CN210415312U

CN210415312U - Composite core-pulling thread-removing mechanism

Info

Publication number: CN210415312U
Application number: CN201920893697.8U
Authority: CN
Inventors: 吴豪
Original assignee: Zhuhai Co ltd AB
Current assignee: Zhuhai Co ltd AB
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-28
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a compound loose core thread-removing mechanism, including front mould benevolence, back mould benevolence, slider mechanism and slider inlay piece group, slider inlay piece group and slider mechanism set up between front mould benevolence and back mould benevolence, slider inlay piece group both sides all are provided with slider mechanism, slider inlay piece group includes slider mould benevolence, first slider mold insert, inlay piece in second slider mold insert and the slider, it links to each other with inlay piece in the slider to inlay piece in first slider mold insert, slider mechanism is including slider wedge compact piece, the slider holds the piece, the slider clamp plate sets up in the slider both sides, but slider slidable mounting is on slider holds the piece, slider wedge compact piece front end is provided with oblique guide pillar, oblique guide pillar and slider cooperation, the slider includes connecting portion and is used for cooperating the shaping portion that forms the product, be provided with the screw. This compound thread tightening mechanism that looses core simple structure can realize the thread tightening of product simply fast in the die sinking, can not damage the internal thread of product, has improved product quality, has reduced manufacturing cost.

Description

Composite core-pulling thread-removing mechanism

Technical Field

The utility model relates to a mould field, especially a compound thread demoulding mechanism of loosing core.

Background

Along with the diversified development of products, the products are bigger and bigger, correspondingly, the diameter of the thread is bigger and bigger, and the number of turns of the thread is also bigger and bigger. For demolding of plastic parts with internal threads, there are two main methods: firstly, the mold is provided with the insert, the product after injection molding is taken out together with the insert, and the thread is withdrawn outside the mold by utilizing a clamp and a rotating device, so that the mode has low production efficiency, high labor intensity of staff and is not beneficial to batch production; secondly, a motorized mold opening is adopted, when the mold is opened, the mold opening force or the pushing force of the injection machine is used as power (or the oil cylinder or the air cylinder is used as power), and the force is applied to the thread forming part through mechanical transmission parts such as a gear, a rack and the like so as to enable the thread forming part to rotate out of the product, so that the automatic demolding of the thread is realized. In actual operation, the threaded core and the movable template need to be linked together, the movable template moves downwards while the threaded core slowly rotates, but the speed difference often exists during movement, so that the phenomenon that internal threads are damaged possibly occurs, and the quality of a product is influenced; and the mold has complex structure, high cost and complex synchronous control. Especially for products with large thread diameter and multiple thread turns, the rack needs to be made very long, and then a long oil cylinder is added, so that the processing, pipe storage, transportation, injection molding machine and the like are very difficult. Therefore, a simple and quick thread stripping die mechanism is urgently needed.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a compound loose core that piece takes off screw thread mechanism is moulded in quick simple realization.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a compound loose core takes off screw-thread mechanism, includes front mould benevolence, back mould benevolence, slider mechanism and slider inlay piece group, slider inlay piece group and slider mechanism set up between front mould benevolence and back mould benevolence, slider inlay piece group both sides all are provided with slider mechanism, slider inlay piece group includes slider mould benevolence, first slider mold insert, second slider mold insert and the interior piece of inlaying of slider, first slider mold insert with it links to each other to inlay the piece in the slider, slider mechanism is including slider wedge compact piece, slider bearing block, slider clamp plate, the slider clamp plate sets up in the slider both sides, but slider slidable mounting is on slider bearing block, slider wedge piece front end be provided with slider complex oblique guide pillar, the slider includes connecting portion and is used for the cooperation to form the shaping portion of product, be provided with the screw thread on the shaping portion.

Furthermore, a second slide block insert, a first slide block insert and a slide block die core are arranged on two sides of the slide block inner insert.

