CN211807626U - Slide mechanism for integrally formed product periphery reverse buckle - Google Patents

Abstract

The utility model discloses a capable position mechanism of integrated into one piece product week back-off, including the shovel base, and with four interior line positions of shovel base matched with and four oblique tops, four interior line positions and four oblique tops can form the back-off shaping portion that is used for integrated into one piece product week back-off along the outside of shovel base, the outside of shovel base is provided with respectively all around with the ascending first spout of interior line phase complex slope, two sides of first spout are perpendicular to its bottom surface respectively, be provided with on the interior line position with first spout matched with inclined plane sliding part, carry out loosing core of product along with shovel base downstream, four interior line positions can synchronous horizontal inward movement so that four interior line positions withdraw from the back-off of shaping product through oblique guide pillar and limiting plate respectively. The utility model discloses simple structure, stability, the motion is smooth and easy, and processing, joining in marriage the mould convenience, it is easy to integrate the mould, and is efficient, and the product drawing of patterns is effectual, has improved the quality of product and the life and the reliability of yield and mould.

Description

A kind of positioning mechanism for integrally formed product with upside-down buckle

technical field

The utility model relates to the technical field of plastic moulds, in particular to a positioning mechanism for the upside-down buckle of the peripheral ring of an integrally formed product.

Background technique

With the rapid development of social economy and the continuous updating and progress of science and technology, a wide variety of plastic products are increasingly widely used in various fields such as transportation, packaging, electronic communications, home appliances, computers, aerospace, medical equipment, etc. Missing means of production and consumer goods. Plastic products are usually formed by injection molds. There are many kinds of injection molds, which can form products with complex shapes. Plastic products usually have structures that cannot be divided vertically, such as undercuts, side holes, grooves, etc., which requires a corresponding positioning mechanism in the injection mold. The mechanism that pulls out the position of product inversion, depression, etc. to the parting and reset action. However, for products with complex structures such as undercuts on the perimeter, it is difficult for some existing positioning mechanisms to fit molds (integrated molds), which are likely to cause poor movement of the mechanism or stuck, shattered (overflow), and burnt workpieces. If it is not good, it needs to replace the workpiece and repair the mold repeatedly, which will affect the quality and yield of the product and the service life and reliability of the mold. The efficiency is low and the cost is high, which reduces the competitiveness of the product and affects the application and development of the product.

Utility model content

Aiming at the problems existing in the above-mentioned existing positioning mechanisms, the utility model proposes a positioning mechanism with an upside-down buckle around the circumference of an integrally formed product.

In order to solve at least one of the above-mentioned technical problems, the utility model proposes the following technical solutions:

A travel position mechanism with an upside-down buckle on the circumference of an integrally formed product includes a shovel base, four inner travel positions and four inclined tops matched with the shovel base, the four inner travel positions are respectively arranged around the outer side of the shovel base, and the four The inclined tops are respectively arranged at the four outer corners of the shovel base, and each inclined top is matched with two adjacent inner rows respectively. The four inner rows and the four inclined tops can be formed along the outer side of the shovel base for integral molding products. In the upside-down forming part of the upside-down buckle of the perimeter, the outer sides of the shovel base are respectively provided with a first chute that is inclined upward and matched with the inner position. The two sides of the first chute are respectively perpendicular to the bottom surface, and the inner position is provided with The inclined surface sliding part matched with the first chute moves the core of the product with the downward movement of the shovel base. The four inclined tops can eject the product after the inner row is withdrawn from the undercut, and the shovel base and the inclined guide column are installed on the corresponding floating plate.

The beneficial effects of the utility model are: in the process of use, the positioning mechanism is installed in the corresponding plastic mold, the shovel base and the inclined guide column are installed on the corresponding floating plate, and the four inner positions and the four The undercut forming part formed by the cooperation of the inclined top and the shovel base can integrally form a product with an undercut around the perimeter. After the product is formed, the floating plate is opened to drive the shovel base and the inclined guide column to move downward, and the shovel base moves downward with the shovel base. The formed product is core-pulled, and the inclined surface sliding parts of the four inner positions are respectively matched with the first chute of the four shovel bases. The four inner positions are withdrawn from the inverted buckle of the molded product, and the four inclined tops can eject the product after the inner position has been withdrawn from the inverted buckle so as to take out the product from the plastic mold. The structure is simple and stable, the movement is smooth, and the processing and mold matching are convenient. , No need to repeatedly replace the workpiece, repair the mold, etc., the integration of the mold mold is easy, the efficiency is high, the product demolding effect is good, it is not easy to cause the mechanism to be stuck, the edge (overflow), burn the workpiece and other defects, improve the quality and yield of the product As well as the reliability and service life of the mold, the cost is reduced, thereby enhancing the competitiveness of the product and expanding the application and development of the product.

