CN215392177U

CN215392177U - Ejector mechanism for composite stamping die of projector heat dissipation frame

Info

Publication number: CN215392177U
Application number: CN202121705121.8U
Authority: CN
Inventors: 江潮
Original assignee: KUNSHAN HUAKUI MACHINERY ELECTRONIC CO Ltd
Current assignee: KUNSHAN HUAKUI MACHINERY ELECTRONIC CO Ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-04
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses an ejection mechanism for a composite stamping die of a projector heat dissipation frame, which comprises a frame body, wherein two sides of the inner wall of the frame body are respectively hinged with a second air cylinder, a piston rod of the second air cylinder is fixedly connected with an inclined push plate, one side of the inclined push plate is provided with a roller groove, the inner side wall of the roller groove is uniformly and fixedly inserted with a roller shaft, and the outer side of the roller shaft is rotatably connected with a roller wheel. The maintenance frequency is reduced, and the production cost is reduced.

Description

Ejector mechanism for composite stamping die of projector heat dissipation frame

Technical Field

The utility model relates to the technical field of stamping equipment, in particular to an ejection mechanism for a composite stamping die of a projector heat dissipation frame.

Background

The punching production is mainly specific to plates, the processes of blanking, punching, forming and the like can be performed through a punching die, and the ejection mechanism is widely applied to various fields, for example, a switch socket used by people, a cup, a cupboard, a dish and a punch press can be used for producing through the die, when the existing punch press is produced, an ejector rod is mostly used for directly ejecting a punching part, because the head of the ejector rod is frequently contacted with the punching part, the head of the ejector rod is easily abraded and deformed, the ejector rod needs to be frequently maintained and replaced in the production, and therefore the ejection mechanism for the composite punching die of the heat dissipation frame of the projector is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ejection mechanism for a composite stamping die of a projector heat dissipation frame, which aims to solve the problems that when an ejector rod ejects a stamped part, the head part is worn and deformed, and the ejector rod needs to be frequently maintained and replaced in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an ejection mechanism for a composite stamping die of a projector heat dissipation frame comprises a frame body, wherein two sides of the inner wall of the frame body are respectively hinged with a second cylinder, a piston rod of the second cylinder is fixedly connected with an inclined push plate, one side of the inclined push plate is provided with a roller groove, a roller shaft is uniformly and fixedly inserted into the inner side wall of the roller groove, the outer side of the roller shaft is rotatably connected with a roller, a second support frame is arranged between the two inclined push plates, the bottom of the inner wall of the second support frame is fixedly connected with a first cylinder, a second top plate movably penetrating through the top of the second support frame is fixed at the piston rod end of the first cylinder, a first support frame is fixedly connected at the top of the second support frame, a second guide groove is uniformly arranged in the first support frame, a second fixed block is arranged at the top of the second guide groove, and a first top plate is slidably connected at the inner side of the second fixed block, the utility model discloses a pneumatic conveying device, including first roof, second guide way, first roof inner wall top fixedly connected with ejector pin, second guide way inner wall bottom is equipped with the switch, the output electric connection of switch is in the input of first cylinder, be connected with the spring between the inner wall bottom of first roof and the bottom surface of second guide way.

As further preferable in the present technical solution: and a third guide groove is formed in the middle of the first support frame, and the outer side of the second top plate is connected to the inner wall of the third guide groove in a sliding manner.

As further preferable in the present technical solution: the top of the inner wall of the frame body is fixedly connected with an ejection support, one side of the ejection support is provided with a first guide groove, two sides of the first support are slidably connected to the inner wall of the first guide groove, a first fixing block is arranged at the top of the ejection support, and the top of the first fixing block is attached to the bottom of the first support.

As further preferable in the present technical solution: the bottom of the inclined push plate is evenly connected with a plurality of pulleys, the bottom of each pulley is connected with a supporting plate in a rolling mode, and positioning blocks are fixed at the bottoms of the supporting plates.

As further preferable in the present technical solution: the bottom surface of the inner wall of the machine frame body is bonded with an air bag, the top of the air bag is provided with a positioning groove, the outer side of the positioning block is inserted into the positioning groove, and air bag supporting blocks located on two sides of the air bag are welded at the bottom of the machine frame body.

As further preferable in the present technical solution: the top of the frame body is provided with a material ejecting hole, the top of the frame body is provided with a hydraulic cylinder, and the bottom of the hydraulic cylinder is connected with a punch.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the secondary ejection mechanism is added at the bottom of the stamping equipment, the first ejection is elastic ejection, the ejection is carried out by using the elasticity of the spring at the bottom of the first top plate, when the spring force is not enough to eject the stamped part, the second cylinder is used for ejecting the stamped part, the airbag at the bottom can provide a reverse acting force during ejection, so that the stamped part can fall off conveniently, the abrasion and deformation probability of the head of the ejector rod is reduced by ejecting the stamped part twice, the ejection mechanism does not need to be frequently contacted with the stamped part, the maintenance frequency is reduced, and the production cost is reduced.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the structure of region A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of region B in FIG. 1 according to the present invention;

fig. 4 is a schematic diagram of the ejecting three-dimensional structure of the present invention.

