CN208305668U - A kind of no flash round needle - Google Patents

Abstract

The utility model relates to injection molding technology fields, specially a kind of no flash round needle, including liquid-state silicon gel, handware, upper thimble and interior thimble, handware is arranged in the upper end of the upper thimble, and in the mold slots of the top insertion liquid-state silicon gel of upper thimble, the outside of the upper thimble is successively socketed with insert ring, magnet ring, tailstock barrel, outer spring and thread bush from top to bottom, the utility model passes through the injection slot formed, and POM plastic cement is injected in injection slot, and then the excessive glue process of liquid-state silicon gel is become into sealing process；Realize that purpose convenient to use, POM plastic are used to seal the gap between mode and thimble, to achieve the purpose that control excessive glue；Reasonable structure design, which can be avoided, there is excessive maintenance and cleaning process, needs next time in use, only needing to dismantle tailstock barrel, changes spare group, high-efficient, has very strong practicability, is conducive to marketing.

Description

A kind of no flash round needle

Technical field

The utility model relates to injection molding technology field, specially a kind of no flash round needle.

Background technique

Liquid-state silicon gel class injection molding silica gel is used in the market because it will not discharge noxious material and soft-touch is comfortable, energy The good materialization of high temperature resistant and low temperature (- 60 DEG C+300 DEG C) and be widely used, it is few that he plants polymer and can be equal to it.By force And strong elastomer, and more surpass the leakproofness of rubber, excellent electrical insulating property and the resistance to chemicals, fuel, oil, water Power can deal with the good material of poor environment.

Because the liquid-state silicon gel class injection molding excessive glue problem on existing market is unable to control, product injection molding excessive glue leads to product hair Side is unable to satisfy consumer product quality requirements.

Utility model content

The purpose of this utility model is to provide a kind of no flash round needles, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of no flash round needle, including liquid-state silicon Glue, handware, upper thimble and interior thimble, handware is arranged in the upper end of the upper thimble, and liquid-state silicon is inserted on the top of upper thimble In the mold slots of glue, it is characterised in that: T-type positioning column, the side of upper thimble is arranged in the lower end central integration of the upper thimble Blade positioning slot is uniformly provided on wall, the outside of the upper thimble is successively socketed with insert ring, magnet ring, thimble from top to bottom Set, outer spring and thread bush, through setting jack, the lower end of tailstock barrel, which is run through, to be arranged for the upper end of the tailstock barrel, and jack Outside is provided projectingly annular protrusion, and magnet ring and insert ring are successively socketed on the annular protrusion, and the magnet ring passes through perforative spiral shell Nail is connected on tailstock barrel, and the insert ring is by magnetic connection magnet ring, and the upper end of insert ring is integrally formed and is connected with metal Blade, the inwardly projecting setting in the inside of the metal blade, and metal blade is plugged in corresponding blade positioning slot, it is described outer Spring and thread bush are located in the inner cavity of tailstock barrel, and screw thread is arranged in the lower end outside of upper thimble, and outer spring is socketed in thimble Lower end after, thread bush is socketed in the lower end of upper thimble by internal and external threads, and the outer middle side part of the thread bush, which protrudes outward, to be set Retainer ring is set, the lower end of the outer spring connects retainer ring, and the inner cavity lower end of the tailstock barrel is also inserted by internal and external threads It is connected to interior thimble, the upper center of the interior thimble is provided projectingly lower thimble, and the upper end of the lower thimble opens up location hole, positioning Inner spring is placed in hole, the T-type positioning column is inserted into location hole, and inner spring is socketed in the lower end of T-type positioning column, the knife Injection slot is constituted between loop and the upper end of upper thimble.

Preferably, by being injected with POM plastic cement in the injection slot.

Preferably, setting is isodistantly spaced between the metal blade, and metal blade is arranged no less than 1 on insert ring It is a.

Preferably, the cross section of the blade positioning slot is arranged in inverted trapezoidal.

Preferably, the two sides up and down of the outer spring are respectively provided with metallic packing.