In some embodiments, the top of the shovel base is provided with a first molding portion for molding products, the top of the inner row is provided with a second molding portion, the top of the sloping top is provided with a third molding portion, four second molding portions and The four third forming parts can form an undercut forming part around the first forming part, and the undercut forming part and the first forming part can integrally form a product with a circumferential undercut.

In some embodiments, the inner position is provided with a first guide through hole matched with the oblique guide post, the direction of the first guide through hole is parallel to the direction of the first chute, and the oblique guide post is connected to the corresponding guide post through the first connecting plate floating board connection.

In some embodiments, the two limit plates are respectively located on both sides of the inner position, the two sides of the inner position are respectively provided with first limit slots, and the limit plates are provided with first limit slots matched with the first limit slots. A limit block, the first limit block cooperates with the first limit groove and can limit the stroke of the horizontal movement of the inner position.

In some embodiments, the inner position is provided with a first guide groove matched with the guide rail, the guide rail is installed on the corresponding template, and the direction of the first guide groove is consistent with the horizontal movement direction of the inner position.

In some embodiments, the lower end of the lifter is connected with a vertically arranged jacking rod, and the corresponding jacking mechanism can push the lifter to move through the jacking rod, so as to eject the product after the inward position is withdrawn from the undercut.

In some embodiments, it further includes a support plate located under the inclined roof, and the support plate is provided with a second guide through hole matched with the jacking rod.

In some embodiments, the end of the inner row position away from the shovel base is provided with a first stopper, the first stopper is installed on a corresponding template, and an elastic member is connected between the first stopper and the inner row position.

In some embodiments, the elastic member is a spring, and two ends of the spring are respectively connected with the first stopper and the inner travel position.

In some embodiments, the first block is provided with a first groove body matched with one end of the spring, and the inner position is provided with a second groove body matched with the other end of the spring.

In addition, in the technical solution of the present utility model, if there is no special description, the technical solution can be realized by adopting the conventional means in the field.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the following descriptions The accompanying drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

FIG. 1 is a perspective view of a positioning mechanism for an integrally formed product with an upside-down perimeter according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a positioning mechanism for an integrally formed product with an upside-down perimeter according to an embodiment of the present invention.

3 is a perspective view of a shovel base provided by an embodiment of the present invention.

FIG. 4 is a perspective view of an inner travel position, an oblique guide post and a limit plate provided by an embodiment of the present invention.

The reference numerals in the drawings indicate that the shovel base 1, the first chute 11, the first forming part 12, the inner position 2, the inclined sliding part 21, the second forming part 22, the first guiding through hole 23, the first limiting groove 24 , the first guide groove 25, the elastic member 26, the spring 261, the second groove body 27, the water pipe 28, the inclined roof 3, the third forming part 31, the jacking rod 32, the undercut forming part 4, the inclined guide column 5, the first A connecting plate 51 , a limit plate 6 , a first limit block 61 , a guide rail 7 , a support plate 8 , a second guide through hole 81 , a first stopper 9 , and a first groove body 91 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are a part of the embodiments of the present invention, not all of the embodiments, and are only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by , "two ends", "two sides", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying the indicated elements. It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as a limitation of the present invention. Furthermore, the terms "first", "secondary", "superior", "subordinate", "primary", "secondary" etc. are used for descriptive purposes only and may simply be used to more clearly distinguish different components, while Not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Fig. 1 is a perspective view of a travel mechanism for an integrally formed product with an upside-down perimeter provided by an embodiment of the present utility model, and Fig. 2 is a perspective view of a travel mechanism for an integrally-molded product with an upside-down rim provided by an embodiment of the utility model. Cross-sectional views, FIG. 3 is a perspective view of a shovel base provided by an embodiment of the present utility model, and FIG. 4 is a perspective view of an inner travel position, an inclined guide post and a limiting plate provided by an embodiment of the present utility model.

