CN217670893U

CN217670893U - Slide fixing mechanism applied to injection mold

Info

Publication number: CN217670893U
Application number: CN202221369709.5U
Authority: CN
Inventors: 卢文质
Original assignee: Dg Kaibo Plastic Molding Co ltd
Current assignee: Dg Kaibo Plastic Molding Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-28
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to the technical field of molds, in particular to a slide fixing mechanism applied to an injection mold, which comprises a slide seat, wherein the front end of the slide seat is provided with an insert, the slide fixing mechanism also comprises a slide block positioned beside two sides of the slide seat, a push rod movably connected at the rear end of the slide seat and a power unit which is connected at the rear end of the push rod in a power mode and used for providing power for the push rod, a holding tank which is communicated with the rear end is arranged on the slide seat, an abutting part is formed at the rear end opening of the holding tank, the front end of the push rod extends into the holding tank, a push block is arranged at the front end of the push rod and is in sliding fit with the holding tank, and the push block can abut against the abutting part and drive the slide seat to slide along the slide block; the pressure that the mould produced the slide seat at the notes material in-process will be transferred to the slider on, because slider itself is fixed in the mould, consequently can guarantee that the mould can not move back at notes material in-process slide seat to improve the shaping quality of product greatly.

Description

Slide fixing mechanism applied to injection mold

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a be applied to injection mold's capable position fixed establishment is related to.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, multiple designs and varieties, simple and complex shapes, small and large sizes, accurate product size, easy replacement of products, capability of molding products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like; stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product. The method is suitable for mass production of parts with complex shapes, and is one of important processing methods.

The injection product needs to use a corresponding injection mold, the injection mold generally comprises a front mold, a rear mold and a mold core assembly assembled between the front mold and the rear mold, the mold core assembly is arranged according to the shape of the product, different shapes of products will have mold core assemblies matching the structure, the injection mold mainly comprises a product profiling cavity formed by combining the front mold core and the rear mold core, when some products have a groove structure, a slide mechanism is arranged to assist in forming the groove.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A slide fixing mechanism applied to an injection mold comprises a slide seat, wherein an insert is arranged at the front end of the slide seat, sliders are positioned beside two sides of the slide seat, a push rod is movably connected to the rear end of the slide seat, and a power unit is dynamically connected to the rear end of the push rod and used for providing power for the push rod; sliding holes penetrating to the front part of the accommodating groove are respectively formed beside two sides of the slide seat, locking blocks are respectively connected in the two sliding holes in a sliding manner, and clamping grooves corresponding to the locking blocks are formed in the sliding blocks; all be provided with first glide plane on ejector pad and the latch segment, make the ejector pad support behind the latch segment can make the latch segment wear out and block in the draw-in groove along the draw-in groove through the slip of first glide plane, all be provided with the second glide plane on latch segment and the draw-in groove, can make the latch segment get into the draw-in groove through the slip of second glide plane after making the tie that the latch segment breaks away from the ejector pad.

Preferably, the front part of the push block is a spreading part, the spreading part is of an isosceles trapezoid structure, the left side and the right side of the push block are first sliding surfaces, one end, abutted to the push block, of the locking block is provided with an inclined surface chamfer, and a surface corresponding to the inclined surface chamfer is the first sliding surface.

Preferably, the rear portion of the push block is a supporting portion, the supporting portion is of a square structure, two sides of the supporting portion are respectively connected and matched with two sides of the strutting portion, and two sides of the supporting portion can be in sliding butt joint between the two locking blocks.

Preferably, the clamping groove is of an isosceles trapezoid structure, one end, butted with the sliding groove, of the locking block is of an isosceles trapezoid structure matched with the clamping groove, and an inclined plane is arranged between the clamping groove and the locking block and serves as a second sliding surface.

Preferably, the power unit is an oil cylinder, and the push rod is a movable end of the oil cylinder.

Preferably, the front part of the oil cylinder is provided with a base fixed on the die, the lower part of the base is provided with a space avoiding position, a travel switch is arranged in the space avoiding position, and a contact of the travel switch is positioned at the back end of the moving position seat.

Compared with the prior art, the beneficial effects of the utility model are that:

when the die is closed, the push rod pushes the push block to push against the two locking blocks so as to drive the slide seat to complete the die closing action, when the slide seat moves to a closed position, the locking blocks are just opposite to the clamping grooves on the sliding block, at the moment, under the action of the first sliding surface, the push block can be in sliding fit with the locking blocks after abutting against the locking blocks, so that the two locking blocks are driven to extend out of the slide seat along the sliding hole direction, the locking blocks and the clamping grooves are clamped, and the sliding between the slide seat and the sliding block is limited; when the mold is opened, the push block retreats to abut against the abutting part, so that the slide seat is driven to retreat, the locking block is separated from the limit of the push block at the moment, and the slide groove and the locking block are provided with second sliding surfaces, so that the slide seat drives the locking block to separate from the slide groove when retreating; the pressure generated by the die on the slide seat in the material injection process can be transferred to the slide block, and the slide block is fixed in the die, so that the slide seat of the die can not move back in the material injection process, and the forming quality of a product is greatly improved;

sliding fit through setting up ejector pad and latch segment includes inclined plane sliding fit and straight face sliding fit, makes the ejector pad support the latch segment after, can make ejector pad and latch segment slide each other through the inclined plane, and push away the back with the latch segment through the ejector pad, the ejector pad will move between two latch segments, the rear portion through the ejector pad carries out sliding fit with the face that the latch segment is relative this moment, under this condition, inside two latch segment cards were gone into the draw-in groove, make the slide seat dead by the card can not slide.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is a schematic cross-sectional structure view in the mold closing state of the present invention;

FIG. 4 is a schematic cross-sectional view of the mold of the present invention in the open state;

fig. 5 is a schematic structural view of the middle push block and the locking block of the present invention.

The reference numerals and names in the figures are as follows:

the slide mechanism comprises a slide seat 10, a slide block 20, a push rod 30, a locking block 40, an insert 11, an accommodating groove 12, a contact part 13, a push block 14, a slide hole 15, a clamping groove 21, a power unit 31, a base 32, a travel switch 33, a first sliding surface 41, a second sliding surface 42, a spreading part 141 and a supporting part 142.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, a slide fixing mechanism for an injection mold includes a slide seat 10, an insert 11 is disposed at a front end of the slide seat 10, the slide fixing mechanism further includes a slide block 20 disposed beside two sides of the slide seat 10, a push rod 30 movably connected to a rear end of the slide seat 10, and a power unit 31 dynamically connected to a rear end of the push rod 30 and used for providing power to the push rod 30, an accommodating groove 12 penetrating through the rear end is disposed on the slide seat 10, an abutting portion 13 is formed at a rear end opening of the accommodating groove 12, a front end of the push rod 30 extends into the accommodating groove 12, a push block 14 is disposed at a front end of the push rod 30 and slidably fits with the accommodating groove 12, and the push block 14 can abut against the abutting portion 13 and drive the slide seat 10 to slide along the slide block 20; sliding holes 15 penetrating to the front part of the accommodating groove 12 are respectively formed beside two sides of the slide seat 10, locking blocks 40 are respectively connected in the two sliding holes 15 in a sliding manner, and clamping grooves 21 corresponding to the locking blocks 40 are formed in the sliding block 20; all be provided with first glide plane 41 on ejector pad 14 and the latch segment 40, make ejector pad 14 support behind the latch segment 40 can make latch segment 40 wear out and block in draw-in groove 21 along draw-in hole 15 through the slip of first glide plane 41, all be provided with second glide plane 42 on latch segment 40 and the draw-in groove 21, make latch segment 40 break away from behind the constraint of ejector pad 14 can make latch segment 40 get into draw-in hole 15 through the slip of second glide plane 42.

In the utility model, the slide fixing mechanism is used for being arranged between the front mold and the rear mold of the mold, and particularly, the slide block 20 and the power unit 31 are fixed on the mold, so that the slide seat 10 can be driven by the power unit 31 and can slide in the mold along the slide block 20, on the basis, a containing groove 12 is arranged in the slide seat 10, a push rod 30 with a push block 14 is arranged to be butted with the containing groove 12, the push rod 30 is in power connection with the power unit 31 through the push rod 30, the power unit 31 drives the push rod 30 when working, and the slide block 20 on the push rod 30 can slide in the containing groove 12; by utilizing the matching relationship of the structure, the two sides of the accommodating groove 12 are respectively provided with the locking blocks 40, the two locking blocks 40 can respectively transversely extend out of the left side and the right side of the line seat 10, the sliding block 20 is arranged on the left side and the right side of the line seat 10, and the sliding block 20 is provided with the clamping groove 21 for butting the extending locking blocks 40.

According to the technical scheme, when the mold is closed, the push rod 30 pushes the push block 14 to abut against the two locking blocks 40, so that the slide seat 10 is driven to complete the mold closing action, when the slide seat 10 moves to the closed position, the locking blocks 40 are just opposite to the clamping grooves 21 on the slide block 20, at the moment, under the action of the first sliding surface 41, the push block 14 can be in sliding fit with the locking blocks 40 after abutting against the locking blocks 40, so that the two locking blocks 40 are driven to extend out of the slide seat 10 along the direction of the sliding hole 15, and the locking blocks 40 and the clamping grooves 21 are clamped, so that the sliding between the slide seat 10 and the slide block 20 is limited; when the mold is opened, the push block 14 retreats to abut against the abutting part 13, so as to drive the traveling seat 10 to retreat, at the moment, the locking block 40 is separated from the limitation of the push block 14, and the clamping groove 21 and the locking block 40 are both provided with a second sliding surface 42, so that the locking block 40 is driven to separate from the clamping groove 21 when the traveling seat 10 retreats;

through the design, the pressure generated by the die to the slide seat 10 in the material injection process can be transferred to the sliding block 20, and the sliding block 20 is fixed in the die, so that the slide seat 10 of the die can not move back in the material injection process, and the forming quality of a product is greatly improved.

For the first sliding surface 41, the preferred embodiment of the present invention is as follows:

the front part of the pushing block 14 is a spreading part 141, the spreading part 141 is an isosceles trapezoid structure, the left and right sides of the spreading part are first sliding surfaces 41, one end of the locking block 40, which is abutted against the pushing block 14, is provided with an inclined surface chamfer, the surface corresponding to the inclined surface chamfer is the first sliding surface 41, and the slopes of the left and right sides of the spreading part 141 and the slope of the inclined surface chamfer are 45 degrees; the rear part of the push block 14 is a supporting part 142, the supporting part 142 is a square structure, two sides of the supporting part 142 are respectively engaged with two sides of the spreading part 141, and two sides of the supporting part 142 can be in sliding butt joint between the two locking blocks 40; through this design, make ejector pad 14 support behind the latch segment 40, can make ejector pad 14 and latch segment 40 slide each other through the inclined plane, and push away the back with latch segment 40 through ejector pad 14, ejector pad 14 will move to between two latch segments 40, carry out sliding fit through the rear portion of ejector pad 14 and the face that latch segment 40 is relative this moment, and under this condition, inside two latch segments 40 blocked draw-in groove 21, made slide seat 10 blocked can not slide.

For the second sliding surface 42, the preferred embodiment of the present invention is as follows: the clamping groove 21 is of an isosceles trapezoid structure, one end, butted with the sliding groove, of the locking block 40 is of an isosceles trapezoid structure matched with the clamping groove 21, and an inclined plane is arranged between the clamping groove 21 and the locking block 40 and serves as a second sliding surface 42.

Further, the power unit 31 is an oil cylinder, and the push rod 30 is a movable end of the oil cylinder; the front part of the oil cylinder is provided with a base 32 fixed on a mould, the lower part of the base 32 is provided with a clearance position 34, a travel switch 33 is arranged in the clearance position 34, and the contact of the travel switch 33 is positioned at the retreat tail end of the travel seat 10, so that the oil cylinder can be controlled to stop working after the travel seat 10 retreats to touch the travel switch 33.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A slide block positioned beside two sides of the slide seat, a push rod movably connected at the rear end of the slide seat and a power unit which is dynamically connected at the rear end of the push rod and used for providing power for the push rod are also included, an accommodating groove penetrating through the rear end is formed on the slide seat, an abutting part is formed at the rear end opening of the accommodating groove, the front end of the push rod extends into the accommodating groove, a push block is arranged at the front end of the push rod and is in sliding fit with the accommodating groove, and the push block can abut against the abutting part and drive the slide seat to slide along the slide block; sliding holes penetrating to the front part of the accommodating groove are respectively formed beside two sides of the slide seat, locking blocks are respectively connected in the two sliding holes in a sliding manner, and clamping grooves corresponding to the locking blocks are formed in the sliding blocks; all be provided with first glide plane on ejector pad and the latch segment, make the ejector pad support behind the latch segment can make the latch segment wear out and block in the draw-in groove along the sliding opening through the slip of first glide plane, all be provided with the second glide plane on latch segment and the draw-in groove, make the latch segment break away from behind the constraint of ejector pad can make the latch segment get into the sliding opening through the slip of second glide plane.

2. The slide fixing mechanism for an injection mold according to claim 1, wherein the front portion of the pushing block is a spreading portion, the spreading portion is an isosceles trapezoid structure, the left and right sides of the spreading portion are first sliding surfaces, one end of the locking block abutting against the pushing block is provided with an inclined chamfer, and a surface corresponding to the inclined chamfer is the first sliding surface.

3. The slide fixing mechanism of claim 2, wherein the rear portion of the pushing block is a supporting portion, the supporting portion is a square structure, two sides of the supporting portion are respectively engaged with two sides of the opening portion, and two sides of the supporting portion are slidably abutted between the two locking blocks.

4. The slide fixing mechanism applied to an injection mold according to claim 1, wherein the slot has an isosceles trapezoid structure, and one end of the locking block abutting against the sliding slot has an isosceles trapezoid structure matching with the slot, so that an inclined surface is provided between the slot and the locking block as a second sliding surface.

5. The slide fixing mechanism of claim 1, wherein the power unit is an oil cylinder, and the push rod is a movable end of the oil cylinder.

6. The slide fixing mechanism applied to the injection mold as claimed in claim 5, wherein a base fixed on the mold is arranged at the front part of the oil cylinder, a space avoiding position is arranged at the lower part of the base, a travel switch is arranged in the space avoiding position, and a contact of the travel switch is positioned at the back end of the slide seat.