CN214726023U

CN214726023U - Internal thread injection mold demoulding structure

Info

Publication number: CN214726023U
Application number: CN202023341159.XU
Authority: CN
Inventors: 徐海林
Original assignee: Kunshan Changle Mold Technology Co ltd
Current assignee: Kunshan Changle Mold Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an internal thread injection mold demoulding structure, which comprises a fixing frame, demoulding mechanism, the side of mount one end adjustment disk is equipped with drive gear through the pivot, drive gear one end pivot lateral surface is kept away from to the adjustment disk is equipped with twist grip, the transmission chamber has transversely been seted up to the mount inner wall in the position modulation chamber outside, demoulding mechanism includes positioning screw, the shifting board, push away the template, the side that positioning screw is located position modulation intracavity portion one end is equipped with the transmission toothholder respectively, a side surface of shifting board transversely is equipped with the gag lever post, it establishes the lateral surface that runs through mount one end at the gag lever post to push away the template, and the outer end fixing of gag lever post is provided with and is located the inboard stripper plate of push away template. The utility model discloses utilize positioning screw to control the removal about the shifting board under the rotation effect of positioning intracavity cooperation transmission toothholder, the shifting board is in order to accomplish the finished drawing of patterns operation in the equipment die cavity of the removal of gag lever post effect synchronous control ejector pad board, excellent in use effect.

Description

Internal thread injection mold demoulding structure

Technical Field

The utility model relates to an injection moulding technical field specifically is an internal thread injection mold demoulding structure.

Background

Injection molding is a method for producing moldings from industrial products, which generally use rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.

The demoulding operation during the existing mould processing is mostly finished in a reverse buckling or ejecting mode, so that the operation difficulty is high, the equipment cost is increased, the continuous operation performance is insufficient, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an internal thread injection mold demoulding structure to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a demoulding structure of an internal thread injection mould comprises a fixed frame and a demoulding mechanism;

an adjusting disc is movably arranged in the middle of the surface of one side of the fixing frame through a circular groove, a transmission gear is movably arranged on the side surface of one end, located in the groove, of the adjusting disc through a shaft pin, and a rotating handle is fixedly arranged on the outer side surface of the adjusting disc, away from the shaft pin at one end of the transmission gear;

an I-shaped positioning cavity is formed in the middle of the inner wall of the fixing frame, and a cylindrical transmission cavity is transversely formed in the inner wall of the fixing frame outside the positioning cavity;

demoulding mechanism includes positioning screw, shifting board, ejector pad board, the horizontal activity of positioning screw sets up the inside in the transmission chamber, positioning screw is located the side of the inside one end of positioning chamber and moves about respectively and is provided with the transmission toothholder, the shifting board activity sets up the positioning intracavity wall between two transmission toothholders, a side surface horizontal fixation of shifting board is provided with a plurality of gag lever posts, the fixed lateral surface that runs through mount one end at the gag lever post that sets up of ejector pad board, just the outer terminal surface of gag lever post is fixed to be provided with and is located the inboard stripper plate of ejector pad board.

Preferably, the adjusting disc is of an internal gear disc-shaped structure, and the tooth surface of the positioning screw rod at one end inside the adjusting disc is respectively meshed and connected with the tooth surface of the transmission gear and the tooth surface of the adjusting disc.

Preferably, the inner wall of the fixing frame outside the positioning cavity is provided with two groups of transmission cavities, and a positioning screw rod is arranged in each transmission cavity and synchronously controlled to rotate by a rotating handle through a transmission gear.

Preferably, the shifting plate is controlled to move left and right in the position adjusting cavity by the matching of the transmission tooth holder and the positioning screw rod, and the shifting plate is synchronously controlled to move the template pushing plate by the limiting rod.

Preferably, the stripper plate is assembled on the side surface of the extrusion plate through bolts, and an assembling die slot is formed in the middle of the side surface of the extrusion plate, which is far away from the stripper plate.

