CN210501215U

CN210501215U - Sprue insert of hot runner system

Info

Publication number: CN210501215U
Application number: CN201921427017.XU
Authority: CN
Inventors: 焦太景
Original assignee: Amos Intelligent Technology Shenzhen Co Ltd
Current assignee: Amos Intelligent Technology Shenzhen Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-12
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a hot runner system's runner mold insert, its technical essential is including seting up the location chamber on the hot runner mounting panel and installing the mold insert body at the location intracavity, establish to the installing port in the upper end in location chamber, the runner locating hole has been seted up to the lower extreme, the approximate bowl body of mold insert body, the little one end of mold insert body is equipped with the runner mouth, the runner mouth is installed towards runner locating hole direction, the surface and the laminating of location chamber bottom inner wall of mold insert body, the inner wall of mold insert body upper end is established to constant diameter district, the inner wall in constant diameter district is equipped with the screw thread, screw thread department threaded connection has the screw rod that stretches out from the installing port, the upper end terminal surface of mold insert body is equipped with the piece of supporting, the piece of supporting can support. The utility model has the advantages of accurate positioning and stable installation.

Description

Sprue insert of hot runner system

Technical Field

The utility model relates to a hot runner technical field, more specifically say, it relates to a hot runner system's runner mold insert.

Background

The hot runner system generally comprises a hot nozzle, a flow distribution plate, a temperature control box, accessories and the like, wherein the hot nozzle generally comprises an open hot nozzle and a needle valve type hot nozzle, the needle valve type hot nozzle is needed to be used for processing the hot nozzle in the process of injection molding of the hot runner, particularly for processing precise plastic parts, and the precise plastic parts are processed on the premise that the installation of the needle valve type hot nozzle is accurate and deviation cannot exist.

In the prior art, similar to the hot runner system, in the process of installing the needle valve type hot runner, a gate insert is installed firstly, the gate insert needs to be installed at a glue outlet at the deepest part of a direct current channel, the installation of the gate insert needs to be ensured to be accurate and stable so as to ensure that a valve needle installed later can be accurately inserted into the glue outlet, the installation position of the gate insert is a positioning cavity on a hot runner installation plate, in the hot runner injection molding process, gaps are not required to be reserved on important matching surfaces, the heat transfer is reduced, gaps are reserved between the outer wall of the gate insert and the inner wall of the positioning cavity, when the gate insert is installed, the installation is not accurate enough and needs to be adjusted due to the gaps, but because the installation is deep, the inside of the positioning cavity is small, the direct adjustment by hands is not easy to obtain, the adjustment is not easy and wastes time, and the gate insert needs to be replaced by other models when different products are produced, thereby causing the adjustment required for each installation and being very troublesome.

SUMMERY OF THE UTILITY MODEL

To the technical problem that exists, an object of the utility model is to provide a hot runner system's runner mold insert, its advantage that has accurate location, stable installation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hot runner system's runner mold insert, is including seting up the location chamber on the hot runner mounting panel and installing the mold insert body at the location intracavity, establish to the installing port in the upper end in location chamber, the runner locating hole has been seted up to the lower extreme, the approximate bowl body of mold insert body, the little one end of mold insert body is equipped with the runner mouth, the runner mouth is installed towards runner locating hole direction, the surface and the laminating of location chamber bottom inner wall of mold insert body, the inner wall of mold insert body upper end is established to constant diameter district, the inner wall in constant diameter district is equipped with the screw thread, screw thread department threaded connection has the screw rod that stretches out from the installing port, the upper end terminal surface of mold insert body is equipped with supports the piece, it can.

Through adopting above-mentioned technical scheme, in the installation of mold insert body, earlier with this internal screw thread department threaded connection of screw rod and mold insert, the one end of screw thread department is kept away from to the operation screw rod again, through screw rod control mold insert body, stretch into the location intracavity with the mold insert body from the installing port, just can conveniently be accurate again during the installation remove the adjusting position, very easy just can be with the accurate counterpoint of mold insert body, accurate counterpoint back, the rethread supports the upper end face of piece with the mold insert body and supports tightly, make the mold insert body fixed, rotate the screw rod of screw thread department and take out this moment again, can accomplish the installation of mold insert body, thereby have accurate location, the advantage of stable installation.

The utility model discloses further set up to: and an inclined guide surface is arranged at the starting point of the thread of the insert body.

By adopting the technical scheme, the inclined guide surface is formed in order to facilitate easier threaded connection of the screw rod and the insert body.

The utility model discloses further set up to: the abutting piece is a hollow cylinder block, the lower end face of the cylinder block abuts against the upper end face of the insert body, the upper end face of the cylinder block is flush with the plate face of the hot runner mounting plate, and the upper end of the cylinder block is fixed at the mounting opening.

Through adopting above-mentioned technical scheme, after the operation screw rod is with accurate installation of mold insert body to the location chamber, with hollow cylinder piece to installing the location intracavity from the installing port, the cylinder piece supports the mold insert body earlier tightly in the location intracavity, and the mold insert originally is supported tightly the back, just can rotate the screw rod again and take out, avoids the mold insert body can rotate along with the screw rod together to lead to inconvenient taking out.

The utility model discloses further set up to: the diameter of the inner wall of the column block is larger than that of the inner wall of the equal-diameter area in the insert body.

By adopting the technical scheme, after the insert body is accurately aligned and installed by operating the screw rod, the column block is installed in the installation cavity from the installation opening, and the screw rod is sleeved in the hollow position of the column block, so that the screw rod can be taken out from the hollow position of the column block when rotating, and in order not to influence the taking out, the diameter of the inner wall of the column block is larger than that of the inner wall of the equal-diameter area of the insert body.

The utility model discloses further set up to: a circle of annular gap is formed in the position of the mounting opening along the inner wall, a protruding annular edge is arranged on the outer wall of the upper end of the cylinder block, and the annular edge is fixed in the annular gap.

Through adopting above-mentioned technical scheme, the annular limit is fixed in the annular breach, then supports tight piece and is fixed, and then just can ensure to support the mold insert body tightly in the location intracavity always, has avoided the mold insert body to rock from front to back.

The utility model discloses further set up to: the annular gap is provided with a threaded hole, a threaded through hole is formed in the position, corresponding to the threaded hole, of the annular edge, and the annular edge is fixed in the annular gap through the bolt arranged in the threaded through hole.

Through adopting above-mentioned technical scheme, set up corresponding screw hole and screw thread through-hole, rethread bolt is fixed, can ensure to fix the piece that supports tightly.

The utility model discloses further set up to: the screw hole, the screw through hole and the bolt are at least provided with 2.

Through adopting above-mentioned technical scheme, set up two at least or two above bolts, can be further will support tight piece fixed to guarantee the stability of mold insert body installation.

The utility model discloses further set up to: and the sprue nozzle is attached to and embedded into the hole wall of the sprue positioning hole.

By adopting the technical scheme, when the mold insert is installed, the sprue nozzle must be attached to the hole wall embedded into the sprue positioning hole, and the accurate position of the mold insert body can be determined.

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

(1) the screw and the screw are arranged, the screw is connected with the threads in the insert body, the screw can be operated to assist the insert body to be installed, and convenient and accurate installation can be realized;

(2) by arranging the guide surface, the inclined guide surface is more convenient for the threaded connection between the screw and the insert body;

(3) through setting up annular breach and annular limit, with annular limit fixed mounting in annular breach, can make to support tight piece and can support the mold insert body tightly in the location intracavity, keep the stability of installation.

Drawings

FIG. 1 is a schematic view of the overall structure of the hot runner system in this embodiment;

FIG. 2 is a schematic structural view of a hot runner mounting plate according to this embodiment;

fig. 3 is a schematic structural view of the insert body according to the present embodiment;

FIG. 4 is a schematic structural view of the screw and the insert body after threaded connection in this embodiment;

fig. 5 is a schematic structural view of a cross-sectional view of the insert body of the present embodiment after installation.

Reference numerals: 1. a hot runner mounting plate; 2. a positioning cavity; 3. an insert body; 4. an installation port; 5. a gate positioning hole; 6. a gate nozzle; 7. a constant diameter zone; 8. a thread; 9. a screw; 10. an abutting piece; 11. a guide surface; 12. an annular gap; 13. an annular edge; 14. a threaded hole; 15. a threaded through hole; 16. a bolt; 17. a hot runner system; 18. a first constant diameter zone; 19 a second equal diameter zone; 20. a third progressively smaller diameter region; 21. a fourth equal diameter zone; 22. an anti-slip sleeve.

Detailed Description

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

In the embodiment, a gate insert of a hot runner system, as shown in fig. 1 and fig. 2, includes a positioning cavity 2 (refer to fig. 5) on a hot runner mounting plate 1 and an insert body 3 (refer to fig. 3) installed in the positioning cavity 2, where the hot runner mounting plate 1 is a layer structure in a hot runner system 17 and is also the hot runner mounting plate 1 where the insert body 3 is installed.

As shown in fig. 2 and 5, the positioning chamber 2 includes a mounting opening 4 provided at an upper end and a gate positioning hole 5 provided at a lower end; the approximate bowl body of mold insert body 3, the main aspects up, the tip is down, little one end is equipped with runner mouth 6, runner mouth 6 is installed towards 5 directions of runner locating hole, the pore wall of 6 laminating embedding runner locating hole 5 of runner mouth, the surface of mold insert body 3 and the laminating of 2 bottom inner walls in location chamber, the inner wall upside of mold insert body 3 is established to constant diameter district 7, still be equipped with screw thread 8 on the constant diameter district 7, screw thread 8 department threaded connection has screw rod 9, the upper end terminal surface of mold insert body 3 is equipped with and supports the piece 10, support the piece 10 and can support the mold insert body 3 tightly in location chamber 2.

As shown in fig. 5, the screw 9 is in threaded connection with the thread 8 in the insert body 3, the insert body 3 can be inserted into the positioning cavity 2 from the mounting opening 4 by operating the screw 9, the insert body 3 is mounted at the bottommost part of the positioning cavity 2, the sprue nozzle 6 at the bottom end of the insert body 3 is mounted at the sprue positioning hole 5 at the bottom of the positioning cavity 2, the outer wall of the sprue nozzle 6 is attached to the inner wall of the sprue positioning hole 5, the outer surface of the insert body 3 is attached to the inner wall at the bottom of the positioning cavity 2, the position of the insert body 3 is accurate, the upper end surface of the insert body 3 is abutted by the abutting piece 10, so that the insert body 3 is abutted against the positioning cavity 2, and then the screw 9 is rotated and taken out, the accurate and stable installation of the insert body 3 can be completed, and similarly, when the insert body 3 needs to be replaced, the insert body 3 in the positioning cavity 2 is also easily removed and replaced by means of the screw 9.

As shown in fig. 4 and 5, the screw 9 can control the insert body 3 by screwing the screw 9 to the insert making body 3, in order to install the insert more quickly, an inclined guide surface 11 is provided at the inner wall constant diameter region 7 of the insert body 3, that is, the starting point of the thread 8, and the inclined guide surface 11 can enable the screw 9 to be screwed to the insert body 3 more quickly and easily when the screw 9 is screwed to the insert body 3.

As shown in fig. 3 and 5, the outer surface of the insert body 3 is approximately bowl-shaped, the diameter of the outer surface of the insert body 3 gradually decreases from the upper end to the lower end, the outer surface of the insert body 3 is respectively composed of a first equal-diameter area 18, a second equal-diameter area 19, a third gradually-reduced-diameter area 20 and a fourth equal-diameter area 21 from top to bottom, the diameter of the third gradually-reduced-diameter area 20 gradually decreases from top to bottom, and the joint of the second equal-diameter area 19 and the fourth equal-diameter area 21 connected with the third gradually-reduced-diameter area 20 is arc-shaped; when the installation, the surface of insert body 3 is with the laminating of location chamber 2 inner wall, and the surface from last diameter change down of insert body 3 is more, therefore the installation of insert body 3 more needs very accurate.

Further, as shown in fig. 4, in order to facilitate the operation of the screw 9, except for the portion to be matched with the threaded connection of the insert body 3, the rest portions are thinner, so that the weight of the screw 9 can be reduced, and the screw 9 can be better operated by fixing the protective sliding sleeve 22 in the hand-held position far away from the threaded connection of the screw 9.

Further, as shown in fig. 5, after the insert body 3 is accurately installed in the positioning cavity 2, the stability of the installation of the insert body 3 needs to be maintained by the abutting piece 10; the abutting piece 10 is a hollow column block, the column block is installed in the positioning cavity 2 from the installation opening 4, one end of the column block abuts against the upper end face of the insert body 3, the other end of the column block is fixed at the installation opening 4, and the screw rod 9 can be rotated and taken out only after the column block abuts against the insert body 3; it is main to need here, after installing the insert body 3 accurately, just can rotate the screw rod 9 and take out after supporting tightly the fixed with insert body 3 through supporting piece 10, if not supporting insert body 3 tightly, directly rotate screw rod 9, insert body 3 can rotate along with screw rod 9 rotates, not only screw rod 9 does not rotate out and still probably makes the position of insert body 3 take place to incline, needs readjustment again, avoids unnecessary troublesome.

Further, as shown in fig. 5, it should be noted that the diameter of the inner wall of the cylinder block is larger than that of the inner wall of the equal diameter region 7 of the insert body 3, after the cylinder block abuts against the insert body 3, the screw 9 is rotated to release the threaded connection with the insert body 3, and the screw 9 passes through the hollow position of the cylinder block when being taken out, and is not blocked by the cylinder block.

As shown in fig. 5, in the process of tightly supporting the insert body 3 by the cylinder block, the tightly supporting piece 10 needs to be fixed, an annular notch 12 is formed in the inner wall of the mounting opening 4, a convex annular edge 13 is formed on the outer wall of one end, far away from the tightly supporting insert body 3, of the cylinder block, the annular edge 13 supports in the annular notch 12, the annular notch 12 is provided with four threaded holes 14 which are equidistantly distributed around the circumference of the annular notch 12, four threaded through holes 15 are formed in the annular edge 13, corresponding to the threaded holes 14, and the annular edge 13 is fixed in the annular notch 12 through threaded connection of bolts 16, so that the cylinder block can be fixed, and the insert body 3 can be stably fixed in the positioning cavity 2 all the time.

The utility model discloses a working process and beneficial effect as follows: in the installation of mold insert body 3, earlier with screw rod 9 and the 8 threaded connection of screw thread department in the mold insert body 3, the one end of 8 threaded departments of screw thread is kept away from to operation screw rod 9 again, through screw rod 9 control mold insert body 3, stretch into location chamber 2 with mold insert body 3 from installing port 4, just can conveniently be accurate again during the installation remove the adjusting position, very easy just can be with the accurate counterpoint of mold insert body 3, accurate counterpoint back, the rethread supports the tie-down piece 10 and supports tightly the up end of mold insert body 3, make mold insert body 3 fixed, rotate the screw rod 9 of 8 threaded departments of screw thread this moment and take out, can accomplish the installation of mold insert body 3, thereby have accurate location, the advantage of stable installation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hot runner system's runner mold insert, includes sets up location chamber (2) on hot runner mounting panel (1) and installs mold insert body (3) in location chamber (2), its characterized in that: the upper end of the positioning cavity (2) is arranged to be a mounting opening (4), a pouring gate positioning hole (5) is formed in the lower end of the positioning cavity, the insert body (3) is similar to a bowl-shaped body, a pouring gate nozzle (6) is arranged at the small end of the insert body (3), the pouring gate nozzle (6) is installed towards the pouring gate positioning hole (5), the outer surface of the insert body (3) is attached to the inner wall of the bottom of the positioning cavity (2), an equal-diameter area (7) is formed in the inner wall of the upper end of the insert body (3), threads (8) are arranged on the inner wall of the equal-diameter area (7), a screw (9) extending out of the mounting opening (4) is in threaded connection with the threads (8), a supporting piece (10) is arranged on the end face of the upper end of the insert body (3), and the supporting piece (10).

2. The gate insert according to claim 1, wherein: and an inclined guide surface (11) is arranged at the starting point of the thread (8) of the insert body (3).

3. The gate insert according to claim 1, wherein: the abutting piece (10) is a hollow column block, the lower end face of the column block abuts against the upper end face of the insert body (3), the upper end face of the column block is flush with the plate face of the hot runner mounting plate (1), and the upper end of the column block is fixed at the mounting opening (4).

4. The gate insert according to claim 3, wherein: the diameter of the inner wall of the column block is larger than that of the inner wall of the equal-diameter area (7) in the insert body (3).

5. The gate insert according to claim 4, wherein: a circle of annular gap (12) is formed in the position of the mounting opening (4) along the inner wall, a protruding annular edge (13) is arranged on the outer wall of the upper end of the cylinder block, and the annular edge (13) is fixed in the annular gap (12).

6. The gate insert according to claim 5, wherein: threaded holes (14) are formed in the annular gap (12), threaded through holes (15) are formed in the positions, corresponding to the threaded holes (14), of the annular edge (13), and the annular edge (13) is fixed in the annular gap (12) through bolts (16) arranged at the threaded through holes (15).

7. The gate insert according to claim 6, wherein: the number of the threaded holes (14), the number of the threaded through holes (15) and the number of the bolts (16) are at least 2.

8. The gate insert according to claim 1, wherein: and the sprue nozzle (6) is attached to and embedded into the hole wall of the sprue positioning hole (5).