CN215283032U - Lower ejection mold opening mechanism of injection molding machine - Google Patents

Lower ejection mold opening mechanism of injection molding machine Download PDF

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Publication number
CN215283032U
CN215283032U CN202120443940.3U CN202120443940U CN215283032U CN 215283032 U CN215283032 U CN 215283032U CN 202120443940 U CN202120443940 U CN 202120443940U CN 215283032 U CN215283032 U CN 215283032U
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turning
lifting
upper die
injection molding
die
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王其成
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Abstract

A lower ejection die opening mechanism of an injection molding machine relates to the technical field of plastic injection molding machinery, in particular to a lower ejection die opening mechanism of an injection molding machine, which opens a die in a lower ejection mode after injection molding processing is finished. The side-turn mechanism comprises a base bedplate, a lower jacking device, a side-turn upper die device and a side-turn module, wherein the lower jacking device is arranged at the lower parts of two sides of the base bedplate, the side-turn upper die device is arranged above the rear parts of two sides of the base bedplate, the working position of the side-turn die is positioned between the lower jacking device on the base bedplate and the side-turn upper die device, the side-turn upper die of the side-turn die is convexly extended from the bottom part of the base bedplate by utilizing the lower jacking device, and the side-turn upper die device is used for turning on the side of the side-turn upper die in the lifting process, so that the lower die and the side-turn upper die of the side-turn die are stopped when the lower die and the side-turn upper die are positioned in a splayed opening conforming to human engineering. Because the lower jacking device and the side-turn upper die device are utilized to form a product and open the side-turn upper die, the upper die is in a static state with a high front part and a low back part, and the working condition that the two hands of an operator incline forwards from top to bottom when working is met.