Example:

As shown in Figures 1 to 4, a positioning mechanism for inverting the circumference of an integrally formed product, the positioning mechanism is installed in a corresponding plastic mold, and is used for the inversion of the circumference of the integrally formed product when the product is formed. The structure is a unibody structure. The position mechanism includes a shovel base 1, four inner positions 2 and four inclined tops 3 matched with the shovel base 1. The four inner positions 2 are respectively arranged around the outer side of the shovel base 1. The sloping tops 3 are respectively arranged at the four outer corners of the shovel base 1 , and each sloping top 3 is matched with two adjacent inner rows 2 respectively. The four inner rows 2 and the four sloping tops 3 can move along the shovel base The outer side of the 1 is formed with an undercut forming part 4 for undercutting the circumference of the integrally molded product. The shovel base 1 can move up and down, and the four inner positions 2 are usually located between two templates in the plastic mold and can only move horizontally. Generally, the top of the shovel base 1 is provided with a first molding portion 12 for molding products, the top of the inner row 2 is provided with a second molding portion 22, the top of the inclined top 3 is provided with a third molding portion 31, and four second molding portions 31 are provided on the top of the shovel base 1. The part 22 and the four third forming parts 31 can form an undercut forming part 4 around the first forming part 12, and the undercut forming part 4 and the first forming part 12 can integrally form a product with a circumferential undercut.

The outer sides of the shovel base 1 are respectively provided with a first chute 11 that is inclined upward and matched with the inner position 2. The two sides of the first chute 11 are respectively perpendicular to the bottom surface, that is, the angles between the two side surfaces and the bottom surface are both. It is a right angle, the inner position 2 is provided with a sloped sliding part 21 that matches the first chute 11, and the intersection of the two sides of the first chute 11 and its bottom surface can also be provided with chamfers or rounded corners, so that the inner position 2 It can slide relative to the shovel base 1 more stably. The shovel base 1 and the inclined guide column 5 are installed on the corresponding floating plates. The direction of the inclined guide column 5 is parallel to the direction of the inclined surface sliding part 21 and the direction of the first chute 11. The inclined guide column 5 is slidably connected with the inner position 2. The limit plate 6 is fixed on the corresponding template and is used to limit the stroke of the horizontal movement of the inner position 2. With the downward movement of the shovel base 1, the core of the product is pulled, and the four inner positions 2 pass through the inclined guide posts 5 and the limiter respectively. The plate 6 can move horizontally and inwardly to make the four inner positions 2 withdraw from the inverted buckle of the molded product, and the four inclined tops 3 can push out the products after the inner positions 2 are withdrawn from the inverted buckle. Center movement of shovel base 1. According to specific circumstances, one inner row position 2 may correspond to one, two or more inclined guide posts 5 .

The inner position 2 is provided with a first guide through hole 23 which is matched with the oblique guide post 5. The direction of the first guide through hole 23 is parallel to the direction of the first chute 11. The oblique guide post 5 is connected with the first connecting plate 51. Corresponding floating board connections. During the core pulling process, when the floating plate drives the shovel base 1 and the inclined guide post 5 to move downward, under the limitation of the limit plate 6, the inclined guide post 5 slides along the first guide through hole 23, thereby driving the inner position 2 horizontally. Move inward to make the inner position 2 withdraw from the inverted buckle of the molded product, and the inclined surface sliding part 21 of the inner position 2 cooperates with the first chute 11 of the shovel base 1 to slide relatively, the structure is simple, compact, stable, and the movement is smooth. Higher reliability.

The two limit plates 6 are respectively located on both sides of the inner position 2, the two sides of the inner position 2 are respectively provided with first limit slots 24, The limit block 61, the first limit block 61 cooperates with the first limit groove 24 to limit the stroke of the horizontal movement of the inner position 2, so that the structure is more stable, and the movement is safer and more reliable.

The inner position 2 is provided with a first guide groove 25 matched with the guide rail 7 . The guide rail 7 is fixed on the corresponding template in the plastic mold. The direction of the first guide groove 25 is consistent with the horizontal movement direction of the inner position 2 . When the inner position 2 moves horizontally, it is guided along the guide rail 7 by the first guide groove 25 , thereby ensuring that the inner position 2 moves more accurately and stably, with higher stability and reliability.

