CN218227732U

CN218227732U - Mould locking buckle structure of mould

Info

Publication number: CN218227732U
Application number: CN202222129559.7U
Authority: CN
Inventors: 王权兵
Original assignee: Guangdong Galanz Enterprises Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-01-06
Anticipated expiration: 2032-08-11

Abstract

A mold locking buckle structure of a mold comprises an A plate, a B plate and a C plate, and comprises a pull rod, a bolt, a lower cushion plate and a first pin, wherein the lower cushion plate is arranged on the B plate, the lower cushion plate is provided with a mounting groove, the first pin is movably arranged on the mounting groove, the pull rod is fixedly arranged on the A plate, the bolt is fixedly arranged on the C plate, and the pull rod and the bolt are respectively provided with a limiting groove; during the die sinking, B board and C board simultaneous movement, and when driving the bolt and be in the primary importance on the lower bolster, the bolt promotes first pin and removes on the mounting groove, the spacing groove butt of first pin and pull rod. The problem of the mode locking inefficacy because of long-time use among the prior art is solved. The utility model has the characteristics of it is simple reasonable and safe feasible etc.

Description

Mould locking buckle structure of mould

Technical Field

The utility model relates to an injection molding machine technical field especially relates to a structure is detained to mode locking of mould.

Background

In traditional mould accessory market, there are diversified mode locking to detain, but most of inner structure all embeds there is little spring, cam etc. and the machining precision requires highly, and the spring is tired easily after long-time the use, leads to the mode locking to become invalid. The individual mold directly uses a limiting clamp and nylon drawing rubber for direct mold locking, the tensioning force cannot be accurately calculated, and the mold locking is easy to lose efficacy for a long time.

Chinese patent No. CN207415913U discloses in 2017 an injection mold with a mold opening control locking mechanism, specifically discloses an injection mold comprising a fixed mold, a movable mold and a top cover, wherein the fixed mold is provided with a buckling part, the movable mold is provided with a buckling rod used in cooperation with the buckling part, one end of the buckling rod is engaged with the buckling part, the other end of the buckling rod is provided with an elastic member connected with the movable mold, and the elastic member pushes the buckling rod to rotate and engage with the buckling part; the top cover is provided with a control piece for pushing the buckling rod to rotate, the buckling rod is provided with a butting part for butting against the control piece, and when the control piece butts against the butting part, the buckling rod rotates and is separated from the butting part. However, the structure is internally provided with an elastic part, and the elastic part is easy to fatigue, so that the mode locking is failed.

Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structure is detained in order to overcome the weak point among the prior art to the mode locking of mould, and its simple structure and safe feasible solve because of the harmful effects that the mode locking became invalid and bring.

The mold locking buckle structure comprises a pull rod, a bolt, a lower backing plate and a first pin, wherein the lower backing plate is installed on the B plate, an installation groove is formed in the lower backing plate, the first pin is movably installed in the installation groove, the pull rod is fixedly arranged on the A plate, the bolt is fixedly arranged on the C plate, and limit grooves are respectively formed in the pull rod and the bolt; during the die sinking, the B board with C board simultaneous movement, and drive the bolt is in when being in the primary importance on the lower bolster, the bolt promotes first pin removes on the mounting groove, first pin with the spacing groove butt of pull rod.

One end of the bolt is provided with a first guide surface for pushing the first pin, the pull rod is provided with a second guide surface, and when the bolt is located at a first position on the lower base plate, the first guide surface pushes the first pin to be abutted against the second guide surface on the pull rod and/or the limiting groove.

The limiting groove is arc-shaped.

The mounting groove is a U-shaped runway or a capsule.

The first pin is in clearance fit with the mounting groove.

The B plate is provided with a groove for mounting the lower backing plate, the lower backing plate is provided with a protruding part, and the protruding part is aligned with the outer plane of the B plate.

The mode locking buckle structure further comprises at least two second pins, and the at least two second pins are arranged on the length direction of the lower backing plate at intervals respectively.

