CN208100998U - A kind of monoblock type glue-injection frock - Google Patents
A kind of monoblock type glue-injection frock Download PDFInfo
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- CN208100998U CN208100998U CN201721682468.9U CN201721682468U CN208100998U CN 208100998 U CN208100998 U CN 208100998U CN 201721682468 U CN201721682468 U CN 201721682468U CN 208100998 U CN208100998 U CN 208100998U
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- mold core
- die cavity
- seam allowance
- inner face
- monoblock type
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Abstract
The utility model discloses a kind of monoblock type glue-injection frocks, are related to drilling equipment technical field, are set in the casing outside mold core including mold core, gap, and the gap between internal surface of sleeve pipe and mold core outer wall constitutes die cavity, and the both ends of die cavity are provided with sealing structure；The both ends of the mold core offer gummosis channel in the axial direction, and the both ends of mold core are also provided with the rubber flow holes in connection gummosis channel and die cavity.The utility model can not only be such that the rubber injected in die cavity is evenly distributed in die cavity, while can effectively prevent mold core when to die cavity injecting glue and deforming, and keep the stator liner thickness being finally made uniform.
Description
Technical field
The utility model relates to drilling equipment technical fields, in particular to a kind of monoblock type glue-injection frock.
Background technique
Screw pump (helicoid hydraulic motor) stator liner that oil field generally uses at present is made of rubber, and the appearance of bushing is
Hollow cylindrical, outer wall are closely as one with stator steel bushing.And existing production method is by stator rubber of screw drilling tools
From the conehead injection being located in the middle part of tooling, making to enter to the rubber in the space between stator case and mandrel, two sides flow to the left and right
It is dynamic, until being full of entire space.But during the injecting glue, conehead injection rubber pressure is larger, makes the rubber entered from conehead
Glue can apply a downward active force to mandrel, to make to be easily bent in the middle part of mandrel, finally make the entirety produced
Straightness changes, and the uneven thickness for the stator liner produced, when in underground work by high temperature and squeezing action,
Inhomogeneous deformation can occur for stator liner, eventually reduce stator housing of screw drill and rotor engagement precision, work is caused to imitate
Rate decline.
Utility model content
The purpose of this utility model is to provide a kind of monoblock type glue-injection frocks, to solve the above problems.
To realize the utility model aim, the technical solution used for：A kind of monoblock type glue-injection frock, including mold core,
Gap is set in the casing outside mold core, and the gap between internal surface of sleeve pipe and mold core outer wall constitutes die cavity, and the both ends of die cavity are respectively provided with
There is sealing structure；The both ends of the mold core offer gummosis channel in the axial direction, and the both ends of mold core are also provided with company
The rubber flow holes in through-flow glue channel and die cavity.
Further, the sealing structure includes the clamping sleeve being locked on casing and the tapered sleeve with compression cover locking；Institute
It states clamping sleeve clamping to be set between casing and mold core, tapered sleeve is set on mold core, and the inner wall of the outer wall of tapered sleeve and clamping sleeve
Between seal cooperation.
Further, the tapered sleeve includes inner face seam allowance portion and compressed part, and inner face seam allowance portion is located at the interior of compressed part
End, and the inner face of inner face seam allowance portion and clamping sleeve cooperates.
Further, sealing ring is also arranged in the compressed part, sealing ring is pushed against inner face seam allowance portion and clamping sleeve
Inner face between.
Further, chamfering is offered in inner face seam allowance portion, seam allowance, and inner face seam allowance portion is offered on mold core
Inside be fastened in seam allowance.
Further, the outer end of the clamping sleeve is provided with the outer end face seam allowance portion with the cooperation of the nozzle end face of casing,
And sealing structure further includes the locking nut for locking end face seam allowance portion, and locking nut is set on mold core.
Further, the rubber flow holes are to being obliquely installed in the middle part of die cavity, and the central axis of rubber flow holes and gummosis channel
Central line between angle be 40 ° ~ 45 °.
Further, the rubber flow holes positioned at the mold core both ends are multiple, and multiple rubber flow holes are equal along mold core circumference
Even arrangement.
Further, one end of the mold core is connected with plastic emitting plug, and the other end of mold core is connected with tapered joint
Head, and taper joint front end is also connected with and is provided with spray head.
The utility model has the beneficial effects that
For rubber in the utility model during carrying out injecting glue, rubber is entered by the gummosis channel of mold core one end,
Then it is entered in die cavity by the rubber flow holes on mold core, and when being full of rubber in die cavity, extra rubber is i.e. logical in die cavity
The rubber flow holes for crossing the mold core other end enter in another gummosis channel.The utility model can not only make the rubber injected in die cavity
It is evenly distributed in die cavity, while can effectively prevent mold core when to die cavity injecting glue and deforming, make the stator being finally made
Insert thickness is uniform, makes stator liner that homogeneous deformation can occur under hot operation, thus improve stator housing of screw drill with
The precision of rotor engagement.
Detailed description of the invention
Fig. 1 is the cross-sectional view of monoblock type glue-injection frock provided by the utility model；
Fig. 2 is the cross-sectional view of mold core in Fig. 1；
Fig. 3 is the cross-sectional view of clamping sleeve in Fig. 1；
Fig. 4 is the cross-sectional view of tapered sleeve in Fig. 1；
Label and corresponding parts title in attached drawing：
1, mold core, 2, casing, 3, die cavity, 4, sealing structure, 5, gummosis channel, 6, rubber flow holes, 7, clamping sleeve, 8, cone
Set, 9, sealing ring, 10, seam allowance, 11, locking nut, 12, plastic emitting plug, 13, taper joint, 14, spray head, 71, outer end face seam allowance
Portion, 81, inner face seam allowance portion, 811, chamfering, 82, compressed part.
Specific embodiment
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
A kind of shown monoblock type glue-injection frock provided by the utility model of Fig. 1 to Fig. 4, including mold core 1, gap are arranged
Casing 2 outside mold core 1, the gap between 1 outer wall of 2 inner wall of casing and mold core constitutes die cavity 3, and the both ends of die cavity 3 are respectively provided with
There is sealing structure 4；The both ends of the mold core 1 offer gummosis channel 5 in the axial direction, and the both ends of mold core 1 also open up
There are the rubber flow holes 6 in connection gummosis channel 5 and die cavity 3.
The mold core 1 and casing 2 are coaxial arrangement, and in the presence of between centainly between the outer wall of mold core 1 and the inner wall of casing 2
Gap, and the gap constitutes die cavity 3, while the middle part of mold core 1 is provided with external screw thread, external screw thread is located in die cavity 3, and it is manufactured fixed to make
Sub- bushing has internal thread structure.Sealing structure 4 is set at both ends by die cavity 3, die cavity 3 is made to constitute the die cavity 3 of a sealing；
The central axis in the gummosis channel 5 at 1 both ends of mold core is on the central axis of mold core 1, and the outer end in two gummosis channels 5 point
It is not concordant with two of mold core 1, and the rubber flow holes 6 at 1 both ends of mold core lead to two gummosis channels 5 positioned at 1 both ends of mold core respectively
The rubber flow holes 6 for crossing both ends are connected to die cavity 3, and the rubber entered by one end gummosis channel 5 is enable to first pass through the rubber flow holes 6 at the end
It enters in die cavity 3, when being filled up in die cavity 3 by rubber, extra rubber enters the stream at the end by the rubber flow holes 6 of the other end
In glue channel 5.When rubber by gummosis channel 5 and rubber flow holes 6 when being entered in die cavity 3, the pressure that rubber generates will not be applied
It is added on mold core 1, so that mold core 1 be effectively prevent to deform, keeps the stator liner thickness produced uniform.
The sealing structure 4 includes the clamping sleeve 7 being locked on casing 2 and the tapered sleeve 8 with the locking of clamping sleeve 7；The pressure
Fixed 7 clamping is set between casing 2 and mold core 1, and tapered sleeve 8 is set on mold core 1, and the outer wall of tapered sleeve 8 and clamping sleeve 7 is interior
Cooperation is sealed between wall.It first passes through locking nut 11 clamping sleeve 7 is locked between casing 2 and mold core 1, then consolidates tapered sleeve 8
Surely it is arranged on mold core 1, to make clamping sleeve 7 and tapered sleeve 8 that die cavity 3 be carried out lock sealing jointly, effectively prevent 3 gas leakage of die cavity,
It effectively prevent the stator liner being fabricated to generate flash, improves the quality of stator liner.
