CN207240743U - For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch - Google Patents
For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch Download PDFInfo
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- CN207240743U CN207240743U CN201721876943.6U CN201721876943U CN207240743U CN 207240743 U CN207240743 U CN 207240743U CN 201721876943 U CN201721876943 U CN 201721876943U CN 207240743 U CN207240743 U CN 207240743U
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- interior axle
- outer tube
- cover half
- moulding
- internal thread
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Abstract
It the utility model is related to for without spin-ended structure,The injection moulding apparatus of the double internal thread mouldings of different pitch,Moulding has external screw thread and two pitch difference internal threads and is provided with interface arrangment,Injection moulding apparatus includes the dynamic model block with preceding mould and the cover half block with two symmetrical sliding blocks and rear mold,Preceding mould,Rear mold and two sliding blocks close to form injection molding cavity body,Rear mold is threaded shaft,Cover half block also has the actuating unit of ejecting mechanism and threaded shaft,The clamping mechanism circumferentially spacing for interface arrangment is provided with cover half block,Threaded shaft is the double shafts of piston type,The double shafts of piston type include the outer tube and interior axle of inside and outside suit,There are corresponding with two internal threads of moulding the first external screw thread and the second external screw thread in outer tube and interior axle upper end respectively,The radial hole for the strip that interior axle is provided with axially disposed,Outer tube is provided through the connecting rod of radial hole,Connecting rod and radial hole cooperatively form outer tube and the synchronous rotary unit and axial slip unit of interior axle.
Description
Technical field
The utility model belongs to injection molding technology field, and in particular to for without spin-ended structure, the double internal thread notes of different pitch
The injection moulding apparatus of plastic.
Background technology
At present, screwed pipe fitting moulding is produced, if internal thread must then use rotating stripping demoulding, and product must
Spin-ended location structure must be carried；External screw thread then generally uses half die, i.e., externally threaded cavity is split, simple in structure, takes off
Mould is convenient.For being provided simultaneously with internal and external threads, and the injection molding pipe part that double internal thread pitch are different, although rare, the prior art
In can be by being first molded external screw thread, and double internal threads can only meet the requirement of a screw thread injection, double internal threads in injection
The synchronous demoulding is can not achieve, secondary machine is needed or takes screw thread mold insert mode to carry out improving double internal threads manually, in the prior art
There is no one-time formed internal and external threads and without spin-ended structure tubing products, in addition, if there are two of different pitch in pipe fitting
Internal thread, then fine pitch position can be damaged by way of single mandrel rotating stripping demoulding, therefore, for possessing different pitch
Double internal thread tube pieces are, it is necessary to be designed injection moulding apparatus.
Utility model content
The utility model compensate for the defects of prior art, there is provided one kind is used for double interior without spin-ended structure, different pitch
The injection moulding apparatus of screw thread moulding, the injection moulding apparatus can smoothly carry out double internal threads of different pitch in moulding with no damage
Rotating stripping demoulding, rotating stripping demoulding of two internal threads of different pitch can be achieved.
The concrete technical scheme of the utility model is：
It is outer to be provided with for the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch, the moulding
The pipe fitting of screw thread and two pitch difference internal threads, pipe fitting upper end are provided with interface arrangment, and injection moulding apparatus is included with preceding mould
Dynamic model block and the cover half block with two symmetrical sliding blocks and rear mold, preceding mould, rear mold and two sliding blocks close to form injection molding cavity
Body, dynamic model block are provided with the injecting hole communicated with injection cavity, and rear mold is the threaded shaft for rotating stripping demoulding, and cover half block is also set
The ejecting mechanism for moulding and the actuating unit for threaded shaft are equipped with, key point is set on the cover half block
The circumferentially spacing clamping mechanism of interface arrangment is useful for, the threaded shaft is the double shafts of piston type, and the double shafts of piston type include
The outer tube and interior axle of inside and outside suit, outer tube and interior axle upper end be respectively arranged with outside two internal threads of moulding corresponding first
Screw thread and the second external screw thread, the radial hole for the strip that interior axle is provided with axially disposed, outer tube are provided through footpath
To the connecting rod of through hole, connecting rod and through hole are engaged the synchronous rotary unit and axial slip unit to form outer tube and interior axle.