The mold locking buckle structure further comprises an upper cover plate, and the upper cover plate is fixedly connected with the lower backing plate through screws.

A sliding space is formed among the first pin, the second pin and the upper cover plate, and the pull rod and the bolt can slide on the sliding space.

The first pin is located between the pull rod and the bolt.

The utility model discloses a mode locking structure of mould, mode locking structure include pull rod, bolt, lower bolster and first pin, and the lower bolster is installed on the B board, is equipped with the mounting groove on the lower bolster, and the first pin is movably installed on the mounting groove, and the pull rod is fixed to be set up on the A board, and the bolt is fixed to be set up on the C board, is equipped with the spacing groove on pull rod and the bolt respectively; specifically, during the die sinking, the A board is motionless, and the spacing groove and the first pin cooperation of bolt pin B board and C board and synchronous motion, and the die sinking is to setting for the distance after, and first pin promotes first pin and removes on the mounting groove, and the spacing groove butt of first pin and pull rod accomplishes the unblock, and then opens the C board. The mold locking device is simple, reasonable, safe and feasible, and solves the problem that the mold locking fails due to long-time use in the prior art.

Drawings

Fig. 1 is a schematic view of an exploded structure of a locking buckle structure according to an embodiment of the present invention.

Fig. 2 and fig. 4 are schematic diagrams of a mold closing state according to an embodiment of the present invention.

Fig. 3 is a schematic view of a mold opening state according to an embodiment of the present invention.

Fig. 5-7 are schematic diagrams of the locking buckle structure according to an embodiment of the present invention from a mold closing state to a mold opening state.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

the sliding guide plate comprises a sliding space A, a plate 1A, a plate 2B, a plate 3C, a pull rod 4, a second guide surface 401, a bolt 5, a first guide surface 501, a lower backing plate 6, a mounting groove 601, a boss 602, a first pin 7, a limiting groove 8, a second pin 9 and an upper cover plate 10.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-7, in one embodiment, a mold locking structure of a mold is provided, the mold includes an a plate 1, a B plate 2, and a C plate 3, the mold locking structure includes a pull rod 4, a bolt 5, a lower pad plate 6, and a first pin 7, the lower pad plate 6 is mounted on the B plate 2, a mounting groove 601 is provided on the lower pad plate 6, the first pin 7 is movably mounted on the mounting groove 601, the pull rod 4 is fixedly disposed on the a plate 1, the bolt 5 is fixedly disposed on the C plate 3, and a limiting groove 8 is respectively provided on the pull rod 4 and the bolt 5; during the die sinking, board B2 and the 3 synchronous motion of C board, and drive bolt 5 when being in the primary importance on lower bolster 6, bolt 5 promotes first pin 7 and removes on mounting groove 601, first pin 7 and the 8 butt in spacing groove of pull rod 4.

Specifically, during the die sinking, A board 1 is motionless, and the spacing groove 8 and the cooperation of first pin 7 of bolt 5 pin B board 2 and C board 3 and synchronous motion, and after the die sinking reached the settlement distance, first pin 7 promoted first pin 7 and removed on mounting groove 601, and first pin 7 and the spacing groove 8 butt of pull rod 4 accomplish the unblock, and then opened C board 3. The mould locking device is simple, reasonable, safe and feasible, and solves the problem that the mould locking fails due to long-time use in the prior art.

Further, as shown in fig. 6 and 7, a first guide surface 501 for pushing the first pin 7 is disposed at one end of the plug pin 5, a second guide surface 401 is disposed on the pull rod 4, and when the plug pin 5 is located at the first position on the lower cushion plate 6, the first guide surface 501 pushes the first pin 7 to abut against the second guide surface 401 and/or the limiting groove 8 on the pull rod 4.

The limiting groove 8 is arc-shaped. It should be noted that the shape of the limiting groove 8 may be changed according to the shape of the first pin 7.

Further, referring to FIG. 1, the mounting slot 601 is a U-shaped track or capsule.

The first pin 7 is in clearance fit with the mounting groove 601.

