CN215661597U

CN215661597U - Prevent slider location structure of cover half insert fracture

Info

Publication number: CN215661597U
Application number: CN202120925116.1U
Authority: CN
Inventors: 孙徐州
Original assignee: Qingdao Luomaite Industrial Equipment Co ltd
Current assignee: Qingdao Luomaite Industrial Equipment Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-28
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a sliding block positioning structure for preventing a cover half insert from cracking, which comprises a cover half insert, a loose core and a sliding block, wherein an L-shaped through groove is formed above the side wall of the cover half insert, a threaded hole is formed in the side wall of the L-shaped through groove, a bolt matched with the threaded hole is in threaded connection with the side wall of the sliding block, the bolt is inserted into the threaded hole, two first grooves are formed in the inner wall of the threaded hole, two first sliding plates are in sliding connection with the inner walls of the two first grooves, the side walls, far away from each other, of the two first sliding plates are in elastic connection with the inner walls of the first grooves through first springs, and a clamping groove matched with the sliding block is formed in the lower end of the loose core. According to the utility model, the core pulling is firstly in collision contact with the sliding block, so that the extrusion of the core pulling on the material sealing surface of the fixed die insert is reduced, and meanwhile, during core pulling installation, the extrusion force of the core pulling on the material sealing surface of the fixed die insert can be buffered under the action of the second spring and the elastic bulge, so that the service life of the fixed die insert is prolonged.

Description

Prevent slider location structure of cover half insert fracture

Technical Field

The utility model relates to the technical field of dies, in particular to a sliding block positioning structure for preventing a fixed die insert from cracking.

Background

The insert is a part forming the whole structure of the mold, namely, in the injection mold, some cores and female molds cannot be processed through one-step molding and need to be manufactured by combining and embedding several inserts, and when the injection mold performs injection molding, an injection molded product cannot be directly separated from the injection mold, and then core pulling treatment needs to be performed on the injection molded product.

Present loose core is handled and is all removed locking by the injection molding machine for the clamping force of injection molding machine can be passed to other important spare parts by the surface of material that seals of the front end of loosing core on will doing all can, and then along with injection mold to the continuous production of product, injection mold intensity constantly descends, and then can lead to the damage of important part, thereby influences the normal production of product.

Based on the structure, the utility model provides a sliding block positioning structure for preventing a fixed die insert from cracking.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a sliding block positioning structure for preventing a fixed die insert from cracking.

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

the utility model provides a prevent that cover half inserts slider location structure of fracture, includes the cover half and inserts, looses core and slider, the cover half is inserted lateral wall top and is seted up L type and led to the groove, L type leads to the groove lateral wall and sets up threaded hole, slider lateral wall threaded connection have with screw hole complex bolt, the bolt inserts threaded hole, two first recesses, two are seted up to the screw hole inner wall first recess inner wall sliding connection has two first slides, two the lateral wall that first slide kept away from each other passes through first spring and first recess inner wall elastic connection, loose core the lower extreme and set up slider complex draw-in groove, loose core and be close to the lateral wall that the cover half was inserted and seted up the second recess, install in the second recess and carry out the buffer gear that cushions to the extrusion force of loosing core and between the cover half is inserted.

Preferably, the buffer mechanism comprises a second sliding plate which is slidably connected to the inner wall of the second groove, and the side wall of the second sliding plate is elastically connected with the inner wall of the second groove through a second spring.

Preferably, the side wall of the second sliding plate far away from the second spring is fixedly connected with a plurality of elastic protrusions, and the side wall of each elastic protrusion is provided with anti-skid grains.

Preferably, a third groove is formed in the lower end of the L-shaped through groove, a supporting plate is connected to the inner wall of the third groove in a sliding mode, and the lower end of the supporting plate is elastically connected with the bottom in the third groove through a third spring.

Preferably, the first spring, the second spring and the third spring are all made of stainless steel materials.

Preferably, the side walls of the two first sliding plates, which are close to each other, are provided with threads matched with the side walls of the bolts.

The utility model has the following beneficial effects:

1. by arranging the sliding block, the clamping groove, the second sliding plate, the second spring and the elastic bulge, when the core pulling is installed, the core pulling is firstly in collision contact with the sliding block through the clamping groove, so that the extrusion of the core pulling on the material sealing surface of the fixed die insert is reduced, and meanwhile, when the core pulling is installed, the extrusion force of the core pulling on the material sealing surface of the fixed die insert can be buffered under the action of the second spring and the elastic bulge, so that the service life of the fixed die insert is prolonged;

2. through setting up first slide, first spring, backup pad and third spring, when the slider received the extrusion and vibrations, first spring and third spring can cushion the power that receives on slider and the bolt this moment, avoid the bolt to receive extrusion vibrations back fracture for bolt part card is established in the threaded hole, leads to taking out the difficulty to the bolt.

Drawings

FIG. 1 is a schematic structural view of a slide block positioning structure for preventing a fixed die insert from cracking, which is provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: the die comprises a fixed die insert 1, a loose core 2, a sliding block 3, a threaded hole 4, a bolt 5, a first groove 6, a first sliding plate 7, a first spring 8, a third groove 9, a supporting plate 10, a third spring 11, a clamping groove 12, a second groove 13, a second sliding plate 14, an elastic bulge 15, a second spring 16 and a through groove 17L.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a slide block positioning structure for preventing a fixed die insert from cracking comprises a fixed die insert 1, loose core 2 and slider 3, cover half insert 1 lateral wall top seted up the L type and led to the groove 17, the L type leads to the groove 17 lateral wall and seted up threaded

hole

4, 3 lateral wall threaded connection of slider have with threaded hole 4 complex bolt 5, bolt 5 inserts in the threaded hole 4, two first recesses 6 have been seted up to the 4 inner walls of threaded hole, two first recess 6 inner walls sliding connection have two first slides 7, the lateral wall that two first slides 7 kept away from each other is through first spring 8 and 6 inner wall elastic connection of first recess, 2 lower extremes of loosing core seted up slider 3 complex draw-in

grooves

12, 2 loose core is close to the lateral wall that the cover half insert 1 and has been seted up second recess 13, install the buffer gear who cushions the extrusion force between 2 of loosing core and the cover half insert 1 in the second recess 13.

