CN208232237U - A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold - Google Patents
A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold Download PDFInfo
- Publication number
- CN208232237U CN208232237U CN201820541750.3U CN201820541750U CN208232237U CN 208232237 U CN208232237 U CN 208232237U CN 201820541750 U CN201820541750 U CN 201820541750U CN 208232237 U CN208232237 U CN 208232237U
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- China
- Prior art keywords
- thread core
- splined shaft
- flat key
- end cap
- connector sleeve
- 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.)
- Withdrawn - After Issue
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 229920003023 plastic Polymers 0.000 title claims abstract description 17
- 239000004033 plastic Substances 0.000 title claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 239000008188 pellet Substances 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000005299 abrasion Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 241001133184 Colletotrichum agaves Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold, overcome prior art construction complexity, occupied space is larger, it will lead to thread core uncontrolled movements in use, the problem of influencing processing efficiency and forming waste product, it is characterized in that copper sheathing is installed in the macropore of end cap central bore, connector sleeve is connected in the right end of splined shaft, spring base is installed on the spline segment of splined shaft, thread core is connected in the aperture of the centre bore of end cap, external thread section is machined on thread core, and nut set is installed in the external thread section, beneficial effect is, gear drive and travel switch mechanism is omitted, and instead of the structure of individual screw rod and nut set with the external thread section from thread core itself and nut set, it is compact-sized, it is small in size, it occupies little space, solves thread core precession Excessively with mold lapping-in the problem of, completely eliminates the influence of gear clearance and the abrasion of stroke block to transmission accuracy.
Description
Technical field
The utility model belongs to automotive parts manufacturing technology, in particular to a kind of automobile plastic suction manifold injection molding
The thread core of mold deviates from mechanism.
Background technique
In the prior art, the thread core abjection mechanism of automobile plastic suction manifold injection mold uses gear drive machine
Structure specifically includes two parallel driving gear shafts and driven gear shaft, driving gear is equipped on driving gear shaft, from
Driven gear is installed, the driving gear shaft is connected with hydraulic motor, the driven gear shaft in the middle part of movable gear shaft
Tail portion is equipped with the two taper type stroke blocks controlled by two travel switches, and described two travel switches are mounted on mold,
The other end of driven gear shaft is equipped with thread core, the axis of thread core, the axis of driven gear, driven gear shaft axis
The axis of line and two taper type stroke blocks is to be overlapped, and when work, hydraulic motor drives driving gear to rotate, and leads to
It crosses driving gear and drives driven gear rotation, so that the rotation by driven gear shaft drives thread core to rotate,
Middle thread core is while rotating under the control of two travel switches in the stroke of two taper type stroke blocks
It makees straight reciprocating motion precession mold or screws out mold, after reaching predeterminated position, taper type stroke block triggers travel switch, hydraulic
Motor stops operating, and thread core stops operating.The thread core of above-mentioned automobile plastic suction manifold injection mold deviates from mechanism
Structure is complicated, needs two parallel driving gear shafts and driven gear shaft, structure is complicated, and difficulty of processing is larger, higher cost
And occupied space is larger, increases the volume of mold, is also unfavorable for the maintenance of mold, moreover, in use, because two
The abrasion of frustum stroke block and gear-driven gap will lead to thread core uncontrolled movements, occur precession excessively with mold lapping-in
The case where, excessive compression mold aggravates the abrasion of mold, and will appear dieback phenomenon once precession excessively and be difficult to screw out, and needs
It stops and screws out and adjust thread core manually or even replace thread core, to influence processing efficiency, if precession is not in place, just
Gap can be generated between thread core and mold, cause injected plastics material to enter in gap and shut product through-hole, form waste product.
