CN220499855U - Mould opening and closing buffer mechanism of injection mould - Google Patents

Abstract

The application discloses injection mold mould buffer gear that opens and shuts relates to mould buffer gear technical field that opens and shuts, including last mould, lower mould and bottom plate, the top outer wall of going up the mould all is provided with buffer gear, buffer gear includes first U template, one side outer wall of first U template rotates installs first rotating plate. Under the cooperation effect of first rolling plate, second telescopic link etc. can drive two first U template and also follow upward movement when upwards moving through last mould, two first U template upward movement and can drive two first rolling plates and rotate and keep away from each other, thereby two first rolling plates keep away from each other can drive two first pressing plates, two second telescopic links and two second telescopic spring compression, play the effect of buffering, go up the mould and also can not be because lose suddenly with the mutual constraint power of lower mould and rise with higher speed suddenly to operator's self safety has effectively been protected, also effectively avoided mould itself to be damaged.

Description

Mould opening and closing buffer mechanism of injection mould

Technical Field

The application relates to the technical field of mold opening and closing buffering devices, in particular to an injection mold opening and closing buffering mechanism.

Background

After injection molding, the mold is required to be opened to take out the injection molded workpiece from the mold, but in the process of opening the mold, certain force is required to be used when the mold is opened due to certain adhesive force between the mold and a product, and after the adhesive force disappears, the external force acts on the mold and is not removed, so that the mold has a larger impact force, and the mold is easy to be bumped.

Through retrieving, chinese patent grant number CN 109454838B's patent discloses an injection mold die opening and shutting buffer gear device for ice bank production, including base, lower mould, last mould, roof, connecting plate and fixed column, the top fixed connection of lower mould and base goes up the top fixed connection of mould and lower mould, and the top of base is fixed with four support columns, and the roof is located the top of last mould.

An injection mold opening and closing buffer mechanism device for ice bank production in the above patent has the following disadvantages: the buffer mechanism of the device only adopts a single spring for buffering, and the force born by the single spring for repeated use is relatively large, so that the problem of damage phenomenon is easy to occur.

Disclosure of Invention

The utility model aims to solve or at least alleviate the problem that the buffer mechanism of the device in the prior art only adopts a single spring for buffering, and the single spring is repeatedly used to bear larger force, so that the damage phenomenon is easy to occur.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold die opening and closing buffer gear, includes mould, lower mould and bottom plate, the top outer wall of going up the mould all is provided with buffer gear, buffer gear includes first U template, one side outer wall of first U template rotates installs first rotating plate, one side outer wall of first rotating plate rotates installs first pressing plate, the sliding tray has been seted up to the bottom outer wall of roof, first pressing plate slidable mounting is in the sliding tray, one side outer wall fixed mounting of first pressing plate has the second telescopic link, the second telescopic spring has been cup jointed in the second telescopic link in the slip, one end fixed mounting of second telescopic link has the fixed plate, fixed plate fixed mounting is on the bottom outer wall at top.

Optionally, the top outer wall symmetry fixed mounting of upper mould has two second U template, two the outer wall rotation of one side of second U template is installed two expansion brackets, two the inner wall fixed mounting of one side that the expansion bracket is close to each other has two reset springs.

By adopting the technical scheme, when the upper die is separated from the lower die, the upper die can move upwards, the upper die moves upwards to enable the second U-shaped plate to move upwards, the second U-shaped plate moves upwards and can press the telescopic frame, the telescopic frame compresses to stretch the reset spring, and accordingly a buffer effect can be achieved, the upper die moves upwards and can drive the two first U-shaped plates to move upwards, the two first U-shaped plates move upwards and can drive the two first rotating plates to rotate and move away from each other, the two first rotating plates move away from each other to drive the two first pressing plates to move away from each other, the two first pressing plates move away from each other through moving in the two sliding grooves, the two first pressing plates move away from each other to enable the two second telescopic rods and the two second telescopic springs to compress, the buffer effect is achieved, the upper die and the lower die can not suddenly accelerate to rise due to losing the mutual binding force, accordingly self safety of an operator is effectively protected, and the die is effectively prevented from being damaged.