In the figure: 1. a hydraulic cylinder; 2. a punch; 3. a third guide groove; 4. a material ejection hole; 5. a first cylinder; 6. a first guide groove; 7. positioning blocks; 8. positioning a groove; 9. an air bag support block; 10. a second fixed block; 11. ejecting the bracket; 12. a first support frame; 13. a first fixed block; 14. an inclined push plate; 15. a second cylinder; 16. a pulley; 17. a support plate; 18. an air bag; 19. a first top plate; 20. a second top plate; 21. a second guide groove; 22. a switch; 23. a hook; 24. a spring; 25. a guide post; 26. a second support frame; 27. a roller; 28. a roller shaft; 29. a roller groove; 30. a frame body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an ejection mechanism for a composite stamping die of a heat dissipation frame of a projector comprises a frame body 30, wherein two sides of the inner wall of the frame body 30 are respectively hinged with a second cylinder 15, a piston rod of the second cylinder 15 is fixedly connected with an inclined push plate 14, one side of the inclined push plate 14 is provided with a roller groove 29, a roller shaft 28 is uniformly and fixedly inserted into the inner side wall of the roller groove 29, the outer side of the roller shaft 28 is rotatably connected with a roller 27, a second support frame 26 is arranged between the two inclined push plates 14, the bottom of the inner wall of the second support frame 26 is fixedly connected with a first cylinder 5, a piston rod end of the first cylinder 5 is fixedly provided with a second top plate 20 movably penetrating through the top of the second support frame 26, the top of the second support frame 26 is fixedly connected with a first support frame 12, a second guide groove 21 is uniformly arranged in the first support frame 12, and a second fixing block 10 is arranged at the top of the second guide groove 21, the inner side of the second fixed block 10 is connected with a first top plate 19 in a sliding manner, the bottom of the first top plate 19 is provided with a hook 23, the top of the hook 23 is attached to the bottom of the second fixed block 10, the top of the inner wall of the first top plate 19 is fixedly connected with a guide post 25, the bottom of the inner wall of the second guide groove 21 is provided with a switch 22, the output end of the switch 22 is electrically connected with the input end of the first air cylinder 5, and a spring 24 is connected between the bottom of the inner wall of the first top plate 19 and the bottom of the second guide groove 21. the utility model adds a secondary ejection mechanism at the bottom of the stamping equipment, the first ejection is elastic ejection, the ejection is performed by using the elasticity of the spring 24 at the bottom of the first top plate 19, when the force of the spring 24 is not enough to eject the stamped parts, the second air cylinder 15 is used for ejecting the stamped parts for the second time, and the air bag 18 at the bottom can also provide a reverse acting force during ejection, the ejection mechanism is convenient for the stamped parts to fall off, the abrasion and deformation probability of the head of the ejector rod is reduced by ejecting the stamped parts twice, and the ejection mechanism does not need to be frequently contacted with the stamped parts, so that the maintenance frequency is reduced, and the production cost is reduced.

In this embodiment, specifically: the middle of the first supporting frame 12 is provided with a third guide groove 3, the outer side of the second top plate 20 is connected to the inner wall of the third guide groove 3 in a sliding manner, and when the first top plate 19 does not eject a stamping part, the second top plate 20 moves upwards and ejects the stamping part.

In this embodiment, specifically: the top of the inner wall of the frame body 30 is fixedly connected with an ejection support 11, one side of the ejection support 11 is provided with a first guide groove 6, two sides of the first support frame 12 are slidably connected to the inner wall of the first guide groove 6, a first fixed block 13 is arranged at the top of the ejection support 11, the top of the first fixed block 13 is attached to the bottom of the first support frame 12, the first support frame 12 is hovered at the top of the first fixed block 13 at the bottom side of the first guide groove 6 when no stamping part needs to be ejected, and the first support frame 12 is driven to move upwards when the inclined push plate 14 at the bottom pushes up the second support frame 26.

In this embodiment, specifically: the bottom of the inclined push plate 14 is uniformly connected with a plurality of pulleys 16, the bottom of each pulley 16 is connected with a support plate 17 in a rolling manner, positioning blocks 7 are fixed at the bottoms of the support plates 17, and when the inclined push plate 14 is under pressure, force can be transmitted to the support plates 17 through the pulleys 16, so that the force in the vertical direction is decomposed into force in the horizontal direction.

In this embodiment, specifically: : the air bag 18 is bonded to the bottom surface of the inner wall of the rack body 30, the positioning groove 8 is formed in the top of the air bag 18, the outer side of the positioning block 7 is inserted into the positioning groove 8, the air bag supporting blocks 9 located on two sides of the air bag 18 are welded to the bottom of the rack body 30, after stamping production, most parts and a mold are in interference fit, if the ejection mechanism is directly used, the ejection mechanism is easily damaged, so when the first top plate 19 does not eject a stamping part, the force of the air bag 18 to the vertical direction is exerted on the first top plate 19, the force of the air bag 18 to the vertical direction is rebounded again, and the stamping part is beneficial to releasing from the mold.

