CN213321459U

CN213321459U - Injection mold valve needle actuating mechanism

Info

Publication number: CN213321459U
Application number: CN202021416028.0U
Authority: CN
Inventors: 窦玉娟
Original assignee: Kunshan Conocophillips Hot Runner System Co ltd
Current assignee: Kunshan Kanghui Hot Runner System Co ltd; Kunshan Kangzhe Precision Hot Runner Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-01
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses an injection mold needle actuating mechanism relates to injection mold technical field, for the not wide enough problem of the needle controllable range of the needle removal stroke among the solution prior art. The cylinder cap is installed to the top of cylinder, and cylinder cap and cylinder threaded connection, the internally mounted of cylinder cap has the rotary drum, and the rotary drum rotates with the cylinder cap to be connected, the internally mounted of rotary drum has the threaded rod, and threaded rod and rotary drum threaded connection, the inside of cylinder is provided with the top, and top and threaded connection fixed connection, the base is installed to the top of cylinder cap, and base and cylinder cap fixed connection, the knob is installed to the top of base, and the knob rotates with the base to be connected, knob and rotary drum fixed connection, the inside of rotary drum is provided with the connecting rod, the connecting rod rotates with the threaded rod to be connected.

Description

Injection mold valve needle actuating mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold needle actuating mechanism.

Background

Injection molding is a method for producing and molding industrial products, the products are generally produced by rubber injection molding and plastic injection molding, the injection molding can also be divided into injection molding die pressing method and die casting method, and an injection mold is a model used in injection molding.

The hot runner mold has various forms according to the structural form of the nozzle, the types are the same and different, but the processing technology and the implementation method of each manufacturer are greatly different, this determines the differences in quality and price of the hot runner system, generally in the form of open, needle valve, and other special forms, the needle valve type hot nozzle is controlled by mechanical pneumatic or hydraulic pressure, the valve needle closes the gate at the end of the holding pressure, that is, when the product has not completely coagulated, the glue feeding system is closed, which also shortens the forming cycle, however, the valve needle is driven by the cylinder to move up and down, so that the moving stroke of the valve needle is generally in a constant range, the controllable range of the moving stroke of the valve needle is not wide enough, the application of the valve needle is not flexible enough during injection molding, and sometimes the valve needle cannot block a sprue immediately due to too long movement stroke, so that the production quality of an injection mold is influenced; therefore, the market urgently needs to develop a valve needle driving mechanism of an injection mold to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold needle actuating mechanism to the needle that provides in solving above-mentioned background art removes the not wide enough problem of stroke control range.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold needle actuating mechanism, includes cylinder and nozzle, the cylinder cap is installed to the top of cylinder, and cylinder cap and cylinder threaded connection, the internally mounted of cylinder cap has the rotary drum, and rotary drum and cylinder cap rotate and be connected, the internally mounted of rotary drum has the threaded rod, and threaded rod and rotary drum threaded connection, the inside of cylinder is provided with the top, and top and threaded connection fixed connection.

Preferably, the base is installed to the top of cylinder cap, and base and cylinder cap fixed connection, the knob is installed to the top of base, and knob and base rotate to be connected, knob and rotary drum fixed connection, the inside of rotary drum is provided with the connecting rod, the connecting rod rotates with the threaded rod to be connected.

Preferably, a scale cylinder is installed above the knob, the scale cylinder is rotatably connected with the knob, and the scale cylinder, the knob and the rotary cylinder are all connected with the connecting rod in a sliding manner.

Preferably, the top of connecting rod is provided with the indication rod, and indication rod and connecting rod set up as an organic whole structure, be provided with the scale on the preceding terminal surface of graduated cylinder, and scale and graduated cylinder set up as an organic whole structure.

Preferably, one side of cylinder is provided with last intake pipe and lower intake pipe respectively, and goes up the intake pipe and all sets up body structure with the cylinder with lower intake pipe, the internally mounted of cylinder has the piston, and piston and cylinder sliding connection, the needle is installed to the below of piston, and needle and piston threaded connection.

Preferably, the inside of nozzle is provided with the passageway of moulding plastics, and moulds plastics the passageway and set up structure as an organic whole with the nozzle, the internally mounted of nozzle has the spray tube, and spray tube and nozzle fixed connection.

