holder 3, the sealing gasket 10 is a flexible plastic pad, the lower die holder 3 comprises two oppositely arranged combined parts, the driving mechanism 2 is fixedly arranged between the bottoms of the combined parts at two sides of the lower die holder 3, the driving mechanism 2 is fixedly connected in a groove body formed in the top of the bottom plate 1, a purging ejection mechanism 5 for demolding is fixedly arranged in the inner cavity of the lower die holder 3, a film core mechanism 6 is arranged between the lower die holder 3 and the purging ejection mechanism 5, the purging ejection mechanism 5 comprises an ejection seat 501, the ejection seat 501 is slidably connected in the inner cavity of the film core mechanism 6, an inner die core 13 is fixedly arranged at the top of the ejection seat 501, the film core mechanism 6 comprises an outer die core 605, the outer die core 605 is detachably arranged in the inner cavity of the lower die holder 3, the outer die core 605 is sleeved outside the inner die core, opposite surfaces of the outer die core 605 and the inner die core 13 form a cavity, a plurality of jet nozzles are circumferentially embedded in the top of the ejection seat 501 along the axis, the bottom of the inner cavity of the ejection seat 501 is rotationally connected with a baffle plate 506, the ejector seat 501 is provided with a connecting hose, the connecting hose extends to the outside through an opening at one side of the lower die holder 3 and is communicated with a pressure pump 512 for inflation and release, and the pressure pump 512 is fixedly arranged at one side of the outer wall of the lower die holder 3.

The implementation mode specifically comprises the following steps: when injection molding is needed, and after the upper die holder 4 and the lower die holder 3 are closed by working and pulling the hydraulic cylinder 8, the extrusion injection machine can be fed into the upper die holder 4 through a pipeline, injection molding liquid fills gaps between the outer die core 605 and the inner die core 13 under the flowing action, corresponding injection molding pieces are formed through the shapes of the outer die core 605 and the inner die core 13, when demolding is needed, the bottom ejection cylinder 12 can be used for working and stretching to drive the ejection seat 501 to slide upwards in the inner cavity of the lower die holder 3, the ejection seat 501 can be integrally ejected from the outer edge position of the injection molding pieces when moving, and after the ejection part position, a plurality of jet nozzles at the top of the ejection seat 501 can be used for outputting high-pressure gas through the working of the pressure pump 512, and the high-pressure gas can be fed into the injection molding piece bottom attaching position through the inner air passage of the ejection seat 501 for aeration ejection, so that ejection driving of the edge position of the injection molding pieces is realized through the design of the ejection seat 501, and non-contact ejection is realized through the blowing of the high-pressure gas after partial driving, the ejection contact area is increased, the contact area is prevented from being narrow, so that residual traces on the surface of the injection molding pieces are caused, and the physical contact stress between the ejection seats and the injection molding pieces is improved when the ejection physical stress is reduced.

Referring to fig. 3-7, the inner cavity of the ejector seat 501 is rotatably connected with a plurality of shielding blocks 502 corresponding to the air injection nozzles, a through hole is formed on one side of each shielding block 502, a sliding ring 503 is slidably connected between the through holes of each shielding block 502, a first spring 504 is sleeved on the outer side wall of each sliding ring 503 and the corresponding position of each shielding block 502, one end of each first spring 504 is fixedly connected with one side of each shielding block 502, the other end of each first spring 504 is fixedly connected with a supporting block, the supporting blocks are fixedly connected to the corresponding positions at the tops of the corresponding baffle plates 506, one side of each baffle plate 506 close to the corresponding hose 511 is fixedly connected with a pull rod 508, the tops of the pull rods 508 are hinged with connecting rods 509 through pin shafts, the other ends of the connecting rods 509 are hinged with electric push rods 510 through pin shafts, the electric push rods 510 are fixedly connected to one side of the inner cavity of the lower die holder 3, the diameters of the inner cavity of each sliding hole 507 are equal to the diameters of the corresponding inserted rods 505, and sealing strips for sealing rotating gaps are fixedly connected to the bottoms of the baffle plates 506.

The implementation mode specifically comprises the following steps: when a plurality of jet nozzles blow out, when high-pressure gas possibly causes interference to the surface of the special-shaped injection molding piece, the front end connecting rod 509 can be driven to pull the connecting rod 509 to move through controlling the electric push rod 510, the pull rod 508 can move so that the baffle plate 506 moves, the baffle plate 506 can pull the shielding block 502 which is connected with the bottom side inserting rod 505 in an inserting mode, the shielding block 502 can slide in the ejection seat 501 to shield the jet nozzles at the corresponding positions, accordingly, the opening and closing of the jet nozzles at the corresponding positions can be controlled through the inserting of the inserting rod 505 and the shielding block 502, unidirectional blowing of the injection molding piece during demolding can be realized through controlling the blowing of the single-side jet nozzle group, demolding force application can be conveniently carried out at different angles on the bottom side of the special-shaped piece during demolding, the demolding efficiency can be improved, and an electric control assembly is not required to be additionally arranged after the air jet nozzles are closed, so that the processing use requirement is improved.

Referring to fig. 1-2, the film core mechanism 6 further includes a connection block 601 fixedly connected around the outer mold core 605, a clamping hole is formed at the top of the connection block 601, a clamping rod 602 is clamped in an inner cavity of the clamping hole, the bottom end of the clamping rod 602 is inserted and connected to one side of an inner cavity of the lower mold base 3, a filling pad 603 is fixedly connected to an inner cavity of the lower mold base 3, and the top of the filling pad 603 is fixedly connected to one side of an inner cavity of the clamping seat 604.

The implementation mode specifically comprises the following steps: can follow card downthehole to take out through pulling draw-in bar 602, can take outer mold core 605 out in this moment through connecting block 601 and bottom side filling pad 603 and die holder 3, be favorable to changing outer mold core 605 fast, the relative shape between outer mold core 605 and the inner membranous heart when conveniently adjusting the injection molding is favorable to realizing the quick regulation to the injection molding shape through the outer mold core 605 that the modularization set up to can seal through sealed pad 10 between the die holder 3 both sides combination part, be favorable to improving sealed effect.

Referring to fig. 1 and 6, the driving mechanism 2 includes two driving screws 201 and a driving motor 204, wherein adjacent ends of the driving screws 201 on two sides are rotatably connected through a rotating shaft bearing, distant ends of the driving screws 201 on two sides are rotatably connected in a groove formed in the top of the base through bearings, the driving screws 201 are opposite in thread direction, an output shaft of the driving motor 204 is fixedly connected with one end of the driving screw 201 on one side, the bottom of the driving motor 204 is fixedly connected to one side of the base plate 1 through a mounting plate, the outer side walls of the driving screws 201 on two sides are fixedly connected with a screw base 202, the top of the screw base 202 is fixedly connected with a supporting seat 203, the supporting seat 203 is fixedly connected to the bottom of a single-side combined part of the lower die holder 3, the bottom of the ejection base 501 is fixedly connected with a supporting frame 11, the bottom of the supporting frame 11 is fixedly connected with an ejection cylinder 12, and the ejection cylinder 12 is fixedly connected to the top of the base.

The implementation mode specifically comprises the following steps: when the blowing and opening of a plurality of air injection nozzles at the top of the ejection seat 501 are required to be adjusted, the driving screw rod 201 can be driven to rotate by controlling the output shaft of the driving motor 204, the driving screw rod 201 can move the screw rod seat 202 with external threads, the screw rod seat 202 can move to pull the top supporting seat 203 seat and the lower die seat 3 at the corresponding position, after the combined parts of the lower die seats 3 at the two sides are separated, the shielding block 502 pulled by the first spring 504 is shortened and driven to reset by controlling the electric push rod 510 to work, whether the shielding block 502 is limited or not can be adjusted by pulling the inserting rod 505 at the corresponding position at the bottom side of the baffle plate 506, and after the shielding block 502 at the corresponding position is connected with the baffle plate 506 through the inserting rod 505, the air injection position of the air injection nozzle at the top of the ejection seat 501 can be adjusted, and the quick adjustment treatment of the air injection position is realized through the expandable lower die seat 3.

Working principle: when in use, when injection molding is needed, and after the hydraulic cylinder 8 is operated to pull the upper die holder 4 to be attached and sealed with the lower die holder 3, the extrusion injection machine can be fed into the upper die holder 4 through a pipeline, injection molding liquid fills gaps between the outer die core 605 and the inner die core 13 under the flowing action, corresponding injection molding pieces are formed through the shapes of the outer die core 605 and the inner die core 13, when in demolding, the bottom ejection cylinder 12 can be operated to extend to drive the ejection seat 501 to slide upwards in the inner cavity of the lower die holder 3, the ejection seat 501 can be integrally ejected from the outer edge position of the injection molding piece when in movement, after the ejection part position, a plurality of jet nozzles at the top of the ejection seat 501 can be operated to output high-pressure gas through the pressure pump 512, and the high-pressure gas can be fed into the attachment position of the bottom of the injection molding piece through the inner air passage of the ejection seat 501 for aeration ejection;

When a plurality of jet nozzles blow out, high-pressure gas possibly interferes with the surface of the special-shaped injection molding piece, the electric push rod 510 is controlled to drive the front-end connecting rod 509 to pull the connecting rod 509 to move, the pull rod 508 moves to enable the baffle plate 506 to move, at the moment, the baffle plate 506 can pull the shielding block 502 which is connected with the bottom side inserting rod 505 in an inserting way to move, and the shielding block 502 moves to slide in the ejection seat 501 to shield the jet nozzles at corresponding positions, so that demolding force application is carried out at different angles on the bottom side of the special-shaped piece;

The outer mold core 605 can be pulled out from the clamping hole by pulling the clamping rod 602, the outer mold core 605 can be pulled out from the bottom side filling pad 603 and the lower mold base 3 through the connecting block 601, when purging and opening of a plurality of jet nozzles at the top of the ejection seat 501 are required to be adjusted, the transmission screw rod 201 can be driven to rotate by controlling the output shaft of the driving motor 204, the transmission screw rod 201 can move by rotating the screw rod seat 202 with external threaded connection, the screw rod seat 202 can move to pull the top supporting seat 203 and the lower mold base 3 at the corresponding position, after the combined parts of the two lower mold bases 3 are separated, the electric push rod 510 is controlled to work to shorten and drive the shielding block 502 pulled by the first spring 504 to reset, and after the shielding block 502 at the corresponding position is connected with the blocking plate 506 through the inserting rod 505, the jet position of the jet nozzles at the top of the ejection seat 501 can be adjusted.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides an auto-parts former based on high pressure jet demoulding mechanism, includes die holder (3) and upper die holder (4), die holder (3) bottom is equipped with bottom plate (1), and fixed mounting has pneumatic cylinder (8) between upper die holder (4) and die holder (3), a serial communication port, die holder (3) include two combination portions of relative setting, and fixed mounting has actuating mechanism (2) between die holder (3) both sides combination portion bottom, actuating mechanism (2) fixed connection is in the cell body of seting up at bottom plate (1) top, die holder (3) inner chamber fixed mounting has purge ejection mechanism (5) that are used for the drawing of patterns, be equipped with membrane core mechanism (6) between die holder (3) and purge ejection mechanism (5), purge ejection mechanism (5) include ejecting seat (501), ejecting seat (501) sliding connection is at membrane core mechanism (6) inner chamber, and ejecting seat (501) top fixed mounting has interior mold core (13), membrane core mechanism (6) include outer mold core (605), outer mold core (605) demountable installation is in the cell core (605), form membrane core (605) and the relative die core (605) of die holder (13).

2. The automobile accessory forming equipment based on the high-pressure air injection demolding mechanism according to claim 1, wherein a plurality of air injection nozzles are embedded in the top of the ejection seat (501) along the axis in a surrounding mode, a baffle plate (506) is rotatably connected to the bottom of an inner cavity of the ejection seat (501), a connecting hose is communicated with one side of the ejection seat (501), and penetrates through an opening on one side of the lower die holder (3) to extend to the outer side and is communicated with a pressure pump (512) for inflation and release, and the pressure pump (512) is fixedly installed on one side of the outer wall of the lower die holder (3).

3. The automobile accessory forming equipment based on the high-pressure jet demoulding mechanism according to claim 2, wherein the inner cavity of the ejection seat (501) is rotationally connected with a plurality of shielding blocks (502) corresponding to the jet nozzles, through holes are formed in one side of each shielding block (502), sliding rings (503) are slidably connected between the through holes of the plurality of shielding blocks (502), first springs (504) are sleeved on the outer side walls of the sliding rings (503) and the corresponding positions of the shielding blocks (502), one ends of the first springs (504) are fixedly connected with one side of each shielding block (502), supporting blocks are fixedly connected with the other ends of the first springs (504), the supporting blocks are fixedly connected to corresponding positions of the tops of the baffle plates (506), one side, close to a communication hose (511), of each baffle plate (506) is fixedly connected with a pull rod (508), the tops of the pull rods (508) are hinged with connecting rods (509) through pin shafts, the other ends of the connecting rods (509) are hinged with electric push rods (510) through pin shafts, and the electric push rods (510) are fixedly connected to one side of the inner cavity of the lower die holder (3).

4. The automobile accessory forming device based on the high-pressure air injection demolding mechanism according to claim 3, wherein an inserting hole is formed in the bottom side of the shielding block (502), a sliding hole (507) is formed in the corresponding position of one side of the blocking plate (506) and the bottom side of the shielding block (502), an inserting rod (505) is connected in the sliding hole (507) in a sliding mode, a second spring is fixedly connected to the outer side wall of the inserting rod (505), and two ends of the second spring are fixedly connected with the top end of the inserting rod (505) and the corresponding position of one side of the blocking plate (506) respectively and used for limiting the shielding block (502) after the inserting rod (505) is inserted into the sliding hole (507).

5. The automobile accessory molding equipment based on the high-pressure air injection demolding mechanism according to claim 4, wherein the diameter of the inner cavity of the sliding hole (507) is equal to the diameter of the inserting rod (505), and a sealing strip for sealing the rotating gap is fixedly connected to the bottom of the blocking plate (506).

6. The automobile accessory forming equipment based on the high-pressure jet demoulding mechanism according to claim 1, wherein the driving mechanism (2) comprises two transmission screw rods (201) and a driving motor (204), adjacent ends of the two side transmission screw rods (201) are rotationally connected through a rotating shaft bearing, the far ends of the two side transmission screw rods (201) are rotationally connected in a groove body formed in the top of the base through bearings, the thread directions of the transmission screw rods (201) are opposite, an output shaft of the driving motor (204) is fixedly connected with one end of one side transmission screw rod (201), the bottom of the driving motor (204) is fixedly connected to one side of the bottom plate (1) through a mounting plate, screw rod bases (202) are fixedly connected with supporting bases (203) on the tops of the screw rod bases (202), and the supporting bases (203) are fixedly connected to the bottoms of single-side combination portions of the lower die holders (3).

7. The automobile accessory forming equipment based on the high-pressure air injection demolding mechanism according to claim 1, wherein the film core mechanism (6) further comprises a connecting block (601) fixedly connected to the periphery of the outer mold core (605), a clamping hole is formed in the top of the connecting block (601), a clamping rod (602) is clamped in the cavity of the clamping hole, the bottom end of the clamping rod (602) is inserted and connected to one side of the inner cavity of the lower mold base (3), a filling pad (603) is fixedly connected to the inner cavity of the lower mold base (3), and the top of the filling pad (603) is fixedly connected to one side of the inner cavity of the clamping seat (604).

8. The automobile accessory forming equipment based on the high-pressure air injection demoulding mechanism according to claim 1, wherein a top plate (9) is fixedly connected to the top of the upper die holder (4), the bottom of the top plate (9) is fixedly connected with the top of a movable piston rod part of the hydraulic cylinder (8), an injection molding pipe is communicated with the top of the upper die holder (4), and the injection molding pipe extends to the top of the top plate (9) and is communicated with an external injection molding extruder.

9. The automobile accessory forming equipment based on the high-pressure air injection demoulding mechanism according to claim 1, wherein guide posts (7) are fixedly connected to four corners of the bottom of the upper die holder (4), the guide posts (7) are fixedly connected with guide sleeves fixedly arranged on the top of the lower die holder (3) in a sliding mode, sealing gaskets (10) are fixedly connected between opposite faces of combined parts on two sides of the lower die holder (3), and the sealing gaskets (10) are flexible plastic gaskets.

10. The automobile accessory forming equipment based on the high-pressure air injection demoulding mechanism according to claim 1, wherein a supporting frame (11) is fixedly connected to the bottom of the ejection seat (501), an ejection cylinder (12) is fixedly connected to the bottom of the supporting frame (11), and the ejection cylinder (12) is fixedly connected to the top of the base.