Furthermore, a sliding block wear-resisting plate is further arranged on one side of the inclined guide post.

Furthermore, a sliding block guide block used for limiting is further arranged on one side of the sliding block wedging block.

Further, the slider mechanism is also provided with a positioning block for limiting.

Has the advantages that: the utility model discloses compound loose core thread-stripping mechanism, inlay the piece including front mould benevolence, back mould benevolence, slider mechanism and slider, the slider inlay the piece and set up between front mould benevolence and back mould benevolence with slider mechanism, slider inlay a set both sides and all be provided with slider mechanism, the slider inlays the piece including slider mould benevolence, first slider mold insert, second slider mold insert and slider in, first slider mold insert with the piece links to each other in the slider, slider mechanism holds piece, slider clamp plate including slider wedging piece, slider, the setting of slider clamp plate is in the slider both sides, but slider slidable mounting is on slider holds the piece, slider wedging piece front end be provided with slider complex oblique guide pillar, the slider includes connecting portion and is used for the cooperation to form the one-tenth portion of product, be provided with the screw thread on the shaping portion. The forming part is matched with a product to form threads, after forming is finished, the sliding block wedging block drives the sliding block to move towards one side of the center direction of the product, the threads of the forming part are separated from the threads of the product, and thread removal is completed. When the slider moved to one side of being close to product center direction, the connecting portion of slider carried out the butt to first slider mold insert, afterwards under the drive of oblique guide pillar, withdrawed from slider mechanism and slider mold insert simultaneously, and the completion is taken off the screw thread simply fast and the holistic deviating from of slider. This compound thread tightening mechanism that looses core simple structure can realize the thread tightening of product simply fast in the die sinking, can not damage the internal thread of product, has improved product quality, has reduced manufacturing cost.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a composite core-pulling thread-removing mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle of the composite core-pulling thread-removing mechanism according to the embodiment of the present invention;

fig. 3 is an exploded schematic structural view of a slider insert group and a product of a composite core-pulling thread-removing mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a slider mechanism of a composite core-pulling thread-removing mechanism according to an embodiment of the present invention when being engaged with a product;

fig. 5 is a schematic structural diagram of a slider of the composite core-pulling thread-removing mechanism according to the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Fig. 1, 2, 3, 4, and 5 are schematic views of a composite core-pulling thread-releasing mechanism according to at least one embodiment of the present invention. Referring to fig. 1 to 5, a composite core-pulling thread-removing mechanism according to an embodiment of the present invention includes a front mold core, a rear mold core, a slider mechanism 300 and a slider insert set 200, where the slider insert set 200 and the slider mechanism 300 are disposed between the front mold core and the rear mold core, the slider insert set 200 is disposed on both sides of the slider insert set 200, the slider insert set 200 includes a slider mold core 511, a first slider insert 516, a second slider insert 519 and an inner slider insert 518, the first slider insert 516 is connected to the inner slider insert 518, the slider mechanism 300 includes a slider wedge 582, a slider 513, a slider bearing block 515 and a slider pressing plate 563, the slider pressing plate 563 is disposed on both sides of the slider 513, the slider 513 is slidably mounted on the slider bearing block 515, the front end of the slider wedge 582 is provided with an oblique guide pillar 880 engaged with the slider 513, the slider 513 includes a connecting portion 5131 and a forming portion 5132 for forming a product 600 in a matching manner, the formation portion 5132 is provided with a thread. Referring to fig. 3, a slide insert 518 is disposed within the cavity and is shaped to fit the product 600. Referring to fig. 2, one end of the slider wedging block 582 is fixed on the stub bar stripper plate 011. After the forming is finished, the front template 012 and the stub bar stripper plate 011 are opened to break the sprue, and simultaneously, due to the action of the inclined guide post 880, the slider wedging block 582 fixed on the stub bar stripper plate can drive the slider 513 to move towards the center direction of the product 600, so that the forming part 5132 of the slider 513 is separated from the formed thread of the product 600, and the thread stripping is realized. Both sides of the slider insert group 200 are provided with the slider mechanisms 300, and when the slider 513 moves toward the center of the product 600 to be unscrewed, the connecting portions 5131 of the slider 513 moving toward the center from both sides abut against the first slider inserts 516, and finally the slider mechanisms 300 and the slider insert group 200 are integrally removed. The embodiment of the utility model provides a compound loose core thread-removing mechanism for producing the more product of the screw thread number of turns of major diameter, screw thread, can realize automated production. When the mold structure is opened, the internal thread of a product cannot be damaged, and the product quality is improved; no additional hydraulic equipment is needed, the structure is simple, the manufacturing cost is low, the die is convenient to hang, the production efficiency is high, and the thread removing effect is good; effectively ensures the molding quality of the product and reduces the production cost and the injection molding cost of the mold.