Optionally, two first telescopic links are symmetrically and fixedly arranged on the outer wall of the top of the bottom plate, two first telescopic springs are sleeved on the two first telescopic links in a sliding mode, and one top plate is fixedly arranged at one end of the top of each first telescopic link.

By adopting the technical scheme, the buffer support can be realized by arranging the two first telescopic rods and the two first telescopic springs.

Optionally, the top outer wall fixed mounting of bottom plate has long template, the one side outer wall fixed mounting of long template has the backup pad.

By adopting the technical scheme, the auxiliary installation function can be achieved by arranging the supporting plate.

Optionally, a motor is fixedly installed on the outer wall of the top of the supporting plate, and the output end of the motor is fixedly connected with a bevel gear I.

Optionally, a third U-shaped plate is fixedly installed on the outer wall of one side of the upper die, a second rotating plate is rotatably installed on the outer wall of one side of the third U-shaped plate, and a second pressing plate is rotatably installed on the outer wall of one side of the second rotating plate.

Optionally, a screw is rotatably installed on the outer wall of one side of the long plate, a bevel gear II is fixedly installed at one end of the screw, and the bevel gear I is meshed with the bevel gear II.

Optionally, the threaded plate is screwed on the screw rod, a sliding plate is fixedly installed on one side outer wall of the threaded plate, a fixing groove is formed in one side outer wall of the long plate, the sliding plate is slidably installed in the fixing groove, one side outer wall of the sliding plate is fixedly installed on one side outer wall of the second pressing plate, a third telescopic rod is fixedly installed on one side outer wall of the threaded plate, a third telescopic spring is sleeved on the third telescopic rod in a sliding mode, and one end of the third telescopic rod is fixedly installed on one side outer wall of the long plate.

By adopting the technical scheme, the motor is started, the output end of the motor can drive the bevel gear I to rotate, the bevel gear II can be driven to rotate when the bevel gear I rotates, the bevel gear II rotates and can drive the screw rod to rotate, the screw rod rotates and can drive the threaded plate to move forward, the threaded plate moves forward to drive the sliding plate to move forward, the threaded plate moves forward and can also enable the third telescopic rod and the third telescopic spring to compress, the phenomenon that the sliding plate deflects is prevented, the sliding plate moves forward and moves in the fixed slot, the sliding plate moves forward and can drive the second pressing plate to move forward, the second pressing plate moves forward and can enable the second rotating plate to rotate and keep away, and the second rotating plate is kept away from and can drive the third U-shaped plate and the upper die to separate from the lower die.

In summary, the beneficial effects of the application are as follows:

1. under the cooperation of first rotating plate, second telescopic link etc. has been adopted in this application, can drive two first U template and also follow upward movement when upwards moving through last mould, two first U template upwards move and can drive two first rotating plates and rotate and keep away from each other, thereby two first rotating plates keep away from each other can drive two first pressing plates, two second telescopic links and two second telescopic spring compression, play the effect of buffering, go up the mould and also can not rise with higher speed suddenly owing to lose with lower mould mutual constraint power suddenly, thereby operator's self safety has effectively been protected, also effectively avoided mould itself to be damaged.

2. The utility model discloses an under the combined action of motor, bevel gear etc. has been adopted in this application, through the starter motor, thereby the output of motor can drive bevel gear one, bevel gear two and screw rod rotate along with, thereby the screw rod rotates can drive the spiral shell pattern board, the sliding plate is followed and is moved forward together, thereby the sliding plate is moved forward can drive the second and press the clamp plate and also move forward, the second presses the clamp plate and moves forward and can make the second pivoted plate rotate and keep away from, thereby the second pivoted plate keeps away from and can drive third U template and last mould and lower mould separation.