Application No. is the inventions of CN201210059143.0 to provide a kind of screw thread core pulling that screw thread starting point automatically resets
Device, including screw rod, thread core, B gear, nut set, transmission gear, A gear, rack gear, limited block, reset stroke switch,
Deviate from travel switch, oil cylinder, by oil cylinder pushing rack gear when which demoulds, rack drives A gear simultaneously drives coaxial driving cog
Wheel rotation, transmission gear drive screw rod to rotate through B gear, deviate from thread core rotary core pulling from product；When reset, oil cylinder
It affects rack gear to retract, reset stroke switch cut-off oil cylinder is touched by the limited block being located on rack gear, thread core automatically resets.It should
Invention is not had using rack gear, the transmission mechanism of gear and screw rod cooperation with the above-mentioned transmission mechanism cooperated using gear with gear
Two driving of parallel axes are only changed to the different axis in space and are driven by substantial difference, and equally there is also drive mechanism complexity, rows
The abrasion of journey block and gear-driven gap lead to thread core uncontrolled movements, occur precession excessively with mold lapping-in the case where,
Excessive compression mold causes the abrasion of mold, reduces the service life of mold, and higher cost.
Utility model content
Problem to be solved in the utility model is to overcome shortcoming in the prior art, provide a kind of structure it is simple,
Good manufacturability, a kind of thread core abjection mechanism of automobile plastic suction manifold injection mold easy to maintain and convenient for control.
The technical solution adopted in the utility model includes end cap and splined shaft, the end cap contain ring flange, left protrusion and
Right protrusion is machined with centre bore at the center of ring flange, and the centre bore is stepped hole, and the first flat key is machined in centre bore
Slot, the splined shaft are multi-diameter shaft, are followed successively by the first multi-diameter shaft, the second multi-diameter shaft and third multi-diameter shaft from left to right, described the
One multi-diameter shaft is left end optical axis, and second multi-diameter shaft is spline segment, and the third multi-diameter shaft is right end optical axis, and in right end light
It is machined with the second flat key slot on axis, copper sheathing is installed in the macropore of the centre bore, the copper sheathing is sleeved on splined shaft simultaneously
Left end optical axis on, connection is connected with by the second flat key installed in the second flat key slot of splined shaft in the right end of splined shaft
Set is machined with third flat key slot in the inner hole of connector sleeve, and second flat key is also mounted in third flat key slot simultaneously, described
Second flat key can move axially in connector sleeve, and spring base, the spring base are equipped on the spline segment of the splined shaft
It is fixedly connected simultaneously with end cap, is symmetrily processed with 4 stepped holes in the spring base inner cross, and in 4 stepped holes respectively
Pellet, disc spring group and disc spring gland are installed, it is flat with first by the first flat key slot in the aperture of the centre bore of the end cap
Key connection has thread core, the external thread section equal with the screw pitch of thread core is machined on the thread core, and at this
External thread section is equipped with nut set, and the thread core can move axially in nut set, and by thread core, nut
Set and splined shaft, connector sleeve and the second flat key constitute the spinning in and out mechanism of thread core.
Every group of disc spring group has 10~14 disc springs, and every 2 disc springs are mutually to putting, by disc spring gland, disc spring group, pellet and flower
Key axis constitutes ratchet mechanism.
The third flat key slot is elongated in the inner hole of connector sleeve.
4 countersunk screw holes are machined on the ring flange, the spring base fixes company with 4 sunk screws with end cap
It connects.
In use, be connected by the third flat key slot on connector sleeve with third flat key with hydraulic motor, the nut set
It is fixed on mold, it is reciprocal that the spinning in and out mechanism of the thread core does thread core while rotation in nut set
Linear motion and the second flat key can be in the axial movements in connector sleeve, when hydraulic motor drives splined shaft to rotate clockwise
When, pellet contacts under the action of disc spring group with splined shaft, and the frictional force band flexible spring seat between pellet and splined shaft is clockwise
Rotation, while end cap rotates clockwise, in thread core precession plastic air intake manifold injection mold clockwise, when thread core with
After mold contact, thread core cannot continue precession mold, splined shaft idle running, and pellet is transported up and down with the rotation of splined shaft
Dynamic, spring dwell of sley, after the completion of mold injection, hydraulic motor drives splined shaft to rotate counterclockwise by connector sleeve, pellet and
The spline trench bottom of splined shaft and side are in contact, and the rotation counterclockwise simultaneously of splined shaft, spring base, end cap and thread core is led to
Crossing ratchet mechanism makes thread core reversion exit injection mold.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model structure is simple, by the way that gear drive or wheel and rack transmission are changed to ratchet driving, from
And be that the different axis transmission of two driving of parallel axes or space is changed to coaxial transmission by the transmission of different axis, gear drive is omitted
Or rack and pinion transmission mechanism and travel switch mechanism, and with the external thread section from thread core itself and nut set
It is small in size so compact-sized instead of the structure of individual screw rod and nut set, it occupies little space, solves automobile plastic
The precession of inlet manifold injection mold thread core excessively with mold lapping-in the problem of, completely eliminate gear clearance and stroke block
Influence to transmission accuracy is worn, also solves thread core because excessive precession extrusion die is damage caused by mold.