The lower end of the lifter 3 is connected with a vertically arranged jacking rod 32 , and the corresponding jacking mechanism can push the lifter 3 to move through the jacking rod 32 to eject the product after the inner position 2 is withdrawn from the undercut. The positioning mechanism also includes a support plate 8 located below the inclined roof 3 . The support plate 8 is usually installed on a corresponding template in the plastic mold. The support plate 8 is provided with a second guide through hole 81 that matches the lift rod 32 . , the corresponding driving device pushes the lift rod 32 to move up and down through the second guide through hole 81 , so that the inclined top 3 can push out the product after the inner position 2 is withdrawn and inverted. Generally, the support plate 8 can be a rectangular frame, the four end corners of the rectangular frame are respectively provided with second guide through holes 81, the shovel base 1 passes through the rectangular frame, the structure is simple and stable, and the processing and assembly are convenient.

One end of the inner position 2 away from the shovel base 1 is provided with a first stopper 9. The first stopper 9 is installed on the corresponding template in the plastic mold. An elastic member 26 is connected between the first stopper 9 and the inner position 2. When the position 2 moves horizontally inward, the compressed elastic member 26 has a certain pushing effect on the inner position 2 through its own elastic recovery, so as to ensure that the inner position 2 moves inward horizontally. According to the specific situation, the first stopper The number of elastic pieces 26 between 9 and the inner row position 2 may be one, two or more. Usually, the elastic member 26 is a spring 261, which has a simple structure and is easy to operate. Further, the first stopper 9 is provided with a first groove body 91 matched with one end of the spring 261, and the inner position 2 is provided with a second groove body 27 matched with the other end of the spring 261. The ends are located in the first groove body 91 and the second groove body 27 respectively, and the stability is better. In addition, the guide rod can also be set on the inner position 2, the spring 261 is sleeved on the guide rod, and the first stopper 9 is provided with a through hole matching with the guide rod.

The inner row position 2 is also provided with a water pipe 28 for water inlet and outlet. The water pipe 28 facilitates supplying a circulating water flow to the inner row position 2 so as to cool the inner row position 2 as required.

During use, the positioning mechanism is installed in the corresponding plastic mold, the shovel base 1 and the inclined guide column 5 are installed on the corresponding floating plate. When the product is formed, the four inner positions 2 and the four inclined tops 3 are connected with The undercut forming part 4 formed in cooperation with the shovel base 1 can integrally form a product with an undercut around the circumference. After the product is formed, the floating plate opens to drive the shovel base 1 and the inclined guide post 5 to move downward. The formed product is core-pulled by motion, the inclined sliding parts 21 of the four inner positions 2 are matched with the first chute 11 of the four shovel bases 1 respectively, and the four inner positions 2 pass through the inclined guide posts 5 and the limiters respectively The plate 6 moves horizontally and inwardly to make the four inner rows 2 withdraw from the undercut of the molded product, and the four inclined tops 3 can push out the product after the inner row 2 is withdrawn from the undercut so that the product can be taken out from the plastic mold.

Compared with the prior art, the utility model has the advantages of simple and stable structure, smooth movement, convenient processing and mold matching, no need to repeatedly replace workpieces, repair molds, etc., easy to integrate mold molds, high efficiency, good product demoulding effect, and difficult to cause damage. The mechanism is stuck, the front edge (overflow), the burnt workpiece, etc. are not good, which improves the quality and yield of the product, the reliability and service life of the mold, and reduces the cost, thereby enhancing the competitiveness of the product and expanding the application and application of the product. develop.

The above are only some embodiments of the present invention, which are only used to illustrate the technical solutions of the present invention, but not to limit it. It should be understood that for those of ordinary skill in the art, without departing from the On the premise of the new creative concept, improvements or replacements can also be made according to the above description, and all these improvements and replacements should belong to the protection scope of the appended claims of the present utility model. In this case, all details may be replaced by equivalent elements, and materials, shapes and dimensions may also be arbitrary.

