CN216578984U - Pull ring injection mold - Google Patents

Abstract

The utility model discloses a pull ring injection mold, which comprises a base, wherein the upper surface of the base is fixedly connected with two side plates, the top ends of the side plates are fixedly connected with a top plate, a bottom plate is fixedly connected between the two side plates, the upper surface of the bottom plate is fixedly connected with a bearing seat, the outer surface of the left side plate is movably inserted with a push rod, the right end of the push rod is fixedly connected with a first triangular plate, the outer surface of the bottom plate is movably inserted with a press rod, the top end of the press rod is fixedly connected with a demolding push plate, the outer surface of the top plate is rotatably inserted with two lead screws, the outer surfaces of the lead screws are in threaded connection with nut seats, the outer surfaces of the nut seats are fixedly connected with inserting plates, the lower surface of the top plate is fixedly provided with a motor, the output end of the motor is fixedly connected with a cam, and the device can realize rapid demolding through the arrangement of a series of structures, and can take out the plastic part automatically, convenient operation.

Description

Pull ring injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a pull ring injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, the material melted by heating is injected into a die cavity by high pressure, and a formed product is obtained after cooling and solidification. In the design of an injection mold, the design of a runner has a great influence on the quality of the final product.

When an injection mold is used for producing tools, the demolding operation of the molding tools after injection molding is too troublesome, so that the molding tools are very inconvenient and waste a large amount of time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pull ring injection mold to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pull ring injection mold, includes the base, two curb plates of the last fixed surface of base is connected with, the top fixedly connected with roof of curb plate, two fixedly connected with bottom plate between the curb plate, the last fixed surface of bottom plate is connected with accepts the seat, and the left side the surface activity interlude of curb plate has the push rod, the first set-square of right-hand member fixedly connected with of push rod, the surface activity interlude of bottom plate has the depression bar, the top fixedly connected with drawing of patterns push pedal of depression bar, the surface rotation interlude of roof has two lead screws, the surface threaded connection of lead screw has nut seat, the surface fixedly connected with picture peg of nut seat, the lower fixed surface of roof installs the motor, the output fixedly connected with cam of motor.

Preferably, the compression bar extends to the inside of the bearing seat, a second triangular plate is fixedly connected to the bottom end of the compression bar, and the inclined planes of the first triangular plate and the second triangular plate are the same.

Preferably, the left end fixedly connected with pull ring of push rod, the fixed surface fixedly connected with fixed plate of push rod, fixedly connected with extension spring between fixed plate and the left side curb plate.

Preferably, the lower surface of the fixed plate is fixedly connected with a sliding block, and the upper surface of the base is provided with a limiting sliding chute in sliding connection with the sliding block.

Preferably, the upper surface of picture peg fixedly connected with inserted bar, the surface cover of inserted bar is equipped with the sliding sleeve, fixedly connected with supporting spring between sliding sleeve and the picture peg.

Preferably, the upper surface of the top plate is rotatably connected with a rotating rod, the top end of the rotating rod is fixedly connected with a hand wheel, and the rotating rod and the two screw rods are both connected with a conveying chain through transmission wheels in a transmission mode.

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

1. the injection molding part pushing device is simple in structure, the push rod is driven to move inwards by pushing the pull ring inwards, at the moment, the fixed plate and the tension spring are in a fixed connection state, when the fixed plate moves along with the movement of the push rod, the tension spring is stretched, at the moment, the first triangular plate is driven to move rightwards, and as the inclined planes of the first triangular plate and the second triangular plate are the same, the second triangular plate moves upwards, the press rod moves upwards, the demolding push plate is driven to move upwards, the injection molding part falling in the bearing seat can be automatically pushed out, and the moving distance of the first triangular plate can be set by setting the limiting sliding chute, so that the situation that the first triangular plate cannot be reset due to the fact that the first triangular plate moves to the right side of the second triangular plate is prevented;

2. according to the automatic demoulding device, the hand wheel is rotated to drive the rotating rod to rotate, the conveying chain drives the two screw rods to synchronously rotate, so that the inserting plate can move up and down, when the inserting plate moves to a certain position, the motor is started, the motor works to drive the cam to rotate, a mould above the sliding sleeve can be beaten, the mould and an injection molding piece can be quickly separated, and the automatic demoulding effect is achieved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

Fig. 4 is a schematic perspective view of the interposer of the present invention.

In the figure: 1. a base; 2. a side plate; 3. a top plate; 4. a base plate; 5. a bearing seat; 6. a push rod; 7. a pressure lever; 8. a first set square; 9. a second set square; 10. a fixing plate; 11. a tension spring; 12. a slider; 13. a limiting chute; 14. a pull ring; 15. demoulding push plate; 16. a screw rod; 17. a nut seat; 18. inserting plates; 19. inserting a rod; 20. a sliding sleeve; 21. a support spring; 22. a rotating rod; 23. a conveyor chain; 24. a hand wheel; 25. a motor; 26. a cam.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Example 1

