CN209395171U - A kind of mould structure of fast slotting retaining ring - Google Patents

Abstract

The utility model relates to plastic moulds technology field, especially a kind of mould structure of fast slotting retaining ring.The mould structure of the fast slotting retaining ring, it include: cover half, dynamic model, first sliding block, second sliding block, top plate, first sliding block described in when the dynamic model is moved to die sinking position from die-closed position and second sliding block are moved to de-molding position from mode locking position respectively, the dynamic model is fixed with stem, first sliding block, second sliding block and the stem cooperatively form the type chamber of the fast slotting retaining ring, the dynamic model includes stripper plate, the stem passes through the stripper plate and first sliding block, the second sliding block cooperation, the stripper plate is connected and fixed with the top plate, the stripper plate respectively with first sliding block, second sliding block, the stem is slidably connected.In the present invention, by the mould structure production of the fast slotting retaining ring, slotting retaining ring, the production cycle greatly shortened improve production efficiency and solve the problems, such as retaining ring not easy mold release fastly.

Description

A kind of mould structure of fast slotting retaining ring

Technical field

The utility model relates to plastic moulds technology field, especially a kind of mould structure of fast slotting retaining ring.

Background technique

Pipe fitting joint is the fastening means between pipeline and pipeline, is the tie point that can be dismounted between element and pipeline. Since pipe fitting belongs to dismountable connecting element, normal stable connection, leakproofness be strong, Sizes, pressure meeting for it Power is lost except good etc. the requirement of small, processing performance, it is necessary to meet that dismounting is convenient to be required.

Referring to Figure 1, it is flexible to disclose a kind of high-tenacity for the Chinese utility model patent of Publication No. CN203614972U Fast joint of waterpipe includes fast interpolating unit and flexible water pipe interconnecting piece, and the flexible water pipe interconnecting piece is: being inserted in flexible water pipe It is provided with the cylindrical body with mesoporous between adapter tube and fast interpolating unit, is provided with external screw thread outside cylindrical body, cylindrical body and insertion pipe, The fast same axis of interpolating unit is simultaneously integrally formed, and diameter > insertion pipe diameter of cylindrical body is formed with platform between cylindrical body and insertion pipe Terrace is set with claw 6 (retaining ring) outside insertion pipe, is set with that prevent flexible water pipe from falling off tight outside insertion pipe and claw Gu cap 7, fastening cap is screwed onto outside cylindrical body, and bulge loop 8 is provided in fastening cap, and the utility model in fastening cap by being arranged Bulge loop limits the claw that flexible water pipe expands and strut claw, prevents flexible water pipe to be detached from from quick coupling due to expansion, mention Connective stability between the flexible water pipe of height and quick coupling.But bulge loop is set in fastening cap in processing with higher Difficulty of processing.

Currently, the retaining ring generallyd use is generally by the composite material system of rubber material or metal material and the two , whole beveling opening is set in retaining ring, retaining ring is made to have certain shrinkage, when band internal thread locking cap revolves When tight, retaining ring is gradually compacted, and still, only uses retaining ring made from rubber material since material is softer, and the coefficient of expansion is big, by Heat is big by cold deformation, is easy to produce leak, more serious using deforming after primary, cannot reuse, compared with waste of resource；By gold Belong to retaining ring made from material since hardness is higher, elasticity is smaller, deforms after compression small, it is not easy to pipeline be compressed, and produced It makes trouble；Although solving defect existing for clamp ring to a certain extent using retaining ring made from composite material, Since the retaining ring with cutting opening is difficult to restore reset condition after one-time use, need to dismantle refitting in installation process When the clamp ring that still must more renew, cause to waste.

Fig. 2 is referred to, the Chinese invention patent of Publication No. CN102615249A discloses a kind of for casting retaining ring Mold, including upper mold (1), lower mold (2) and sand core (3), after upper mold (1), lower mold (2) and sand core (3) combination, shape At the casting mold cavity of retaining ring to be cast, the sand core (3) and upper mold (1) are fixed, and sand core is fixed with upper mold, when installation, As a whole with lower die assembly, the faying face of upper mold and lower mold can generally guarantee level for sand core and upper mold, Accordingly even when have the grains of sand or other sundries on lower mold, sand core also can guarantee it is horizontal do not tilt, this guarantees retaining ring wall thickness, There has also been raisings for the qualification rate of casting.

The mold production cycle length of the casting retaining ring is low so as to cause production efficiency.

Utility model content

The utility model aim is to provide a kind of mold knot of fast slotting retaining ring with short production cycle and high production efficiency Structure.

In order to achieve the above-mentioned advantages, the mould structure of fast slotting retaining ring provided by the utility model includes: cover half, dynamic model, first Sliding block, the second sliding block and top plate, when the dynamic model is moved to die sinking position from die-closed position described in the first sliding block and described Two sliding blocks are moved to de-molding position from mode locking position respectively, and the dynamic model is fixed with stem, and first sliding block, described second are slided Block and the stem cooperatively form the type chamber of the fast slotting retaining ring, and the dynamic model includes stripper plate, and the stem passes through described de- Template and first sliding block, second sliding block cooperate, and the stripper plate is connected and fixed with the top plate, the stripper plate point It is not slidably connected with first sliding block, second sliding block, the stem.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the dynamic model further include: first Template and the second template, first template and the fixed stem of second template cooperation.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the stripper plate and the top plate It is connected and fixed by mandril.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the mold of the fast slotting retaining ring Structure further includes the upper compound plate being connected and fixed with the cover half, the station foot being connected and fixed with the dynamic model and lower compound plate, described dynamic Mould is connected and fixed by the station foot and the lower compound plate.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the cover half is fixed with for driving Move the first guide post, the second guide post that first sliding block, second sliding block are moved to de-molding position from mode locking position respectively.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, first guide post, described the The section of two guide posts is round or rectangular.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the mold of the fast slotting retaining ring Structure further includes locking ring body, which includes: the locking support portion of symmetrical arc tight lock part, annular, described It is fixedly connected between tight lock part and the locking support portion by connecting plate.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the appearance of the arc tight lock part Face has cone locking face, and there are the inner surface of the arc tight lock part multiple sections towards the locking support portion gradually to become Big the first back-off for forming laciniation.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the locking support portion is towards institute The end face for stating arc tight lock part is equipped with multiple protrusions being arranged circumferentially along the fast slotting retaining ring central axis, the protrusion Inner surface be equipped with second back-off.

In one embodiment of the mould structure of the fast slotting retaining ring of the utility model, the retaining ring slotting fastly is integrated Molding, and be made of plastics.

In the present invention, tight using fast mortise lock is produced by way of being molded the mould structure of the fast slotting retaining ring Ring is produced relative to by the way of casting, the production cycle greatly shortened, improves production efficiency.

In the present invention, locking ring body is provided with the first back-off, the second back-off, and the first back-off, the second back-off are Laciniation is not easily disconnected from pipeline while facilitating insertion pipeline；Arc tight lock part and protrusion can generate outside Flexible deformation solves the problems, such as that locking ring body is not easy to demould.

Detailed description of the invention

Fig. 1 show a kind of structural schematic diagram of the flexible fast joint of waterpipe of existing high-tenacity.

Fig. 2 show existing a kind of for casting the structural schematic diagram of the mold of retaining ring.

Fig. 3 show the structural schematic diagram of the mould structure of the fast slotting retaining ring of the utility model first embodiment.

Fig. 4 show the explosive view of the mould structure of the fast slotting retaining ring of Fig. 3.

Fig. 5 show the cross-sectional view of the mould structure of the fast slotting retaining ring of Fig. 3.

Fig. 6 show the partial enlarged view at the C of Fig. 5.

Fig. 7 show the dynamic model of the mould structure of the fast slotting retaining ring of Fig. 3 and the attachment structure schematic diagram of stem.

Fig. 8 show the structural schematic diagram of the stem of the mould structure of the fast slotting retaining ring of Fig. 7.

Fig. 9 show the stripper plate of the mould structure of the fast slotting retaining ring of Fig. 3 and the attachment structure schematic diagram of top plate.

Figure 10 show the structural schematic diagram of the locking ring body of the mould structure of the fast slotting retaining ring of Fig. 3.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect, Detailed description is as follows.

Fig. 3-4 is referred to, the mould structure of the fast slotting retaining ring of the utility model first embodiment includes: upper compound plate 1, determines Mould 2, dynamic model 3, the first sliding block 4, the second sliding block 5 and top plate 6, foot 7 of standing, lower compound plate 8.

Cover half 2 is connected and fixed with upper compound plate 1, and dynamic model 3 is connected and fixed by foot 7 of standing with lower compound plate 8.Dynamic model 3 from molding position It sets the first sliding block 4 and the second sliding block 5 when being moved to die sinking position and is moved to de-molding position from mode locking position respectively.

Fig. 5 is referred to, cover half 2 is fixed with for driving the first sliding block 4, the second sliding block 5 to be moved to respectively from mode locking position The first guide post 41, the second guide post 51 of de-molding position.First guide post 41, the second guide post 51 section be round or rectangular.First Sliding block 4 and the second sliding block 5 cooperatively form the runner A of injection molding.

Fig. 6 is referred to, dynamic model 3 is fixed with stem 31, and the first sliding block 4, the second sliding block 5 cooperatively form fast mortise lock with stem 31 The type chamber B of tight ring.

Fig. 7-8 is referred to, the middle part of stem 31 has the linkage section 310 for being slidably matched with stripper plate 32, linkage section 310 section is gradually increased downwards.The lower end of stem 31 has positioning region 311, and positioning region 311 is for preventing stem 31 from using It is rotated in the process to influence the quality of product.

Specifically, dynamic model 3 includes stripper plate 32, the first template 33, the second template 34, stem 31 passes through stripper plate 32 and the One sliding block 4, the cooperation of the second sliding block 5.First template 33 and the second template 34 cooperate fixed stem 31.First template 33 and the second mould Plate 34 is connected and fixed by foot 7 of standing with lower compound plate 8.

Fig. 5, Fig. 9 are referred to, stripper plate 32 is equipped with the through-hole 320 cooperated with the linkage section 310 of stem 31, through-hole 320 Section becomes larger downwards, makes stripper plate 32 be convenient for sliding towards the upper end of stem 31, while the precision cooperated is also easy to control. The radial dimension of the small end of through-hole 320 is less than the bottom outer diameter of fast slotting retaining ring.

Stripper plate 32 is slidably connected with the first sliding block 4, the second sliding block 5, stem 31 respectively.Stripper plate 32 is connect with top plate 6 It is fixed.Further, stripper plate 32 is connected and fixed with top plate 6 by more equally distributed mandrils 9.It is driven in the top rod of injection molding machine Dynamic top plate 6 drives stripper plate 32 to slide towards the upper end of stem 31 when mobile towards ejection position.First template 33 and the second mould Plate 34 is equipped with the jogger hole for allowing mandril 9 to pass through.Preferably, the radial dimension of jogger hole is greater than the outer diameter of mandril 9.

Referring to Figure 10, the mould structure of fast slotting retaining ring further includes locking ring body 100, and locking ring body 100 includes: The locking support portion 102 of symmetrical arc tight lock part 101, annular, passes through between arc tight lock part 101 and locking support portion 102 Connecting plate 103 is fixedly connected.

The outer surface of arc tight lock part 101 has cone locking face 101A, and the inner surface of arc tight lock part 101 has multiple The the first back-off 101B to form laciniation is become larger towards the section in locking support portion 102.

Locking support portion 102 is equipped with multiple circumferential along fast slotting retaining ring central axis towards the end face of arc tight lock part 101 The inner surface of the raised 102A being evenly arranged, raised 102A are equipped with the second back-off 102B.

Preferably, locking ring body 100 is integrally formed, and is made of plastics.

By the way that cone locking face 101A is arranged in the outer surface of arc tight lock part 101, cone locking face 101A, which is pressurized, to be generated Inside flexible deformation fastens the outer surface for being stuck in connecting pipe of the first back-off 101B, the second back-off 102B more, is not easy It falls off, keeps locking effect preferable, and lock ring body 100 to resile after removing shape, can reuse.

Fig. 4 is referred to, the mould structure of fast slotting retaining ring successively includes: upper compound plate 1, cover half 2, the first sliding block from top to bottom 4, the second sliding block 5, stripper plate 32, the first template 33, the second template 34, top plate 6, foot 7 of standing, lower compound plate 8.First sliding block 4 and Two sliding blocks 5 are between cover half 2 and stripper plate 32, and sliding realization is de- toward the left and right direction respectively for the first sliding block 4, the second sliding block 5 Mould.Top plate 6 and station foot 7 are respectively positioned on the top of lower compound plate, and top plate 6 is also located between two station feet 7.Stripper plate 32 is axial along stem 31 Sliding.

