CN209832513U - Mold opening delaying buckle base for thin water gap - Google Patents

Abstract

The utility model discloses a base is detained to thin mouth of a river postpone die sinking, including back mould draw-in groove, the first fixture block of front mould and front mould bottom plate second fixture block, the first fixture block of front mould is located the top of front mould bottom plate second fixture block, the first fixture block of front mould includes fixed block, movable block, the fixed block is connected on the front mould, the movable block articulates on the fixed block and is equipped with elastic element between fixed block and the movable block, the movable block is equipped with first pin and bulge, front mould bottom plate second fixture block one side is connected on the front mould bottom plate, and the opposite side is equipped with the trapezoidal opening, and first pin is in slide in the trapezoidal opening, bulge and the mutual buckle of back mould draw-in groove. Through bulge, back mould draw-in groove, first pin and inclined plane spacing each other and buckle make the mould loose core action just begin the die sinking after finishing, reach front mould and back mould time delay die sinking, to the injection moulding product that needs time delay die sinking reduced manufacturing cost, improved production efficiency, the utility model discloses simple structure, processing and installation are more convenient.

Description

Mold opening delaying buckle base for thin water gap

Technical Field

The utility model relates to a technical field of mould, concretely relates to base is detained to postpone die sinking of thin mouth of a river.

Background

At present, in the prior art, the production of injection products requires die opening to complete the demoulding of the products, and because some products have special structures (such as products with internal buckle structures), the direction of core pulling is different from the direction of die opening and demoulding during demoulding. If the core is not independently pulled, the core of the core is pushed to incline or be pushed to be broken once the mold is opened, so that the mold is blocked. Therefore, before the injection mold is opened, the loose cores in different directions need to be separated, and the moving direction of demolding is reversed, so that the normal demolding action is not influenced.

The mold core-pulling mechanism can generate a section of stroke in the mold core cavity, and the mold can be opened after the mold with a part of inner buckle structure is pulled out. However, in the actual production process, the loose cores in different directions are easy to fall off, and the mold starts to be opened, so that the mold is damaged, and the product inside the mold core is pulled to deform, so that the product cannot be directly and smoothly demoulded from the mold core.

Disclosure of Invention

Aiming at the defects in the prior art, the mold opening delay button base with the thin water gap is provided to solve the technical problem that the mold opening is carried out before the core pulling mechanism in the background technology finishes the extraction of part of molds, and the mold opening is carried out only after the core pulling of the molds is finished completely.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a base is detained to thin water gap postpone die sinking, includes the first fixture block of back mould draw-in groove, front mould and front mould bottom plate second fixture block, the first fixture block of front mould is located the top of front mould bottom plate second fixture block, the first fixture block of front mould includes fixed block, movable block, the fixed block is connected on the front mould, the movable block articulates on the fixed block and be equipped with elastic element between fixed block and the movable block, the movable block is equipped with first pin and bulge, the bulge with back mould draw-in groove buckle each other, one side of front mould bottom plate second fixture block is connected on the front mould bottom plate, and the opposite side is equipped with the trapezoidal opening of falling, the trapezoidal opening of falling is equipped with vertical face, horizontal plane and inclined plane, and first pin is in slide on horizontal plane and the inclined plane.

Preferably, one side of the fixed block is provided with a bolt hole for a bolt to penetrate through, the bolt penetrates through the bolt hole to fix the first fixture block of the front mold on the front mold, and the other side of the fixed block is provided with a U-shaped opening for the movable block to rotate.

Preferably, U type opening and movable block all are equipped with matched with through-hole, the movable block runs through the second pin the through-hole articulates on the U type opening, the movable block uses the second pin to freely rotate as the axle in U type opening.

Preferably, the movable block is further provided with a first pin hole, the first pin penetrates through the first pin hole, the length of the first pin is greater than that of the first pin hole, and the first pin slides on the horizontal plane and the inclined plane of the inverted trapezoid opening.