Further, a second slide block insert 519, a first slide block insert 516 and a slide block mold core 511 are arranged on the upper side and the lower side of the slide block inner insert 518. Referring to fig. 3, the product 600 is a plastic part with a symmetrical structure, and the second slide block insert 519, the first slide block insert 516 and the slide block mold core 511 are arranged on the upper side and the lower side of the slide block inner insert 518, and are matched to complete the forming of the product 600.

Further, a sliding block wear plate 592 is disposed on one side of the inclined guide pillar 880. The slider wear plate 592 is disposed on one side of the angle guide post 880, and the slider wear plate 592 abuts against a side wall of the slider 513, so that the fit between the angle guide post 880 and the slider 513 can be adjusted, and the angle guide post 880 and the slider 513 can be stably fitted. The slider wear plate 592 also limits the movement of the slider 513 to the center of the product 600 before demolding, ensuring the quality of the product 600 being formed.

Further, a sliding block guide block 584 for limiting is further arranged on one side of the sliding block wedging block 582. Slider wedge block 582 one side is provided with slider guide block 584, carries on spacingly to slider wedge block 582, avoids leading to slider 513 to remove because of slider wedge block 582 removes, causes the product 600 to take shape the effect not good.

Further, the slider mechanism 300 is further provided with a positioning block 583 for limiting. The locating piece 583 is provided with certain inclination, the locating piece 583 cooperates with the slider 513, can prevent that the slider 513 from moving under the effect of injection pressure, and is spacing along the removal of locating piece fore-and-aft direction to slider mechanism 300, guarantees the shaping quality of product 600, avoids slider mechanism 300 to remove and causes the product 600 shaping effect not good.

While the invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a compound loose core takes off screw-thread mechanism which characterized in that: the slider insert group and the slider mechanism are arranged between the front die core and the rear die core, slider mechanisms are arranged on two sides of the slider insert group, the slider insert group comprises a slider die core, a first slider insert, a second slider insert and a slider insert, the first slider insert is connected with the slider insert, the slider mechanism comprises a slider wedging block, a slider bearing block and a slider pressing plate, the slider pressing plate is arranged on two sides of the slider, the slider is slidably mounted on the slider bearing block, an inclined guide pillar matched with the slider is arranged at the front end of the slider wedging block, the slider comprises a connecting part and a forming part used for forming a product in a matched mode, and threads are arranged on the forming part.

2. The composite core-pulling thread-stripping mechanism according to claim 1, characterized in that: and the upper side and the lower side of the inner insert of the sliding block are respectively provided with a first sliding block insert, a second sliding block insert and a sliding block mold core.

3. The composite core-pulling thread-stripping mechanism according to claim 1, characterized in that: and a sliding block wear-resisting plate is further arranged on one side of the inclined guide post.

4. The composite core-pulling thread-stripping mechanism according to claim 1, characterized in that: and one side of the sliding block wedging block is also provided with a sliding block guide block for limiting.

5. The composite core-pulling thread-stripping mechanism according to claim 1, characterized in that: the sliding block mechanism is also provided with a positioning block for limiting.