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

1. the utility model discloses a through the setting of threaded rod, top and rotary drum, can make the threaded rod down through rotatory rotary drum to it is down to promote the top, thereby changes the stroke of piston, thereby the indirect stroke that changes the needle, thereby make the motion stroke of needle have certain controllable scope, thereby can shorten the motion stroke of needle, and make the needle plug up the runner rapidly, make the controllable scope of needle removal stroke widen, improve injection mold's production quality.

2. The utility model discloses a through the setting of scale, connecting rod and pilot lever, but the stroke length of accurate adjustment piston to convenient the regulation, make this actuating mechanism use more reliable, also make things convenient for the stroke control of piston simultaneously.

Drawings

Fig. 1 is a front view of a valve needle driving mechanism of an injection mold according to the present invention;

fig. 2 is a schematic view of the internal structure of the cylinder of the present invention;

FIG. 3 is a schematic view of the internal structure of the nozzle of the present invention;

fig. 4 is a schematic structural diagram of a position a in the drawing of the present invention.

In the figure: 1. a cylinder; 2. a nozzle; 3. a cylinder cover; 4. an upper intake pipe; 5. a lower air inlet pipe; 6. a valve needle; 7. a nozzle; 8. a knob; 9. a scale drum; 10. a base; 11. a connecting rod; 12. a rotating drum; 13. a threaded rod; 14. ejecting the head; 15. a piston; 16. injection molding a channel; 17. an indication lever; 18. a graduated scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an injection mold needle actuating mechanism, includes cylinder 1 and nozzle 2, and cylinder cap 3 is installed to the top of cylinder 1, and cylinder cap 3 and 1 threaded connection of cylinder, and the internally mounted of cylinder cap 3 has rotary drum 12, and rotary drum 12 rotates with cylinder cap 3 to be connected, and the internally mounted of rotary drum 12 has threaded rod 13, and threaded rod 13 and rotary drum 12 threaded connection, and the inside of cylinder 1 is provided with top 14, and top 14 and threaded connection fixed connection.

Further, base 10 is installed to the top of cylinder cap 3, and base 10 and 3 fixed connection of cylinder cap, knob 8 is installed to the top of base 10, and knob 8 rotates with base 10 to be connected, knob 8 and rotary drum 12 fixed connection, the inside of rotary drum 12 is provided with connecting rod 11, connecting rod 11 rotates with threaded rod 13 to be connected, a part of knob 8 sets up the inside at base 10, be equivalent to between the two to set up a bearing and rotate and connect, also be so between connecting rod 11 and the threaded rod 13.

Further, a scale cylinder 9 is installed above the knob 8, the scale cylinder 9 is rotatably connected with the knob 8, the scale cylinder 9, the knob 8 and the rotary cylinder 12 are all slidably connected with the connecting rod 11, and meanwhile, a rotary connection relation also exists between the scale cylinder 9, the knob 8, the rotary cylinder 12 and the connecting rod 11, namely, when the scale cylinder 9, the knob 8 and the rotary cylinder 12 rotate, the connecting rod 11 cannot rotate along with the rotary cylinder.

Further, an indication rod 17 is arranged above the connecting rod 11, the indication rod 17 and the connecting rod 11 are arranged to be of an integrated structure, a graduated scale 18 is arranged on the front end face of the graduated cylinder 9, the graduated scale 18 and the graduated cylinder 9 are arranged to be of an integrated structure, the connecting rod 11 penetrates through the knob 8, and the range of the graduated scale 18 is the same as the range of the thread groove of the threaded rod 13.

Further, one side of cylinder 1 is provided with last intake pipe 4 and lower intake pipe 5 respectively, and goes up intake pipe 4 and lower intake pipe 5 and all sets up structure as an organic whole with cylinder 1, and the internally mounted of cylinder 1 has piston 15, and piston 15 and cylinder 1 sliding connection, and needle 6 is installed to the below of piston 15, and needle 6 and piston 15 threaded connection, and needle 6 can be changed with piston 15 separation.

Further, the inside of nozzle 2 is provided with the passageway 16 of moulding plastics, and moulds plastics passageway 16 and nozzle 2 and set up to a body structure, and the internally mounted of nozzle 2 has spray tube 7, and spray tube 7 and nozzle 2 fixed connection, and the passageway 16 of moulding plastics communicates with spray tube 7, and the part of intercommunication has one section aperture size and is the same with the diameter size of needle 6.

The working principle is as follows: when the injection molding device is used, the air pump is connected with the upper air inlet pipe 4 and the lower air inlet pipe 5, when the upper air inlet pipe 4 is used for air inlet, the piston 15 descends and pushes the valve needle 6 to descend, when the piston 15 moves to the bottom inside the cylinder 1, the valve needle 6 blocks a channel between the injection molding channel 16 and the spray pipe 7, so that the function of blocking a sprue is realized, injection molding melt is cut off, when the lower air inlet pipe 5 is used for air inlet, the piston 15 ascends and drives the valve needle 6 to ascend, the valve needle 6 is pulled out from the channel between the injection molding channel 16 and the spray pipe 7, injection can be carried out, the rotary knob 8 is rotated to drive the rotary drum 12, the rotary drum 12 rotates to push the threaded rod 13 to move towards the inner side of the cylinder 1, the threaded rod 13 pushes the top 14 to descend, so that the movement distance of the piston 15 is shortened, so that the stroke of, therefore, the gate is blocked more efficiently, when the threaded rod 13 moves downwards, the connecting rod 11 and the indicating rod 17 are driven to move downwards together, and the distance that the plug 14 moves downwards can be accurately judged through the relative positions of the indicating rod 17 and the graduated scale 18.

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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold needle actuating mechanism, includes cylinder (1) and nozzle (2), its characterized in that: cylinder cap (3) are installed to the top of cylinder (1), and cylinder cap (3) and cylinder (1) threaded connection, the internally mounted of cylinder cap (3) has rotary drum (12), and rotary drum (12) rotate with cylinder cap (3) and be connected, the internally mounted of rotary drum (12) has threaded rod (13), and threaded rod (13) and rotary drum (12) threaded connection, the inside of cylinder (1) is provided with top (14), and top (14) and threaded connection fixed connection.

2. An injection mold valve pin drive mechanism as claimed in claim 1, wherein: base (10) are installed to the top of cylinder cap (3), and base (10) and cylinder cap (3) fixed connection, knob (8) are installed to the top of base (10), and knob (8) rotate with base (10) and be connected, knob (8) and rotary drum (12) fixed connection, the inside of rotary drum (12) is provided with connecting rod (11), connecting rod (11) rotate with threaded rod (13) and are connected.

3. An injection mold needle drive mechanism as claimed in claim 2, wherein: a scale cylinder (9) is installed above the knob (8), the scale cylinder (9) is rotatably connected with the knob (8), and the scale cylinder (9), the knob (8) and the rotary cylinder (12) are all in sliding connection with the connecting rod (11).

4. An injection mold needle drive mechanism as claimed in claim 3, wherein: the top of connecting rod (11) is provided with indicator lever (17), and indicator lever (17) and connecting rod (11) set up structure as an organic whole, be provided with scale (18) on the preceding terminal surface of graduated cylinder (9), and scale (18) and graduated cylinder (9) set up structure as an organic whole.

5. An injection mold valve pin drive mechanism as claimed in claim 1, wherein: one side of cylinder (1) is provided with last intake pipe (4) and intake pipe (5) down respectively, and goes up intake pipe (4) and intake pipe (5) down and all set up structure as an organic whole with cylinder (1), the internally mounted of cylinder (1) has piston (15), and piston (15) and cylinder (1) sliding connection, needle (6) are installed to the below of piston (15), and needle (6) and piston (15) threaded connection.

6. An injection mold valve pin drive mechanism as claimed in claim 1, wherein: the injection molding device is characterized in that an injection molding channel (16) is arranged inside the nozzle (2), the injection molding channel (16) and the nozzle (2) are arranged into a whole, a spray pipe (7) is arranged inside the nozzle (2), and the spray pipe (7) is fixedly connected with the nozzle (2).