Preferably, the elastic element is a spring, one side of the spring is connected with the bottom surface of the movable block, the other side of the spring is connected with the bottom surface of the U-shaped opening, and when the first pin slides on the inclined surface, the spring provides elastic force towards the direction of the rear mold clamping groove for the movable block to buckle the protruding portion.

Preferably, the upper end face of the protruding portion is an arc-shaped face, and the protruding portion of the arc-shaped face is separated from the rear mold clamping groove more easily during secondary mold opening.

The utility model has the advantages that: through setting up the mutual buckle of bulge and back mould draw-in groove on the first fixture block of front mould, first pin on the first fixture block of front mould is in the trapezoidal open-ended horizontal plane of falling and inclined plane slide spacing to cooperate the position of detaining of bulge and back mould draw-in groove with break away from to reach front mould and back mould time delay die sinking, it is more convenient to the injection moulding product die sinking that needs the time delay die sinking, has realized that only the mould can the die sinking after the mould is loosed core completely. Compared with the prior art, the utility model discloses simple structure, processing and installation are more convenient, have improved production efficiency and have reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the first fixture block of the front mold, the second fixture block of the bottom plate of the front mold, and the slot of the rear mold;

FIG. 3 is a schematic view of the fitting structure of the first fixture block of the front mold and the second fixture block of the front mold base plate of the present invention;

FIG. 4 is a schematic view of the first block structure of the front mold of the present invention

FIG. 5 is a schematic cross-sectional view of a second block of the front mold base plate of the present invention;

wherein: 1. a front mold; 2. a rear mold; 3. a front mold base plate; 4. a rear mold clamping groove; 5. a first fixture block of the front mold; 6, a second clamping block of the front mold bottom plate; 7. a keyhole; 8. an inverted trapezoidal opening; 9. a fixed block; 10. a movable block; 11. a U-shaped opening; 12. a spring; 13. a projection; 14. a first pin; 15. a bevel; 16. a first pin hole; 17. a second pin; 18. through holes, 19, horizontal plane; 20. a vertical plane.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 5, a base is fastened by a thin water gap delayed mold opening, comprising a rear mold clamping groove 4 provided on a rear mold 2, a front mold first clamping block 5 provided on a front mold 1, and a front mold bottom plate second clamping block 6 provided on a front mold bottom plate 3, wherein the front mold first clamping block 5 is located above the front mold bottom plate second clamping block 6.

The first fixture block 5 of the front mold comprises a fixed block 9 and a movable block 10. Fixed block 9 one side is equipped with the keyhole 7 that supplies the bolt to run through, and above-mentioned bolt passes keyhole 7 and fixes the first fixture block 5 of front mould on the front mould 1, fixed block 9 opposite side is equipped with the confession the movable block 10 pivoted U type opening 11, U type opening 11 and movable block 10 all are equipped with matched with through-hole 18, movable block 10 runs through second pin 17 through-hole 18 articulates on U type opening 11, movable block 10 uses second pin 17 to freely rotate in U type opening 11 as the axle.

The movable block 10 is further provided with a first pin hole 16, the first pin 14 penetrates through the first pin hole 16, and the length of the first pin 14 is greater than that of the first pin hole 16.

One side of the front mold base plate second clamping block 6 is provided with a bolt hole 7 for a bolt to penetrate through, the bolt penetrates through the bolt hole 7 to fix the front mold base plate second clamping block 6 on the front mold base plate 3, the other side of the front mold base plate second clamping block 6 is provided with an inverted trapezoidal opening 8, and the inverted trapezoidal opening 8 is provided with an inclined plane 15, a horizontal plane 19 and a vertical plane 20. The first pin 14 slides on the inclined surface 15 and on the horizontal surface 19.

Be equipped with elastic element between fixed block 9 and the movable block 10, for convenient connection, elastic element adopts spring 12, one side of spring 12 is connected the bottom face of fixed block 9, the opposite side is connected the bottom face of movable block 10, movable block 10 is equipped with bulge 13, first pin 14 and first pin hole 16, first pin 14 runs through first pin hole 16 and is in free slip on horizontal plane 19 and inclined plane 15.

The upper end face of the protruding part 13 is an arc-shaped face, and the protruding part 13 of the arc-shaped face is more easily separated from the rear mold clamping groove 4 during secondary mold opening.

The rear die 2 is provided with a rear die clamping groove 4, and the rear die clamping groove 4 and the protruding portion 13 are mutually buckled together.

The working principle of the utility model is as follows:

in the mold opening process of the mold, a sliding distance of the first pin 14 on the horizontal plane 19 is consistent with a mold core pulling distance, because the first pin 14 does not slide to the inclined plane 15 (the mold core pulling action is not finished), the spring 12 provides the movable block 10 with an elastic force in a direction towards the rear mold clamping groove 4, so that the protruding portion 13 on the front mold 1 is always kept clamped in the rear mold clamping groove 4 of the rear mold 2, and as the first pin 14 continues to slide towards the inclined plane 15 (the mold core pulling action is finished), clamping positions of the protruding portion 13 and the rear mold clamping groove 4 are changed along with the position change of the first pin 14 on the inclined plane 15, so that the inclined plane 15 jacks up the first pin 14 to enable the protruding portion 13 of the movable block 10 to be separated from the rear mold clamping groove 4, and the mold opening action is started until the front mold 1 and the rear mold 2.

Therefore, through the mutual buckling and limiting matching of the first front mold clamping block 5, the second front mold clamping block 6 and the rear mold clamping groove 4 which are arranged on the mold, the protruding portion 13 can be separated from the rear mold clamping groove 4 (namely the mold core pulling is completed completely) to start the demolding action only after the first pin 14 is completely jacked up by the inclined surface 15, and therefore the mold is prevented from being damaged and products inside the mold core are prevented from being pulled to deform so that the products cannot be directly and smoothly demolded from the mold core.

In conclusion, the foregoing is only a preferred embodiment of the present invention, and it should be understood that numerous modifications and variations could be made in accordance with the concepts of the present invention without the use of inventive faculty, as defined by the appended claims. Therefore, all technical solutions that can be obtained through logic analysis, reasoning or limited experiments on the basis of the prior art by the concept of the present invention should belong to the coverage of the present invention.

Claims (6)

1. The utility model provides a thin mouth of a river postpones die sinking and detains base which characterized in that: including the first fixture block of back mould draw-in groove, the first fixture block of front mould and front mould bottom plate second fixture block, the first fixture block of front mould is located the top of front mould bottom plate second fixture block, the first fixture block of front mould includes fixed block, movable block, the fixed block is connected on the front mould, movable block swing joint be equipped with elastic element on the fixed block and between fixed block and the movable block, the movable block is equipped with first pin and bulge, the bulge with back mould draw-in groove buckle each other, one side of front mould bottom plate second fixture block is connected on the front mould bottom plate, and the opposite side is equipped with the opening of falling trapezoidal, the opening of falling trapezoidal is equipped with vertical face, horizontal plane and inclined plane, and first pin is in slide on horizontal plane and the inclined plane.

2. The fine nozzle delayed opening mold fastener base of claim 1, wherein: one side of the fixed block is provided with a bolt hole for a bolt to penetrate through, the bolt penetrates through the bolt hole to fix the fixed block on the front mold, and the other side of the fixed block is provided with a U-shaped opening for the movable block to rotate.

3. The fine nozzle delayed opening mold fastener base of claim 2, wherein: u type opening and movable block all are equipped with matched with through-hole, the movable block runs through the second pin the through-hole is articulated U type opening.

4. The fine nozzle delayed opening mold fastener base of claim 1, wherein: the movable block is also provided with a first pin hole, and the first pin penetrates through the first pin hole and the length of the first pin is greater than that of the first pin hole.

5. The fine nozzle delayed opening mold fastener base of claim 1, wherein: the upper end surface of the convex part is arc-shaped.

6. The fine nozzle delayed opening mold fastener base of claim 1, wherein: the elastic element is a spring, one side of the spring is connected with the bottom surface of the fixed block, and the other side of the spring is connected with the bottom surface of the movable block.