CN212422056U

CN212422056U - Demolding mechanism for in-mold assembling injection molding device

Info

Publication number: CN212422056U
Application number: CN202020825153.0U
Authority: CN
Inventors: 孙中正
Original assignee: Suzhou Minhuang Precision Electronic Technology Co ltd
Current assignee: Suzhou Minhuang Precision Electronic Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-29
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an equipment injection moulding device's demoulding mechanism in mould relates to injection mold technical field, for solving the relatively poor problem of current demoulding mechanism drawing of patterns effect. The inside of casing is provided with the cover half, the movable mould is installed to the top of cover half, the both sides of movable mould all are provided with the movable block, the inside that the mounting groove is located casing one side is provided with first screw rod, the inside that the mounting groove is located the casing opposite side is provided with the second screw rod, the top of first screw rod and second screw rod is provided with the fixed station, drive mechanism is installed to the top of fixed station, servo motor is installed to one side of drive mechanism top, the driving gear axle is installed to servo motor's output shaft, the driven gear axle is installed to one side of driving gear axle, electric putter is installed to the lower extreme of fixed station, the one end that electric putter is located the movable mould inside is provided with the.

Description

Demolding mechanism for in-mold assembling injection molding device

Technical Field

The utility model relates to an injection mold technical field specifically is an equipment injection moulding device's demoulding mechanism in mould.

Background

The injection molding device is characterized in that plastic is firstly added into a mold, then the mold continuously rotates along two vertical shafts and is heated, the plastic in the mold is gradually and uniformly coated and fused on the whole surface of the mold cavity under the action of gravity and heat energy to be molded into a required shape, and the plastic is prepared by cooling and shaping, and when the plastic is completely cooled and solidified in the mold, a demolding mechanism is required to separate a fixed mold from a movable mold so as to take out a molded object.

However, the demoulding mechanism of the existing injection molding device is simple in structure, and an injection molding object is easily pulled in the demoulding process, so that the integral forming effect is influenced, the existing requirements are not met, and the demoulding mechanism for assembling the injection molding device in the mould is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an equipment injection moulding device's demoulding mechanism in mould to solve the relatively poor problem of demoulding mechanism drawing of patterns effect that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a demoulding mechanism of an injection moulding device assembled in a mould comprises a shell, wherein a fixed mould is arranged in the shell, a movable mould is arranged above the fixed mould, movable blocks are arranged on two sides of the movable mould, mounting grooves are arranged on two sides of the upper end of the shell, a first screw rod is arranged in the mounting groove on one side of the shell, a second screw rod is arranged in the mounting groove on the other side of the shell, the first screw rod and the second screw rod respectively penetrate through and extend to the upper parts of the movable blocks, a fixed table is arranged above the first screw rod and the second screw rod, a transmission mechanism is arranged above the fixed table, a servo motor is arranged on one side above the transmission mechanism, a driving gear shaft is arranged on an output shaft of the servo motor, the driving gear shaft is arranged in the transmission mechanism, a driven gear shaft is arranged on one side of the driving gear shaft, electric putter is installed to the lower extreme of fixed station, and electric putter installs two, and electric putter's lower extreme extends to the inside of movable mould, the one end that electric putter is located the movable mould inside is provided with the clamp plate.

Preferably, an output shaft of the servo motor is fixedly connected with the upper end of the driving gear shaft, the upper end of the driven gear shaft is rotatably connected with the transmission mechanism, and the driving gear shaft is in transmission connection with the driven gear shaft through a transmission belt.

Preferably, the inside of mounting groove all installs the bearing frame, and first screw rod and second screw rod pass through the bearing frame respectively with the mounting groove and rotate and be connected, the movable block respectively with first screw rod and second screw rod looks adaptation, the upper end and the driving gear axle fixed connection of first screw rod, the upper end and the driven gear axle fixed connection of second screw rod.

Preferably, through holes are formed in two sides of the upper end of the movable die, one end of the electric push rod is fixed to the fixed platform through bolts, and the lower end of the electric push rod penetrates through the through holes to be fixedly connected with the pressing plate.

Preferably, the electric push rod is connected with the upper end of the movable die in a sliding mode, and the pressing plate is connected with the inner wall of the movable die in a sliding mode.

Preferably, the bottom of movable mould is provided with spacing post, and spacing post is provided with a plurality of, spacing post passes through the draw-in groove with the cover half and is connected.

Preferably, a sprue channel is arranged at the middle position of the upper end of the movable mold and extends to the inside of the fixed mold.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install first screw rod and second screw rod respectively in the both sides of casing upper end, when drawing of patterns to the movable mould, start servo motor, servo motor drives the inside driving gear axle of drive mechanism and rotates, it rotates to drive driven gear axle under the transmission of drive belt, because the first screw rod of drive mechanism lower extreme, the second screw rod respectively with driving gear axle and driven gear axle fixed connection, consequently under servo motor's drive, first screw rod and the synchronous rotation of second screw rod, and the movable block at movable mould both ends passes through the screw thread with the screw rod and rotates and be connected, the frictional force of production turns into linear motion with rotary motion, make the movable block drive movable mould rebound, thereby realize the drawing of patterns.

2. The utility model discloses an internally mounted at the movable mould has the clamp plate, sliding connection between clamp plate and the movable mould, because the upper end of clamp plate and two electric putter's lower extreme fixed connection, and two electric putter pass through-hole sliding connection with the movable mould, the in-process of movable mould lifting is driven at the movable mould piece, electric putter keeps motionless, make the clamp plate fix the surface of injection molding, avoid at the in-process of movable mould lifting, produce great tearing to the injection molding top, after the movable mould separates from the edge completely with the injection molding, start electric putter, make the electric putter lifting, separate with the upper end of injection molding gradually, mutually support through movable mould piece and clamp plate, divide whole demoulding structure into two steps and go on, effectually protect the whole form of injection molding.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the movable mold of the present invention;

fig. 3 is a schematic view of the internal structure of the transmission mechanism of the present invention.

In the figure: 1. a housing; 2. fixing a mold; 3. moving the mold; 4. a fixed table; 5. a servo motor; 6. a first screw; 7. a second screw; 8. a movable block; 9. mounting grooves; 10. a bearing seat; 11. a sprue runner; 12. an electric push rod; 13. a transmission mechanism; 14. pressing a plate; 15. a through hole; 16. a limiting column; 17. a driving gear shaft; 18. a driven gear shaft; 19. a transmission belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a demoulding mechanism of an injection moulding device assembled in a mould comprises a shell 1, a fixed mould 2 is arranged in the shell 1, a movable mould 3 is arranged above the fixed mould 2, movable blocks 8 are arranged on two sides of the movable mould 3, mounting grooves 9 are arranged on two sides of the upper end of the shell 1, a first screw 6 is arranged in one side of the shell 1 of the mounting groove 9, a second screw 7 is arranged in the other side of the shell 1 of the mounting groove 9, the first screw 6 and the second screw 7 respectively penetrate through and extend to the upper side of the movable blocks 8, a fixed table 4 is arranged above the first screw 6 and the second screw 7, a transmission mechanism 13 is arranged above the fixed table 4, a servo motor 5 is arranged on one side above the transmission mechanism 13, a driving gear shaft 17 is arranged on an output shaft of the servo motor 5, the driving gear shaft 17 is arranged in the transmission mechanism 13, a driven gear shaft 18 is arranged on one side of the driving, electric push rods 12 are installed at the lower end of the fixed table 4, two electric push rods 12 are installed, the lower end of each electric push rod 12 extends into the movable mold 3, and a pressing plate 14 is arranged at one end, located inside the movable mold 3, of each electric push rod 12.

Further, the output shaft of the servo motor 5 is fixedly connected with the upper end of the driving gear shaft 17, the upper end of the driven gear shaft 18 is rotatably connected with the transmission mechanism 13, the driving gear shaft 17 is in transmission connection with the driven gear shaft 18 through a transmission belt 19, the servo motor 5 drives the driving gear shaft 17 inside the transmission mechanism 13 to rotate, the driven gear shaft 18 is driven to rotate under the transmission of the transmission belt 19, and the first screw 6 and the second screw 7 at the lower end of the transmission mechanism 13 are respectively fixedly connected with the driving gear shaft 17 and the driven gear shaft 18, so that the first screw 6 and the second screw 7 synchronously rotate under the driving of the servo motor 5.

Further, bearing frame 10 is all installed to the inside of mounting groove 9, and first screw rod 6 and second screw rod 7 pass through bearing frame 10 rotation with mounting groove 9 respectively and are connected, movable block 8 respectively with first screw rod 6 and second screw rod 7 looks adaptation, the upper end and the driving gear shaft 17 fixed connection of first screw rod 6, the upper end and the driven gear shaft 18 fixed connection of second screw rod 7, the movable block 8 and the screw rod at movable mould 3 both ends pass through the screw thread and rotate and be connected, the frictional force of production turns into rectilinear motion with rotary motion, make movable block 8 drive movable mould 3 upwards remove, thereby realize the drawing of patterns.

Furthermore, both sides of the upper end of the movable mold 3 are provided with through holes 15, one end of an electric push rod 12 is fixed with the fixed table 4 through bolts, the lower end of the electric push rod 12 penetrates through the through holes 15 to be fixedly connected with a pressing plate 14, the electric push rod 12 enables the pressing plate 14 to be lifted and gradually separated from the upper end of an injection molding part, the whole demolding structure is divided into two steps to be carried out through the mutual matching of a movable block 8 and the pressing plate 14, and the whole shape of the injection molding part is effectively protected.

Further, electric putter 12 and the upper end sliding connection of movable mould 3, the inner wall sliding connection of clamp plate 14 and movable mould 3 drive the in-process of movable mould 3 lifting at movable block 8, and electric putter 12 remains motionless, makes clamp plate 14 fix the surface of injection molding, avoids at the in-process of movable mould 3 lifting, produces great the tearing to injection molding top.

Further, the bottom of movable mould 3 is provided with spacing post 16, and spacing post 16 is provided with a plurality of, and spacing post 16 passes through the draw-in groove with cover half 2 to be connected, and spacing post 16 can be fixed a position between movable mould 3 and the cover half 2, avoids taking place to remove.

Further, a sprue channel 11 is arranged at the middle position of the upper end of the movable mold 3, the sprue channel 11 extends into the fixed mold 2, and injection molding is carried out through the sprue channel 11 in the mold.

The working principle is as follows: when the injection molding machine is used, the servo motor 5 is started, the servo motor 5 drives the driving gear shaft 17 inside the transmission mechanism 13 to rotate, the driven gear shaft 18 is driven to rotate under the transmission of the transmission belt 19, the first screw 6 and the second screw 7 at the lower end of the transmission mechanism 13 are respectively and fixedly connected with the driving gear shaft 17 and the driven gear shaft 18, so that the first screw 6 and the second screw 7 synchronously rotate under the driving of the servo motor 5, the movable blocks 8 at the two ends of the movable mold 3 are in threaded rotating connection with the screws, the generated friction force converts the rotary motion into linear motion, the movable blocks 8 drive the movable mold 3 to move upwards, so as to realize demolding, the electric push rod 12 keeps motionless in the process that the movable blocks 8 drive the movable mold 3 to lift, the pressing plate 14 fixes the surface of an injection molding piece, and avoids great tearing above the injection molding piece in the process that the movable mold 3 lifts, after the movable die 3 is completely separated from the injection molding part from the edge, the electric push rod 12 is started, the electric push rod 12 is lifted and gradually separated from the upper end of the injection molding part, the whole demolding structure is divided into two steps through the mutual matching of the movable block 8 and the pressing plate 14, and the whole shape of the injection molding part is effectively protected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a demoulding mechanism of equipment injection moulding device in mould, includes casing (1), its characterized in that: the improved structure of the motor is characterized in that a fixed die (2) is arranged in the shell (1), a movable die (3) is installed above the fixed die (2), movable blocks (8) are arranged on two sides of the movable die (3), mounting grooves (9) are arranged on two sides of the upper end of the shell (1), a first screw (6) is arranged in one side of the shell (1) of the mounting grooves (9), a second screw (7) is arranged in the other side of the shell (1) of the mounting grooves (9), the first screw (6) and the second screw (7) penetrate through and extend to the upper side of the movable blocks (8) respectively, a fixed table (4) is arranged above the first screw (6) and the second screw (7), a transmission mechanism (13) is installed above the fixed table (4), a servo motor (5) is installed on one side above the transmission mechanism (13), and a driving gear shaft (17) is installed on an output shaft of the servo motor (5), and driving gear axle (17) are located the inside of drive mechanism (13), driven gear axle (18) are installed to one side of driving gear axle (17), electric putter (12) are installed to the lower extreme of fixed station (4), and two are installed in electric putter (12), and the lower extreme of electric putter (12) extends to the inside of movable mould (3), the one end that electric putter (12) are located movable mould (3) inside is provided with clamp plate (14).

2. The mold release mechanism of an in-mold assembled injection molding apparatus according to claim 1, characterized in that: the output shaft of the servo motor (5) is fixedly connected with the upper end of the driving gear shaft (17), the upper end of the driven gear shaft (18) is rotatably connected with the transmission mechanism (13), and the driving gear shaft (17) is in transmission connection with the driven gear shaft (18) through a transmission belt (19).

3. The mold release mechanism of an in-mold assembled injection molding apparatus according to claim 1, characterized in that: bearing frame (10) are all installed to the inside of mounting groove (9), and first screw rod (6) and second screw rod (7) rotate through bearing frame (10) with mounting groove (9) respectively and are connected, movable block (8) respectively with first screw rod (6) and second screw rod (7) looks adaptation, the upper end and driving gear axle (17) fixed connection of first screw rod (6), the upper end and driven gear axle (18) fixed connection of second screw rod (7).

4. The mold release mechanism of an in-mold assembled injection molding apparatus according to claim 1, characterized in that: through holes (15) are formed in two sides of the upper end of the movable die (3), one end of the electric push rod (12) is fixed with the fixed platform (4) through bolts, and the lower end of the electric push rod (12) penetrates through the through holes (15) to be fixedly connected with the pressing plate (14).

5. The mold release mechanism of an in-mold assembled injection molding apparatus according to claim 1, characterized in that: the electric push rod (12) is connected with the upper end of the movable die (3) in a sliding mode, and the pressing plate (14) is connected with the inner wall of the movable die (3) in a sliding mode.

6. The mold release mechanism of an in-mold assembled injection molding apparatus according to claim 1, characterized in that: the bottom of movable mould (3) is provided with spacing post (16), and spacing post (16) are provided with a plurality of, spacing post (16) are connected through the draw-in groove with cover half (2).

7. The mold release mechanism of an in-mold assembled injection molding apparatus according to claim 1, characterized in that: and a sprue channel (11) is arranged in the middle of the upper end of the movable mold (3), and the sprue channel (11) extends into the fixed mold (2).