Referring to fig. 1 and fig. 2, an embodiment of the present invention: a pull ring injection mold comprises a base 1, wherein two side plates 2 are fixedly connected to the upper surface of the base 1, a top plate 3 is fixedly connected to the top ends of the side plates 2, a bottom plate 4 is fixedly connected between the two side plates 2, a bearing seat 5 is fixedly connected to the upper surface of the bottom plate 4, a push rod 6 is movably inserted into the outer surface of the left side plate 2, a first triangular plate 8 is fixedly connected to the right end of the push rod 6, a press rod 7 is movably inserted into the outer surface of the bottom plate 4, a demolding push plate 15 is fixedly connected to the top end of the press rod 7, the press rod 7 extends into the bearing seat 5, a second triangular plate 9 is fixedly connected to the bottom end of the press rod 7, the inclined surfaces of the first triangular plate 8 and the second triangular plate 9 are the same, a pull ring 14 is fixedly connected to the left end of the push rod 6, a fixing plate 10 is fixedly connected to the outer surface of the push rod 6, a tension spring 11 is fixedly connected between the fixing plate 10 and the left side plate 2, and a slide block 12 is fixedly connected to the lower surface of the fixing plate 10, the upper surface of the base 1 is provided with a limiting sliding chute 13 which is connected with the sliding block 12 in a sliding way.

Wherein, through inwards promoting pull ring 14, drive push rod 6 inwards and remove, this moment because fixed plate 10 is in the fixed connection state with extension spring 11, when fixed plate 10 removed along with push rod 6, extension spring 11 was stretched, drive first set square 8 and remove right this moment, because first set square 8 is the same with the inclined plane of second set square 9, thereby make second set square 9 upwards remove, make depression bar 7 upwards remove, drive drawing of patterns push pedal 15 upwards removes, can will drop and release at the inside injection molding of socket 5 is automatic, and through the setting of spacing spout 13, can set up the displacement distance of first set square 8, prevent that first set square 8 from removing to the right side of second set square 9 and causing unable reseing.

Example 2

Referring to fig. 1, fig. 3 and fig. 4, an embodiment of the present invention: the utility model provides a pull ring injection mold, including roof 3, the surface of roof 3 rotates the interlude has two lead screws 16, the surface threaded connection of lead screw 16 has nut seat 17, the outer fixed surface of nut seat 17 is connected with picture peg 18, the lower fixed surface of roof 3 installs motor 25, motor 25's output fixedly connected with cam 26, the last fixed surface of picture peg 18 is connected with inserted bar 19, the surface cover of inserted bar 19 is equipped with sliding sleeve 20, fixedly connected with supporting spring 21 between sliding sleeve 20 and the picture peg 18, the upper surface of roof 3 rotates and is connected with bull stick 22, the top fixedly connected with hand wheel 24 of bull stick 22, all be connected with transfer chain 23 through the drive wheel transmission on bull stick 22 and two lead screws 16.

Wherein, the mould back-off that will be stained with the injection molding is on inserted bar 19, the mould is located supporting spring 21's top this moment, rotate hand wheel 24, drive bull stick 22 and rotate, it rotates in step to drive two lead screws 16 through transfer link 23, and then can make picture peg 18 carry out the removal from top to bottom, after picture peg 18 removed a certain position, open motor 25 this moment, motor 25 work drives cam 26 and rotates, can strike the mould that is located the sliding sleeve 20 top, make mould and injection molding carry out quick separation, play the effect of automatic drawing of patterns.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)

1. The utility model provides a pull ring injection mold, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with two side plates (2), the top end of each side plate (2) is fixedly connected with a top plate (3), a bottom plate (4) is fixedly connected between the two side plates (2), the upper surface of the bottom plate (4) is fixedly connected with a bearing seat (5), the left side is provided with a push rod (6) in a penetrating manner in the outer surface activity of the side plate (2), the right end of the push rod (6) is fixedly connected with a first triangular plate (8), the outer surface of the bottom plate (4) is provided with a press rod (7) in a penetrating manner in the outer surface activity manner, the top end of the press rod (7) is fixedly connected with a demoulding push plate (15), the outer surface of the top plate (3) is rotatably provided with two screw rods (16) in a penetrating manner, the outer surface of each screw rod (16) is connected with a nut seat (17) in a threaded manner, the outer surface of the nut seat (17) is fixedly connected with a plugboard (18), and the lower surface of the top plate (3) is fixedly connected with a motor (25), the output end of the motor (25) is fixedly connected with a cam (26).

2. The tab injection mold of claim 1, wherein: the pressing rod (7) extends to the inside of the bearing seat (5), a second triangular plate (9) is fixedly connected to the bottom end of the pressing rod (7), and the inclined planes of the first triangular plate (8) and the second triangular plate (9) are the same.

3. The tab injection mold of claim 1, wherein: the left end fixedly connected with pull ring (14) of push rod (6), the fixed surface fixedly connected with fixed plate (10) of push rod (6), fixedly connected with extension spring (11) between fixed plate (10) and left side curb plate (2).

4. The tab injection mold of claim 3, wherein: the lower surface of the fixed plate (10) is fixedly connected with a sliding block (12), and the upper surface of the base (1) is provided with a limiting sliding groove (13) which is connected with the sliding block (12) in a sliding manner.

5. The tab injection mold of claim 1, wherein: the upper surface fixed connection of picture peg (18) has inserted bar (19), the surface cover of inserted bar (19) is equipped with sliding sleeve (20), fixedly connected with supporting spring (21) between sliding sleeve (20) and picture peg (18).

6. The tab injection mold of claim 1, wherein: the upper surface of roof (3) rotates and is connected with bull stick (22), the top fixedly connected with hand wheel (24) of bull stick (22), all be connected with conveying chain (23) through the drive wheel transmission on bull stick (22) and two lead screws (16).

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