Description

Lower ejection mold opening mechanism of injection molding machine
Technical Field
The utility model belongs to the technical field of plastic injection moulding machine tool technique and specifically relates to indicate a back is accomplished in injection moulding, backs down die opening mechanism under the injection molding machine of the mode die sinking of following top.
Background
With the progress of science and technology, various plastic products are widely applied to our work and life. Such as automobile baffles, large plastic toys, garbage cans, plastic pillows and the like, and the industrial products are processed by an injection molding machine. When the injection molding machine is used for processing, granular plastic particles are melted at high temperature and are input into a mold cavity formed by surrounding an upper mold and a lower mold to be molded. As shown in fig. 1, when the movable upper seat 1 moves down to the top of the upper mold M1 along the guide post 2, the injection molding machine melts the granular plastic particles into liquid state at high temperature and inputs the liquid state into the mold cavity surrounded by the upper mold M1 and the lower mold M2, after the injection molding is completed, in order to take out the molded product in the mold cavity of the upper mold M1 and the lower mold M2, the upper mold M1 and the lower mold M2 move to the region C of the machine from the region B of the machine under the action of external force, and the other group of upper mold M1 and lower mold M2 to be injected move to the region B of the machine from the region a of the machine and circulate in sequence; the upper mold M1 located in the area C of the machine table is lifted horizontally by an external force, and when the upper mold M1 reaches a certain position, the operator takes out the product in the cavity of the lower mold M2 by a tool or a hand. Because the bottom of the upper die M1 is parallel to the top of the lower die M2, and the hands of the operator are inclined forward from top to bottom during working, the working condition is careless, and safety accidents are easily caused.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art's weak point, and provide a mechanism is opened to ejecting under injection molding machine.
The utility model discloses a realize through following technical scheme: the lower ejection die opening mechanism of the injection molding machine comprises a machine base platen, a lower ejection device, a side-turning upper die device and a side-turning module, wherein the lower ejection device is arranged at the lower parts of two sides of the machine base platen, the side-turning upper die device is arranged above the rear parts of two sides of the machine base platen, the working position of the side-turning die is positioned between the lower ejection device on the machine base platen and the side-turning upper die device, the side-turning upper die of the side-turning die is convexly extended from the bottom part of the machine base platen by using the lower ejection device and is lifted, and the side-turning upper die device is used for the side-turning upper die to stop when the lower die and the side-turning upper die of the side-turning die are positioned in a splayed opening conforming to ergonomics.
The lower jacking device consists of lifting guide rods, lifting racks, lifting rods, lifting gears, a lifting bottom plate, a panel and supporting legs, wherein one ends of a pair of lifting guide rods positioned on two sides of the panel are symmetrically fixed below two sides of the lifting rods, the other ends of the pair of lifting guide rods penetrate through guide holes in the panel and are fixedly connected with four corners of the lifting bottom plate below the panel, the middle parts of the positions where the lifting guide rods are fixedly connected with the lifting racks in the same direction as the lifting guide rods, a connecting block is arranged at the position, close to the bottoms of the lifting racks, of the lifting bottom plate, and the connecting block is fixedly connected with the bottoms of the lifting racks; the lifting gears arranged on the panel through the bearing seats are meshed with the lifting racks, and the lifting gears on the two sides of the panel are synchronously driven to rotate through the lifting gear shafts in the bearing seats; grooves are symmetrically arranged on two sides of the top of the lifting rod; the panel is positioned at the lower part of the base plate, and the lifting rack just enables the lifting rod to protrude from the through groove of the base side plate fixedly connected with one side of the base plate in the lifting process; one end of each supporting leg is fixed at the bottom of the panel, and the other end of each supporting leg is supported on the ground.
The grooves at the top of the lifting rod are plural.
And an ejection rod which plays a supporting role after the lifting rod descends in place is fixedly arranged on the panel below the lifting rod.
