1. The utility model provides a hook lock safety structure for plastic mould, includes the mould, the mould includes last mould (1) and lower mould (2) of looks adaptation, its characterized in that: be equipped with hook lock (4) and the locking portion of looks adaptation on the mould, one side fixed mounting who goes up mould (1) has pivot (3), it has cup jointed to rotate on pivot (3) hook lock (4), the locking portion is installed on lower mould (2) and contain locking subassembly and movable assembly, movable assembly is used for adjusting the vertical height of locking subassembly.

2. The hook lock security feature of claim 1, wherein: the locking subassembly contains arc locking piece (10) and spacing groove (12), one side fixedly connected with spacing post (5) of hook lock (4), one side of lower mould (2) is equipped with arc locking piece (10), just seted up on arc locking piece (10) with spacing post (5) looks adaptation spacing groove (12).

3. The hook lock security feature of claim 2, wherein: the locking subassembly still includes the direction subassembly, the direction subassembly is used for the restraint arc locking piece (10) move on the vertical direction, the direction subassembly contains T shape guide way (7) and cylindricality guide way (13), one side fixed mounting of lower mould (2) has fixed disk (6), it is corresponding to have seted up two positions on fixed disk (6T shape guide way (7), and two equal sliding sleeve has connected T shape slider (8) of looks adaptation in T shape guide way (7), seted up on fixed disk (6 cylindricality guide way (13), just guide post (14) have been slided and have connected in cylindricality guide way (13), the other end of guide post (14) extends to outside cylindricality guide way (13) and fixed connection be in on arc locking piece (10).

4. The hook lock security feature of claim 3, wherein: the direction subassembly still includes coupling assembling, coupling assembling is used for connecting arc locking piece (10) with the direction subassembly, coupling assembling contains arc stopper (9) and arc spout (11), two of looks adaptation the equal fixedly connected with of one end of T shape slider (8) arc stopper (9), set up in arc locking piece (10) arc spout (11) and two connecting holes (26), two the one end of T shape slider (8) all runs through the correspondence connecting hole (26) extend to in arc spout (11), and two arc stopper (9) all slide and cup joint in arc spout (11).

5. The hook lock security feature of claim 4, wherein: the movable assembly contains sector plate (21) and arc extension hole (23), one side of fixed disk (6) is equipped with sector plate (21), it is corresponding to have seted up perforation and two positions on sector plate (21) arc extension hole (23), the corresponding perpendicular lug (22) in two positions of fixedly connected with on the fenestrate inner wall, two equal fixedly connected with pushes away post (24) on T shape slider (8), and the one end of two posts (24) that push away all runs through the correspondence arc extension hole (23) and fixedly connected with stop cap (25), the diameter of stop cap (25) is greater than the minimum diameter in arc extension hole (23).

6. The hook lock security feature of claim 5, wherein: the movable assembly further comprises a control assembly, the control assembly is used for driving the movable assembly, the control assembly comprises a bolt (17) and a vertical sliding groove (20), a fixed frame (15) is fixedly connected to the fixed disc (6), a threaded sleeve (16) is fixedly sleeved on the arc-shaped sliding groove (11), the bolt (17) is sleeved in the threaded sleeve (16) in a sleeved mode, and the vertical sliding groove (20) matched with the vertical bump (22) is formed in the bolt (17);

one end of the bolt (17) extends to the outside of the threaded sleeve (16) and is fixedly connected with a top cap (18), and two control handles (19) forming a certain angle are fixedly connected to the top cap (18).

7. The hook lock security feature of claim 2, wherein: go up fixedly connected with fixed column (27) on mould (1), slide in fixed column (27) and cup joint with flexible post (28) of hook lock (4) looks adaptation, the one end of flexible post (28) extends to outside fixed column (27), just be equipped with the spring in fixed column (27), the both ends of spring fixed connection respectively go up mould (1) with on flexible post (28).

Background

When the conventional plastic mold relates to a mold clamping plate structure, the mode adopted is to process two through holes on the clamping plate and fix the through holes on the fixed mold plate and the movable mold plate by screws. So as to ensure the safety of the die during storage and transportation. However, when the mold is mounted on the injection molding machine, an operator sometimes forgets to open the unlocking template, and the mold opens the mold and breaks a screw, or breaks a screw tooth of a mold blank to cause troublesome follow-up repair.

In the prior art, although a hook type mold locking plate structure is proposed in chinese patent document with publication number CN103386752B, a hook type lock is adopted to connect an upper mold and a lower mold, and a bolt clamping manner is adopted to lock the hook type lock, so as to replace the traditional bolt connection manner, although the mold locking can be realized as the concave-convex quick side lock structure adopted in the prior art, the mold is easy to have a certain degree of wear condition due to jolting and the like in the transportation process, if the wear amount is not compensated in time, a large friction gap can be caused between the molds, and then the precision of the mold is affected, and the precise injection molding cannot be realized, therefore, we disclose a hook type lock safety structure for a plastic mold to meet the side lock requirement of the plastic mold.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hook type lock safety structure for a plastic mould, which has the advantages of compensating abrasion and the like and solves a series of problems that the traditional mould side lock is abraded to damage the mould and the like.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hook lock safety structure for plastic mould, includes the mould, the mould includes the last mould and the lower mould of looks adaptation, be equipped with hook lock and the locking portion of looks adaptation on the mould, one side fixed mounting who goes up the mould has the pivot, it has cup jointed to rotate in the pivot the hook lock, locking portion installs on the lower mould and contain locking subassembly and movable assembly, movable assembly is used for adjusting the vertical height of locking subassembly.

Preferably, the locking subassembly contains arc locking piece and spacing groove, the spacing post of one side fixedly connected with of hook lock, one side of lower mould is equipped with the arc locking piece, just seted up on the arc locking piece with spacing post looks adaptation the spacing groove.

Preferably, the locking subassembly still includes the direction subassembly, the direction subassembly is used for the restraint arc locking piece moves on the vertical direction, the direction subassembly contains T shape guide way and cylindricality guide way, one side fixed mounting of lower mould has the fixed disk, it is corresponding to seted up two positions on the fixed disk T shape guide way, and two equal sliding sleeve has cup jointed the T shape slider of looks adaptation in the T shape guide way, seted up on the fixed disk the cylindricality guide way, just the guide post has been cup jointed in the cylindricality guide way, the other end of guide post extends to outside and fixed connection of cylindricality guide way be in on the arc locking piece.

Preferably, the direction subassembly still includes coupling assembling, coupling assembling is used for connecting the arc locking piece with the direction subassembly, coupling assembling contains the arc stopper and the arc spout of looks adaptation, two the equal fixedly connected with of one end of T shape slider the arc stopper, set up in the arc locking piece arc spout and two connecting holes, two the one end of T shape slider all runs through the correspondence the connecting hole extends to in the arc spout, and two the equal slip of arc stopper cup joints in the arc spout.

Preferably, the movable assembly contains sector plate and arc extension hole, one side of fixed disk is equipped with the sector plate, it is corresponding to have seted up perforation and two positions on the sector plate the arc extension hole, the corresponding perpendicular lug in two positions of fixedly connected with on the fenestrate inner wall, two equal fixedly connected with pushes away the post on the T shape slider, and the one end of two pushes away the post all runs through the correspondence arc extension hole and fixedly connected with stop cap, stop cap's diameter is greater than the minimum diameter in arc extension hole.

Preferably, the movable assembly further comprises a control assembly, the control assembly is used for driving the movable assembly, the control assembly comprises a bolt and a vertical sliding groove, the fixed plate is fixedly connected with a fixed frame, the arc-shaped sliding groove is fixedly sleeved with a threaded sleeve, the threaded sleeve is sleeved with the bolt in a sleeved mode, and the bolt is provided with the vertical sliding groove matched with the vertical bump;

one end of the bolt extends to the outside of the threaded sleeve and is fixedly connected with a top cap, and two control handles forming a certain angle are fixedly connected to the top cap.

Preferably, a fixed column is fixedly connected to the upper die, a telescopic column matched with the hook-type lock is slidably sleeved in the fixed column, one end of the telescopic column extends out of the fixed column, a spring is arranged in the fixed column, and two ends of the spring are respectively and fixedly connected to the upper die and the telescopic column.

(III) advantageous effects

Compared with the prior art, the invention provides a hook type lock safety structure for a plastic mold, which has the following beneficial effects:

1. the hook lock safety structure for the plastic mold indirectly rotates the sector plate through rotating the control handle, and the sector plate drives the push column to move under the guiding action of the T-shaped guide groove through the action of the arc-shaped extension hole and the push column, so that one ends of the two T-shaped sliding blocks are close to each other and move, after the hook lock is rotated to align the limit column on the hook lock with the limit groove, the bolt indirectly drives the sector plate to rotate reversely through the reverse rotation of the control handle, then the T-shaped sliding blocks drive the arc-shaped locking block to move towards the direction close to the limit column through the arc-shaped limiting blocks and finally abut against the limit column tightly under the action of the guide assembly, the limit groove is always kept in close contact with the limit column through the arrangement of the arc-shaped locking block with adjustable height, so that the traditional screwed connection type clamping can be replaced, the quick locking of the hook lock can be realized, and the loss of the mold side lock can also be avoided after long-time use, resulting in poor locking effect and affecting the use of the mold.

2. According to the hook type lock safety structure for the plastic mold, the cylindrical guide groove and the guide column are arranged, so that the arc-shaped locking block is prevented from being undesirably shifted from the two matched arc-shaped limiting blocks; the two control handles forming a certain angle are arranged, so that the bolt is convenient to rotate, and the inconvenience in operation caused by the limit influence of the hook lock is avoided; through setting up the spring, be convenient for press flexible post to realize cup jointing hook lock fast, accomodate it.

Drawings

FIG. 1 is a schematic view of a first perspective structure of an application scenario of the present invention;

FIG. 2 is a schematic perspective view of a second perspective view of an application scenario of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic perspective view of a portion of the present invention;

FIG. 5 is a schematic view of the partially disassembled three-dimensional structure shown in FIG. 4 according to the present invention;

fig. 6 is a schematic perspective view of a portion of fig. 4 according to the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. a rotating shaft; 4. a hook lock; 5. a limiting column; 6. fixing the disc; 7. a T-shaped guide slot; 8. a T-shaped slider; 9. an arc-shaped limiting block; 10. an arc-shaped locking block; 11. an arc-shaped chute; 12. a limiting groove; 13. a cylindrical guide groove; 14. a guide post; 15. a fixing frame; 16. a threaded bushing; 17. a bolt; 18. a top cap; 19. a control handle; 20. a vertical chute; 21. a sector plate; 22. a vertical bump; 23. an arc-shaped extension hole; 24. pushing the column; 25. a limiting cap; 26. connecting holes; 27. fixing a column; 28. a telescopic column.

Detailed Description

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.

As described in the background of the invention, the prior art is not sufficient, and in order to solve the above technical problems, the present application proposes a hook lock safety structure for plastic molds

In a typical embodiment of the present application, as shown in fig. 1 to 6, a hook lock safety structure for a plastic mold includes a mold, the mold includes an upper mold 1 and a lower mold 2 that are matched with each other, the mold is provided with a hook lock 4 and a locking portion that are matched with each other, one side of the upper mold 1 is fixedly provided with a rotating shaft 3, the rotating shaft 3 is rotatably sleeved with the hook lock 4, the locking portion is installed on the lower mold 2 and includes a locking component and a movable component, and the movable component is used for adjusting the vertical height of the locking component.

Further, in above-mentioned scheme, the locking subassembly contains arc locking piece 10 and spacing groove 12, and one side fixedly connected with of hook lock 4 is spacing post 5, and one side of lower mould 2 is equipped with arc locking piece 10, and sets up the spacing groove 12 with spacing post 5 looks adaptation on the arc locking piece 10, and through setting up spacing post 5 and rather than the spacing groove 12 of looks adaptation, be convenient for lock hook lock 4 fast.

Further, in above-mentioned scheme, the locking subassembly still includes the direction subassembly, the direction subassembly is used for retraining arc locking piece 10 and moves in the vertical direction, the direction subassembly contains T shape guide way 7 and cylindricality guide way 13, one side fixed mounting of lower mould 2 has fixed disk 6, set up two corresponding T shape guide ways 7 in position on the fixed disk 6, and equal slip cup joints the T shape slider 8 of looks adaptation in two T shape guide ways 7, cylindricality guide way 13 has been seted up on the fixed disk 6, and slip in the cylindricality guide way 13 and cup joint guide post 14, the other end of guide post 14 extends to outside the cylindricality guide way 13 and fixed connection on arc locking piece 10, through setting up the direction subassembly, be convenient for guide arc locking piece 10 moves in the vertical direction.

Further, in above-mentioned scheme, the direction subassembly still includes coupling assembling, coupling assembling is used for connecting arc locking piece 10 and direction subassembly, coupling assembling contains arc stopper 9 and arc spout 11 of looks adaptation, the equal fixedly connected with arc stopper 9 of the one end of two T shape sliders 8, arc spout 11 and two connecting holes 26 have been seted up in the arc locking piece 10, the one end of two T shape sliders 8 all runs through the connecting hole 26 that corresponds and extends to in the arc spout 11, and two arc stoppers 9 all slide and cup joint in arc spout 11, through setting up coupling assembling, be convenient for control arc locking piece 10 reciprocates, compensate the wearing and tearing volume.

Further, in above-mentioned scheme, movable assembly contains sector plate 21 and arc extension hole 23, one side of fixed disk 6 is equipped with sector plate 21, sector plate 21 is last to have seted up perforation and two corresponding arc extension holes in position 23, the corresponding perpendicular lug 22 in two positions of fixedly connected with on the fenestrate inner wall, equal fixedly connected with pushes away post 24 on two T shape sliders 8, and the one end of two push away posts 24 all runs through corresponding arc extension hole 23 and fixedly connected with stop cap 25, stop cap 25's diameter is greater than the minimum diameter in arc extension hole 23, through setting up stop cap 25, prevent that sector plate 21 from taking place to drop.

Further, in the above scheme, the movable assembly further comprises a control assembly, the control assembly is used for driving the movable assembly, the control assembly comprises a bolt 17 and a vertical sliding groove 20, the fixed plate 6 is fixedly connected with the fixed frame 15, the arc-shaped sliding groove 11 is fixedly sleeved with the threaded sleeve 16, the bolt 17 is sleeved in the threaded sleeve 16 through internal threads, the bolt 17 is provided with the vertical sliding groove 20 matched with the vertical bump 22, and the bolt 17 is conveniently rotated to drive the sector plate 21 to rotate by arranging the vertical sliding groove 20;

one end of the bolt 17 extends out of the threaded sleeve 16 and is fixedly connected with a top cap 18, two control handles 19 forming a certain angle are fixedly connected to the top cap 18, and the bolt 17 is convenient to rotate by arranging the control handles 19.

Further, in above-mentioned scheme, go up fixedly connected with fixed column 27 on the mould 1, slide in the fixed column 27 and cup joint with the flexible post 28 of 4 looks adaptations of hook lock, the one end of flexible post 28 extends outside fixed column 27, and is equipped with the spring in the fixed column 27, and the both ends of spring are fixed connection respectively on last mould 1 and flexible post 28, through setting up the spring, are convenient for press flexible post 28, cup joint hook lock 4 and accomodate on flexible post 28.

The working principle is as follows: when the upper die 1 and the lower die 2 need to be locked when the die is transported and the like, the bolt 17 is rotated by rotating the control handle 19, the vertical lug 22 is driven to rotate by the vertical chute 20, so that the sector plate 21 rotates, the push column 24 is driven to move under the guiding action of the T-shaped guide groove 7 by the rotation of the sector plate 21 under the action of the arc-shaped extension hole 23 and the push column 24, so that one ends of the two T-shaped sliding blocks 8 move close to each other, after the limiting column 5 on the sector plate is aligned to the limiting groove 12 by rotating the hook lock 4, the control handle 19 is driven by the reverse rotation, so that the bolt 17 indirectly drives the sector plate 21 to rotate reversely, then under the action of the guide assembly, the T-shaped sliding block 8 drives the arc-shaped locking block 10 to move towards the direction close to the limiting column 5 by the arc-shaped limiting block 9, and finally the control handle 19 stops rotating after the limiting groove 12 is abutted to the limiting column 5, the locking effect on the hook type lock 4 is achieved, the height-adjustable arc-shaped locking block 10 is arranged, the limiting groove 12 is always in close contact with the limiting column 5, the traditional threaded connection type clamping can be replaced, the hook type lock 4 is locked quickly, loss caused by long-time use of the side lock of the mold can be avoided, and the mold is affected due to poor locking effect.

By arranging the cylindrical guide groove 13 and the guide column 14, the arc-shaped locking block 10 is prevented from generating unexpected position deviation with the two matched arc-shaped limiting blocks 9; the bolt 17 is convenient to rotate by arranging the two control handles 19 which form a certain angle, so that the inconvenience in operation caused by the limit influence of the hook lock 4 is avoided; through setting up the spring, be convenient for press flexible post 28 to realize cup jointing hook lock 4 fast, accomodate it.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.