CN211363279U

CN211363279U - Stable-structure locking mechanism for injection mold

Info

Publication number: CN211363279U
Application number: CN201922051146.XU
Authority: CN
Inventors: 刘丽松
Original assignee: Xudi Machinery Co ltd
Current assignee: Xudi Machinery Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-28
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a firm locking mechanical system for injection mold of structure, including the fixed die plate, the upper end fixed mounting of fixed die plate has the mouth of pouring, the lower extreme fixed mounting of fixed die plate has first dead lever, the lower extreme embedding of first dead lever is at the inner wall of first draw-in groove, the inner wall at the movable mould board is seted up to first draw-in groove, the lower extreme inner wall fixed mounting of first draw-in groove has rubber cushion, the circular port has been seted up to the intermediate position of first draw-in groove, the second dead lever has been cup jointed to the inner wall of circular port, one side embedding that the second dead lever is close to the movable mould board inner wall is at the inner wall of second draw-in groove, the inner wall at first draw-in groove is seted. The utility model discloses a be provided with the baffle and mutually support with the second spout, can be when fixing fixed die plate and movable mould board, can be so that fixed die plate and movable mould board align from top to bottom, improved the life of device, the convenience is fixed die plate and movable mould board.

Description

Stable-structure locking mechanism for injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a firm locking mechanical system for injection mold of structure.

Background

The injection mold consists of a movable mold and a fixed mold, the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, and the movable mold and the fixed mold are separated to take out plastic products during mold opening.

The conventional injection mold is directly fixed by a bolt, so that the movable mold plate and the fixed mold plate are kept fixed, but when the movable mold plate is fixed, the movable mold plate can slide, so that the movable mold plate and the fixed mold plate are easily aligned, and the bolt collides with a body of the mold to damage the mold, so that a locking mechanism for the injection mold with a stable structure is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking mechanical system for injection mold that structure is firm to propose in solving above-mentioned background art because the movable mould board can be gliding, so lead to device movable mould board and fixed die plate to be difficult to aim at easily, thereby lead to the bolt can collide with the body of mould, cause the problem of mould damage.

In order to achieve the above object, the utility model provides a following technical scheme: a locking mechanism for an injection mold with a stable structure comprises a fixed mold plate, wherein a pouring opening is fixedly arranged at the upper end of the fixed mold plate, a first fixed rod is fixedly arranged at the lower end of the fixed mold plate, the lower end of the first fixed rod is embedded into the inner wall of a first clamping groove, the first clamping groove is arranged on the inner wall of a movable mold plate, a rubber cushion is fixedly arranged on the inner wall of the lower end of the first clamping groove, a circular hole is formed in the middle position of the first clamping groove, a second fixed rod is sleeved on the inner wall of the circular hole, one side, close to the inner wall of the movable mold plate, of the second fixed rod is embedded into the inner wall of a second clamping groove, the second clamping groove is arranged on the inner wall of the first clamping groove, a first sliding groove is formed in the inner wall of the upper end of the movable mold plate, a movable plate is embedded into the inner wall of the first sliding groove, the movable plate, the inner wall of the second sliding groove is inlaid with a sliding block, the second sliding groove is hinged to the baffle through the sliding block, a third sliding groove is formed in the baffle, and a circular groove is formed in the upper end of the third sliding groove.

Preferably, the lower end of the first fixing rod is set to be conical, and the inclination degree of the conical shape is the same as the inclination degree of the upper end of the rubber cushion.

Preferably, the diameter of the circular hole is set to be gradually increased from the middle position to both ends, and the diameter of the minimum position of the diameter of the circular hole is equal to the diameter of the outer wall of the second fixing rod.

Preferably, the one end outer wall fixed mounting that the movable mould board inner wall was kept away from to the second dead lever has the stopper, the stopper embedding is at the inner wall of spacing groove, through first spring fixed connection between the inner wall of stopper and spacing groove, the inner wall at the movable mould board is seted up to the spacing groove.

Preferably, the sliding block is rectangular, and the second sliding groove and the third sliding groove are rectangular grooves matched with the sliding block.

Preferably, the circular groove is circular, and the circular groove is a concentric circumcircle of the sliding block.

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

1. this locking mechanical system for injection mold that structure is firm, mutually support through setting up second dead lever and first dead lever, can make more firm that fixed die plate and movable mould board are fixed, avoid utilizing injection mold shaping plastic product's in-process, when the plastic melt enters into to the mould die cavity through the runner, because the powerful injection pressure of plastic melt, slight offset can appear between movable mould board and the fixed die plate, influence product quality's problem, improved the stability of device.

