CN212312556U

CN212312556U - Metal insert position control mechanism in automobile door latch assembly mold

Info

Publication number: CN212312556U
Application number: CN202020432283.8U
Authority: CN
Inventors: 倪正中
Original assignee: Taizhou Zhongrui Electronics Co ltd
Current assignee: Taizhou Zhongrui Electronics Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-08
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a metal insert position control mechanism in car latch subassembly mould, the technical essential lies in, position control mechanism includes spring clamp, spring clamp fixes in the back template bottom, the top that lies in spring clamp in the back template is equipped with mobilizable mold insert push pedal, be connected with the spring between mold insert push pedal and the spring clamp, be equipped with two mold insert bracing pieces that can be at back template and the interior activity of back mould benevolence in the mold insert push pedal, it bumps and wears the mold insert to correspond two mobilizable back moulds in the back mould benevolence, the lower extreme that the mold insert was bumped to the back mould contacts with the upper end of mold insert bracing piece, the back mould bumps the upper end of wearing the mold insert and stretches into the mould intracavity and. The utility model can solve the problem that the size NG of the product sealing glue and the appearance generate flash due to the different sizes of different batches of the product metal inserts; the structure of the die is more stable, the die is less damaged by pressure injury, and the die assembly and maintenance cost is reduced; can improve the production qualification rate and reduce the injection molding production cost.

Description

Metal insert position control mechanism in automobile door latch assembly mold

Technical Field

The utility model relates to the technical field of mold, in particular to metal insert position control mechanism in car door latch subassembly mould.

Background

Automobile door bolt subassembly is including being located inside metal insert and the plastic housing who wraps up metal insert, and in process of production, metal insert can be different because its size of batch difference, bumps in current mould and wears the insert and generally be fixed knot structure, can't bump the position of wearing of insert according to metal insert's actual size self-adjustment, and precision is poor, leads to the product to seal to glue size NG and outward appearance production overlap easily.

Disclosure of Invention

To the deficiency in the prior art, an object of the utility model is to provide a metal insert position control mechanism in car door latch subassembly mould sets up metal insert position mechanism between back template and back mould benevolence and generally is fixed knot structure in order to solve current bumping wearing the mold insert, can't bump the position of wearing of mold insert according to metal insert's actual size self-adjustment, and precision is poor, leads to the product to seal glue size NG and outward appearance to produce the overlap scheduling problem easily.

The utility model discloses a following technical scheme realizes: a position control mechanism for a metal insert in an automobile door latch component mould comprises a front template, a front mould core, a rear template, mould feet and a lower fixing plate which are arranged from top to bottom, a plurality of die cavities formed by matching the front die core and the rear die core are internally provided with automobile latch components of which the metal inserts are wrapped by the injection molding shell, the position control mechanism comprises a spring pressure plate which is fixed at the bottom of the rear template, a movable insert push plate is arranged above the spring pressure plate in the rear template, a spring is connected between the insert push plate and the spring pressure plate, two insert support rods which can move in the rear template and the rear mold core are arranged on the insert push plate, the rear mold comprises a rear mold core, a rear mold supporting rod, a rear mold touch-through insert, a mold cavity and a metal insert, wherein the rear mold core is provided with two movable rear mold touch-through inserts, the lower end of the rear mold touch-through insert is in contact with the upper end of the insert supporting rod, and the upper end of the rear mold touch-through insert extends into the mold cavity and is in contact with the bottom of the metal insert.

In the position control mechanism for the metal insert in the automobile door latch assembly mold, the diameter of one rear mold through-collision insert is smaller than that of the other rear mold through-collision insert.

In the position control mechanism for the metal insert in the automobile door latch assembly mold, the rear mold collision penetrating insert comprises a round rod part and a hanging table part positioned at the lower end of the round rod part, and the upper end of an insert supporting rod is in contact with the bottom of the hanging table part.

In the position control mechanism for the metal insert in the automobile door latch assembly mold, a first sliding groove is formed in the rear mold core from the bottom to the top, and the hanging part is movably arranged in the first sliding groove; the back mould core is also internally provided with a second sliding groove communicated with the first sliding groove and the mould cavity, and the round rod part is movably arranged in the second sliding groove.

