CN107053601A

CN107053601A - A kind of fan air-out fore shell injection mold

Info

Publication number: CN107053601A
Application number: CN201710225074.9A
Authority: CN
Inventors: 蒋杰
Original assignee: Taizhou Huangyan Aojie Plastic
Current assignee: Taizhou Huangyan Aojie Plastic
Priority date: 2017-04-07
Filing date: 2017-04-07
Publication date: 2017-08-18
Anticipated expiration: 2037-04-07
Also published as: CN107053601B

Abstract

The invention discloses a kind of fan air-out fore shell injection mold, its drip irrigation device is：Resetting-mechanism is by driving spill spin block and knock-pin is reset to inside an ejecting mechanism, after jack-up effect occurs for an ejecting mechanism, secondary ejecting mechanism utilizes the design feature of ejector retainner plate group, realizes preferably Double-ejection action, and the demoulding of fan air-out fore shell is very smooth；The sliding movement of knock-pin is reasonably make use of, cross slider there occurs that sideslip is acted, to increase considerably the contact coverage between ejection boom end and fan air-out fore shell；The mould is applied to quick injection molding fan air-out fore shell, and service life is longer.

Description

A kind of fan air-out fore shell injection mold

Technical field

The present invention relates to injection mold technical field, more particularly to a kind of fan air-out fore shell injection mold.

Background technology

Air curtain is also known as air curtain, wind curtain machine, air lock, its internals, including pot motor, the rotation of pot motor Wind wheel can be connected with rotating shaft, the outside of air curtain can be covered with fan air-out fore shell, the overall structure of the fan air-out fore shell As shown in Figure 6, including on housing a, the housing a air outlet b is provided with, air outlet b global shape is paliform；In reality During the use of border, internal pot motor drives wind wheel to be rotated, and the wind of wind wheel blowout can be blown out by air outlet b.

Injection mold for being molded said fans air-out fore shell, can set some detent projections, tooth in core upper surface Shape projection position, just can straight forming go out the air outlet b of paliform；After injection molding is completed, whole housing a can be direct Whose surfaces are fitted in, in addition, can also set push rod on core, the push rod one end passes through the upper surface of core, and the other end It is connected on the ejector retainner plate of dynamic model, for the housing a with paliform air outlet b, in order in view of mold injection molding Feasibility, the push rod can equally set detent projection close to the end of core；Push rod end offsets with housing a, and makes housing a During being separated with core, the detent projection of push rod end remains unchanged can be chimeric with the air outlet b phases of paliform, and it is smoothly stripped Probability it is relatively low.

The content of the invention

In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of fan air-out fore shell injection mold, It smoothly can smoothly eject the housing on an ejecting mechanism.

The present invention above-mentioned technical purpose technical scheme is that：A kind of fan air-out fore shell injection Mould, including dynamic model, cover half, the dynamic model include on bottom plate, ejector retainner plate group, rear mould bases, the dynamic model having for once ejecting Ejecting mechanism of fan air-out fore shell a, ejecting mechanism is driven by ejector retainner plate group, in addition to secondary ejecting mechanism, The secondary ejecting mechanism is included through the frizzen of ejector retainner plate group, spill spin block, the knock-pin through ejector retainner plate group, described Triggering end, the rotating part being rotatably connected inside ejector retainner plate group, ejection end are from left to right sequentially provided with spill spin block；

Described frizzen one end offsets with triggering end, and the other end can offset with rear mould bases；

Described knock-pin one end offsets with ejection end, and the other end is through an ejecting mechanism；

The bottom plate is provided with resetting-mechanism, and the resetting-mechanism is once ejected by driving spill spin block and being reset to knock-pin It is in-house.

By above-mentioned technical proposal, after the injection of fan air-out fore shell is completed, dynamic model is separated from each other with cover half, ejector retainner plate Group can drive an ejecting mechanism motion and by fan air-out fore shell jack-up, and fan air-out fore shell is occurred with core in dynamic model Depart from, fan air-out fore shell, which remains unchanged, can hang on an ejecting mechanism；

Ejector retainner plate continues to motion, and frizzen one end can offset with bottom plate side, and frizzen produces squeezing action, rotation to triggering end Switch block rotates in a circumferential direction around rotating part, and ejection end will squeeze knock-pin toward cover half direction jack-up, and the end of knock-pin Fan air-out fore shell is pressed, whole fan air-out fore shell is completely separated with the core on dynamic model, realization will be located at an ejecting mechanism On the purpose that smoothly ejects of housing；

When dynamic model and cover half are close to each other, the resetting-mechanism on bottom plate can be such that knock-pin bounces back in an ejecting mechanism Portion, it is to avoid because knock-pin protrude from an ejecting mechanism and under the influence of single injection-molded.

It is preferred that, the triggering end is provided with groove, and the groove is located at close to rotating part side.

By above-mentioned technical proposal, when frizzen produces extruding to triggering end, spill spin block can carry out week around rotating part To rotation, during spill spin block rotates in a circumferential direction, the end of frizzen can be progressed into groove, first, can be lifted and touched The driving stability that hair bar drives for spill spin block；Secondly, groove give frizzen enough allow bit space, it is to avoid because of rotation The rotation of block and the interference problem produced.

It is preferred that, the frizzen is held greatly close to the rod end of triggering end provided with triggering.

By above-mentioned technical proposal, the setting held greatly is triggered, first, the effective of the end and spill spin block triggering end can be lifted Contact area, the triggering stability between increase frizzen and spill spin block；Second, it can reduce between triggering boom end and spill spin block Unit area wear intensity, lifted service life；3rd, the big end of triggering can limit slip locations above and below frizzen, it is to avoid triggering Bar excessively moves up and unnecessary catching phenomenon occurs, hoisting mechanism degree of operating steadily；4th, frizzen can be effectively increased close The overall weight of triggering end rod end, lifts the autokinesis of frizzen.

