CN213353400U

CN213353400U - Adjustable connecting structure of ejector rod of injection mold

Info

Publication number: CN213353400U
Application number: CN202021622707.3U
Authority: CN
Inventors: 李文光
Original assignee: Wuxi Menglite Technology Co ltd
Current assignee: Wuxi Menglite Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-06-04
Anticipated expiration: 2030-08-06

Abstract

The utility model relates to an injection mold technical field, concretely relates to adjustable type connection structure of injection mold ejector pin, including ejector pin, top splint, connecting seat, adapter sleeve, sliding tray, adjusting bolt, screw hole, regulating block, keep away the dead slot, keep away dead slot and sliding tray intercommunication, when the regulating block rotates, make adjusting bolt close soon at the screw hole internal thread, and then the drive link cover slides in the sliding tray to the action stroke of top splint has been adjusted. The utility model has the advantages that: through using outside instrument to rotate the regulating block on the adjusting bolt, make adjusting bolt close at screw hole internal thread soon, and then drive the adapter sleeve and remove along the axial of connecting seat to the ejecting stroke of ejector pin has been adjusted, moreover, the steam generator is simple in structure, the cost is lower, and it is more convenient to adjust the operation, is fit for middle-size and small-size enterprise and uses, sets up the lug block and slides at the spacing inslot, has avoided adjusting bolt when rotating like this, and the adapter sleeve takes place to follow the phenomenon of changeing.

Description

Adjustable connecting structure of ejector rod of injection mold

Technical Field

The utility model relates to an injection mold technical field, concretely relates to adjustable type connection structure of injection mold ejector pin.

Background

After injection mold shaping, remove by actuating mechanism drive ejector pin, and then make the ejector pin promote the ejector clamp plate and remove, the mould after the shaping is ejecting, the material of being convenient for mould is got, current actuating mechanism is the pneumatic cylinder usually, the flexible stroke of this kind of component is generally relatively fixed (certainly also have the pneumatic cylinder of adjustable stroke, but the cost is higher, general middle-size and small-size enterprise does not purchase or purchase quantity is less), make the ejecting action stroke of ejector pin fixed, after the pneumatic cylinder uses for a long time, the scope of its flexible stroke probably produces certain change, the action stroke that has led to the ejector pin this moment is not enough or the overrun, and then can't realize the smooth and easy liftout of ejector clamp plate, consequently how can adjust the action stroke of ejector pin is the problem that the skilled person in the art needs to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide the adjustable type connection structure of injection mold ejector pin, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

an adjustable connecting structure of an ejector rod of an injection mold comprises the ejector rod driven by a driving mechanism to move and an ejector clamping plate pushed by the ejector rod to act, wherein a connecting seat is coaxially arranged on the ejector clamping plate, a connecting sleeve is coaxially and slidably arranged on the connecting seat in a penetrating manner, correspondingly, a blind hole-shaped sliding groove for clamping the connecting sleeve in a sliding manner is formed in the connecting seat, one end of the ejector rod is coaxially connected to the connecting sleeve, one end of the connecting sleeve penetrating into the sliding groove is coaxially and rotatably connected with an adjusting bolt, correspondingly, a threaded hole for screwing the adjusting bolt is formed in the connecting seat, an adjusting block with a hexagonal longitudinal section is arranged on the adjusting bolt, correspondingly, a clearance groove which is freely passed by the adjusting block and is in a through hole form is formed in the peripheral surface of the connecting seat, the clearance groove is communicated with the sliding groove, and when the adjusting block rotates, the adjusting bolt is screwed in the threaded hole, and then the connecting sleeve is driven to slide in the sliding groove, and the ejector rod and the top clamping plate are pulled to generate relative movement, so that the action stroke of the top clamping plate is adjusted.

As a further optimization of the technical scheme, the ejector rod is connected to the connecting sleeve through threads.

As a further optimization of the above technical solution, two protrusions extending to the radial outer side of the connecting sleeve are arranged on the circumferential surface of the connecting sleeve along the axial array thereof, and correspondingly, two limiting grooves are formed on the inner wall of the sliding groove, wherein the two limiting grooves are respectively used for clamping the two protrusions and allowing the protrusions to freely slide along the axial direction of the sliding groove.