The clamping mechanism includes the power shovel being installed in dynamic model block operative end surface and positioned at cover half block working end
Guide groove and the manipulator with clamping jaw along guide groove slip and end, clamping jaw on face are to be inserted with moulding upper end interface arrangment
The shape of cooperation is connect, power shovel includes the straightway of root and the tilting section of end, is provided with manipulator for power shovel
Perforative dynamic trough, the tilting section and dynamic trough of power shovel, which match, merges the thrust list of the displacement formation manipulator by dynamic model block
Member.
The limit spring for manipulator is installed in guide groove outer end in the cover half block.
The interior axle includes carry the second externally threaded active section and the adjustment section with radial hole, active section with
Adjustment section is respectively arranged with mating radial direction card slot and radial direction fixture block in link position.
The beneficial effects of the utility model are：The utility model carries out different two of pitch by the double shafts of piston type
The shaping and the demoulding of internal thread, the double shafts of piston type are outer come what is be attached by the connecting rod and radial hole that are slidably matched
Pipe and interior axle, connecting rod and radial hole, which are engaged, can make outer tube and interior axle form synchronous rotation, due to outer tube upper end
First external screw thread is different with the second externally threaded pitch of interior axle upper end, therefore both axial displacements in the case of same rotating speed
Difference, and the axial slip unit that the radial hole of connecting rod and strip is formed just provides sliding distance for the displacement difference,
Since the easily damaged problem of fine pitch external screw thread caused by different pitch is resolved between outer tube and interior axle, each external screw thread
The axial-rotation demoulding can be carried out according to the pitch of oneself in rotary course, be finally and successfully completed possess different pitch two
The moulding rotating stripping demoulding of internal thread；
Based on moulding to possess externally threaded pipe fitting, it does not possess prevents moulding rotating during rotating stripping demoulding
Spin-ended structure, when outer tube and interior axle when rotated can be to moulding generation rotary forces, caused by moulding rotation
Rotating stripping demoulding fails, and the clamping mechanism set in cover half block can be used in the circumferential limit of the interface arrangment of moulding upper end setting
Position, after die sinking, the external screw thread in moulding outer contour is molded and demoulds, and the clamping jaw of the manipulator in clamping mechanism is pushed to this
Interface arrangment position, realizes the smooth quick progress of moulding rotating stripping demoulding process.
Brief description of the drawings
Fig. 1 is the structure diagram of moulding in the utility model.
Fig. 2 is the profile of Fig. 1.
Fig. 3 is the structure diagram of threaded shaft in the utility model.
Fig. 4 is the structure diagram of dynamic model block operative end surface in specific embodiment.
Fig. 5 is the structure diagram of cover half block operative end surface in specific embodiment.
Fig. 6 is the enlarged structure schematic diagram of A in Fig. 5.
Fig. 7 is the structure diagram of clamping mechanism in specific embodiment.
Fig. 8 is the working state schematic representation of clamping structure in specific embodiment.
Fig. 9 is the structure diagram of actuating unit in specific embodiment.
Figure 10 is the structure diagram of injection moulding apparatus in specific embodiment.
Figure 11 is the enlarged structure schematic diagram of B in Figure 10.
Figure 12 is the structure diagram of the injecting products that injection moulding apparatus ejects in specific embodiment.
In attached drawing, 1, moulding, 101, external screw thread, 102, interface arrangment, the 103, first internal thread, spiral shell in 104, second
Line, 2, dynamic model block, 201, preceding mould, outside 3, cover half block, 302, sliding block, 4, injection cavity, 5, injecting hole, 6, outer tube, 601, first
Screw thread, 602, connecting rod, 603, radially installed hole, 7, interior axle, the 701, second external screw thread, 702, radial hole, 8, power shovel,
801st, straightway, 802, tilting section, 9, guide groove, 10, manipulator, 1001, clamping jaw, 1002, dynamic trough, 11, limit spring,
12nd, radial direction card slot, 13, radial direction fixture block, 14, driving motor, 15, passive belt wheel, 16, driving gear, 17, driven gear, 18, bottom
Seat, 19, lead, 20, return spring, 21, sealing pin, 22, connecting portion.