2. This locking mechanical system for injection mold that structure is firm, mutually support through being provided with baffle and second spout, can be when fixing fixed die plate and movable mould board, can be so that fixed die plate and movable mould board align from top to bottom, avoid fixed die plate and movable mould board when fixed, first dead lever does not align with first draw-in groove, first dead lever can be direct and the upper end contact of movable mould board, thereby lead to first dead lever and movable mould board to bump, cause the problem that the movable mould board damaged, the service life of device is prolonged, the convenience is fixed die plate and movable mould board.

Drawings

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

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

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

In the figure: 1. fixing a template; 2. pouring a mouth; 3. a first fixing lever; 4. a first card slot; 5. a rubber cushion; 6. a circular hole; 7. a second fixing bar; 8. a second card slot; 9. a limiting block; 10. a limiting groove; 11. a first spring; 12. a first chute; 13. a movable plate; 14. a second spring; 15. a second chute; 16. a slider; 17. a circular groove; 18. a third chute; 19. a baffle plate; 20. and (4) moving the template.

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, the present invention provides an embodiment:

the utility model provides a locking mechanical system for injection mold that structure is firm, including fixed die plate 1, the upper end fixed mounting of fixed die plate 1 has pouring mouth 2, the lower extreme fixed mounting of fixed die plate 1 has first dead lever 3, the lower extreme of first dead lever 3 sets up to the toper, and the degree of inclination that toper degree of inclination and 5 upper ends of rubber cushion set up is the same, can cushion first dead lever 3, avoid the direct inner wall contact with first draw-in groove 4 of first dead lever 3, thereby lead to the problem that first dead lever 3 damaged, when still having avoided first dead lever 3 wearing and tearing heavier simultaneously, circular port 6 can not align with second draw-in groove 8, thereby inconvenient carry out the problem of fixing to first dead lever 3, the stability of device is improved.

The lower extreme embedding of first dead lever 3 is at the inner wall of first draw-in groove 4, the inner wall at movable mould board 20 is seted up to first draw-in groove 4, the lower extreme inner wall fixed mounting of first draw-in groove 4 has rubber cushion 5, circular port 6 has been seted up to the intermediate position of first draw-in groove 4, the diameter of circular port 6 sets up to be crescent to both ends from the intermediate position, and the diameter of the minimum department of circular port 6 diameter equals the outer wall diameter of second dead lever 7, can make second dead lever 7 just pass circular port 6, and can directly not collide with the lateral wall of circular port 6, the stability of device has been improved, it fixes first dead lever 3 to have made things convenient for simultaneously.

Second dead lever 7 has been cup jointed to circular port 6's inner wall, the one end outer wall fixed mounting that movable mould board 20 inner wall was kept away from to second dead lever 7 has stopper 9, stopper 9 imbeds at the inner wall of spacing groove 10, through first spring 11 fixed connection between stopper 9 and the inner wall of spacing groove 10, the inner wall at movable mould board 20 is seted up to spacing groove 10, can make second dead lever 7 under the effect of the power that does not receive, can imbed the inner wall at second draw-in groove 8 all the time, thereby make fixed die plate 1 more firm with movable mould board 20 is fixed, one side embedding that second dead lever 7 is close to movable mould board 20 inner wall is at the inner wall of second draw-in groove 8, the inner wall at first draw-in groove 4 is seted up to second draw-.

The inner wall of the upper end of the movable template 20 is provided with a first sliding groove 12, the inner wall of the first sliding groove 12 is inlaid with a movable plate 13, the movable plate 13 is connected with the inner wall of the first sliding groove 12 through a second spring 14, one side of the movable plate 13, which is far away from the movable template 20, is provided with a second sliding groove 15, the inner wall of the second sliding groove 15 is inlaid with a sliding block 16, the sliding block 16 is rectangular, the second sliding groove 15 and the third sliding groove 18 are both rectangular grooves matched with the sliding block 16, the sliding block 16 can only slide on the inner walls of the second sliding groove 15 and the third sliding groove 18 and can not rotate, so that the direction of the baffle plate 19 is limited, the second sliding groove 15 is hinged with the baffle plate 19 through the sliding block 16, the baffle plate 19 is provided with a third sliding groove 18, the upper end of the third sliding groove 18 is provided with a circular groove 17, the circular groove 17 is circular, and the circular groove 17 is a concentric circumcision, thereby realize that baffle 19 rotates, cooperation second spout 15 and third spout 18 simultaneously can fix baffle 19 to the convenience can play the effect of aliging when fixing fixed die plate 1 and movable mould board 20, has avoided first dead lever 3 and movable mould board 20 striking, leads to the problem that movable mould board 20 damaged, has improved the life of device.