The buffer mechanism comprises a second sliding plate 14 which is connected with the inner wall of the second groove 13 in a sliding way, and the side wall of the second sliding plate 14 is elastically connected with the inner wall of the second groove 13 through a second spring 16.

The side wall of the second sliding plate 14 far away from the second spring 16 is fixedly connected with a plurality of elastic protrusions 15, and the side wall of the plurality of elastic protrusions 15 is provided with anti-skid grains.

Further, under the elastic action of the second spring 16 and the elastic protrusions 15, the extrusion force of the loose core 2 on the material sealing surface of the fixed die insert 1 can be buffered, and the service life of the fixed die insert 1 is further prolonged.

Third recess 9 has been seted up to the logical groove 17 lower extreme of L type, and third recess 9 inner wall sliding connection has a backup pad 10, and backup pad 10 lower extreme passes through third spring 11 and the interior bottom elastic connection of third recess 9.

It should be noted that, because its extrusion force and vibrations are great when injection mold uses for the extrusion force and the vibrations that slider 3 and bolt 5 received are also great, and then bolt 5 is in this kind of environment for a long time, make bolt 5 and screw hole 4's junction fracture easily, make bolt 5 part card in screw hole 4, lead to taking out the difficulty to it, and then set up first spring 8 and third spring 11, can cushion by the power that receives on the bolt 5, prolong its life.

The first spring 8, the second spring 16 and the third spring 11 are all made of stainless steel materials.

The lateral wall that two first slides 7 are close to each other has been seted up with 5 lateral walls complex screw threads of bolt for bolt 5 can be stable insert threaded hole 4 in, and then carry out stable fixed to slider 3.

In the utility model, when the core pulling 2 is installed, the clamping groove 12 arranged at the lower end of the core pulling 2 is directly clamped in the sliding block 3, so that the core pulling 2 is firstly in collision contact with the sliding block 3, the extrusion force of the fixed die insert 1 on the sealing surface is further reduced when the core pulling 2 is installed, and meanwhile, when the core pulling 2 is installed, the second sliding plate 14 can elastically extrude the sealing surface of the fixed die insert 1 under the action of the second spring 16 and the elastic bulge 15, so that the extrusion force of the core pulling 2 on the sealing surface of the fixed die insert 1 can be buffered, and the service life of the fixed die insert 1 is further prolonged;

when injection mold uses the during operation, the extrusion force that slider 3 and bolt 5 received this moment is great with vibrations, and then under first spring 8's effect, and first slide 7 can carry out elastic contact to bolt 5, and under third spring 11's effect, backup pad 10 can carry out elastic support to slider 3, and then first spring 8 and third spring 11 can cushion the power that receives on bolt 5, prevent its fracture, and then prolong its life.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A sliding block positioning structure for preventing a fixed die insert from cracking comprises a fixed die insert (1), a loose core (2) and a sliding block (3), and is characterized in that an L-shaped through groove (17) is formed in the upper portion of the side wall of the fixed die insert (1), a threaded hole (4) is formed in the side wall of the L-shaped through groove (17), a bolt (5) matched with the threaded hole (4) is in threaded connection with the side wall of the sliding block (3), the bolt (5) is inserted into the threaded hole (4), two first grooves (6) are formed in the inner wall of the threaded hole (4), two first sliding plates (7) are in sliding connection with the inner wall of each first groove (6), the mutually far side walls of the two first sliding plates (7) are in elastic connection with the inner wall of each first groove (6) through first springs (8), and a clamping groove (12) matched with the sliding block (3) is formed in the lower end of the loose core (2), a second groove (13) is formed in the side wall, close to the fixed die insert (1), of the loose core (2), and a buffer mechanism for buffering the extrusion force between the loose core (2) and the fixed die insert (1) is installed in the second groove (13).

2. A slide positioning structure for preventing a fixed die insert from cracking as claimed in claim 1, wherein the buffering mechanism comprises a second slide plate (14) slidably connected to the inner wall of the second groove (13), and the side wall of the second slide plate (14) is elastically connected with the inner wall of the second groove (13) through a second spring (16).

3. The slide block positioning structure for preventing the fixed die insert from cracking as claimed in claim 2, wherein a plurality of elastic bulges (15) are fixedly connected to the side wall of the second slide plate (14) far away from the second spring (16), and anti-skid threads are formed on the side walls of the plurality of elastic bulges (15).

4. The slide block positioning structure for preventing the fixed die insert from cracking as claimed in claim 3, wherein a third groove (9) is formed at the lower end of the L-shaped through groove (17), a support plate (10) is slidably connected to the inner wall of the third groove (9), and the lower end of the support plate (10) is elastically connected with the bottom in the third groove (9) through a third spring (11).

5. The slide positioning structure for preventing the fixed die insert from cracking as claimed in claim 4, wherein the first spring (8), the second spring (16) and the third spring (11) are all made of stainless steel materials.

6. The slide block positioning structure for preventing the fixed die insert from cracking as claimed in claim 1, wherein the side walls of the two first sliding plates (7) close to each other are provided with threads matched with the side walls of the bolt (5).