Preferably, a stamping spring rod is movably arranged between the inner wall of the assembling die cavity and the pushing die plate through a through hole.

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

1. the ejector plate penetrates through the positioning cavity through the limiting rod and is arranged on the outer side surface of the fixing frame, the positioning screw is utilized to control the shifting plate to move left and right under the rotation action of the positioning cavity matched with the transmission tooth holder, and the shifting plate synchronously controls the movement of the ejector plate under the action of the limiting rod so as to complete the demoulding operation of a finished product in the assembling die cavity, so that the use effect is good;

2. the extrusion plate is arranged in the U-shaped groove on one side, close to the limiting rod, of the pushing template, the stamping spring rod is arranged between the inner wall of the assembling die groove and the pushing template, the pushing template can be used for driving the extrusion plate to move so as to complete material pushing operation on the stamping spring rod, the requirements of different product demolding operation are met, meanwhile, hard processing is avoided to influence the product quality, and the practicability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

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

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a cross-sectional view of the expanded structure of the present invention.

In the figure: 1. a fixed mount; 2. an adjusting disk; 3. a transmission gear; 4. rotating the handle; 5. a positioning cavity; 6. a transmission cavity; 7. positioning a screw rod; 8. a shifting plate; 9. pushing the template; 10. a transmission tooth holder; 11. a limiting rod; 12. a pressing plate; 13. assembling a die cavity; 14. and stamping the spring rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a demolding structure for an internal thread injection mold, including a fixing frame 1 and a demolding mechanism; an adjusting disc 2 is movably arranged in the middle of the surface of one side of the fixing frame 1 through a circular groove, a transmission gear 3 is movably arranged on the side surface of one end, located in the groove, of the adjusting disc 2 through a shaft pin, and a rotating handle 4 is fixedly arranged on the outer side surface of the shaft pin, at the end, far away from the transmission gear 3, of the adjusting disc 2; an I-shaped positioning cavity 5 is formed in the middle of the inner wall of the fixing frame 1, and a cylindrical transmission cavity 6 is transversely formed in the inner wall of the fixing frame 1 outside the positioning cavity 5; the demolding mechanism comprises a positioning screw 7, a shifting plate 8 and a pushing template 9, wherein the positioning screw 7 is transversely movably arranged inside a transmission cavity 6, the side surfaces of the positioning screw 7, which are positioned at one end inside a position adjusting cavity 5, are respectively and movably provided with a transmission tooth holder 10, the shifting plate 8 is movably arranged on the inner wall of the position adjusting cavity 5 between the two transmission tooth holders 10, a plurality of limiting rods 11 are transversely and fixedly arranged on the surface of one side of the shifting plate 8, the pushing template 9 is fixedly arranged on the outer side surface of one end, which penetrates through a fixed frame 1, of each limiting rod 11, and an extrusion plate 12 positioned on the inner side of the pushing template 9 is fixedly arranged on the outer end surface of each limiting rod 11; the adjusting disc 2 is of an internal gear disc-shaped structure, and the tooth surface of one end of the positioning screw 7, which is positioned in the adjusting disc 2, is respectively meshed and connected with the tooth surface of the transmission gear 3 and the tooth surface of the adjusting disc 2, so that manual adjustment is realized to ensure controllable demoulding; two groups of transmission cavities 6 are arranged on the inner wall of the fixing frame 1 outside the position adjusting cavity 5, and a positioning screw 7 is respectively arranged in the transmission cavities, and the two positioning screws 7 are synchronously controlled by the rotating handle 4 to rotate through the transmission gear 3, so that the stable transmission requirement is met; the shifting plate 8 is controlled to move left and right by the transmission tooth holder 10 matched with the positioning screw 7 in the positioning cavity 5, and the shifting plate 8 synchronously controls the movement of the template pushing plate 9 by the limiting rod 11, so that the stability and reliability of transmission are ensured; the stripper plate 9 is assembled on the side surface of the extrusion plate 12 through bolts, and the middle part of the surface of one side of the extrusion plate 12, which is far away from the stripper plate 9, is provided with an assembling die cavity 13, so that the assembling operation between the stripper plate and the die plate is convenient; a stamping spring rod 14 is movably arranged between the inner wall of the assembling die cavity 13 and the pushing die plate 9 through arranging a through hole, so that the influence of hard contact on the product quality during demoulding is avoided.