The working principle is as follows: when the fixed die plate 1 and the movable die plate 20 need to be fixed together, the movable plate 13 is firstly pulled out from the inner wall of the first chute 12, then the baffle plate 19 is pulled, so that the baffle plate 19 drives the sliding block 16 to slide on the inner wall of the second chute 15 until the sliding block 16 slides to the inner wall of the circular groove 17, the baffle plate 19 is rotated, so that the baffle plate 19 is perpendicular to the upper end of the movable die plate 20, and then the sliding block 16 is slid downwards, so that the sliding block 16 is embedded in the inner wall of the third chute 18, and the baffle plate 19 is fixed.

Then place the inner wall of baffle 19 with fixed die plate 1 for fixed die plate 1 and movable die plate 20 keep the vertically state, then with the inner wall of first dead lever 3 embedding first draw-in groove 4, pulling second dead lever 7, make second dead lever 7 break away from the inner wall of second draw-in groove 8, then extrude first dead lever 3 downwards, make circular port 6 align with second draw-in groove 8, loosen second dead lever 7, make second dead lever 7 under the effect of first spring 11, pass the inner wall of circular port 6 and embed the inner wall of second draw-in groove 8, thereby fix fixed die plate 1 and movable die plate 20 well.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. The utility model provides a locking mechanical system for injection mold that structure is firm, includes fixed die plate (1), its characterized in that: the upper end fixed mounting of fixed die plate (1) has pouring opening (2), the lower extreme fixed mounting of fixed die plate (1) has first dead lever (3), the lower extreme embedding of first dead lever (3) is at the inner wall of first draw-in groove (4), the inner wall at movable die plate (20) is seted up in first draw-in groove (4), the lower extreme inner wall fixed mounting of first draw-in groove (4) has rubber cushion (5), circular port (6) have been seted up to the intermediate position of first draw-in groove (4), second dead lever (7) have been cup jointed to the inner wall of circular port (6), one side embedding that second dead lever (7) is close to movable die plate (20) inner wall is at the inner wall of second draw-in groove (8), the inner wall at first draw-in groove (4) is seted up in second draw-in groove (8), first spout (12) has been seted up to the upper end inner wall of movable die plate (20), the inner wall of first spout (12) is inlayed and, be connected through second spring (14) between fly leaf (13) and first spout (12) inner wall, second spout (15) have been seted up to one side that fly leaf (13) kept away from movable mould board (20), the inner wall of second spout (15) is inlayed and is had slider (16), second spout (15) are articulated through slider (16) and baffle (19), third spout (18) have been seted up on baffle (19), circular recess (17) have been seted up to the upper end of third spout (18).

2. A structurally sound locking mechanism for an injection mold as claimed in claim 1, wherein: the lower end of the first fixing rod (3) is set to be conical, and the conical inclination degree is the same as the inclination degree of the upper end of the rubber cushion (5).

3. A structurally sound locking mechanism for an injection mold as claimed in claim 1, wherein: the diameter of circular port (6) sets up to increase gradually to both ends from the intermediate position, and the diameter of circular port (6) diameter minimum department equals the outer wall diameter of second dead lever (7).

4. A structurally sound locking mechanism for an injection mold as claimed in claim 1, wherein: one end outer wall fixed mounting that movable mould board (20) inner wall was kept away from in second dead lever (7) has stopper (9), stopper (9) embedding is at the inner wall of spacing groove (10), through first spring (11) fixed connection between the inner wall of stopper (9) and spacing groove (10), the inner wall at movable mould board (20) is seted up in spacing groove (10).

5. A structurally sound locking mechanism for an injection mold as claimed in claim 1, wherein: the sliding block (16) is rectangular, and the second sliding groove (15) and the third sliding groove (18) are rectangular grooves matched with the sliding block (16).

6. A structurally sound locking mechanism for an injection mold as claimed in claim 1, wherein: the circular groove (17) is circular, and the circular groove (17) is a concentric circum-tangent circle of the sliding block (16).