The mould device of turning on one's side be located the rear of ejecting device intermediate position down, constitute by the support of turning on one's side, regulating plate and the depression bar of turning on one's side, the support of turning on one's side that the symmetry set up is vertical fixes on the frame, the regulating plate vertical fixation is on the support of turning on one's side, the depression bar of turning on one's side perpendicular to support of turning on one's side and its both ends set up in the through-hole of regulating plate, the depression bar of turning on one's side on the symmetry set firmly the gyro wheel, the gyro wheel middle part is equipped with the recess.
The horizontal direction of regulating plate be equipped with rectangular shape logical groove.
The side-turning support is provided with an upper row of adjusting holes and a lower row of adjusting holes.
The side-turning mold consists of a side-turning upper mold and a lower mold, the working position of the side-turning mold is positioned between a lower jacking device and the side-turning upper mold device on the base plate, the lower mold is a conventional mold, a pair of support rods is symmetrically fixed on two sides of the side-turning upper mold buckled on the lower mold, and the width of the side-turning upper mold and the length of the pair of support rods on two sides of the side-turning upper mold are greater than the width of two outer sides of the lifting rods on two sides of the panel; a pair of side turning rods is fixed on one side of the side turning upper die facing the side turning upper die device, and the length of the tail ends of the side turning rods is longer than the central axis of the side turning pressure rods transversely arranged on the side turning upper die device.
The radius of the supporting rod is smaller than that of the groove at the top of the lifting rod.
The utility model discloses owing to utilize down the top device and turn on one's side the mould device at the product shaping and open the mould back of turning on one's side for go up the low quiescent condition in high back before the mould is, the both hands that have satisfied the operator are from top to bottom the job situation that slopes forward at the during operation, accord with ergonomic's operation gesture, and fundamentally has stopped the emergence of incident.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a conventional technique;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a perspective view of another perspective of the present invention;
FIG. 4 is an enlarged fragmentary view of FIG. 2;
FIG. 5 is an enlarged fragmentary view of FIG. 3;
FIG. 6 is a perspective view of the lower jacking device with the base deck removed;
FIG. 7 is a front view of the lower ram with the base platen removed;
fig. 8 is a top view of the underlift apparatus with the base platen removed.
The specific implementation mode is as follows:
referring to the attached drawings 2-8, the lower ejection die opening mechanism of the injection molding machine comprises a machine base platen 3, a lower ejection device 4, a side-turning upper die device 5 and a side-turning die 6, wherein the lower ejection device 4 is arranged at the lower part of two sides of the machine base platen 3, the side-turning upper die device 5 is arranged above the rear part of two sides of the machine base platen 3, the working position of the side-turning die 6 is positioned between the lower ejection device 4 on the machine base platen 3 and the side-turning upper die device 5, the side-turning upper die 61 of the side-turning die 6 is convexly extended from the bottom of the machine base platen 3 by the lower ejection device 4 and is lifted up, and the side-turning upper die device 5 turns the side-turning upper die 61, so that the lower die 62 and the side-turning upper die 61 of the side-turning die 6 are stopped when being in a splayed opening conforming to human engineering.
The lower jacking device 4 comprises lifting guide rods 41, lifting racks 42, lifting rods 43, lifting gears 44, a lifting bottom plate 45, a panel 46 and supporting legs 47, wherein one ends of a pair of lifting guide rods 41 positioned on two sides of the panel 46 are symmetrically fixed below two sides of the lifting rods 43, the other ends of the pair of lifting guide rods 41 penetrate through guide holes in the panel 46 and are fixedly connected with four corners of the lifting bottom plate 45 below the panel 46, the lifting racks 42 in the same direction as the lifting guide rods 41 are fixedly connected to the middle of the positions where the lifting guide rods 41 and the lifting rods 43 are fixedly connected, a connecting block 451 is arranged on the position, close to the bottom of the lifting rack 42, of the lifting bottom plate 45, and the connecting block 451 is fixedly connected with the bottom of the lifting rack 42; the lifting gear 44 arranged on the panel 46 through the bearing seat is meshed with the lifting rack 42, and the lifting gears 44 on the two sides of the panel 46 are synchronously driven to rotate through a lifting gear shaft 441 in the bearing seat; grooves 431 are symmetrically arranged on two sides of the top of the lifting rod 43; the panel 46 is positioned at the lower part of the machine base bedplate 3, and the lifting rack 42 just enables the lifting rod 43 to protrude from the through groove 311 of the machine base side plate 31 fixedly connected at one side of the machine base bedplate 3 in the lifting process; the supporting feet 47 are fixed at one end to the bottom of the panel 46 and at the other end to the ground.