The working principle of the mould structure of fast slotting retaining ring:

After mold injection, injection molding machine drives dynamic model 3 mobile from die-closed position towards die sinking position, in mobile mistake Cheng Zhong, the first guide post 41, the second guide post 51 respectively drive the first sliding block 4, the second sliding block 5 is positioned against de-molding position from mode locking and moves Dynamic, until dynamic model 3 is moved to die sinking position, the first sliding block 4 and the second sliding block 5 complete demoulding；At this point, molding locking ring body 100 are located on stem 31, and the top rod driving driving of top plate 6 of injection molding machine is mobile towards ejection position, to drive 32 direction of stripper plate The upper end of stem 31 is mobile, since the small end size of the through-hole 320 of stripper plate 32 is less than the bottom outer diameter of locking ring body 100, Therefore ring body 100 is locked after stripper plate 32 is contacted with the bottom of locking ring body 100 be demolded plate 32 towards on stem 31 End pushes arc lower tight lock part 101 and protrusion 102A to generate outside flexible deformation, is buckled to the first back-off 101B and second 102B is easier detached from stem 31, to complete the demoulding of mold.

In the present invention, tight using fast mortise lock is produced by way of being molded the mould structure of the fast slotting retaining ring Ring is produced relative to by the way of casting, the production cycle greatly shortened, improves production efficiency.

In the present invention, locking ring body is provided with the first back-off, the second back-off, and the first back-off, the second back-off are Laciniation is not easily disconnected from pipeline while facilitating insertion pipeline；Arc tight lock part and protrusion can generate outside Flexible deformation solves the problems, such as that locking ring body is not easy to demould.

More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of mould structure of fast slotting retaining ring, comprising: cover half, dynamic model, the first sliding block, the second sliding block and top plate, it is described First sliding block described in when dynamic model is moved to die sinking position from die-closed position and second sliding block are moved to from mode locking position respectively De-molding position, which is characterized in that the dynamic model is fixed with stem, and first sliding block, second sliding block are matched with the stem The type chamber for forming the fast slotting retaining ring is closed, the dynamic model includes stripper plate, and the stem passes through the stripper plate and described first Sliding block, second sliding block cooperation, the stripper plate are connected and fixed with the top plate, and the stripper plate is sliding with described first respectively Block, second sliding block, the stem are slidably connected.

2. the mould structure of fast slotting retaining ring according to claim 1, which is characterized in that the dynamic model further include: first Template and the second template, first template and the fixed stem of second template cooperation.

3. the mould structure of fast slotting retaining ring according to claim 1, which is characterized in that the stripper plate and the top plate It is connected and fixed by mandril.

4. the mould structure of fast slotting retaining ring according to claim 1, which is characterized in that the mold of the fast slotting retaining ring Structure further includes the upper compound plate being connected and fixed with the cover half, the station foot being connected and fixed with the dynamic model and lower compound plate, described dynamic Mould is connected and fixed by the station foot and the lower compound plate.

5. the mould structure of fast slotting retaining ring according to claim 1, which is characterized in that the cover half is fixed with for driving Move the first guide post, the second guide post that first sliding block, second sliding block are moved to de-molding position from mode locking position respectively.

6. the mould structure of fast slotting retaining ring according to claim 5, which is characterized in that first guide post, described the The section of two guide posts is round or rectangular.

7. the mould structure of fast slotting retaining ring according to claim 1, which is characterized in that the mold of the fast slotting retaining ring Structure further includes locking ring body, which includes: the locking support portion of symmetrical arc tight lock part, annular, described It is fixedly connected between tight lock part and the locking support portion by connecting plate.

8. the mould structure of fast slotting retaining ring according to claim 7, which is characterized in that the appearance of the arc tight lock part Face has cone locking face, and there are the inner surface of the arc tight lock part multiple sections towards the locking support portion gradually to become Big the first back-off for forming laciniation.

9. the mould structure of fast slotting retaining ring according to claim 7, which is characterized in that the locking support portion is towards institute The end face for stating arc tight lock part has multiple protrusions being arranged circumferentially along the fast slotting retaining ring central axis, the protrusion Inner surface be equipped with second back-off.

10. inserting the mould structure of retaining ring fastly according to any one of claim 7-9, which is characterized in that described fast Slotting retaining ring is integrally formed, and is made of plastics.