Drawings

FIG. 1 is a schematic overall view of the present application;

FIG. 2 is a schematic view of a first telescoping rod of the present application;

FIG. 3 is a schematic view of a first rotating plate of the present application;

fig. 4 is a schematic diagram of a motor of the present application.

Reference numerals illustrate: in the figure: 1. a bottom plate; 2. a top plate; 3. an upper die; 4. a lower die; 5. a first telescopic rod; 6. a first extension spring; 7. a first U-shaped plate; 8. a first rotating plate; 9. a first pressing plate; 10. a sliding groove; 11. a second telescopic rod; 12. a second extension spring; 13. a fixing plate; 14. a second U-shaped plate; 15. a telescopic frame; 16. a return spring; 17. a support plate; 18. a motor; 19. bevel gears I; 20. bevel gears II; 21. a screw; 22. a thread plate; 23. a long plate; 24. a third telescopic rod; 25. a third extension spring; 26. a sliding plate; 27. a fixing groove; 28. a second pressing plate; 29. a second rotating plate; 30. and a third U-shaped plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Referring to fig. 1-3, an injection mold opening and closing buffer mechanism comprises an upper mold 3, a lower mold 4, a top plate 2 and a bottom plate 1, wherein the top outer wall of the upper mold 3 is provided with the buffer mechanism, a certain buffer protection effect can be achieved on the upper mold 3 and the lower mold 4 by arranging the buffer mechanism, the buffer mechanism comprises a first U-shaped plate 7, a first rotating plate 8 is rotatably installed on one side outer wall of the first U-shaped plate 7, a first pressing plate 9 is rotatably installed on one side outer wall of the first rotating plate 8, a sliding groove 10 is formed in the bottom outer wall of the top plate 2, the first pressing plate 9 is slidably installed in the sliding groove 10, a second telescopic rod 11 is fixedly installed on one side outer wall of the first pressing plate 9, a second telescopic spring 12 is sleeved on the second telescopic rod 11 in a sliding mode, one end of the second telescopic rod 11 is fixedly installed with a fixed plate 13, two second U-shaped plates 14 are fixedly installed on the bottom outer wall of the top mold 3, two second U-shaped plates 15 are rotatably installed on one side outer wall of the second U-shaped plate 14, two frames 15 are rotatably installed on one side outer wall of the two telescopic plates 15, two frames 15 are mutually close to one another and a first telescopic spring 16 can be prevented from being shifted to the first telescopic plate 10 through the sliding groove 10.

When in use, when the upper die 3 and the lower die 4 are separated, the lower die 4 can move downwards, the lower die 4 moves downwards to enable the second U-shaped plate 14 to move downwards, the second U-shaped plate 14 moves downwards and can press the telescopic frame 15, the telescopic frame 15 compresses to stretch the reset spring 16, so that a buffer effect can be achieved, the lower die 4 moves downwards and simultaneously drives the two first U-shaped plates 7 to move downwards, the two first U-shaped plates 7 move downwards and can drive the two first rotating plates 8 to rotate and move away from each other, the two first rotating plates 8 move away from each other to drive the two first pressing plates 9 to move away from each other, the two first pressing plates 9 move away from each other through moving in the two sliding grooves 10, the two first pressing plates 9 move away from each other to enable the two second telescopic rods 11 and the two second telescopic springs 12 to compress, the upper die 3 and the lower die 4 separate from each other and also move upwards, the same principle is that the upper die 3 and the lower die 4 do not suddenly and the two first pressing plates are not damaged due to the fact that the two first pressing plates are suddenly lifted up, and the die is effectively prevented from being damaged by an operator.

Referring to fig. 1 and 2, two first telescopic rods 5 are symmetrically and fixedly installed on the outer wall of the top of the bottom plate 1, two first telescopic springs 6 are sleeved on the two first telescopic rods 5 in a sliding mode, one top plate 2 is fixedly installed at one end of the top of each first telescopic rod 5, and the two first telescopic rods 5 and the two first telescopic springs 6 can play a role in buffering and supporting.