(2) the utility model is on the basis of fully considering processability of product structure, complete integrated end cap be divided into end cap and
Spring base two parts reduce the depth that the first flat key slot is processed on end cap, facilitate the processing of the first flat key slot on end cap, keep away
Exempt from the generation of end cap waste product, also facilitated the processing of spring base, improves the machinability of thread core abjection mechanism, thus
Reduce manufacturing cost.
(3) check function of the existing ratchet mechanism of splined shaft described in the utility model, while having the function of to move power transmission, lead to
It crosses splined shaft and the rotary motion of hydraulic motor is passed into thread core, realize that thread core is done while rotational movement process
Thread core precession and back-out in a mold is realized in straight reciprocating motion, is not in dieback or situation not in place, thus
The continuous and steady operation that can guarantee production, improves the service life of production efficiency and thread core.
Detailed description of the invention
Fig. 1 is the main view of the utility model transmission mechanism,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the right view of Fig. 1,
Fig. 4 is the A-A cross-sectional view of Fig. 1,
Fig. 5 is the B-B cross-sectional view of Fig. 1,
Fig. 6 is the main view of the utility model end cap,
Fig. 7 is the C-C cross-sectional view of Fig. 6,
Fig. 8 is the main view of the utility model splined shaft,
Fig. 9 is the left view enlarged drawing of Fig. 8.
Figure 10 is the utility model application state structural schematic diagram.
In figure:
1. end cap,
1-1. ring flange, the left protrusion of 1-2., the right protrusion of 1-3.,
1-4. countersunk screw hole, 1-5. top wire hole,
1-6. centre bore, 1-7. the first flat key slot,
2. spring base,
3. splined shaft,
The left end 3-1. optical axis, 3-2. spline segment,
3-3. right end optical axis, 3-4. the second flat key slot,
4. connector sleeve,
5. copper sheathing,
6. sunk screw,
7. third flat key slot,
8. the second flat key,
9. disc spring group,
10. pellet,
11. disc spring gland,
12. the first flat key,
13. thread core,
14. hydraulic motor,
15. third flat key,
16. nut set.
Specific embodiment
As shown in FIG. 1 to FIG. 9, the utility model includes end cap 1 and splined shaft 3, and the end cap 1 contains ring flange 1-1, a left side
Raised 1-2 and right protrusion 1-3, is machined with 4 countersunk screw hole 1-4 on ring flange 1-1, is machined with top on left protrusion 1-2
Wire hole 1-5 is machined with centre bore 1-6 at the center of ring flange 1-1, and the centre bore 1-6 is stepped hole, in centre bore 1-6
It is machined with the first flat key slot 1-7；The splined shaft 3 be multi-diameter shaft, be followed successively by from left to right the first multi-diameter shaft, the second multi-diameter shaft and
Third multi-diameter shaft, first multi-diameter shaft are left end optical axis 3-1, and for cooperating with copper sheathing 5, second multi-diameter shaft is spline segment
3-2, for constituting ratchet mechanism, the third multi-diameter shaft is right end optical axis 3-3, and it is flat to be machined with second on right end optical axis 3-3
Keyway 3-4, for installing the second flat key 8；Copper sheathing 5 is installed in the macropore of the centre bore 1-6 of the end cap 1, the copper sheathing 5 is same
When be sleeved on the left end optical axis 3-1 of splined shaft 3, pass through in the second flat key slot 3-4 of splined shaft 3 in the right end of splined shaft 3
Second flat key 8 of installation is connected with connector sleeve 4, and is held out against with jackscrew, and third flat key slot 7 is machined in the inner hole of connector sleeve 4,
Second flat key 8 is gone back while being mounted in third flat key slot 7, and the third flat key slot 7 is logical in the inner hole of connector sleeve 4
Long, second flat key 8 can move axially in connector sleeve 4, be equipped with bullet on the spline segment 3-2 of the splined shaft 3
Spring abutment 2, the spring base 2 are fixedly connected with 4 sunk screws 6 of end cap 1, are symmetrily processed with 4 in 2 inner cross of spring base
A stepped hole, and pellet 10, disc spring group 9 and disc spring gland 11 are separately installed in 4 stepped holes, every group of disc spring group 9 has 10-
14 disc springs, every 2 disc springs constitute ratchet driving machine by disc spring gland 11, disc spring group 9, pellet 10 and splined shaft 3 mutually to putting
Structure；Thread core is connected with the first flat key 12 by the first flat key slot 1-7 in the aperture of the centre bore 1-6 of the end cap 1
13, the external thread section equal with the screw pitch of thread core 13 is machined on the thread core 13, and pacify in the external thread section
Equipped with nut set 16, the thread core 13 can cover in 16 in nut to be moved axially, and by thread core 13, nut set 16
And splined shaft 3, connector sleeve 4 and the second flat key 8 constitute the spinning in and out mechanism of thread core.