In the position control mechanism for the metal insert in the automobile door latch assembly mold, the top area of the insert supporting rod is smaller than the bottom area of the corresponding hanger part.

In the metal insert position control mechanism in the automobile door latch assembly mold, a fixing groove is formed in the rear mold plate from the bottom upwards, and the spring pressing plate is arranged in the fixing groove and fixedly connected to the rear mold plate through screws.

In the position control mechanism for the metal insert in the automobile door latch assembly mould, a floating groove communicated with the fixing groove is formed in the rear mould plate, and the insert push plate and the spring are located in the floating groove.

In the position control mechanism for the metal insert in the automobile door latch assembly mold, a guide groove for communicating the floating groove with the first sliding groove is formed in the rear mold plate, and the insert supporting rod is movably arranged in the guide groove.

Compared with the prior art, the utility model profitable effect is: the utility model discloses a mechanical structure is utilized, the collision-wearing mode of the product metal insert is changed into a movable insert, and the deformation space of the spring is utilized to enable the collision-wearing insert to automatically adjust the collision-wearing position of the insert according to the actual size of the product insert, so that the problems of NG of the product sealing size and flashing of the appearance caused by different batches of sizes of the product metal insert can be solved; the structure of the die is more stable, the die is less damaged by pressure injury, and the die assembly and maintenance cost is reduced; can improve the production qualification rate and reduce the injection molding production cost.

Drawings

Fig. 1 is a schematic view of the assembly of an embodiment of the present invention in a mold;

fig. 2 is a schematic structural view of the rear mold core and the rear mold plate according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a position control mechanism according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, the embodiment provides a position control mechanism for a metal insert in an automobile latch assembly mold, the mold comprises a front mold plate 1, a front mold core 2, a rear mold core 3, a rear mold plate 4, mold feet 5 and a lower fixing plate 6 which are arranged from top to bottom, an automobile latch assembly 7 in which a metal insert 71 is wrapped by an injection molding shell 72 is arranged in a plurality of mold cavities formed by matching the front mold core 2 and the rear mold core 3, the position control mechanism comprises a spring pressing plate 8, the spring pressing plate 8 is fixed at the bottom of the rear mold plate 4, a movable insert pushing plate 9 is arranged above the spring pressing plate 8 in the rear mold plate 4, a spring 10 is connected between the insert pushing plate 9 and the spring pressing plate 8, two insert supporting rods 11 which can move in the rear mold plate 4 and the rear mold core 3 are arranged on the insert pushing plate 9, two movable rear mold collision penetrating inserts 12 are arranged in the corresponding rear mold core 3, the lower end of the rear mold collision penetrating insert, the upper end of the rear mold punch-through insert 12 extends into the mold cavity and contacts the bottom of metal insert 71. The metal insert 71 of the product is placed in the rear mold core 3, the spring 10 pushes the insert push plate 9 and the insert support rod 11, and upward force is applied to the rear mold collision insert 12, so that the rear mold collision insert 12 always supports the metal insert 71, and the dimensional tolerance of the metal insert of the product is absorbed.

The diameter of one of the rear mold punch-through inserts 12 is smaller than the diameter of the other rear mold punch-through insert 12. The diameter of the post-mold through-mold insert 12 is set according to the actual size of the product through-mold hole.

The rear mold punch insert 12 includes a round rod portion 121 and a hanging table portion 122 located at a lower end of the round rod portion 121, and an upper end of the insert support rod 11 is in contact with a bottom of the hanging table portion 122. A first sliding groove 31 is formed in the rear mold core 3 from the bottom to the top, and the hanging table portion 122 is movably arranged in the first sliding groove 31; the back mold core 3 is further provided with a second chute 32 communicating the first chute 31 and the mold cavity, and the round rod part 121 is movably arranged in the second chute 32. The top area of the insert support rod 44 is smaller than the bottom area of the table portion 122. The rear mold piercing insert 12 and the insert support rod 11 are arranged as described above, so that the rear mold piercing insert 12 is ensured to always support the metal insert 71.