Specifically, the space between the mounting groove 601 and the first pin 7 is in clearance fit with 0.2MM, so that the pull rod 4 and the bolt 5 are ensured to rigidly force the first pin 7 to reciprocate in the mounting groove 601 on the lower cushion plate 6 by using the respective limiting grooves 8 when the mold is opened and closed.

Referring to fig. 4, the B plate 2 is provided with a groove 201 for mounting the lower shim plate 6, the lower shim plate 6 is provided with a boss 602, and the boss 602 is aligned with the outer plane of the B plate 2.

Further, referring to fig. 1, the locking buckle structure further includes at least two second pins 9, and the at least two second pins 9 are respectively disposed in the length direction of the lower mat 6 at intervals.

Specifically, the second pin 9 is used for positioning, a gap of 0.1mm is reserved between the second pin 9 and the pull rod 4 and between the second pin 9 and the plug pin 5 to prevent processing and assembling errors, and the second pin 9 is in clearance fit with the pull rod 4 and between the second pin 9 and the plug pin 5 to reduce friction between the second pin 9 and the pull rod 4 and between the second pin 9 and the plug pin 5.

The mold locking buckle structure further comprises an upper cover plate 10, and the upper cover plate 10 is fixedly connected with the lower backing plate 6 through screws.

Further, referring to fig. 1, a sliding space a is formed between the first pin 7, the second pin 9 and the upper cover plate 10, and the pull rod 4 and the latch 5 can slide in the sliding space a.

Further, the first pin 7 is located between the pull rod 4 and the plug pin 5.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a structure is detained in mode locking of mould, mould include A board (1), B board (2) and C board (3), its characterized in that: the mold locking buckle structure comprises a pull rod (4), a bolt (5), a lower backing plate (6) and a first pin (7), wherein the lower backing plate (6) is installed on the B plate (2), an installation groove (601) is formed in the lower backing plate (6), the first pin (7) is movably installed on the installation groove (601), the pull rod (4) is fixedly arranged on the A plate (1), the bolt (5) is fixedly arranged on the C plate (3), and limit grooves (8) are respectively formed in the pull rod (4) and the bolt (5); during the die sinking, board B (2) with C board (3) simultaneous movement, and drive bolt (5) are in when being in the primary importance on lower bolster (6), bolt (5) promote first pin (7) are removed on mounting groove (601), first pin (7) with spacing groove (8) butt of pull rod (4).

2. The die locking structure according to claim 1, wherein: one of bolt (5) serves and is equipped with the promotion first spigot surface (501) of first pin (7), be equipped with second spigot surface (401) on pull rod (4), bolt (5) are in when being in the primary importance on lower bolster (6), first spigot surface (501) promote first pin (7) with second spigot surface (401) on pull rod (4) and/or spacing groove (8) butt.

3. The mold clamping structure according to claim 1, wherein: the limiting groove (8) is arc-shaped.

4. The die locking structure according to claim 1, wherein: the mounting groove (601) is a U-shaped runway or capsule.

5. The die locking structure according to claim 1, wherein: the first pin (7) is in clearance fit with the mounting groove (601).

6. The die locking structure according to claim 1, wherein: be equipped with on B board (2) and be used for the installation recess (201) of lower bolster (6), be equipped with bellying (602) on lower bolster (6), bellying (602) with the outer plane of B board (2) aligns.

7. The mold clamping structure according to claim 1, wherein: the mould locking buckle structure further comprises second pins (9), wherein the number of the second pins (9) is at least two, and the second pins (9) are arranged on the length direction of the lower base plate (6) at intervals.

8. The die locking structure according to claim 7, wherein: the mould locking buckle structure further comprises an upper cover plate (10), and the upper cover plate (10) is fixedly connected with the lower base plate (6) through screws.

9. The die locking structure according to claim 8, wherein: a sliding space (A) is formed among the first pin (7), the second pin (9) and the upper cover plate (10), and the pull rod (4) and the bolt (5) can slide in the sliding space (A).

10. The die locking structure according to claim 9, wherein: the first pin (7) is located between the pull rod (4) and the bolt (5).