Embodiment
It the utility model is related to for the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch, the note
Plastic 1 is the pipe fitting for being provided with external screw thread 101 and two pitch difference internal threads, and pipe fitting upper end is provided with interface arrangment 102, is noted
Molding apparatus includes the dynamic model block 2 with preceding mould 201 and cover half block 3 with two symmetrical sliding blocks 302 and rear mold, preceding mould 201,
Rear mold and two closures of sliding block 302 form injection molding cavity body 4, and dynamic model block 2 is provided with the injecting hole 5 communicated with injection cavity 4, after
Mould is the threaded shaft for rotating stripping demoulding, and cover half block 3 is additionally provided with for the ejecting mechanism of moulding 1 and for threaded shaft
Actuating unit, be provided with the cover half block 3 and turn for the circumferential spacing clamping mechanism of interface arrangment 102, the screw thread
Axis is the double shafts of piston type, and the double shafts of piston type include the outer tube 6 and interior axle 7 of inside and outside suit, outer tube 6 and 7 upper end of interior axle difference
It is provided with and is provided with corresponding first external screw thread, 601 and second external screw thread 701 of 1 two internal threads of moulding, interior axle 7 along axis
To the radial hole 702 of the strip of arrangement, outer tube 6 is internally provided with the connecting rod 602 through radial hole 702, connecting rod
602 and radial hole 702 be engaged the synchronous rotary unit and axial slip unit to form outer tube 6 and interior axle 7.
Specific embodiment, as shown in Figures 1 to 12, in order to improve the production efficiency of moulding, injection-moulding device is prepared into two
The form of a injection cavity 4, the injection structure that corresponding preceding mould 201, rear mold and two sliding blocks 302 are formed is to be symmetrical arranged
Two sets, but all installation with same set of dynamic model block 2 and cover half block 3 in, the injecting hole 5 in dynamic model block 2 is provided with lambdoid point
Circulation road, two injection cavitys 4 between be connected by split channel；
Clamping mechanism includes being installed on the power shovel 8 in 2 operative end surface of dynamic model block and in 3 operative end surface of cover half block
Guide groove 9 and slided along guide groove 9 and end carry clamping jaw 1001 manipulator 10, clamping jaw 1001 be and 1 upper end of moulding
The mating shape of interface arrangment 102, before dynamic model block 2 and cover half block 3 open film, the clamping jaw 1001 of manipulator 10 is from side
The sliding block 302 of 4 both sides of injection cavity is held out against, the moving direction of the moving direction and manipulator 10 of sliding block 302 is perpendicular, power shovel
8 include the straightway 801 of root and the tilting section 802 of end, are provided with manipulator 10 for 8 perforative power of power shovel
Groove 1002, the tilting section 802 and dynamic trough 1002 of power shovel 8 match to merge forms manipulator 10 by the displacement of dynamic model block 2
Thrust unit；The limit spring 11 for manipulator 10 is installed in 9 outer end of guide groove in cover half block 3；
Based on said structure, the course of work of the injection moulding apparatus is as follows：
Dynamic model block 2 and cover half block 3 coordinate for horizontal cross carries out open mold, and pouring type is the cast of cold burden road side gate
Mode, by the injecting hole 5 in dynamic model block 2 to two injection cavitys in carry out material feeding, after material feeding finishes shaping, dynamic model block 2 to
Preceding mould 201 is lifted up by upper die sinking, die sinking while, and two in cover half block 3 sliding block 302 symmetrically slips off, preceding mould 201 and two
A sliding block 302 forms the external screw thread 101 and interface arrangment 102 of moulding 1, while dynamic model block 2 moves up, power
Shovel 8 moves up therewith, its straightway 801 passes through the dynamic trough 1002 of manipulator 10, and dynamic trough 1002 has no movement, works as tilting section
802 when being moved to 1002 position of dynamic trough, and dynamic trough 1002 is under the inclined plane compressing of tilting section 802 along guide groove 9 to injection
102 position of the interface arrangment movement of 1 upper end of part, the clamping jaw 1001 of final manipulator 10 are clamped on the interface arrangment 102 of moulding 1
On, moulding 1 is limited on direction rotating in a circumferential direction, and at this time, it is spacing to complete the circumferential direction of the moulding 1 without spin-ended structure, is
The rotating stripping demoulding of follow-up threaded shaft provides technical support, due to threaded shaft in demoulding rotary and in moulding 1