The utility model discloses a theory of operation and use flow: when the device is used, the template is assembled in an assembling die slot 13 on the side surface of the template pushing plate 9 according to the demolding requirement and is fixed, the rotating handle 4 is rotated to be matched with the adjusting disc 2 to control the rotation of the positioning screw 7 under the action of the transmission gear 3, the positioning screw 7 is matched with the transmission tooth holder 10 in the positioning cavity 5 to control the left and right movement of the shifting plate 8, and the shifting plate 8 synchronously controls the movement of the template pushing plate 9 under the action of the limiting rod 11 to complete the demolding operation of finished products in the assembling die slot 13 through the stamping spring rod 14, so that the use effect is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an internal thread injection mold demoulding structure which characterized in that:

comprises a fixed frame (1) and a demoulding mechanism;

an adjusting disc (2) is movably arranged in the middle of the surface of one side of the fixing frame (1) through a circular groove, a transmission gear (3) is movably arranged on the side surface of one end, located in the groove, of the adjusting disc (2) through a shaft pin, and a rotating handle (4) is fixedly arranged on the outer side surface of the shaft pin, far away from the transmission gear (3), of the adjusting disc (2);

an I-shaped positioning cavity (5) is formed in the middle of the inner wall of the fixing frame (1), and a cylindrical transmission cavity (6) is transversely formed in the inner wall of the fixing frame (1) on the outer side of the positioning cavity (5);

demoulding mechanism includes positioning screw (7), shifting board (8), pushes away template (9), positioning screw (7) horizontal activity sets up the inside in transmission chamber (6), positioning screw (7) are located the side of the inside one end in transposition chamber (5) and move about respectively and are provided with transmission toothholder (10), shifting board (8) activity sets up transposition chamber (5) inner wall between two transmission toothholders (10), a side surface horizontal fixation of shifting board (8) is provided with a plurality of gag lever posts (11), it runs through the lateral surface of mount (1) one end in gag lever post (11) to push away template (9) fixed the setting, just the outer end face of gag lever post (11) is fixed be provided with and is located push away inboard stripper plate (12) of template (9).

2. The internal thread injection mold release structure according to claim 1, wherein: the adjusting disc (2) is of an internal gear disc-shaped structure, and the tooth surface of one end, located inside the adjusting disc (2), of the positioning screw (7) is meshed and connected with the tooth surface of the transmission gear (3) and the tooth surface of the adjusting disc (2) respectively.

3. The internal thread injection mold release structure according to claim 1, wherein: the inner wall of the fixing frame (1) outside the position adjusting cavity (5) is provided with two groups of transmission cavities (6), and a positioning screw rod (7) is arranged in each transmission cavity, and the positioning screws (7) are synchronously controlled to rotate by the rotating handle (4) through the transmission gear (3).

4. The internal thread injection mold release structure according to claim 1, wherein: the shifting plate (8) is controlled to move left and right in the position adjusting cavity (5) by a transmission tooth holder (10) in cooperation with the positioning screw (7), and the shifting plate (8) synchronously controls the movement of the template pushing plate (9) by a limiting rod (11).

5. The internal thread injection mold release structure according to claim 1, wherein: the stripper plate (9) is assembled on the side surface of the extrusion plate (12) through bolts, and an assembling die cavity (13) is formed in the middle of the surface of one side, far away from the stripper plate (9), of the extrusion plate (12).

6. The internal thread injection mold release structure according to claim 5, wherein: a stamping spring rod (14) is movably arranged between the inner wall of the assembling die cavity (13) and the ejector plate (9) through a through hole.