Preferably, metallic packing is set between the magnet ring and tailstock barrel.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model passes through the injection slot that is formed, and POM plastic cement is injected in injection slot, and then by liquid-state silicon gel Excessive glue process become sealing process；

2, the utility model realizes purpose convenient to use, POM modeling by forming injection slot between tailstock barrel and upper thimble Material is for sealing the gap between mode and thimble, to achieve the purpose that control excessive glue；

3, reasonable structure design, which can be avoided, there is excessive maintenance and cleaning process, needs next time in use, only needing Tailstock barrel is dismantled, changes spare group, it is high-efficient；

4, it is relatively rotated between tailstock barrel and upper thimble by making, and then can be by metal blade along blade positioning Slot is mobile, can cut to POM plastic molding in injection slot, then may be reused, simple to operate, has Very strong practicability is conducive to marketing.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the configuration schematic diagram of the utility model；

Fig. 3 is the tailstock barrel structural schematic diagram of the utility model.

In figure: liquid-state silicon gel 1, handware 2, upper thimble 3, blade positioning slot 31, lower thimble 32, inner spring 33, interior thimble 34, location hole 35, tailstock barrel 4, annular protrusion 41, insert ring 5, metal blade 51, magnet ring 52, thread bush 6, outer spring 61, top Needle tray 7.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of no flash round needle, including liquid-state silicon gel 1, Handware 2, upper thimble 3 and interior thimble 34, handware 2 is arranged in the upper end of upper thimble 3, and liquid-state silicon is inserted on the top of upper thimble 3 In the mold slots of glue 1, T-type positioning column is arranged in the lower end central integration of upper thimble 3, and the T-type positioning column of setting can cooperate Location hole 35, the position fixing process in realization between thimble and lower thimble 32.

Blade positioning slot 31 is uniformly provided on the side wall of upper thimble 3, the cross section of blade positioning slot 31 is set in inverted trapezoidal It sets.The blade positioning slot 31 of setting, enables to metal blade 51 to move along blade positioning slot 31, can not only well by The realization of insert ring 5 moves up and down, and metal blade 51 can be allowed to move up and down, and realizes to 7 inside POM after molding of injection slot Cutting.

The outside of upper thimble 3 is successively socketed with insert ring 5, magnet ring 52, tailstock barrel 4, outer spring 61 and screw thread from top to bottom Set 6, through setting jack, the two sides up and down of outer spring 61 are respectively provided with metallic packing for the upper end of tailstock barrel 4.Pass through setting gold Belong to gasket seal, makes the cooperation between structure even closer.

The lower end of tailstock barrel 4 is provided projectingly annular protrusion 41 through setting on the outside of jack, on annular protrusion 41 successively Socket magnet ring 52 and insert ring 5, magnet ring 52 are connected on tailstock barrel 4 by perforative screw, and insert ring 5 passes through magnetic connection magnetic Ring 52, and the upper end of insert ring 5 is integrally formed and is connected with metal blade 51, and metal sealing is arranged between magnet ring 52 and tailstock barrel 4 Gasket makes the cooperation between structure even closer by the way that metallic packing is arranged.

The inwardly projecting setting in the inside of metal blade 51, and metal blade 51 is plugged in corresponding blade positioning slot 31, Setting is isodistantly spaced between metal blade 51, and metal blade 51 is arranged no less than 1 on insert ring 5.Outer spring 61 and spiral shell Line set 6 is located in the inner cavity of tailstock barrel 4, and screw thread is arranged in the lower end outside of upper thimble 3, and outer spring 61 is socketed in thimble 3 Behind lower end, thread bush 6 is socketed in the lower end of upper thimble 3 by internal and external threads, and the outer middle side part of thread bush 6 protrudes outward setting and holds Filler ring, the lower end of outer spring 61 connect retainer ring, and the inner cavity lower end of tailstock barrel 4 is also plugged with interior thimble by internal and external threads 34, the upper center of interior thimble 34 is provided projectingly lower thimble 32, and the upper end of lower thimble 32 opens up location hole 35, puts in location hole 35 Set inner spring 33, T-type positioning column is inserted into location hole 35, and inner spring 33 is socketed in the lower end of T-type positioning column, insert ring 5 with Injection slot 7 is constituted between the upper end of upper thimble 3, the utility model passes through and forms injection slot 7 between tailstock barrel 4 and upper thimble 3, real Now purpose convenient to use, POM plastic are used to seal the gap between mode and thimble, to achieve the purpose that control excessive glue

By being injected with POM plastic cement in injection slot 7.The utility model passes through the injection slot 7 formed, and is being molded POM plastic cement is injected in slot 7, and then the excessive glue process of liquid-state silicon gel is become into sealing process, controls the process of excessive glue well, The Forming Quality for greatly enhancing product, meets customer need.