Preferable verticality is kept between screw thread, moulding 1 occurs axially inclined during rotating stripping demoulding, then can not only damage note
The internal thread of plastic 1, can also prevent the smooth progress of rotating stripping demoulding, in order to further improve the smooth degree of rotating stripping demoulding, clamping jaw
1001 using grooves structure type, two clamping sides of groove are the shape outwards gradually expanded, two clamping sides it
Between in the equal secure attachment of angle and surface of 5-8 degree have the rubber layer of one layer of 1-2mm thickness, the setting of the angle and rubber layer
Groove shapes can be made to facilitate insertion on the interface arrangment 102 of moulding, and the groove can be made gradually to be clamped on moulding 1
102 both sides of interface arrangment at end, moulding 1 are not only rotated in a circumferential direction and are limited, the swing of all directions is also pressed from both sides by firmly clamping
Pawl 1001 clamps limitation, between the internal thread and the double shaft middle external tubes 6 of piston type and interior axle 7 of two different pitch of moulding 1
Rotating stripping demoulding smooth can carry out, two inside moulding 1 internal thread is not easy to be damaged be subject to the angled bias demoulding；
Being used for the rotating actuating unit of threaded shaft on cover half block 3 includes sequentially connected driving motor 14, V belt translation machine
Structure, the driving gear 16 being installed in passive 15 shaft of belt wheel and it is installed on two mouldings, 1 corresponding two 6 lower end of outer tube
Two driven gears 17, a driving gear 16 is meshed with two driven gears 17, two 17 rotating Vortexes of driven gear,
The rotation of driven gear 17 drives outer tube 6 to rotate, and the first external screw thread 601 is rotationally disengaged with the first internal thread 103 in moulding 1,
So as to complete the rotating stripping demoulding of the first internal thread 103, at the same time, drive of the interior axle 7 in connecting rod 602 and radial hole 702
Lower to be rotated synchronously with outer tube 6, the pitch of the second external screw thread 701 is less than the first external screw thread 601, in the case of synchronous rotation, outer tube 6
It is faster than interior axle 7 to move axially speed, due to the presence of the radial hole 702 of strip, outer tube 6 will not produce axis to interior axle 7
To pulling force, interior axle 7 moves axially that speed is slower, when the second external screw thread 701 of interior axle 7 is from the second internal thread 104 of moulding 1
When place departs from, connecting rod 602 slides onto lower end by 702 upper end of radial hole of strip, during being somebody's turn to do, the second internal thread 104
Damage is not likely to produce, so far, realizes the rotating stripping demoulding of the moulding 1 of two different internal threads of pitch；
For the different distance of the first internal thread 103 and the second internal thread 104 suitable for moulding 1, interior axle 7 includes band
There are the active section of the second external screw thread 701 and the adjustment section with radial hole 702, active section and adjustment section in link position point
Mating radial direction card slot 12 and radial direction fixture block 13 are not provided with, when between the first internal thread 103 and the second internal thread 104
When spacing lengthens, longer active section is replaced, is then installed with adjustment section grafting, if spacing diminishes, replaces shorter work
Make Duan Bingyu adjustment sections grafting installation, installation is replaced convenient；In order to facilitate the dismounting of outer tube 6 and interior axle 7, outer tube 6 is provided with footpath
To mounting hole 603, connecting rod 602 for insertion radially installed hole 603 axis pin, by the thimble of corresponding size by axis pin during dismounting
Ejection, can dismantle disengaging by outer tube 6 and interior axle 7 immediately；
3 bottom of cover half block is provided with base 18, and pilot hole is provided with cover half block 3, is provided with base 18 and pilot hole
The lead 19 being slidably matched, is also associated with return spring 20, is additionally provided with and stretches on base 18 between base 18 and cover half block 3
The sealing pin 21 being in contact in cover half block 3 and with split channel, can form two notes of connection after injection, at split channel
The connecting portion 22 of plastic 1, cover half block 3 overcome the elastic force of return spring 20 to be moved along lead 19 to base 18, at this time, sealing pin
21 hold out against the connecting portion 22 between two mouldings 1, and most injecting products eject at last, then, under the action of return spring 20,
Cover half block 3 resets.