As shown in Figure 10, in use, passing through the third flat key 15 of the third flat key slot 7 on connector sleeve 4 and hydraulic motor 14
It is connected, nut set 16 is fixed on mold, and when work, hydraulic motor 14 drives splined shaft 3 to rotate by connector sleeve 4,
The thread core spinning in and out mechanism being made of thread core 13, nut set 16 and splined shaft 3, connector sleeve 4 and the second flat key 8
So that thread core 13 does linear reciprocating motion while the external thread section on thread core 13 rotates in nut set 16, with
And second flat key 8 can be moved axially in connector sleeve 4, when hydraulic motor 14 drive splined shaft 3 rotate clockwise when, pellet 10
It is contacted under the action of disc spring group 9 with splined shaft 3, the frictional force band flexible spring seat 2 between pellet 10 and splined shaft 3 revolves clockwise
Turn, while end cap 1 rotates clockwise, and in the precession plastic air intake manifold injection mold clockwise of thread core 13, works as thread core
After 13 contact with mold, thread core 13 cannot continue precession mold, and splined shaft 3 dallies, pellet 10 with splined shaft 3 rotation
And move up and down, spring base 2 is static, and after the completion of mold injection, hydraulic motor 14 drives 3 inverse time of splined shaft by connector sleeve 4
Needle rotation, pellet 10 are in contact with the spline trench bottom of splined shaft 3 and side, splined shaft 3, spring base 2, end cap 1 and screw-type
The rotation counterclockwise simultaneously of core 13, being formed by ratchet mechanism by pellet 10 and splined shaft 3 makes the reversion of thread core 13 exit note
Mould.
Claims (5)
1. a kind of thread core of automobile plastic suction manifold injection mold deviates from mechanism, including end cap (1) and splined shaft (3),
It is characterized in that, the end cap (1) contains ring flange (1-1), left raised (1-2) and right protrusion (1-3), at ring flange (1-1)
Center be machined with centre bore (1-6), the centre bore (1-6) is stepped hole, is machined with the first flat key in the centre bore (1-6)
Slot (1-7), the splined shaft (3) are multi-diameter shaft, are followed successively by the first multi-diameter shaft, the second multi-diameter shaft and third ladder from left to right
Axis, first multi-diameter shaft are left end optical axis (3-1), and second multi-diameter shaft is spline segment (3-2), and the third multi-diameter shaft is
Right end optical axis (3-3), and the second flat key slot (3-4) is machined on right end optical axis (3-3), in the big of the centre bore (1-6)
It is equipped in hole copper sheathing (5), the copper sheathing (5) is sleeved on the left end optical axis (3-1) of splined shaft (3) simultaneously, in splined shaft (3)
Right end by splined shaft (3) the second flat key slot (3-4) in install the second flat key (8) be connected with connector sleeve (4), even
Third flat key slot (7) is machined in the inner hole of female connector (4), second flat key (8) goes back while being mounted on third flat key slot (7)
In, second flat key (8) can move axially in connector sleeve (4), pacify on the spline segment (3-2) of the splined shaft (3)
Equipped with spring base (2), the spring base (2) is fixedly connected with end cap (1) simultaneously, and in the spring base (2), inner cross symmetrically adds
Work has 4 stepped holes, and pellet (10), disc spring group (9) and disc spring gland (11) are separately installed in 4 stepped holes, in institute
It states in the aperture of the centre bore (1-6) of end cap (1) and thread core is connected with the first flat key (12) by the first flat key slot (1-7)
(13), the external thread section equal with the screw pitch of thread core (13) is machined on the thread core (13), and in the outer spiral shell
Line section is equipped with nut set (16), and the thread core (13) can move axially in nut set (16), and by screw-type
Core (13), nut set (16) and splined shaft (3), connector sleeve (4) and the second flat key (8) constitute the spinning in and out of thread core
Mechanism.
2. a kind of thread core of automobile plastic suction manifold injection mold according to claim 1 deviates from mechanism, special
Sign is that every group of disc spring group (9) has 10~14 disc springs, and every 2 disc springs are mutually to putting, by disc spring gland (11), disc spring group
(9), pellet (10) and splined shaft (3) constitute ratchet mechanism.
3. a kind of thread core of automobile plastic suction manifold injection mold according to claim 1 deviates from mechanism, special
Sign is that the third flat key slot (7) is elongated in the inner hole of connector sleeve (4).
4. a kind of thread core of automobile plastic suction manifold injection mold according to claim 1 or 2 deviates from mechanism,
It is characterized in that, 4 countersunk screw holes (1-4) are machined on the ring flange (1-1), and the spring base (2) and end cap (1) are used
4 sunk screws (6) are fixedly connected.
5. a kind of thread core of automobile plastic suction manifold injection mold according to claim 1 or 2 deviates from mechanism,
It is characterized in that, in use, passing through third flat key slot (7) third flat key (15) and hydraulic motor (14) phase on connector sleeve (4)
Connection, the nut set (16) are fixed on mold, and the spinning in and out mechanism of the thread core makes thread core (13) exist
Doing linear reciprocating motion and the second flat key (8) in nut set (16) while rotation can move in the axial direction in connector sleeve (4)
It is dynamic, when hydraulic motor (14) drive splined shaft (3) to rotate clockwise, pellet (10) under the action of disc spring group (9) with spline
Axis (3) contact, frictional force band flexible spring seat (2) between pellet (10) and splined shaft (3) rotates clockwise, while end cap (1)
It rotates clockwise, in thread core (13) precession plastic air intake manifold injection mold clockwise, when thread core (13) and mold
After contact, thread core (13) cannot continue precession mold, splined shaft (3) idle running, pellet (10) with splined shaft (3) rotation
And move up and down, spring base (2) is static, and after the completion of mold injection, hydraulic motor (14) drives splined shaft by connector sleeve (4)
(3) rotation, pellet (10) are in contact with the spline trench bottom of splined shaft (3) and side counterclockwise, splined shaft (3), spring base
(2), end cap (1) and thread core (13) rotation counterclockwise simultaneously, make thread core (13) reversion exit note by ratchet mechanism
Mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820541750.3U CN208232237U (en) | 2018-04-17 | 2018-04-17 | A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820541750.3U CN208232237U (en) | 2018-04-17 | 2018-04-17 | A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208232237U true CN208232237U (en) | 2018-12-14 |
Family
ID=64583617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820541750.3U Withdrawn - After Issue CN208232237U (en) | 2018-04-17 | 2018-04-17 | A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208232237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481686A (en) * | 2018-04-17 | 2018-09-04 | 沈阳航天新光汽车零部件有限公司 | A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold |
-
2018
- 2018-04-17 CN CN201820541750.3U patent/CN208232237U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481686A (en) * | 2018-04-17 | 2018-09-04 | 沈阳航天新光汽车零部件有限公司 | A kind of thread core abjection mechanism of automobile plastic suction manifold injection mold |
| CN108481686B (en) * | 2018-04-17 | 2023-12-19 | 沈阳航天新光汽车零部件有限公司 | Screw thread core release mechanism of injection mold of automobile plastic intake manifold |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181214 Effective date of abandoning: 20231219 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181214 Effective date of abandoning: 20231219 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |