CN218139547U

CN218139547U - Hot runner thin-wall injection mold for multifunctional test pencil

Info

Publication number: CN218139547U
Application number: CN202221794312.0U
Authority: CN
Inventors: 杨云飞
Original assignee: Dongguan Maituopu Plastic Mould Technology Co ltd
Current assignee: Dongguan Maituopu Plastic Mould Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-12-27
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to a test pencil production technical field especially relates to a multi-functional test pencil hot runner thin wall injection mold, including the sleeve, two collets of lower extreme fixedly connected with of sleeve outer wall, the fixed solid fixed ring that has cup jointed in telescopic upper end, two pairs of draw runners of solid fixed ring's bottom surface fixedly connected with, telescopic outer wall are provided with demoulding mechanism, solid fixed ring's upper end fixedly connected with screw ring, and the interior anchor ring of screw ring is the helicoid, and the internal thread of screw ring has cup jointed the plectane, the mid portion fixedly connected with connecting rod of plectane. The utility model discloses a sprue on sleeve surface pours into the material into to the clearance between sleeve and the cylinder and carries out the shaping, behind the injection moulding, through rotating the bottom plate for the inserted bar breaks away from the nest block, makes the bottom plate can separate with the sleeve, and the slider slides along the spout, makes the work piece in the sleeve can accomplish the drawing of patterns, compares and divide into the mode that two lamellas carried out the drawing of patterns with the mould, has effectively avoided the workpiece surface to appear connecting the vestige, has improved quality and pleasing to the eye degree.

Description

Hot runner thin-wall injection mold for multifunctional test pencil

Technical Field

The utility model relates to a test pencil production technical field especially relates to a multi-functional test pencil hot runner thin wall injection mold.

Background

The hot runner thin wall of the multifunctional test pencil is produced and molded through the injection mold in the processing and production process, but the common mold is divided into two parts when being demolded, and the mold can leave strip-shaped connecting traces on the surface of a workpiece to influence the quality and needs a subsequent polishing process, so that the hot runner thin wall injection mold of the multifunctional test pencil is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a multi-functional test pencil hot runner thin wall injection mold.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a multi-functional test pencil hot runner thin wall injection mold, includes the sleeve, two cover blocks of lower extreme fixedly connected with of sleeve outer wall, the fixed cover in telescopic upper end has connect solid fixed ring, gu two pairs of draw runners of fixed ring's bottom surface fixedly connected with, the same spout has all been seted up to the opposite face to above-mentioned draw runner, telescopic outer wall is provided with demoulding mechanism, gu fixed ring's upper end fixedly connected with screw ring, the interior anchor ring of screw ring is the helicoid, the internal thread of screw ring has cup jointed the plectane, the mid portion fixedly connected with connecting rod of plectane.

As a preferred technical scheme of the utility model, the bottom surface fixedly connected with cylinder of plectane, the cylinder cup joints and axle center collineation with the sleeve activity.

As a preferred technical scheme of the utility model, demoulding mechanism includes bottom plate and two slide bars, every two sliders of the equal fixedly connected with in upper end of slide bar, spout activity joint on slider and the draw runner, two the lower extreme fixedly connected with snap ring of slide bar.

As a preferred technical scheme of the utility model, the snap ring is protruding type snap ring, the ring-shaped groove has been seted up to the face of fitting with a contraceptive ring of bottom plate, the mobile joint of ring-shaped groove and snap ring, two riser of the face of fitting with a contraceptive ring of bottom plate still two fixedly connected with, two the equal fixedly connected with inserted bar in upper end of riser.

As an optimal technical scheme of the utility model, two the inserted bar can cup joint with two collets activities respectively, bottom plate and sleeve lower extreme are hugged closely when collets cup joint with the inserted bar activity.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. can carry out the shaping to the clearance injection material between sleeve and the cylinder through the sprue on sleeve surface, behind the injection moulding, through rotating the bottom plate, make the inserted bar break away from the cover block, make the bottom plate can separate with the sleeve, the slider slides along the spout, make the drawing of patterns can be accomplished to the work piece in the sleeve, compare and divide into two lamellas with the mould and carry out the mode of drawing of patterns, effectively avoided the work piece surface to appear connecting the vestige, improved quality and pleasing to the eye degree, need not follow-up polishing again.

2. Through rotating the plectane for the plectane can separate with the sleeve, is convenient for change the cylinder of different diameters as required, has improved the suitability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the middle sleeve of the present invention;

FIG. 3 is a schematic structural view of the middle bottom plate of the present invention;

fig. 4 is an enlarged schematic structural view of a in fig. 3 according to the present invention.

Wherein: 1. a sleeve; 2. a base plate; 3. sleeving a block; 4. a slide bar; 5. a threaded ring; 6. a fixing ring; 7. a cylinder; 8. a circular plate; 9. a connecting rod; 10. a slide bar; 11. a slider; 13. a snap ring; 14. a vertical sheet; 15. inserting a rod; 16. an annular groove.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a multifunctional test pencil hot runner thin-wall injection mold comprises a sleeve 1, wherein two sleeve blocks 3 are fixedly connected to the lower end of the outer wall of the sleeve 1, a fixing ring 6 is fixedly sleeved on the upper end of the sleeve 1, and is in threaded sleeve connection with a threaded ring 5 through a circular plate 8, so that the lower end of a cylinder 7 is abutted against a bottom plate 2, and a gap between the cylinder 7 and the sleeve 1 is uniform, at the moment, a material can be injected into the gap between the sleeve 1 and the cylinder 7 through a filling opening on the surface of the sleeve 1 for molding, after injection molding, an insertion rod 15 is separated from the sleeve blocks 3 by rotating the bottom plate 2, so that the bottom plate 2 can be separated from the sleeve 1, a sliding block 11 slides along a sliding groove, so that a workpiece in the sleeve 1 can be demolded, compared with a mode of dividing the mold into two parts for demolding, connection marks on the surface of the workpiece are effectively avoided, the quality and the aesthetic degree are improved, the circular plate 8 can be separated from the sleeve 1 by rotating the circular plate 8, the cylinders 7 with different diameters can be conveniently replaced according to requirements, the applicability is improved, the bottom surface of the fixing ring 6 is fixedly connected with two pairs of slide bars 4, the opposite surfaces of the slide bars 4 are provided with sliding grooves, the outer wall of the sleeve 1 is provided with a demoulding mechanism, the upper end of the fixing ring 6 is fixedly connected with a threaded ring 5, the inner annular surface of the threaded ring 5 is a threaded surface, the circular plate 8 is sleeved in the threaded ring 5 in a threaded manner, the middle part of the circular plate 8 is fixedly connected with a connecting rod 9, the bottom surface of the circular plate 8 is fixedly connected with the cylinder 7, the cylinder 7 is movably sleeved with the sleeve 1 and the axle center is collinear, the demoulding mechanism comprises a bottom plate 2 and two slide bars 10, and the upper end of each slide bar 10 is fixedly connected with two slide blocks 11, the sliding blocks 11 are movably clamped with the sliding grooves in the sliding strips 4, and the lower ends of the two sliding rods 10 are fixedly connected with clamping rings 13;

the snap ring 13 is protruding type snap ring, the last ring surface of bottom plate 2 has seted up annular groove 16, the movable joint of annular groove 16 and snap ring 13, the last ring surface of bottom plate 2 is two riser 14, two of fixedly connected with in the upper end of riser 14 equal fixedly connected with inserted bar 15, two inserted bar 15 can cup joint with two cover block 3 activities respectively, bottom plate 2 hugs closely with 1 lower extreme of sleeve when sleeve block 3 cup joints with the activity of inserted bar 15.

The working principle is as follows: when using, the screw through plectane 8 and screw ring 5 cup joints, make the lower extreme and the bottom plate 2 of cylinder 7 support tightly, make the clearance between cylinder 7 and the sleeve 1 even, can inject the material through the sprue on sleeve 1 surface to the clearance between sleeve 1 and the cylinder 7 this moment and carry out the shaping, after injection moulding, through rotating bottom plate 2, make inserted bar 15 break away from sleeve piece 3, make bottom plate 2 can separate with sleeve 1, slider 11 slides along the spout, make the work piece in the sleeve 1 can accomplish the drawing of patterns, compare and divide into the mode that two lamellas carried out the drawing of patterns with the mould, effectively avoided the work piece surface to appear connecting the vestige, quality and pleasing to the eye degree have been improved, through rotating plectane 8, make plectane 8 can separate with sleeve 1, be convenient for change the cylinder 7 of different diameters according to the demand, the suitability has been improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The multifunctional test pencil hot runner thin-wall injection mold comprises a sleeve (1) and is characterized in that the lower end of the outer wall of the sleeve (1) is fixedly connected with two sleeve blocks (3), the upper end of the sleeve (1) is fixedly sleeved with a fixing ring (6), the bottom surface of the fixing ring (6) is fixedly connected with two pairs of sliding strips (4), and the opposite surfaces of the same pair of sliding strips (4) are provided with sliding grooves;

and the outer wall of the sleeve (1) is provided with a demoulding mechanism.

2. The hot runner thin-wall injection mold of the multifunctional test pencil according to claim 1, wherein the upper end of the fixing ring (6) is fixedly connected with a threaded ring (5), the inner ring surface of the threaded ring (5) is a threaded surface, a circular plate (8) is sleeved in the threaded ring (5) through internal threads, and a connecting rod (9) is fixedly connected to the middle part of the circular plate (8).

3. The hot runner thin-wall injection mold of the multifunctional test pencil according to claim 2, wherein a cylinder (7) is fixedly connected to the bottom surface of the circular plate (8), the cylinder (7) is movably sleeved with the sleeve (1), and the axis of the cylinder is collinear.

4. The hot runner thin-wall injection mold of the multifunctional test pencil according to claim 3, wherein the demolding mechanism comprises a bottom plate (2) and two sliding rods (10), the upper end of each sliding rod (10) is fixedly connected with two sliding blocks (11), the sliding blocks (11) are movably clamped with sliding grooves in the sliding strips (4), and the lower ends of the two sliding rods (10) are fixedly connected with clamping rings (13).

5. The hot runner thin-wall injection mold for the multifunctional test pencil according to claim 4, wherein the clamping ring (13) is a convex clamping ring, an annular groove (16) is formed in the upper annular surface of the base plate (2), the annular groove (16) is movably clamped with the clamping ring (13), the upper annular surface of the base plate (2) is further fixedly connected with two vertical pieces (14), and the upper ends of the two vertical pieces (14) are both fixedly connected with the insertion rod (15).

6. The hot runner thin-wall injection mold of the multifunctional test pencil according to claim 5, wherein the two insertion rods (15) are movably sleeved with the two sleeve blocks (3) respectively, and the bottom plate (2) is tightly attached to the lower end of the sleeve (1) when the sleeve blocks (3) are movably sleeved with the insertion rods (15).