Claims (4)
- It is 1. outer to be provided with for the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch, the moulding (1) The pipe fitting of screw thread (101) internal thread different with two pitch, pipe fitting upper end are provided with interface arrangment (102), and injection moulding apparatus includes Dynamic model block (2) with preceding mould (201) and the cover half block (3) with two symmetrical sliding blocks (302) and rear mold, preceding mould (201), Rear mold and two sliding block (302) closures form injection molding cavity body (4), and dynamic model block (2) is provided with the note communicated with injection cavity (4) Mole (5), rear mold are the threaded shaft for rotating stripping demoulding, and cover half block (3) is additionally provided with the ejecting mechanism for moulding (1) With the actuating unit for threaded shaft, it is characterised in that：It is provided with the cover half block (3) for interface arrangment (102) Circumferential spacing clamping mechanism, the threaded shaft are the double shafts of piston type, and the double shafts of piston type include the outer tube of inside and outside suit (6) it is respectively arranged with and (1) two internal thread corresponding first of moulding with interior axle (7), outer tube (6) and interior axle (7) upper end External screw thread (601) and the second external screw thread (701), the radial hole (702) for the strip that interior axle (7) is provided with axially disposed, Outer tube (6) is internally provided with the connecting rod (602) through radial hole (702), connecting rod (602) and radial hole (702) phase Cooperatively form outer tube (6) and the synchronous rotary unit and axial slip unit of interior axle (7).
- 2. the injection moulding apparatus according to claim 1 being used for without spin-ended structure, the double internal thread mouldings of different pitch, it is special Sign is：The clamping mechanism includes the power shovel (8) being installed in dynamic model block (2) operative end surface and positioned at cover half block (3) guide groove in operative end surface (9) and the manipulator (10) with clamping jaw (1001) along guide groove (9) slip and end, folder Pawl (1001) is the shape mating with moulding (1) upper end interface arrangment (102), and power shovel (8) includes the straight line of root Section (801) and the tilting section (802) of end, are provided with for power shovel (8) perforative dynamic trough on manipulator (10) (1002), the tilting section (802) of power shovel (8) and dynamic trough (1002) match to merge forms machine by the displacement of dynamic model block (2) The thrust unit of tool hand (10).
- 3. the injection moulding apparatus according to claim 2 being used for without spin-ended structure, the double internal thread mouldings of different pitch, it is special Sign is：The limit spring (11) for manipulator (10) is installed in guide groove (9) outer end in the cover half block (3).
- 4. the injection moulding apparatus according to claim 1 being used for without spin-ended structure, the double internal thread mouldings of different pitch, it is special Sign is：The interior axle (7) includes the active section with the second external screw thread (701) and the tune with radial hole (702) Whole section, active section and adjustment section are respectively arranged with mating radial direction card slot (703) and radial direction fixture block in link position (704)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876943.6U CN207240743U (en) | 2017-12-28 | 2017-12-28 | For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876943.6U CN207240743U (en) | 2017-12-28 | 2017-12-28 | For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch |
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| Publication Number | Publication Date |
|---|---|
| CN207240743U true CN207240743U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876943.6U Active CN207240743U (en) | 2017-12-28 | 2017-12-28 | For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different pitch |
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| Country | Link |
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| CN (1) | CN207240743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177311A (en) * | 2017-12-28 | 2018-06-19 | 河北科力汽车零部件有限公司 | For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch |
| CN109774069A (en) * | 2019-03-01 | 2019-05-21 | 台州市黄岩炜大塑料机械有限公司 | One goes out two threeway internal thread tube piece demoulding mechanisms |
-
2017
- 2017-12-28 CN CN201721876943.6U patent/CN207240743U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177311A (en) * | 2017-12-28 | 2018-06-19 | 河北科力汽车零部件有限公司 | For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch |
| CN108177311B (en) * | 2017-12-28 | 2023-09-26 | 河北科力汽车装备股份有限公司 | Injection molding device for injection molding piece without rotation stopping structure and with different screw pitches and double internal threads |
| CN109774069A (en) * | 2019-03-01 | 2019-05-21 | 台州市黄岩炜大塑料机械有限公司 | One goes out two threeway internal thread tube piece demoulding mechanisms |
| CN109774069B (en) * | 2019-03-01 | 2024-05-14 | 台州市黄岩炜大塑料机械有限公司 | Demolding mechanism for one-out-two three-way internal thread pipe fitting mold |
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| CP01 | Change in the name or title of a patent holder |
Address after: 066000 No. 12 Lake Road, Qinhuangdao economic and Technological Development Zone, Hebei, China Patentee after: Hebei Keli Automobile Equipment Co., Ltd. Address before: 066000 No. 12 Lake Road, Qinhuangdao economic and Technological Development Zone, Hebei, China Patentee before: HEBEI KELI AUTO PARTS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |