CN216267443U

CN216267443U - Injection mold with inside clamping mechanism

Info

Publication number: CN216267443U
Application number: CN202122986130.5U
Authority: CN
Inventors: 于晓宁; 于建军; 张兴; 李卓奇; 赵福浩; 王道霖; 于圣民
Original assignee: Shandong Dao'en Molding Co ltd
Current assignee: Shandong Dao'en Molding Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-12
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses an injection mold with an internal mold locking mechanism, and relates to the technical field of injection molds. The fixed die and the movable die are connected through the limiting block, the clamping groove, the first limiting cavity and the first clamping block, so that the stability of the fixed die and the movable die in connection is improved; through setting up spout, driving lever, reset spring, a rack pole, No. two rack poles, drive gear, carriage release lever, ejector pin and No. two ejector pins, the effect of locking is relieved in convenient and fast's realization.

Description

Injection mold with inside clamping mechanism

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with an internal mold locking mechanism.

Background

An injection mold is a molding tool for producing an injection molded product, and the mold has a high pressure inside a cavity during injection, which causes a tendency of relative separation between a movable mold and a stationary mold, so that a force is always applied to overcome the pressure inside.

Therefore, the existing partial mold can adopt the mold locking mechanism to limit the mold, but most of the mold locking mechanisms are more complicated, inconvenient to operate and not beneficial to the production efficiency, and therefore the improvement is needed.

Disclosure of Invention

Based on this, the object of the present invention is to provide an injection mold with an internal clamping mechanism to solve the technical problems mentioned in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold with an internal mold locking mechanism comprises a fixed mold and a movable mold, wherein a first limiting cavity is formed in the fixed mold, a first clamping block is fixed on the bottom wall of the first limiting cavity, a second limiting cavity is formed in the inner wall of the fixed mold below the first limiting cavity, a second clamping block is fixed on the bottom wall of the second limiting cavity, a second ejector rod is arranged below the second limiting cavity, a moving rod is fixed at the top end of the second ejector rod, a limiting block extending to the outer side of the movable mold is arranged on the inner wall of the movable mold, a clamping block is fixed at the bottom end of the limiting block, a clamping groove is formed in the bottom wall of the limiting block at one side of the clamping block, a first ejector rod is arranged in the fixed mold at the bottom end of the first limiting cavity, a first rack rod is fixed at the bottom end of the first ejector rod, a driving gear is installed on the inner side of the first rack rod, and one side of the driving gear is connected with the second rack rod, the end face of the fixed die is provided with a sliding groove, a shifting rod is arranged inside the sliding groove, and a reset spring is arranged inside the shifting rod and located in the sliding groove.

Through adopting above-mentioned technical scheme, play the locking effect to the mould to reinforcing mould stability of connecting.

The outer wall of the limiting block is smaller than the inner wall of the first limiting cavity, the limiting block is connected with the inner wall of the movable die through a strong torsion spring shaft, and the inner wall of the clamping groove is matched with the outer wall of the first clamping block.

Through adopting above-mentioned technical scheme for the stopper removes to carry out the block spacing in the spacing chamber No. one.

The utility model is further provided that the driving gear is engaged with the first rack bar through a gear, and the driving gear is engaged with the second rack bar through a gear.

Through adopting above-mentioned technical scheme, play the effect that a drive gear drive rack bar removed.

The fixed die is further provided with a second ejector rod, a moving rod, a first ejector rod, a first rack rod and a second rack rod which are all connected with the inner wall of the fixed die in a sliding mode.

Through adopting above-mentioned technical scheme, play the effect that No. two ejector pins, carriage release lever, ejector pin, rack bar and No. two rack bar of being convenient for remove.

The utility model is further provided that the shift lever is connected with the inner wall of the chute in a sliding manner.

Through adopting above-mentioned technical scheme, play the effect that supplementary driving lever removed.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, by arranging the limiting blocks, the clamping grooves, the first limiting cavity and the first clamping block, when the movable die is started and closed, the limiting blocks positioned on the outer wall of the movable die can move along with the movable die, along with the movement of the movable die, the limiting blocks can move into the first limiting cavity, when the bottom ends of the limiting blocks move to be in contact with the first clamping block, the limiting blocks can rotate upwards, when the movable die moves to be attached to the fixed die, the first clamping block is rightly reset and moves into the clamping grooves, meanwhile, the clamping blocks positioned at the bottom ends of the limiting blocks also rightly fall into the limiting grooves of the first limiting cavity, so that the locking effect of the fixed die and the movable die is realized, similarly, the second group of limiting blocks can also move into the second limiting cavity to be limited and locked, and the stability of the fixed die and the movable die when connected is improved;

2. the utility model is provided with a chute, a deflector rod, a reset spring, a first rack rod, a second rack rod, a driving gear, a moving rod, a first ejector rod and a second ejector rod, when the locking state needs to be relieved, two groups of deflector rods are poked to enable the two groups of deflector rods to move in the chute and extrude the reset spring, at the moment, the first group of deflector rods can drive the second rack rod to move, the second rack rod can drive the driving gear to rotate through the gear meshing action after moving, the driving gear can drive the first rack rod to move after rotating, the first ejector rod can drive the first ejector rod to move upwards after moving, so that the first ejector rod can lift up a limiting block, a clamping block at the bottom end of the limiting block is moved out of a limiting groove in a limiting cavity, the first clamping block can also be moved out of the clamping groove, the limiting state of the first group of limiting block is relieved, and similarly, the moving rod can be driven to move upwards by the moving of the second group of deflector rods, the removal of carriage release lever can drive the removal of No. two ejector pins, and No. two ejector pins can be jacking the stopper of second group and relieve spacingly, afterwards the movable mould shift out can, through the effect that locking was relieved in the realization that above-mentioned structure can convenient and fast.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention;

FIG. 3 is a schematic diagram of the external structure of the fixed mold of the present invention.

In the figure: 1. fixing a mold; 2. moving the mold; 3. a first limit cavity; 4. a first clamping block; 5. a second limit cavity; 6. a second clamping block; 7. a second ejector rod; 8. a travel bar; 9. a limiting block; 10. a clamping block; 11. a clamping groove; 12. a first ejector rod; 13. a rack bar one; 14. a drive gear; 15. a rack bar II; 16. a chute; 17. a deflector rod; 18. a return spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An injection mold with an internal mold locking mechanism is disclosed, as shown in figure 1-3, and comprises a fixed mold 1 and a movable mold 2, wherein a first limiting cavity 3 is arranged inside the fixed mold 1, a first clamping block 4 is fixed on the bottom wall of the first limiting cavity 3, a second limiting cavity 5 is arranged on the inner wall of the fixed mold 1 below the first limiting cavity 3, a second clamping block 6 is fixed on the bottom wall of the second limiting cavity 5, a second ejector rod 7 is arranged below the second limiting cavity 5, a moving rod 8 is fixed on the top end of the second ejector rod 7, a limiting block 9 extending to the outer side of the movable mold 2 is arranged on the inner wall of the movable mold 2, a clamping block 10 is fixed on the bottom end of the limiting block 9, a clamping groove 11 is arranged on the bottom wall of the limiting block 10, a first ejector rod 12 is arranged on the bottom end of the first limiting cavity 3 inside the fixed mold 1, and a first rack rod 13 is fixed on the bottom end of the first ejector rod 12, a driving gear 14 is installed at the inner side of the first rack bar 13, and a second rack bar 15 is connected to one side of the driving gear 14, the driving gear 14 is engaged with the first rack bar 13 through a gear, and the driving gear 14 is engaged with the second rack bar 15 through gears, the movement of the second rack bar 15 drives the driving gear 14 to rotate, the driving gear 14 drives the first rack bar 13 to move through the gear engagement after rotating, so as to realize the ejection of the first ejector rod 12, the end surface of the fixed die 1 is provided with a sliding groove 16, a shifting rod 17 is arranged inside the sliding groove 16, the inner side of the shifting rod 17 is positioned inside the sliding groove 16 and is provided with a return spring 18, the shifting rod 17 is connected with the inner wall of the sliding groove 16 in a sliding way, so that the shifting rod 17 can slide in the sliding groove 16, thereby driving the moving rod 8 and the second rack bar 15 to move, and after the hands are released, the shift lever 17 is reset under the action of the reset spring 18.

Referring to fig. 1, the outer wall of the limiting block 9 is smaller than the inner wall of the first limiting cavity 3, the limiting block 9 is connected with the inner wall of the moving mold 2 through a strong torsion spring shaft, the inner wall of the clamping groove 11 is matched with the outer wall of the first clamping block 4, so that the limiting block 9 can move into the first limiting cavity 3 conveniently, and is clamped and connected with the clamping groove 11 through the first clamping block 4 for limiting.

Referring to fig. 1-2, the second ejector rod 7, the movable rod 8, the first ejector rod 12, the first rack rod 13 and the second rack rod 15 are slidably connected to the inner wall of the fixed mold 1, so that the second ejector rod 7, the movable rod 8, the first ejector rod 12, the first rack rod 13 and the second rack rod 15 can slide in the inner wall of the fixed mold 1.

The working principle of the utility model is as follows: when the movable die 2 is started and closed, the limiting block 9 positioned on the outer wall of the movable die 2 can move along with the movable die 2, along with the movement of the movable die 2, the limiting block 9 can move into the first limiting cavity 3, when the bottom end of the limiting block 9 moves to be in contact with the first clamping block 4, the limiting block 9 can rotate upwards, when the movable die 2 moves to be attached to the fixed die 1, the first clamping block 4 is rightly reset and moves into the clamping groove 11, meanwhile, the clamping block 10 positioned at the bottom end of the limiting block 9 also rightly falls into the limiting groove of the first limiting cavity 3, so that the locking effect of the fixed die 1 and the movable die 2 is realized, similarly, the second group of limiting blocks 9 can also move into the second limiting cavity 5 for limiting and locking, and the stability of the fixed die 1 and the movable die 2 when connected is improved;

when the locking state needs to be released, the two groups of deflector rods 17 are pulled to enable the two groups of deflector rods 17 to move in the sliding groove 16 and extrude the reset spring 18, at the moment, the first group of deflector rods 17 can drive the second rack rod 15 to move, the second rack rod 15 can drive the driving gear 14 to rotate through the gear meshing effect after moving, the driving gear 14 can drive the first rack rod 13 to move after rotating, the first rack rod 13 can drive the first ejector rod 12 to move upwards after moving, so that the first ejector rod 12 jacks the limiting block 9, the clamping block 10 at the bottom end of the limiting block 9 is moved out of the limiting groove in the first limiting cavity 3, the first clamping block 4 can also be moved out of the clamping groove 11, and then the limiting state of the first group of limiting blocks 9 is released, similarly, the movement of the second group of deflector rods 17 can drive the moving rod 8 to move upwards, and the moving rod 8 can drive the second ejector rod 7 to move, no. two ejector pins 7 can jack second group limiting block 9 to remove limiting, and then the movable die 2 is moved out, so that the locking effect can be removed conveniently and quickly.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides an injection mold with inside clamping mechanism, includes cover half (1) and movable mould (2), its characterized in that: a first limiting cavity (3) is formed in the fixed die (1), a first clamping block (4) is fixed on the bottom wall of the first limiting cavity (3), a second limiting cavity (5) is formed in the inner wall of the fixed die (1) and located below the first limiting cavity (3), a second clamping block (6) is fixed on the bottom wall of the second limiting cavity (5), a second ejector rod (7) is arranged below the second limiting cavity (5), a moving rod (8) is fixed at the top end of the second ejector rod (7), a limiting block (9) extending to the outer side of the moving die (2) is arranged on the inner wall of the moving die (2), a clamping block (10) is fixed at the bottom end of the limiting block (9), a clamping groove (11) is formed in the bottom wall of the limiting block (10), a first ejector rod (12) is arranged in the fixed die (1) at the bottom end of the first limiting cavity (3), and the bottom mounting of a ejector pin (12) has a rack bar (13), drive gear (14) are installed to the inboard of a rack bar (13), and one side of drive gear (14) is connected with No. two rack bars (15), spout (16) have been seted up to the terminal surface of cover half (1), and the inside of spout (16) is provided with driving lever (17), the internally mounted that the inboard of driving lever (17) is located spout (16) has reset spring (18).

2. An injection mold with an internal clamping mechanism as claimed in claim 1, wherein: the outer wall of stopper (9) is less than the inner wall of a spacing chamber (3), and stopper (9) and the inner wall of movable mould (2) pass through powerful torsional spring hub connection, the inner wall in block groove (11) agrees with mutually with the outer wall of a fixture block (4).

3. An injection mold with an internal clamping mechanism as claimed in claim 1, wherein: the driving gear (14) is connected with the first rack rod (13) in a gear meshing mode, and the driving gear (14) is connected with the second rack rod (15) in a gear meshing mode.

4. An injection mold with an internal clamping mechanism as claimed in claim 1, wherein: no. two ejector pins (7), carriage release lever (8), an ejector pin (12), a rack bar (13) and No. two rack bars (15) all with the inner wall sliding connection of cover half (1).

5. An injection mold with an internal clamping mechanism as claimed in claim 1, wherein: the shifting lever (17) is connected with the inner wall of the sliding groove (16) in a sliding manner.