Referring to fig. 1 and 4, a long plate 23 is fixedly installed on the top outer wall of the bottom plate 1, a supporting plate 17 is fixedly installed on one side outer wall of the long plate 23, a motor 18 is fixedly installed on the top outer wall of the supporting plate 17, a bevel gear 19 is fixedly connected to the output end of the motor 18, a third U-shaped plate 30 is fixedly installed on one side outer wall of the upper die 3, a second rotating plate 29 is rotatably installed on one side outer wall of the third U-shaped plate 30, a second pressing plate 28 is rotatably installed on one side outer wall of the second rotating plate 29, a screw 21 is rotatably installed on one side outer wall of the long plate 23, a bevel gear 20 is fixedly installed at one end of the screw 21, the bevel gear 19 is meshed with the bevel gear 20, a threaded plate 22 is screwed on the screw 21, a sliding plate 26 is fixedly installed on one side outer wall of the threaded plate 22, a fixing groove 27 is formed in one side outer wall of the long plate 23, the sliding plate 26 is slidably installed in the fixing groove 27, one side outer wall of the sliding plate 26 is fixedly installed on one side outer wall of the second pressing plate 28, a third telescopic rod 24 is fixedly installed on one side outer wall of the threaded plate 22, a third telescopic rod 24 is slidably sleeved on one side outer wall of the third telescopic rod 25, and one end of the telescopic rod 24 is fixedly installed on one side of the long plate 23. The motor 18 is started, the output end of the motor 18 can drive the bevel gear I19 to rotate, the bevel gear II 20 is driven to rotate along with the rotation of the bevel gear I19, the bevel gear II 20 is driven to rotate and drive the screw 21 to rotate, the screw 21 is driven to drive the screw plate 22 to move forwards, the screw plate 22 is driven to move forwards and drive the sliding plate 26 to move forwards, the third telescopic rod 24 and the third telescopic spring 25 are compressed when the screw plate 22 moves forwards, the phenomenon of preventing the screw plate 22 from deviating is avoided, the sliding plate 26 moves forwards and moves in the fixed groove 27, the sliding plate 26 moves forwards and drives the second pressing plate 28 to move forwards, the second pressing plate 28 moves forwards and drives the two second rotating plates 29 to rotate and move away from each other, and the two second rotating plates 29 move away from each other and drive the two third U-shaped plates 30 and the upper die 3 to be separated from the lower die 4.

The implementation principle of the application is as follows: when the upper die 3 needs to be separated, the output end of the motor 18 drives the bevel gear I19 to rotate, the bevel gear I19 drives the bevel gear II 20 to rotate while rotating, the bevel gear II 20 rotates and drives the screw 21 to rotate, the screw 21 rotates and drives the screw plate 22 to move forward, the screw plate 22 moves forward and drives the sliding plate 26 to move forward, the screw plate 22 moves forward and also compresses the third telescopic rod 24 and the third telescopic spring 25, the phenomenon of preventing the sliding plate 22 from deviating is avoided, the sliding plate 26 moves forward and moves in the fixed groove 27, the sliding plate 26 moves forward and drives the second pressing plate 28 to move forward, the second pressing plate 28 moves forward and drives the second rotating plate 29 to rotate and move away, the second rotating plate 29 moves away and drives the third U-shaped plate 30 and the upper die 3 to be separated from the lower die 4, when the upper die 3 and the lower die 4 are separated, the upper die 3 moves upwards to cause the second U-shaped plate 14 to move upwards, the second U-shaped plate 14 moves upwards and presses the telescopic frame 15, the telescopic frame 15 compresses to stretch the return spring 16, so that the buffer effect can be achieved, the upper die 3 moves upwards and simultaneously drives the two first U-shaped plates 7 to move upwards, the two first U-shaped plates 7 move upwards and drive the two first rotating plates 8 to rotate and move away from each other, the two first rotating plates 8 move away from each other to drive the two first pressing plates 9 to move away from each other, the two first pressing plates 9 move away from each other through moving in the two sliding grooves 10, the two first pressing plates 9 move away from each other to cause the two second telescopic rods 11 and the two second telescopic springs 12 to compress, the upper die 3 does not suddenly accelerate due to the sudden loss of the binding force with the lower die 4, so that the self safety of operators is effectively protected, and the damage of the die is effectively avoided.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides an injection mold die opening and closing buffer gear, includes mould (3), lower mould (4), roof (2) and bottom plate (1), its characterized in that: the top outer wall of last mould (3) all is provided with buffer gear, buffer gear includes first U template (7), one side outer wall of first U template (7) rotates installs first rotating plate (8), one side outer wall of first rotating plate (8) rotates installs first pressing board (9), sliding tray (10) have been seted up to the bottom outer wall of roof (2), first pressing board (9) slidable mounting is in sliding tray (10), one side outer wall fixed mounting of first pressing board (9) has second telescopic link (11), second telescopic spring (12) have been cup jointed in the last slip of second telescopic link (11), one end fixed mounting of second telescopic link (11) has fixed plate (13), fixed plate (13) fixed mounting is on the bottom outer wall of roof (2).

2. The injection mold opening and closing buffer mechanism according to claim 1, wherein: two second U-shaped plates (14) are symmetrically and fixedly arranged on the outer wall of the top of the upper die (3), two telescopic frames (15) are rotatably arranged on the outer wall of one side of each second U-shaped plate (14), and two reset springs (16) are fixedly arranged on the inner wall of one side, close to each other, of each telescopic frame (15).

3. The injection mold opening and closing buffer mechanism according to claim 1, wherein: two first telescopic rods (5) are symmetrically and fixedly arranged on the outer wall of the top of the bottom plate (1), two first telescopic springs (6) are sleeved on the two first telescopic rods (5) in a sliding mode, and one top plate (2) is fixedly arranged at one end of the top of each first telescopic rod (5).

4. An injection mold opening and closing buffer mechanism according to claim 3, characterized in that: the top outer wall of the bottom plate (1) is fixedly provided with a long plate (23), and one side outer wall of the long plate (23) is fixedly provided with a supporting plate (17).

5. The injection mold opening and closing buffer mechanism according to claim 4, wherein: the motor (18) is fixedly arranged on the outer wall of the top of the supporting plate (17), and the output end of the motor (18) is fixedly connected with the bevel gear I (19).

6. The injection mold opening and closing buffer mechanism according to claim 1, wherein: the outer wall of one side of the upper die (3) is fixedly provided with a third U-shaped plate (30), one side of the outer wall of the third U-shaped plate (30) is rotatably provided with a second rotating plate (29), and one side of the outer wall of the second rotating plate (29) is rotatably provided with a second pressing plate (28).

7. The injection mold opening and closing buffer mechanism according to claim 5, wherein: the outer wall of one side of the long plate (23) is rotatably provided with a screw rod (21), one end of the screw rod (21) is fixedly provided with a bevel gear II (20), and the bevel gear I (19) is meshed with the bevel gear II (20).

8. The injection mold opening and closing buffer mechanism according to claim 7, wherein: threaded plate (22) is screwed on screw rod (21), one side outer wall fixed mounting of threaded plate (22) has sliding plate (26), fixed slot (27) have been seted up to one side outer wall of elongated plate (23), sliding plate (26) slidable mounting is in fixed slot (27), one side outer wall fixed mounting of sliding plate (26) is on one side outer wall of second pressing plate (28), one side outer wall fixed mounting of threaded plate (22) has third telescopic link (24), sliding sleeve has third telescopic spring (25) on third telescopic link (24), one end fixed mounting of third telescopic link (24) is on one side outer wall of elongated plate (23).