Claims (10)

1. An integrally formed product perimeter upturned positioning mechanism, characterized in that it comprises a shovel base (1), and four inner positions (2) and four inclined positions matched with the shovel base (1). The top (3), the four inner row positions (2) are respectively arranged around the outer sides of the shovel base (1), and the four inclined tops (3) are respectively arranged on the outer sides of the shovel base (1). each of the inclined tops (3) is matched with two adjacent inner rows (2) respectively, and the four inner rows (2) and the four inclined tops (3) can An undercut forming portion (4) for undercutting the circumference of the integrally formed product is formed along the outer side of the shovel base (1), and the outer periphery of the shovel base (1) is respectively provided with the inner position (2) A matching first chute (11) inclined upward, two side surfaces of the first chute (11) are respectively perpendicular to the bottom surface thereof, and the inner position (2) is provided with the first chute (11) The matching inclined surface sliding part (21), along with the downward movement of the shovel base (1), performs core pulling of the product, and the four inner positions (2) pass through the inclined guide posts (5) and the limiter respectively. The position plate (6) can move horizontally inward synchronously to make the four inner positions (2) withdraw from the inversion of the molded product, and the four inclined tops (3) can withdraw the inner positions (2) from the undercut After the product is ejected, the shovel base (1) and the inclined guide column (5) are installed on the corresponding floating plate. 2 . The positioning mechanism for undercutting the circumference of an integrally formed product according to claim 1 , wherein the top of the shovel base ( 1 ) is provided with a first forming part ( 12 ) for forming the product, 2 . The top of the inner row position (2) is provided with a second molding portion (22), the top of the inclined roof (3) is provided with a third molding portion (31), and the four second molding portions (22) and The four third forming parts (31) can form the undercut forming part (4) around the first forming part (12), the undercut forming part (4) and the first forming part ( 12) A product with an upside-down buckle around the perimeter can be integrally formed. 3 . The positioning mechanism for an integrally formed product with an upside-down perimeter according to claim 1 , wherein the inner positioning position ( 2 ) is provided with a first position matching the inclined guide column ( 5 ). 4 . A guide through hole (23), the direction of the first guide through hole (23) is parallel to the direction of the first chute (11), and the inclined guide post (5) passes through the first connecting plate (51) Connect with the corresponding floating board. 4 . The positioning mechanism for an integrally formed product perimeter upturning according to claim 1 , wherein the two limiting plates ( 6 ) are respectively located on both sides of the inner positioning position ( 2 ). 5 . First limit grooves (24) are respectively provided on both sides of the inner position (2), and first limit grooves (24) are provided on the limit plate (6) for matching with the first limit grooves (24). A position block (61), the first position block (61) and the first position limit groove (24) cooperate with each other to limit the stroke of the horizontal movement of the inner position (2). 5 . The positioning mechanism for an integrally formed product perimeter upturning according to claim 1 , wherein the inner positioning position ( 2 ) is provided with a first guide groove ( 25), the guide rail (7) is installed on the corresponding template, and the direction of the first guide groove (25) is consistent with the horizontal movement direction of the inner travel position (2). 6 . The positioning mechanism for the upside-down buckle of the integrally formed product according to claim 1 , wherein the lower end of the sloping roof ( 3 ) is connected with a vertically arranged lifting rod ( 32 ), corresponding to 6 . The lifting mechanism can push the inclined top (3) to move through the lifting rod (32), so as to push out the product after the inner position (2) is withdrawn from the inverted buckle. 7 . The positioning mechanism for an integrally formed product perimeter buckle according to claim 6 , further comprising a support plate ( 8 ) located under the inclined top ( 3 ), the support plate ( 8) A second guide through hole (81) matched with the lift rod (32) is provided on it. 8 . The position mechanism for undercutting the circumference of an integrally formed product according to any one of claims 1 to 7 , wherein the inner position ( 2 ) is away from the edge of the shovel base ( 1 ). 9 . One end is provided with a first stopper (9), the first stopper (9) is installed on the corresponding template, and an elastic piece is connected between the first stopper (9) and the inner position (2). (26). 9 . The positioning mechanism for an integrally formed product perimeter upturning according to claim 8 , wherein the elastic member ( 26 ) is a spring ( 261 ), and the two ends of the spring ( 261 ) are respectively Connect with the first block (9) and the inner position (2). 10 . The positioning mechanism for the upside-down buckle of the integrally formed product according to claim 9 , wherein the first stopper ( 9 ) is provided with an end matching with the spring ( 261 ). 11 . The first groove body (91) of the inner position (2) is provided with a second groove body (27) matched with the other end of the spring (261).

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