CN212860229U

CN212860229U - Injection mold for processing hook

Info

Publication number: CN212860229U
Application number: CN202021123268.1U
Authority: CN
Inventors: 乐凯杰
Original assignee: Ningbo Aile Health Electrical Technology Co ltd
Current assignee: Ningbo Aile Health Electrical Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-04-02
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an injection mold for processing couple, including upper die base and die holder, die holder upper end mid-mounting have lower mold core, lower mold core upper end middle part is provided with the shaping arch, the bilateral symmetry that lower mold core upper end is located the protruding front portion of shaping opens there are two guide constant head tanks, the width of guide constant head tank diminishes from the past backward gradually, guide constant head tank front end runs through terminal surface before the lower mold core, the die holder upper end is located the place ahead of lower mold core and installs gliding preceding slide around, preceding slide rear end is provided with the shaping mold insert, shaping mold insert lower extreme both sides are provided with and guide constant head tank complex direction arch, left slide and right slide are installed respectively to the both sides that the die core is located down on the die holder upper end, the right-hand member of left side slide, the left end of right slide. The utility model discloses a guide constant head tank and the protruding cooperation of direction, the precision of assurance shaping mold insert die cavity that can be fine, the disqualification rate of greatly reduced product.

Description

Injection mold for processing hook

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold for processing couple.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The main factors influencing the product quality come from the structure of the die, the die is designed to be reasonable in structure, and the reject ratio of the product can be greatly reduced. The structure of couple is comparatively complicated, and it is supplementary to need longer mold insert to insert the die cavity during the shaping, and the mold insert drives through the slide, guarantees that the precision that the mold insert inserted the die cavity mainly leans on the guide rail of slide both sides, nevertheless only leans on the guide rail can have great error, is necessary to optimize corresponding mould structure.

Disclosure of Invention

The utility model aims to solve the technical problem that an injection mold for processing couple is provided, the width of guide constant head tank diminishes gradually from the past backward, and the guide constant head tank of lower die core upper end cooperates with the direction arch of shaping mold insert lower extreme, and the precision of assurance shaping mold insert die cavity that can be fine, the defective rate of greatly reduced product.

The utility model provides a technical scheme that its technical problem adopted is: provides an injection mold for processing hooks, which comprises an upper mold base and a lower mold base, wherein the middle part of the upper end of the lower mold base is provided with a lower mold core, the middle part of the upper end of the lower mold core is provided with a forming bulge, two sides of the upper end of the lower die core, which are positioned at the front part of the forming bulge, are symmetrically provided with two guiding positioning grooves, the width of the guiding positioning grooves is gradually reduced from front to back, the front end of the guiding positioning groove penetrates through the front end surface of the lower mold core, a front sliding seat which slides back and forth is arranged at the upper end of the lower mold base and is positioned in front of the lower mold core, the rear end of the front sliding seat is provided with a forming insert, two sides of the lower end of the forming insert are provided with guide bulges matched with the guide positioning grooves, and the upper end of the lower die holder is positioned on two sides of the lower die core and is respectively provided with a left sliding seat and a right sliding seat, and the right end of the left sliding seat, the left end of the right sliding seat, the forming insert and the forming bulge jointly enclose a die cavity.

As right technical scheme a supplement, the upper portion and the front portion of right slide left end all be provided with a location arch, the upper portion and the front portion of left slide right-hand member be equipped with the protruding complex location breach in location.

As right technical scheme a supplement, preceding slide, left slide and right slide all adopt oil cylinder drive.

As right technical scheme a supplement, die holder lower extreme both sides all install a die foot, gliding roof about installing between two die feet, the roof on the vertical thimble of installing a plurality of and inserting the die cavity.

As right technical scheme a supplement, last die holder middle part be provided with the gating system, this gating system links to each other with the die cavity.

As right technical scheme a supplement, upper die base lower extreme middle part be provided with the top mold insert.

As right technical scheme a supplement, the both sides of preceding slide, the both sides of left slide and the both sides of right slide all be provided with the guide rail.

Has the advantages that: the utility model relates to an injection mold for processing couple has following several advantages:

1. the width of the guide positioning groove is gradually reduced from front to back, and the guide positioning groove at the upper end of the lower die core is matched with the guide bulge at the lower end of the forming insert, so that the accuracy of inserting the forming insert into the die cavity can be well guaranteed, and the reject ratio of products is greatly reduced;

2. the location arch on right slide upper portion and the locating notch cooperation on left slide upper portion can prevent to take place the relative motion of fore-and-aft direction between right slide and the left slide, and the anterior locating arch of right slide and the anterior locating notch cooperation of left slide can prevent to take place the relative motion of direction from top to bottom between right slide and the left slide, can fully guarantee position and stability between right slide and the left slide like this.

Drawings

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

fig. 2 is a schematic structural view of the lower die holder according to the present invention;

fig. 3 is a schematic structural view of the lower mold core of the present invention;

fig. 4 is a schematic structural view of the front slide and the mold insert according to the present invention;

fig. 5 is a schematic structural view of the left and right sliding seats according to the present invention;

fig. 6 is a schematic structural view of the left slide carriage according to the present invention;

fig. 7 is a schematic structural diagram of the upper die base according to the present invention;

fig. 8 is a schematic structural view of a processed product of the present invention.

The figure is as follows: 1. the casting mold comprises an upper mold base, 2, an oil cylinder, 3, a lower mold core, 4, a lower mold base, 5, a left sliding base, 6, a right sliding base, 7, a top plate, 8, mold feet, 9, an ejector pin, 10, a forming insert, 11, a casting system, 12, a front sliding base, 13, a forming bulge, 14, a guide positioning groove, 15, a guide bulge, 16, a positioning bulge, 17, a positioning notch, 18 and a top insert.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model relates to an injection mold for processing hooks, as shown in figures 1-8, comprising an upper mold base 1 and a lower mold base 4, wherein the lower mold core 3 is arranged in the middle of the upper end of the lower mold base 4, a forming bulge 13 is arranged in the middle of the upper end of the lower mold core 3, two guide positioning grooves 14 are symmetrically arranged at the two sides of the upper end of the lower mold core 3, which is positioned at the front part of the forming bulge 13, the width of the guide positioning grooves 14 is gradually reduced from front to back, the front ends of the guide positioning grooves 14 penetrate through the front end surface of the lower mold core 3, a front sliding base 12 which slides forwards and backwards is arranged at the front part of the lower mold core 3, a forming mold insert 10 is arranged at the rear end of the front sliding base 12, guide bulges 15 matched with the guide positioning grooves 14 are arranged at the two sides of the lower end of the forming mold insert 10, a left sliding base 5 and a right sliding base 6, and a mold cavity is defined by the right end of the left slide seat 5, the left end of the right slide seat 6, the molding insert 10 and the molding bulge 13.

The guide positioning groove 14 at the upper end of the lower mold core 3 is matched with the guide bulge 15 at the lower end of the forming insert 10, so that the accuracy of inserting the forming insert 10 into the mold cavity can be well ensured, and the reject ratio of products is greatly reduced.

The upper portion and the front portion of right slide 6 left end all be provided with a location arch 16, the upper portion and the front portion of left slide 5 right-hand member be equipped with location arch 16 complex location breach 17. The protruding 16 of location on right slide 6 upper portion and the cooperation of the locating notch 17 on left slide 5 upper portion can prevent to take place the relative motion of fore-and-aft direction between right slide 6 and the left slide 5, and the protruding 16 of location of right slide 6 front portion and the cooperation of the anterior locating notch 17 of left slide 5 can prevent to take place the relative motion of direction from top to bottom between right slide 6 and the left slide 5, can fully guarantee position and stability between right slide 6 and the left slide 5 like this.

The front sliding seat 12, the left sliding seat 5 and the right sliding seat 6 are all driven by the oil cylinder 2.

The die comprises a lower die base 4 and is characterized in that die feet 8 are arranged on two sides of the lower end of the lower die base 4, a top plate 7 which slides up and down is arranged between the two die feet 8, and a plurality of ejector pins 9 which are inserted into a die cavity are vertically arranged on the top plate 7.

And a pouring system 11 is arranged in the middle of the upper die holder 1, and the pouring system 11 is connected with the die cavity.

The middle part of the lower end of the upper die base 1 is provided with a top insert 18, and the top insert 18 and the upper die base 1 are fixed by screws.

And guide rails are arranged on two sides of the front sliding seat 12, two sides of the left sliding seat 5 and two sides of the right sliding seat 6.

Claims

1. The utility model provides an injection mold for processing couple, includes upper die base (1) and die holder (4), die holder (4) upper end mid-mounting have lower mold core (3), its characterized in that: the mold comprises a lower mold core (3), a forming bulge (13) is arranged in the middle of the upper end of the lower mold core (3), two guide positioning grooves (14) are symmetrically formed in two sides of the upper end of the lower mold core (3) positioned at the front part of the forming bulge (13), the width of each guide positioning groove (14) is gradually reduced from front to back, the front ends of the guide positioning grooves (14) penetrate through the front end surface of the lower mold core (3), a front sliding seat (12) which slides forwards and backwards is arranged in front of the lower mold core (3) at the upper end of a lower mold seat (4), a forming insert (10) is arranged at the rear end of the front sliding seat (12), guide bulges (15) matched with the guide positioning grooves (14) are arranged on two sides of the lower end of the lower mold core (3), a left sliding seat (5) and a right sliding seat (6) are respectively arranged on two sides of the upper end of the lower mold core (4, The molding insert (10) and the molding protrusion (13) jointly enclose a mold cavity.

2. An injection mold for processing a hook according to claim 1, wherein: the upper portion and the front portion of right slide (6) left end all be provided with a location arch (16), the upper portion and the front portion of left slide (5) right-hand member be equipped with location arch (16) complex location breach (17).

3. An injection mold for processing a hook according to claim 1, wherein: the front sliding seat (12), the left sliding seat (5) and the right sliding seat (6) are driven by the oil cylinder (2).

4. An injection mold for processing a hook according to claim 1, wherein: die feet (8) are installed on two sides of the lower end of the lower die seat (4), a top plate (7) which slides up and down is installed between the two die feet (8), and a plurality of ejector pins (9) inserted into the die cavity are vertically installed on the top plate (7).

5. An injection mold for processing a hook according to claim 1, wherein: and a pouring system (11) is arranged in the middle of the upper die base (1), and the pouring system (11) is connected with the die cavity.

6. An injection mold for processing a hook according to claim 1, wherein: the middle part of the lower end of the upper die holder (1) is provided with a top insert (18).

7. An injection mold for processing a hook according to claim 1, wherein: and guide rails are arranged on two sides of the front sliding seat (12), two sides of the left sliding seat (5) and two sides of the right sliding seat (6).