As a further optimization of the above technical solution, a connecting block is coaxially arranged on the connecting sleeve, a stepped shaft is coaxially arranged on the adjusting bolt, and correspondingly, a locking groove for clamping the stepped shaft and capable of freely rotating along the axial direction thereof is formed in the connecting block, so that the connecting sleeve is rotatably connected with the adjusting bolt.

As a further optimization of the above technical solution, the width of the clearance groove is not less than the diameter of the sliding groove, so that the end of the connecting sleeve can enter the clearance groove.

The utility model has the advantages that: through using outside instrument to rotate the regulating block on the adjusting bolt, make adjusting bolt close at screw hole internal thread soon, and then the drive adapter sleeve removes along the axial of connecting seat, thereby the ejecting stroke of ejector pin has been adjusted, moreover, the steam generator is simple in structure, the cost is lower, and it is more convenient to adjust the operation, be fit for middle-size and small-size enterprise and use, it slides at the spacing inslot to set up the lug block, avoided adjusting bolt when rotating like this, the adapter sleeve takes place to follow the phenomenon of changeing, set up the threaded connection of ejector pin and adapter sleeve, interlock intensity through the thread promotes the joint strength of ejector pin and adapter sleeve, prevent simultaneously that the junction of ejector pin and adapter sleeve from producing stress concentration phenomenon.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic front view of the three-dimensional structure of FIG. 1;

FIG. 4 is an exploded view of the three-dimensional structure of FIG. 3;

the reference numerals are explained below:

1-top splint, 2-clearance groove, 3-connecting seat, 4-adjusting bolt, 5-stepped shaft, 6-adjusting block, 7-connecting block, 8-connecting sleeve, 9-locking groove, 10-lug, 11-ejector rod, 12-sliding groove, 13-limiting groove and 14-threaded hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1-4 show an adjustable connecting structure of an ejector rod of an injection mold, which includes an ejector rod 11 driven by a driving mechanism to move and an ejector clamp plate 1 pushed by the ejector rod 11, wherein the ejector clamp plate 1 is coaxially provided with a connecting seat 3, the connecting seat 3 is coaxially and slidably provided with a connecting sleeve 8, correspondingly, the connecting seat 3 is provided with a blind hole-shaped sliding groove 12 for slidably engaging the connecting sleeve 8, the circumferential surface of the connecting sleeve 8 is provided with two projections 10 extending to the radial outer side thereof along the axial array thereof, correspondingly, the inner wall of the sliding groove 12 is provided with two limiting grooves 13 for engaging the two projections 10 and allowing the projections 10 to freely slide along the axial direction of the sliding groove 12, the connecting sleeve 8 is not easy to move in the circumferential direction by the engaging action of the projections 10 and the limiting grooves 13, one end of the ejector rod 11 is coaxially and threadedly connected to the connecting sleeve 8, in this embodiment, the ejector rod 11 is in threaded connection with the connecting sleeve 8, and the ejection stroke cannot be adjusted by the rotation of the ejector rod 11, because the ejector rod 11 is fixedly connected with the hydraulic cylinder on the driving mechanism, if the ejector rod 11 rotates, the hydraulic cylinder needs to be correspondingly disassembled to rotate at this time, which is time-consuming and labor-consuming, the end of the connecting sleeve 8 penetrating into the sliding groove 12 is coaxially and rotatably connected with the adjusting bolt 4, and the corresponding connecting seat 3 is provided with a threaded hole 14 for screwing the adjusting bolt 4, specifically, the connecting sleeve 8 is coaxially provided with a connecting block 7, the adjusting bolt 4 is coaxially provided with a stepped shaft 5, correspondingly, the connecting block 7 is provided with a locking groove 9 for clamping the stepped shaft 5 and capable of freely rotating along the axial direction thereof, so that the connecting sleeve 8 is rotatably connected with the adjusting bolt 4, and the adjusting bolt 4 is provided with an adjusting block 6 having a hexagonal longitudinal section, correspondingly, the connecting seat 3 is provided with a clearance groove 2 which is used for the adjusting block 6 to pass through freely and is in a through hole form on the circumferential surface, the clearance groove 2 is communicated with the sliding groove 12, when the adjusting block 6 rotates, the adjusting bolt 4 is screwed in the threaded hole 14, so that the connecting sleeve 8 is driven to slide in the sliding groove 12, the ejector rod 11 and the top clamping plate 1 are pulled to move relatively, and the action stroke of the top clamping plate 1 is adjusted. The width of the clearance groove 2 is not smaller than the diameter of the sliding groove 12, so that the end part of the connecting sleeve 8 can enter the clearance groove 2, the surface of the connecting seat 3 is subjected to nitriding treatment, the inner wall of the sliding groove 12 has a lower friction coefficient, and the connecting block 7 is subjected to quenching and tempering and HRC45-50, so that the connecting block 7 has better mechanical performance and better fracture resistance.

The utility model discloses when using: when the ejection stroke of the ejector rod 11 is adjusted, firstly, a tool is used for penetrating into the clearance groove to clamp the adjusting block 6, the adjusting block 6 is rotated, the adjusting block 6 rotates in a small range, and after the adjusting block rotates, the distance between the ejector plate and the mold is measured through an external vernier caliper, so that whether the adjusting is in place is judged (the prior art does not need to be described in a cumulus manner).

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an adjustable type connection structure of injection mold ejector pin, includes ejector pin (11) that removes by actuating mechanism drive and top splint (1) of action is promoted by ejector pin (11), its characterized in that, coaxial connecting seat (3) that is equipped with on top splint (1), adapter sleeve (8) are worn to be equipped with by coaxial sliding fit on connecting seat (3), and is corresponding, offer on connecting seat (3) and supply adapter sleeve (8) sliding fit block, blind hole form sliding tray (12), ejector pin (11) one end coaxial coupling is on adapter sleeve (8), the one end coaxial rotationally connected with adjusting bolt (4) in adapter sleeve (8) the sliding tray (12) of wearing into, corresponding screw hole (14) that supply adjusting bolt (4) screw thread to revolve the closure are seted up on connecting seat (3), be equipped with regulating block (6) that the longitudinal section becomes on adjusting bolt (4), correspondingly, offer on connecting seat (3) global supply adjusting block (6) freely pass through, the dead slot (2) of keeping away of through-hole form, keep away dead slot (2) and sliding tray (12) intercommunication, when adjusting block (6) rotated, make adjusting bolt (4) close soon in screw hole (14) internal thread, and then the drive adapter sleeve (8) slide in sliding tray (12), and the pulling ejector pin (11) produce relative movement with top splint (1), thereby have adjusted the action stroke of top splint (1).

2. An injection mold ejector rod adjustable connecting structure as claimed in claim 1, wherein the ejector rod (11) is connected to the connecting sleeve (8) through a thread.

3. The injection mold ejector rod adjustable connecting structure according to claim 1, wherein two protrusions (10) extending to the radial outer side of the connecting sleeve (8) are arranged on the circumferential surface of the connecting sleeve along the axial array of the connecting sleeve, and correspondingly, two limiting grooves (13) which are respectively clamped by the two protrusions (10) and allow the protrusions (10) to freely slide along the axial direction of the sliding groove (12) are formed on the inner wall of the sliding groove (12).

4. The ejector rod adjustable connecting structure of the injection mold according to claim 1, wherein a connecting block (7) is coaxially arranged on the connecting sleeve (8), a stepped shaft (5) is coaxially arranged on the adjusting bolt (4), and correspondingly, a locking groove (9) for clamping the stepped shaft (5) and freely rotating along the axial direction is formed in the connecting block (7), so that the connecting sleeve (8) is rotatably connected with the adjusting bolt (4).

5. An injection mold ejector rod adjustable connecting structure as claimed in claim 1, wherein the width of the clearance groove (2) is not less than the diameter of the sliding groove (12), so that the end of the connecting sleeve (8) can enter the clearance groove (2).