Reasonable structure design, which can be avoided, there is excessive maintenance and cleaning process, needs next time in use, only needing Tailstock barrel is dismantled, changes spare group, it is high-efficient.By making to relatively rotate between tailstock barrel 4 and upper thimble 5, in turn Metal blade 51 can be moved along blade positioning slot 31, molding POM plastic in injection slot 7 can be cut, and After may be reused, it is simple to operate, have very strong practicability, be conducive to marketing.

Working principle, when the utility model is used, T-type positioning column, is then plugged on by first reasonable installation various pieces In location hole 35, thimble 3 is motionless in holding, and then rotates tailstock barrel 4, so that opposite between tailstock barrel 4 and interior thimble 34 turn It is dynamic, so that tailstock barrel 4 can be realized use process after tightening, be molded by connecting between internal and external threads and interior thimble 34 When, POM plastic cement is injected in injection slot 7, realizes the purpose of control excessive glue, after thimble ejecting product, rotates tailstock barrel 4, into And remove tailstock barrel 4 from interior thimble 34, tailstock barrel 4 is then rotated, opposite turn will be realized between tailstock barrel 4 and upper thimble 3 It is dynamic, so that metal blade 51 in the process of moving removes POM plastic cement after molding, realize clean process, so far The utility model completes work, when needing to reuse, it is only necessary to which repetition, which is replaced spare group and be can be realized, quickly installed Journey.The process of cleaning POM plastic cement is largely avoided the need for, production efficiency is improved.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of no flash round needle, including liquid-state silicon gel (1), handware (2), upper thimble (3) and interior thimble (34), the upper top Handware (2) are arranged in the upper end of needle (3), and in the mold slots of top insertion liquid-state silicon gel (1) of upper thimble (3), feature exists In: T-type positioning column is arranged in the lower end central integration of the upper thimble (3), is uniformly provided with knife on the side wall of upper thimble (3) The outside of piece locating slot (31), the upper thimble (3) is successively socketed with insert ring (5), magnet ring (52), tailstock barrel from top to bottom (4), outer spring (61) and thread bush (6), through setting jack, the lower end of tailstock barrel (4) is run through for the upper end of the tailstock barrel (4) Setting, and annular protrusion (41) are provided projectingly on the outside of jack, magnet ring (52) and knife are successively socketed on the annular protrusion (41) Loop (5), the magnet ring (52) are connected on tailstock barrel (4) by perforative screw, and the insert ring (5) passes through magnetic connection Magnet ring (52), and the upper end of insert ring (5) is integrally formed and is connected with metal blade (51), the metal blade (51) it is interior lateral It is inside provided projectingly, and metal blade (51) is plugged in corresponding blade positioning slot (31), the outer spring (61) and thread bush (6) in the inner cavity of tailstock barrel (4), screw thread is arranged in the lower end outside of upper thimble (3), and outer spring (61) is socketed in thimble (3) behind lower end, thread bush (6) is socketed in the lower end of upper thimble (3) by internal and external threads, in the outside of the thread bush (6) Portion protrudes outward setting retainer ring, and the lower end of the outer spring (61) connects retainer ring, under the inner cavity of the tailstock barrel (4) End is also plugged with interior thimble (34) by internal and external threads, and the upper center of the interior thimble (34) is provided projectingly lower thimble (32), The upper end of the lower thimble (32) opens up location hole (35), places inner spring (33) in location hole (35), and the T-type positioning column is inserted Enter in location hole (35), and inner spring (33) is socketed in the lower end of T-type positioning column, the insert ring (5) is upper with upper thimble (3) Injection slot (7) are constituted between end.

2. a kind of no flash round needle according to claim 1, it is characterised in that: pass through injection molding note in the injection slot (7) Enter to have POM plastic cement.

3. a kind of no flash round needle according to claim 1, it is characterised in that: in equidistant between the metal blade (51) From setting, and metal blade (51) is arranged no less than 1 on insert ring (5).

4. a kind of no flash round needle according to claim 1, it is characterised in that: the cross section of the blade positioning slot (31) It is arranged in inverted trapezoidal.

5. a kind of no flash round needle according to claim 1, it is characterised in that: the two sides up and down of the outer spring (61) are equal Metallic packing is set.

6. a kind of no flash round needle according to claim 1, it is characterised in that: the magnet ring (52) and tailstock barrel (4) it Between metallic packing is set.