The tapered sleeve 8 includes inner face seam allowance portion 81 and compressed part 82, and inner face seam allowance portion 81 is located at the interior of compressed part 82
End, and the inner face of inner face seam allowance portion 81 and clamping sleeve 7 cooperates.Make tapered sleeve 8 formed T-type structure, when the pressure in die cavity 3 compared with
Greatly, the inner face seam allowance portion 81 and on tapered sleeve 8 will receive the thrust to 3 outer end of die cavity, at this time the inner face meeting of clamping sleeve 7
One barrier force is applied to inner face seam allowance portion 81, preventing tapered sleeve 8, tapered sleeve 8 can be to outside die cavity 3 when by thrust outward
End movement, improves the locking effect of tapered sleeve 8, while tapered sleeve 8 and clamping sleeve 7 being made to constitute pressure self-tightening sealing effect, makes mould
The tightness of chamber 3 is higher.When inner face seam allowance portion 81 blocks rubber flow holes 6, then opens up and flow in inner face seam allowance portion 81
The corresponding through-hole in glue hole 6 guarantees that the rubber in gummosis channel 5 can smoothly enter in die cavity 3.
Sealing ring 9 is also arranged in the compressed part 82, sealing ring 9 is pushed against inner face seam allowance portion 81 and clamping sleeve 7
Between inner face.The inner wall of the periphery of the sealing ring 9 and casing 2 cooperates, the periphery of sealing ring 9 and compressed part 82 it is outer
Disc cooperation, and the inner face of an end face of sealing ring 9 and clamping sleeve 7 cooperates, another end face of sealing ring 9 and inner face
The outside in seam allowance portion 81 cooperates；During the injecting glue into die cavity 3, inner face seam allowance portion 81 is by 3 outer end of die cavity
When thrust, inner face seam allowance portion 81 can make sealing ring 9 be pressed on inner face seam allowance in the thrust to sealing ring 9 being subject to
Between portion 81 and the inner face of clamping sleeve 7, greatly improve the sealing effect between inner face seam allowance portion 81 and clamping sleeve 7.
Chamfering 811 is offered in inner face seam allowance portion 81, and seam allowance 10, and inner face seam allowance portion are offered on mold core 1
81 inside is fastened in seam allowance 10.By the way that chamfering 811 is arranged in inner face seam allowance portion 81, make structure in inner face seam allowance portion 81
At a lock corner, and the clamping between inner face seam allowance portion 81 and seam allowance 10 is the lock corner in inner face seam allowance portion 81
It is locked in seam allowance 10, improves the sealing between tapered sleeve 8 and mold core 1.When being provided with external screw thread on mold core 1, seam allowance 10 is located at
On externally threaded end face；When being optical axis in the middle part of mold core 1, and the diameter at 1 middle part of mold core is greater than the diameter at 1 both ends of mold core, mold core 1
The junction of middle part and 1 end of mold core forms step-like, and the right angle is at seam allowance 10 at this time, and inner face seam allowance portion 81
Inside be directly fastened at the step.
The outer end of the clamping sleeve 7 is provided with the outer end face seam allowance portion 71 with the cooperation of the nozzle end face of casing 2, and seals
Structure 4 further includes locking end face seam allowance 10 locking nuts 11, and locking nut 11 is set on mold core 1.By tightening lock
Tight nut 11 effectively prevent clamping sleeve 7 to move in casing 2, mentions so that clamping sleeve 7 is locked between casing 2 and tapered sleeve 8
The locking effect of high clamping sleeve 7, while keeping the locking of clamping sleeve 7 more convenient.
The rubber flow holes 6 are obliquely installed to the middle part of die cavity 3, and the center of the central axis of rubber flow holes 6 and gummosis channel 5
Angle between straight line is 40 ° ~ 45 °.The rubber entered in gummosis channel 5 is set to be tilted by inclined rubber flow holes 6
In die cavity 3, the stroke for spraying rubber from rubber flow holes 6 can not only be increased, reduce the pressure that rubber applies 2 inner wall of casing；Simultaneously
The rubber flowed out by gummosis mouth can also be made quickly to flow to the other end of die cavity 3, rubber is enable rapidly and uniformly to fill out die cavity 3
It is full, it prevents from generating air in die cavity 3, improves the quality of stator liner.
Rubber flow holes 6 positioned at 1 both ends of mold core be it is multiple, multiple rubber flow holes 6 are uniformly arranged along 1 circumference of mold core
Cloth.The rubber in one end gummosis channel 5 is set to uniformly enter in die cavity 3 along the circumferencial direction of mold core 1, and when in die cavity 3
Rubber when filling up, extra rubber can uniformly be drained into the other end by the rubber flow holes 6 of 1 other end of mold core in die cavity 3
In gummosis channel 5, keep the flowing of rubber more uniform steady.One end of the mold core 1 is connected with plastic emitting plug 12, mold core
1 other end is connected with taper joint 13, and 13 front end of taper joint is also connected with and is provided with spray head 14.
When needing injecting glue, first plastic emitting plug 12 is removed, the rubber after being plasticized at this time first passes through spray head 14 and enters cone
Connector 13, the rubber entered in taper joint 13 enter back into the gummosis channel 5 at the end, enter in the end gummosis channel 5
The rubber flow holes 6 that rubber passes through the end again enter in die cavity 3, when rubber fills up when in die cavity 3, extra rubber in die cavity 3
It is entered in the gummosis channel 5 at the end by the gummosis mouth of 1 other end of mold core, passes through plastic emitting plug 12 at this time for the end of mold core 1
Gummosis channel 5 blocked, i.e., completion stator liner production.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of monoblock type glue-injection frock, which is characterized in that be set in the casing outside mold core, internal surface of sleeve pipe including mold core, gap
Gap between mold core outer wall constitutes die cavity, and the both ends of die cavity are provided with sealing structure；It opens at the both ends of the mold core
Equipped with gummosis channel in the axial direction, and the both ends of mold core are also provided with the rubber flow holes in connection gummosis channel and die cavity.
2. monoblock type glue-injection frock according to claim 1, which is characterized in that the sealing structure includes being locked at casing
On clamping sleeve and with compress cover locking tapered sleeve；The clamping sleeve clamping is set between casing and mold core, and tapered sleeve is set in
On mold core, and cooperation is sealed between the outer wall of tapered sleeve and the inner wall of clamping sleeve.
3. monoblock type glue-injection frock according to claim 2, which is characterized in that the tapered sleeve include inner face seam allowance portion and
Compressed part, inner face seam allowance portion is located at the inner end of compressed part, and the inner face of inner face seam allowance portion and clamping sleeve cooperates.
4. monoblock type glue-injection frock according to claim 3, which is characterized in that be also arranged with sealing in the compressed part
Circle, sealing ring are pushed against between inner face seam allowance portion and the inner face of clamping sleeve.
5. monoblock type glue-injection frock according to claim 3, which is characterized in that the inner face seam allowance offers down in portion
Angle offers seam allowance on mold core, and is fastened in seam allowance on the inside of inner face seam allowance portion.
6. according to monoblock type glue-injection frock described in Claims 2 or 3 or 4, which is characterized in that the outer end of the clamping sleeve is set
It is equipped with the outer end face seam allowance portion with the cooperation of the nozzle end face of casing, and sealing structure further includes the locking screw for locking end face seam allowance portion
Mother, and locking nut is set on mold core.
7. monoblock type glue-injection frock according to claim 1, which is characterized in that the rubber flow holes are tilted to the middle part of die cavity
Setting, and the angle between the central axis of rubber flow holes and the central line in gummosis channel is 40 ° ~ 45 °.
8. monoblock type glue-injection frock according to claim 1 or claim 7, which is characterized in that the gummosis positioned at the mold core both ends
Hole be it is multiple, multiple rubber flow holes are uniformly arranged along mold core circumference.
9. monoblock type glue-injection frock according to claim 1, which is characterized in that one end of the mold core is connected with out
Glue plug, the other end of mold core is connected with taper joint, and taper joint front end is also connected with and is provided with spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682468.9U CN208100998U (en) | 2017-12-06 | 2017-12-06 | A kind of monoblock type glue-injection frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682468.9U CN208100998U (en) | 2017-12-06 | 2017-12-06 | A kind of monoblock type glue-injection frock |
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| Publication Number | Publication Date |
|---|---|
| CN208100998U true CN208100998U (en) | 2018-11-16 |
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ID=64131445
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682468.9U Active CN208100998U (en) | 2017-12-06 | 2017-12-06 | A kind of monoblock type glue-injection frock |
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| Country | Link |
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| CN (1) | CN208100998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819170A (en) * | 2018-06-11 | 2018-11-16 | 太仓市兴益披覆有限公司 | plastic extruder |
| CN110639773A (en) * | 2019-09-29 | 2020-01-03 | 昆山悦普达自动化科技有限公司 | Glue injection tool operation method |
-
2017
- 2017-12-06 CN CN201721682468.9U patent/CN208100998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819170A (en) * | 2018-06-11 | 2018-11-16 | 太仓市兴益披覆有限公司 | plastic extruder |
| CN110639773A (en) * | 2019-09-29 | 2020-01-03 | 昆山悦普达自动化科技有限公司 | Glue injection tool operation method |
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