In this embodiment, specifically: the ejection hole 4 has been seted up at frame body 30 top, frame body 30 top is equipped with

pneumatic cylinder

1, 1 bottom of pneumatic cylinder is connected with drift 2, and ejection mechanism stretches out through ejection hole 4 at frame body 30 top, and when the punching press, ejection mechanism indentation is inside frame body 30, and after the punching press was accomplished, ejection mechanism stretches out frame body 30 outsidely for provide the power that the stamping workpiece left stamping die.

The working principle is that when the stamping machine is used, after a stamping process of the stamping machine is completed, the top plate is used for ejecting a stamping part in the lower die, so that a worker can conveniently take out the stamping part, at the moment, the piston rod of the second air cylinder 15 pushes the inclined push plate 14 to move towards the middle of the frame body 30, the pulley 16 on the surface of the inclined push plate 14 is in sliding connection with the second support frame 26, so that the second support frame 26 moves upwards and drives the first support frame 12 to move upwards, the first support frame 12 slides in the first guide groove 6 of the ejection support 11, at the moment, the first top plate 19 protrudes out of the outer side of the frame body 30 and ejects the stamping part for the first time, when the stamping part is not ejected out from the first top plate 19, the output end of the trigger switch 22 of the guide pillar 25 is electrically connected with the input end of the first air cylinder 5, the piston rod end of the first air cylinder 5 drives the second top plate 20 to eject the stamping part for the second time, when the ejection force is very large, the vertical force is transmitted to the air bag 18, and the air bag 18 is forced to provide an opposite force to assist the ejection mechanism in ejecting the stamped part.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound stamping die of projector heat dissipation frame ejection mechanism for, includes frame body (30), its characterized in that: the frame body (30) is characterized in that both sides of the inner wall of the frame body (30) are hinged with second cylinders (15), piston rods of the second cylinders (15) are fixedly connected with oblique push plates (14), one side of each oblique push plate (14) is provided with a roller groove (29), roller shafts (28) are uniformly and fixedly inserted into the inner side wall of each roller groove (29), the outer sides of the roller shafts (28) are rotatably connected with rollers (27), a second supporting frame (26) is arranged between the two oblique push plates (14), the bottom of the inner wall of the second supporting frame (26) is fixedly connected with a first cylinder (5), the piston rod end of the first cylinder (5) is fixedly provided with a second top plate (20) which movably penetrates through the top of the second supporting frame (26), the top of the second supporting frame (26) is fixedly connected with a first supporting frame (12), and second guide grooves (21) are uniformly formed in the first supporting frame (12), the improved structure of the air cylinder is characterized in that a second fixing block (10) is arranged at the top of the second guide groove (21), a first top plate (19) is connected to the inner side of the second fixing block (10) in a sliding mode, a clamping hook (23) is arranged at the bottom of the first top plate (19), the top of the clamping hook (23) is attached to the bottom of the second fixing block (10), a guide pillar (25) is fixedly connected to the top of the inner wall of the first top plate (19), a switch (22) is arranged at the bottom of the inner wall of the second guide groove (21), the output end of the switch (22) is electrically connected to the input end of the first air cylinder (5), and a spring (24) is connected between the bottom of the inner wall of the first top plate (19) and the bottom surface of the second guide groove (21).

2. The ejector mechanism for the composite stamping die of the heat dissipation frame of the projector as claimed in claim 1, wherein: and a third guide groove (3) is formed in the middle of the first support frame (12), and the outer side of the second top plate (20) is connected to the inner wall of the third guide groove (3) in a sliding manner.

3. The ejector mechanism for the composite stamping die of the heat dissipation frame of the projector as claimed in claim 1, wherein: the all fixedly connected with in frame body (30) inner wall top ejecting support (11), first guide way (6) have been seted up to ejecting support (11) one side, the both sides sliding connection of first support frame (12) is in the inner wall of first guide way (6), ejecting support (11) top is equipped with first fixed block (13), the top laminating of first fixed block (13) is in the bottom of first support frame (12).

4. The ejector mechanism for the composite stamping die of the heat dissipation frame of the projector as claimed in claim 1, wherein: the bottom of the inclined push plate (14) is uniformly connected with a plurality of pulleys (16), the bottom of each pulley (16) is connected with a supporting plate (17) in a rolling mode, and the bottom of each supporting plate (17) is fixedly provided with a positioning block (7).

5. The ejector mechanism of claim 4, wherein: the air bag fixing device is characterized in that an air bag (18) is bonded to the bottom surface of the inner wall of the rack body (30), a positioning groove (8) is formed in the top of the air bag (18), the outer side of the positioning block (7) is inserted into the positioning groove (8), and air bag supporting blocks (9) located on two sides of the air bag (18) are welded to the bottom of the rack body (30).

6. The ejector mechanism of claim 5, wherein: the top of the frame body (30) is provided with a material ejecting hole (4), the top of the frame body (30) is provided with a hydraulic cylinder (1), and the bottom of the hydraulic cylinder (1) is connected with a punch (2).