A fixing groove 41 is formed in the rear template 4 from the bottom upwards, and the spring pressing plate 8 is arranged in the fixing groove 41 and fixedly connected to the rear template 4 through a screw 42. Spring clamp 8 is as above-mentioned setting, dismantles simple to operate, and firm in connection is reliable.

The rear template 4 is internally provided with a floating groove 43 communicated with the fixed groove 41, and the insert push plate 9 and the spring 10 are positioned in the floating groove 43. The insert push plate 9 and the spring 10 are arranged as above, so that the structure is simple, and the moving process is smooth. In detail, the elastic force of the spring 10 should be selected as large as possible.

A guide groove 44 for communicating the floating groove 43 with the first slide groove 31 is formed in the rear mold plate 4, and the insert support rod 11 is movably disposed in the guide groove 44. The insert supporting rod 11 is arranged as described above, so that it can move along the guiding groove 44 under the pushing of the insert pushing plate 9, and the moving direction is ensured, thereby avoiding the influence on the post-mold collision and the insert 12 penetration.

The utility model discloses a motion process as follows: before injection molding, the metal insert 71 is placed on the rear mold core 3, the rear mold collision penetrating insert 12 can support the metal insert 71 under the action of the spring 10 and enable the metal insert 71 to be higher than the position where the actual insert needs to be placed, when mold closing is carried out, the collision penetrating surface of the front mold core 2 is in contact with the metal insert 71 under the action of mold closing force, and the metal insert 71, the rear mold collision penetrating insert 12, the insert supporting rod 11 and the insert push plate 9 are automatically adjusted to the actual required position according to the actual size of the metal insert 71.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A metal insert position control mechanism in an automobile latch component mould comprises a front template, a front mould core, a rear template, mould feet and a lower fixing plate which are arranged from top to bottom, wherein the front mould core and the rear mould core are matched to form a plurality of mould cavities, the automobile latch component of which the metal insert is wrapped by an injection molding shell is arranged in each mould cavity, the position control mechanism comprises a spring pressing plate, the spring pressing plate is fixed at the bottom of the rear template, a movable insert pushing plate is arranged in the rear template and positioned above the spring pressing plate, a spring is connected between the insert pushing plate and the spring pressing plate, two insert supporting rods which can move in the rear template and the rear mould core are arranged on the insert pushing plate, two movable rear mould touch-through inserts are arranged in the corresponding rear mould core, the lower ends of the rear mould touch-through inserts are contacted with the upper ends of the, the upper end of the rear mold touch penetrating insert extends into the mold cavity and is in contact with the bottom of the metal insert.

2. The automotive door latch assembly mold metal insert position control mechanism as claimed in claim 1 wherein one of the rear pop inserts has a diameter that is smaller than the diameter of the other rear pop insert.

3. The position control mechanism for a metal insert in a mold for an automobile door latch assembly according to claim 2, wherein the rear mold punch insert includes a round bar portion and a table portion at a lower end of the round bar portion, and an upper end of the insert support bar is in contact with a bottom of the table portion.

4. The mechanism of claim 3, wherein a first slot is formed in the rear mold core from the bottom upward, and the mount is movably disposed in the first slot; the back mould core is also internally provided with a second sliding groove communicated with the first sliding groove and the mould cavity, and the round rod part is movably arranged in the second sliding groove.

5. The automotive door latch assembly mold metal insert position control mechanism according to claim 4, wherein a top area of the insert support bar is smaller than a bottom area of the corresponding hanger portion.

6. The mechanism of claim 5, wherein a retaining groove is formed in the rear mold plate from the bottom upward, and the spring plate is disposed in the retaining groove and is fixedly attached to the rear mold plate by screws.

7. The automotive door latch assembly mold metal insert position control mechanism according to claim 6, wherein the rear mold plate has a float groove therein communicating with a fixed groove, the insert push plate and the spring being located in the float groove.

8. The mechanism of claim 7, wherein the rear mold plate includes a guide slot that communicates the float slot with the first slide slot, and the insert support rod is movably disposed in the guide slot.