CN108177311A - For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch - Google Patents
For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch Download PDFInfo
- Publication number
- CN108177311A CN108177311A CN201711457191.4A CN201711457191A CN108177311A CN 108177311 A CN108177311 A CN 108177311A CN 201711457191 A CN201711457191 A CN 201711457191A CN 108177311 A CN108177311 A CN 108177311A
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- China
- Prior art keywords
- inner shaft
- outer tube
- cover half
- moulding
- radial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/42—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots
- B29C45/4208—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots and driven by the movable mould part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to for without spin-ended structure,The injection moulding apparatus of the double internal thread mouldings of different screw pitch,Moulding has external screw thread and two screw pitch difference internal threads and is provided with clamping structure,Injection moulding apparatus includes symmetrical sliding block and the cover half block of rear mold there are two dynamic model blocks and band with preceding mould,Preceding mould,Rear mold and two sliding blocks are closed 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 limited for clamping structure is provided on cover half block,Threaded shaft is the double shafts of piston type,The double shafts of piston type include the outer tube and inner shaft of inside and outside suit,There are the first external screw thread corresponding with two internal threads of moulding and the second external screw thread in outer tube and inner shaft upper end respectively,The radial through-hole for the strip that inner shaft is provided with axially disposed,Outer tube is provided through the connecting rod of radial through-hole,Connecting rod and radial through-hole cooperatively form the synchronous rotary unit of outer tube and inner shaft and axial sliding element.
Description
Technical field
The invention belongs to injection molding technology fields, and in particular to for without spin-ended structure, the double internal thread mouldings of different screw pitch
Injection moulding apparatus.
Background technology
At present, screwed pipe fitting moulding is produced, if there is internal thread must then use rotating stripping demoulding, and product must
Spin-ended location structure must be carried；External screw thread is then generally using half die, i.e., split by externally threaded cavity, 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 screw 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
Synchronous demoulding is can not achieve, need secondary machine or screw thread mold insert mode is taken 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 screw pitch in pipe fitting
Internal thread, then fine pitch position can be damaged by way of single mandrel rotating stripping demoulding, therefore, for having different screw pitch
Double internal thread tube pieces need to be designed injection moulding apparatus.
Invention content
The present invention compensates for the defects of prior art, provides a kind of be used for without spin-ended structure, the double internal threads of different screw pitch
The injection moulding apparatus of moulding, the injection moulding apparatus can smoothly carry out double internal threads rotation of different screw pitch in moulding with no damage
Demoulding, rotating stripping demoulding of two internal threads of different screw pitch can be realized.
The specific technical solution of the present invention is：
For the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch, the moulding is outer to be provided with
The pipe fitting of screw thread and two screw pitch difference internal threads, pipe fitting upper end are provided with clamping structure, and injection moulding apparatus is included with preceding mould
There are two symmetrical sliding block and the cover half block of rear mold, preceding mould, rear mold and two sliding blocks are closed to form injection molding cavity for dynamic model block and band
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 clamping mechanism that clamping structure circumferentially limits 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 inner shaft of inside and outside suit, outer tube and inner shaft upper end be respectively arranged with outside two internal threads of moulding corresponding first
Screw thread and the second external screw thread, the radial through-hole for the strip that inner shaft is provided with axially disposed, outer tube are provided through diameter
To the connecting rod of through-hole, connecting rod and through-hole match the synchronous rotary unit to form outer tube and inner shaft and axial sliding element.
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 on face and the manipulator with clamping jaw along guide groove slip and end, clamping jaw is inserts with moulding upper end clamping structure
The shape of cooperation is connect, power shovel includes the straightway of root and the tilting section of end, is provided on 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 inner shaft is included with the second externally threaded active section and the adjustment section with radial through-hole, active section and
Adjustment section is respectively arranged with mating radial direction card slot and radial direction fixture block in link position.
The beneficial effects of the invention are as follows：The present invention carries out two different internal threads of screw pitch by the double shafts of piston type
Molding and demoulding, the double shafts of piston type are the outer tube that is attached by the connecting rod and radial through-hole that are slidably matched and interior
Axis, connecting rod and radial through-hole, which match, can make outer tube form synchronous rotation with inner shaft, outside the first of outer tube upper end
Screw thread is different with the second externally threaded screw pitch of inner shaft upper end, therefore the two axial displacement in the case of same rotating speed is different,
And the axial sliding element that the radial through-hole of connecting rod and strip is formed just provides sliding distance for the displacement difference, outer tube with
Since the easily damaged problem of fine pitch external screw thread caused by different screw pitch is resolved between inner shaft, each external screw thread can be
Axial-rotation demoulding is carried out according to the screw pitch of oneself in rotary course, is finally and successfully completed two internal threads for having different screw pitch
Moulding rotating stripping demoulding；
Based on moulding to have externally threaded pipe fitting, do not have and prevent what moulding rotated during rotating stripping demoulding
Spin-ended structure, when outer tube and inner shaft 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 clamping structure of moulding upper end setting
Position, after die sinking, the external screw thread in moulding outer profile is molded and demoulds, and the clamping jaw of the manipulator in clamping mechanism is pushed to this
Clamping structure position realizes the smooth quick progress of moulding rotating stripping demoulding process.
Description of the drawings
Fig. 1 is the structure diagram of moulding in the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the structure diagram of threaded shaft in the present invention.
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, clamping structure, 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, inner shaft, the 701, second external screw thread, 702, radial through-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 needle, 22, connecting portion.
Specific embodiment
The present invention relates to for the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch, the moulding 1
To be provided with the pipe fitting of external screw thread 101 and two screw pitch difference internal threads, pipe fitting upper end is provided with clamping structure 102, injection dress
Put the dynamic model block 2 including carrying preceding mould 201 and symmetrical sliding block 302 and the cover half block 3 of rear mold with there are two, preceding mould 201, rear mold
And two closures of sliding block 302 form injection molding cavity body 4, dynamic model block 2 is provided with the injecting hole 5 communicated with injection cavity 4, and rear mold is
For the threaded shaft of rotating stripping demoulding, cover half block 3 is additionally provided with for the ejecting mechanism of moulding 1 and for the dynamic of threaded shaft
Force mechanisms are provided with the clamping mechanism circumferentially limited for clamping structure 102 on the cover half block 3, and the threaded shaft is
The double shafts of piston type, the double shafts of piston type include the outer tube 6 of inside and outside suit and inner shaft 7, and outer tube 6 and 7 upper end of inner shaft are set respectively
Have and corresponding first external screw thread, 601 and second external screw thread 701 of 1 two internal threads of moulding, inner shaft 7 are provided with cloth in an axial direction
The radial through-hole 702 for the strip put, outer tube 6 are internally provided with the connecting rod 602 through radial through-hole 702,602 He of connecting rod
Radial through-hole 702 matches the synchronous rotary unit to form outer tube 6 and inner shaft 7 and axial sliding element.
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 arranged symmetrically
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 clamping structure 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 on manipulator 10 for 8 perforative power of power shovel
Slot 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 above structure, the course of work of the injection moulding apparatus is as follows：
Dynamic model block 2 and cover half block 3 carry out open mold for horizontal cross cooperation, 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 cavity in carry out material feeding, after material feeding finishes molding, 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 of moulding 1 and clamping structure 102, while dynamic model block 2 moves up, power
Shovel 8 moves up therewith, and 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, dynamic trough 1002 oppressed in the inclined surface of tilting section 802 under along guide groove 9 to injection
102 position of the clamping structure movement of 1 upper end of part, the clamping jaw 1001 of final manipulator 10 are clamped on the clamping structure 102 of moulding 1
On, moulding 1 is limited on direction rotating in a circumferential direction, at this point, completing the circumferential limiting of the moulding 1 without spin-ended structure, is
The rotating stripping demoulding of subsequent 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 gradually expanded outward, 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 clamping structure 102 of moulding, and the groove can be made gradually to be clamped on moulding 1
102 both sides of clamping structure 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 of two different screw pitch of moulding 1 and the double shaft middle external tubes 6 of piston type and inner shaft 7
Rotating stripping demoulding smooth can carry out, two inside moulding 1 internal thread is not easy to be damaged by angled bias demoulding；
Actuating unit on cover half block 3 for threaded shaft rotation 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, inner shaft 7 is in the drive of connecting rod 602 and radial through-hole 702
Lower to be rotated synchronously with outer tube 6, the screw 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 inner shaft 7 to move axially speed, due to the presence of the radial through-hole 702 of strip, outer tube 6 will not generate axis to inner shaft 7
To pulling force, the axial movement of inner shaft 7 speed is slower, when the second external screw thread 701 of inner shaft 7 is at the second internal thread 104 of moulding 1
During disengaging, connecting rod 602 slides onto lower end by 702 upper end of radial through-hole of strip, and during being somebody's turn to do, the second internal thread 104 is not
Damage is also easy to produce, so far, realizes the rotating stripping demoulding of the moulding 1 of two different internal threads of screw pitch；
For the different distance of the first internal thread 103 and the second internal thread 104 suitable for moulding 1, inner shaft 7 includes band
There are the active section of the second external screw thread 701 and the adjustment section with radial through-hole 702, active section and adjustment section in link position point
It is not provided with mating radial direction card slot 12 and radial direction fixture block 13, 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 becomes smaller, 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 inner shaft 7, outer tube 6 is provided with diameter
To mounting hole 603, connecting rod 602 is to be inserted into the axis pin in radially installed hole 603, by the thimble of corresponding size by axis pin during dismounting
Ejection, can dismantle disengaging by outer tube 6 and inner shaft 7 immediately；
3 bottom of cover half block is provided with pedestal 18, and pilot hole is provided on cover half block 3, is provided on pedestal 18 and pilot hole
The lead 19 being slidably matched is also associated with return spring 20, is additionally provided with and stretches on pedestal 18 between pedestal 18 and cover half block 3
The sealing needle 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 overcomes the elastic force of return spring 20 to be moved along lead 19 to pedestal 18, at this point, sealing needle
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)
1. for the injection moulding apparatus without spin-ended structure, the double internal thread mouldings of different screw pitch, the moulding (1) is outer to be provided with
The pipe fitting of screw thread (101) internal thread different with two screw pitch, pipe fitting upper end are provided with clamping structure (102), and injection moulding apparatus includes
Dynamic model block (2) with preceding mould (201) and symmetrical sliding block (302) and the cover half block (3) of rear mold with there are two, preceding mould (201),
Rear mold and two sliding blocks (302) are closed and 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 for the ejecting mechanism of moulding (1)
With the actuating unit for threaded shaft, it is characterised in that：It is provided on the cover half block (3) for clamping structure (102)
The clamping mechanism circumferentially limited, 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 inner shaft (7), outer tube (6) and inner shaft (7) upper end
External screw thread (601) and the second external screw thread (701), the radial through-hole (702) for the strip that inner shaft (7) is provided with axially disposed,
Outer tube (6) is internally provided with the connecting rod (602) through radial through-hole (702), connecting rod (602) and radial through-hole (702) phase
Cooperatively form the synchronous rotary unit of outer tube (6) and inner shaft (7) and axial sliding element.
2. the injection moulding apparatus according to claim 1 being used for without spin-ended structure, the double internal thread mouldings of different screw pitch, 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) be the shape mating with moulding (1) upper end clamping structure (102), the straight line of power shovel (8) including 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 screw pitch, 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 screw pitch, special
Sign is：Tune of the inner shaft (7) including carrying the active section of the second external screw thread (701) and with radial through-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 |
|---|---|---|---|
| CN201711457191.4A CN108177311B (en) | 2017-12-28 | 2017-12-28 | Injection molding device for injection molding piece without rotation stopping structure and with different screw pitches and double internal threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457191.4A CN108177311B (en) | 2017-12-28 | 2017-12-28 | Injection molding device for injection molding piece without rotation stopping structure and with different screw pitches and double internal threads |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108177311A true CN108177311A (en) | 2018-06-19 |
| CN108177311B CN108177311B (en) | 2023-09-26 |
Family
ID=62548423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711457191.4A Active CN108177311B (en) | 2017-12-28 | 2017-12-28 | Injection molding device for injection molding piece without rotation stopping structure and with different screw pitches and double internal threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108177311B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060553A (en) * | 2020-07-27 | 2020-12-11 | 晋西工业集团有限责任公司 | Compression mold for nonmetal parts with threads at two ends |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323343A (en) * | 1996-06-06 | 1997-12-16 | Sekigami Seisakusho:Kk | Mold |
| US20060045933A1 (en) * | 2004-08-24 | 2006-03-02 | Chihyu Chen | Mold assembly for forming a plastic article having a complicated shape |
| CN207240743U (en) * | 2017-12-28 | 2018-04-17 | 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 pitch |
-
2017
- 2017-12-28 CN CN201711457191.4A patent/CN108177311B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323343A (en) * | 1996-06-06 | 1997-12-16 | Sekigami Seisakusho:Kk | Mold |
| US20060045933A1 (en) * | 2004-08-24 | 2006-03-02 | Chihyu Chen | Mold assembly for forming a plastic article having a complicated shape |
| CN207240743U (en) * | 2017-12-28 | 2018-04-17 | 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 pitch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060553A (en) * | 2020-07-27 | 2020-12-11 | 晋西工业集团有限责任公司 | Compression mold for nonmetal parts with threads at two ends |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108177311B (en) | 2023-09-26 |
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Address after: 066000 No. 12 Lake Road, Qinhuangdao economic and Technological Development Zone, Hebei, China Applicant after: Hebei Keli Automobile Equipment Co.,Ltd. Address before: 066000 No. 12 Lake Road, Qinhuangdao economic and Technological Development Zone, Hebei, China Applicant before: HEBEI KELI AUTO PARTS Co.,Ltd. |
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