The plurality of grooves 431 are formed on the top of the lifting rod 43.
An ejection rod 461 for supporting when the lifting rod 43 descends to a certain position is fixedly arranged on the panel 46 below the lifting rod 43.
The mould device 5 of turning on one's side be located the rear of 4 intermediate positions of top device down, constitute by the support 51, the regulating plate 52 of turning on one's side and the depression bar 53 of turning on one's side, the support 51 of turning on one's side that the symmetry set up is vertical to be fixed on frame 3, regulating plate 52 vertical fixation is on the support 51 of turning on one's side, the depression bar 53 of turning on one's side perpendicular to turns on support 51 of turning on one's side, and its both ends set up in the through-hole of regulating plate 52, the depression bar 53 of turning on one's side on the symmetry set firmly gyro wheel 531, gyro wheel 531 middle part is equipped with the recess.
The adjusting plate 52 is provided with a strip-shaped through groove 521 in the horizontal direction.
The side-turning support 51 is provided with an upper row of adjusting holes 511 and a lower row of adjusting holes 511.
The side-turning die 6 consists of a side-turning upper die 61 and a lower die 62, the working position of the side-turning die 6 is positioned between the lower jacking device 4 and the side-turning upper die device 5 on the base plate 3, the lower die 62 is a conventional die, a pair of support rods 611 is symmetrically fixed on two sides of the side-turning upper die 61 buckled on the lower die 62, and the width of the side-turning upper die 61 plus the length of the pair of support rods 611 on the two sides of the side-turning upper die 61 is greater than the width of two outer sides of the lifting rods 43 on the two sides of the panel 46; a pair of side-turning rods 612 is fixed on one side of the side-turning upper die 61 facing the side-turning upper die device 5, and the length of the tail ends of the side-turning rods 612 is longer than the central axis of the side-turning pressure rods 53 transversely arranged on the side-turning upper die device 5.
The radius of the support bar 611 is smaller than the radius of the groove 431 at the top of the lifting bar 43.
When the utility model is used, granular plastic particles are melted by high temperature and input into a mold cavity surrounded by the side-turning upper mold 61 and the lower mold 62 in a liquid state, after the injection molding is finished, in order to take out a product formed in the mold cavity of the side-turning upper mold 61 and the lower mold 62, the side-turning upper mold 61 and the lower mold 62 move to a C area of a machine table from the B area of the machine table under the action of external force, namely, between the lower jacking device 4 and the side-turning upper mold device 5 which are positioned on the machine table plate 3; the lifting gear shaft 441 of the lower jacking device 4 is driven by external force, the lifting gear shaft 441 enables the lifting gear 44 to rotate, the lifting rack 42 meshed with the lifting gear is driven to ascend, the lifting rack 42 drives the lifting rod 43 and the lifting guide rod 41 fixed with the lifting rack to ascend, and the lifting rack 42 drives the lifting bottom plate 45 to ascend through the connecting block 451 fixedly connected with the lifting rack 42; when the lifting rod 43 rises to a certain height, because the width of the side-turning upper die 61 plus the length of the pair of supporting rods 611 on the two sides of the side-turning upper die 61 is greater than the width of the two outer sides of the lifting rod 43 on the two sides of the panel 46, the pair of supporting rods 611 on the two sides of the side-turning upper die 61 fall into the groove 431 on the top of the lifting rod 43, the side-turning rod 612 of the side-turning upper die 61 facing the side-turning upper die device 5 is longer than the central axis of the side-turning pressing rod 53 transversely arranged on the side-turning upper die device 5 because the length of the tail end of the side-turning rod is longer than the central axis of the side-turning pressing rod 53 transversely arranged on the side-turning upper die device 5, the side of the side-turning upper die 61 close to the side-turning upper die device 5 is pressed, the side of the side-turning upper die 61 is clockwise rotated in the groove 431 on the top of the lifting rod 43 because the radius of the supporting rod 611 is smaller than the radius of the groove 431 on the top of the lifting rod 43, when the side-turning upper die 61 rotates to the position, the upper side-tipping die 61 cannot slide out of the groove 431 at the top of the lifting rod 43.
When the length, width and thickness of the rollover die 6 are changed, the adjustment can be completed by adjusting the fixing position between the horizontal through groove 521 of the adjusting plate 52 and the rollover bracket 51 and the row adjusting holes 511 of the adjusting plate 52 and the rollover bracket 51.

Claims (9)

1. Ejecting die opening mechanism under injection molding machine comprises frame platen, lower top device, the last mould device of turning on one's side and the mould that turns on one's side, its characterized in that: the lower jacking devices are arranged at the lower parts of two sides of the base bedplate, the side-turning upper die devices are arranged above the rear parts of two sides of the base bedplate, the working positions of the side-turning dies are positioned between the lower jacking devices on the base bedplate and the side-turning upper die devices, the side-turning upper dies of the side-turning dies protrude from the bottom of the base bedplate by utilizing the lower jacking devices, and the side-turning upper die devices turn on the side-turning upper dies in the lifting process, so that the lower dies and the side-turning upper dies of the side-turning dies are stopped when the lower dies and the side-turning upper dies are positioned in the splayed openings conforming to ergonomics.
2. The lower ejection die opening mechanism of an injection molding machine according to claim 1, characterized in that: the lower jacking device consists of lifting guide rods, lifting racks, lifting rods, lifting gears, a lifting bottom plate, a panel and supporting legs, wherein one ends of a pair of lifting guide rods positioned on two sides of the panel are symmetrically fixed below two sides of the lifting rods, the other ends of the pair of lifting guide rods penetrate through guide holes in the panel and are fixedly connected with four corners of the lifting bottom plate below the panel, the middle parts of the positions where the lifting guide rods are fixedly connected with the lifting racks in the same direction as the lifting guide rods, a connecting block is arranged at the position, close to the bottoms of the lifting racks, of the lifting bottom plate, and the connecting block is fixedly connected with the bottoms of the lifting racks; the lifting gears arranged on the panel through the bearing seats are meshed with the lifting racks, and the lifting gears on the two sides of the panel are synchronously driven to rotate through the lifting gear shafts in the bearing seats; grooves are symmetrically arranged on two sides of the top of the lifting rod; the panel is positioned at the lower part of the base plate, and the lifting rack just enables the lifting rod to protrude from the through groove of the base side plate fixedly connected with one side of the base plate in the lifting process; one end of each supporting leg is fixed at the bottom of the panel, and the other end of each supporting leg is supported on the ground.
3. The lower ejection die opening mechanism of an injection molding machine according to claim 1, characterized in that: the mould device of turning on one's side be located the rear of ejecting device intermediate position down, constitute by the support of turning on one's side, regulating plate and the depression bar of turning on one's side, the support of turning on one's side that the symmetry set up is vertical fixes on the frame, the regulating plate vertical fixation is on the support of turning on one's side, the depression bar of turning on one's side perpendicular to support of turning on one's side and its both ends set up in the through-hole of regulating plate, the depression bar of turning on one's side on the symmetry set firmly the gyro wheel, the gyro wheel middle part is equipped with the recess.
4. The lower ejection die opening mechanism of an injection molding machine according to claim 1, characterized in that: the side-turning mold consists of a side-turning upper mold and a lower mold, the working position of the side-turning mold is positioned between a lower jacking device and the side-turning upper mold device on the base plate, the lower mold is a conventional mold, a pair of support rods is symmetrically fixed on two sides of the side-turning upper mold buckled on the lower mold, and the width of the side-turning upper mold and the length of the pair of support rods on two sides of the side-turning upper mold are greater than the width of two outer sides of the lifting rods on two sides of the panel; a pair of side turning rods is fixed on one side of the side turning upper die facing the side turning upper die device, and the length of the tail ends of the side turning rods is longer than the central axis of the side turning pressure rods transversely arranged on the side turning upper die device.
5. The lower ejection die opening mechanism of an injection molding machine according to claim 2, characterized in that: the grooves at the top of the lifting rod are plural.
6. The lower ejection die opening mechanism of an injection molding machine according to claim 2, characterized in that: and an ejection rod which plays a supporting role after the lifting rod descends in place is fixedly arranged on the panel below the lifting rod.
7. The lower ejection die opening mechanism of an injection molding machine according to claim 3, characterized in that: the horizontal direction of regulating plate be equipped with rectangular shape logical groove.
8. The lower ejection die opening mechanism of an injection molding machine according to claim 3, characterized in that: the side-turning support is provided with an upper row of adjusting holes and a lower row of adjusting holes.
9. The lower ejection die opening mechanism of an injection molding machine according to claim 4, wherein: the radius of the supporting rod is smaller than that of the groove at the top of the lifting rod.
CN202120443940.3U 2021-03-02 2021-03-02 Lower ejection mold opening mechanism of injection molding machine Active CN215283032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120443940.3U CN215283032U (en) 2021-03-02 2021-03-02 Lower ejection mold opening mechanism of injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120443940.3U CN215283032U (en) 2021-03-02 2021-03-02 Lower ejection mold opening mechanism of injection molding machine

Publications (1)

Publication Number Publication Date
CN215283032U true CN215283032U (en) 2021-12-24

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CN202120443940.3U Active CN215283032U (en) 2021-03-02 2021-03-02 Lower ejection mold opening mechanism of injection molding machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118107127A (en) * 2024-04-28 2024-05-31 泉州展益模具有限公司 Shoe processing mold device and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118107127A (en) * 2024-04-28 2024-05-31 泉州展益模具有限公司 Shoe processing mold device and use method thereof

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