It is preferred that, the ejection end is provided with holding tank, and the cell wall of the holding tank is provided with gripper jaw；The knock-pin Rod end close to ejection end is provided with the big end of ejection, and the gripper jaw is contacted on knock-pin outer bar wall.

By above-mentioned technical proposal, because the entire length of knock-pin is longer, and knock-pin is through an ejecting mechanism, And an ejecting mechanism itself can have action, knock-pin will keep more flexibly ejecting action, certainly will need to knock-pin The free degree makes limitation；The big end of ejection of the knock-pin is located in holding tank and contradicted by gripper jaw, and gripper jaw can limit top The single horizontal direction free degree of rod, so as to lift the sliding stability of knock-pin, the jack-up of final lifting knock-pin is suitable Smooth degree.

It is preferred that, the outer bar wall of the knock-pin is provided with clamping plane, pawl face and the clamping plane phase of the gripper jaw Correspondence.

By above-mentioned technical proposal, acted in knock-pin by the ejecting force at ejection end, knock-pin outer bar wall meeting and gripper jaw Relatively move, now, plane contact produced between the pawl face of clamping plane meeting and gripper jaw, can effectively be lifted knock-pin with Sliding stability between gripper jaw.

It is preferred that, the spill spin block is provided with first close to the side wall of bottom plate and resets plane, and the resetting-mechanism includes solid Due to the resetting block of bottom plate, the resetting block is provided be used for offseting with the first reset plane second and resets plane.

By above-mentioned technical proposal, when ejector retainner plate group is moved toward bottom plate direction, second on resetting block resets plane meeting Offseted with the first reset plane on spill spin block, and make spill spin block occur to reset rotation, after reset, knock-pin can be reset to one Inside secondary ejecting mechanism, and because frizzen is offseted by Action of Gravity Field, the end meeting moment of frizzen and the triggering end of spill spin block；On State resetting-mechanism and reasonably make use of special construction and movement relation between mould inside ejector retainner plate group and bottom plate, its structure It is compact, and do not need extra power source.

It is preferred that, the knock-pin is provided with cross slider close to the end cross sliding of cover half, and the cross slider is provided with Can be used to be provided with the resistance surface offseted with fan air-out fore shell, the knock-pin is used to drive cross slider toward top on the outside of knock-pin The drive division gone out.

By above-mentioned technical proposal, drive division can apply cross slider to the driving force on the outside of knock-pin, and cross slider is supported Contacting surface can be used to offset with fan air-out fore shell, when cross slider is ejected to knock-pin outside, knock-pin rod end and fan The coverage of air-out fore shell contact is effectively expanded, considerably reduce between knock-pin and fan air-out fore shell it is local by Power size, improves the Forming Quality of fan air-out fore shell.

It is preferred that, the slip hole that runs through for supplying knock-pin to pass through is provided with an ejecting mechanism, it is described to run through slip hole Hole wall provided with driving the flank of tooth；The drive division includes driving rack, the rotation company that sliding up and down is connected to inside knock-pin The drive gear of knock-pin is connected to, drive gear side flank engagement is in the driving flank of tooth, and opposite side flank engagement is in drive Carry-over bar, contiguous block is connected between the driving rack upper end and cross slider.

By above-mentioned technical proposal, when knock-pin along through slip hole to one side slip of cover half when, be rotatably connected in top The drive gear of rod can be engaged at the moment with the driving flank of tooth, and drive gear turns clockwise, drive gear and driving Rack coordinates, and driving rack can drive cross slider to enter toward knock-pin outside to the lateral movement of cover half one, driving rack by contiguous block Line slip, and cross slider is protruded from knock-pin outer bar wall；

Conversely, when knock-pin is along when when running through slip hole to one side slip of dynamic model, being rotatably connected in the drive gear meeting of knock-pin Carve with driving the flank of tooth be engaged, drive gear occur rotate counterclockwise, drive gear with driving rack coordinate, drive rack to The lateral movement of dynamic model one, driving rack can drive cross slider toward entering line slip inside knock-pin, and move cross slider by contiguous block Move to knock-pin；Said mechanism clever structure, reasonably make use of the sliding movement up and down of knock-pin, extra dynamic without other Power source, you can realize the sliding movement of cross slider.

It is preferred that, the quantity of the cross slider, which is provided between two, and two cross sliders, to be symmetrical set, the connection Block is provided with two, and the annexation between the two ends of each contiguous block and cross slider, driving rack is to be hinged.

By above-mentioned technical proposal, two cross sliders are driven by corresponding contiguous block respectively, two cross slider meetings The outer bar wall of knock-pin is protruded from simultaneously, so as to further expand the coverage of knock-pin and the contact of fan air-out fore shell.

In summary, having the beneficial effect that in contrast to prior art of the invention：

（1）After jack-up effect occurs for an ejecting mechanism, secondary ejecting mechanism utilizes the design feature of ejector retainner plate group, realizes Preferably Double-ejection is acted, and the demoulding of fan air-out fore shell is very smooth；

（2）The sliding movement of knock-pin is reasonably make use of, cross slider there occurs that sideslip is acted, to increase considerably ejection rod end Contact coverage between portion and fan air-out fore shell.

Brief description of the drawings

Fig. 1 is the structural representation of dynamic model, for showing the position between ejecting mechanism, secondary ejecting mechanism, a dynamic model Put connection；

Fig. 2 is the partial sectional view of embodiment, the internal structure situation for showing embodiment；

Fig. 3 is Fig. 2 A portions enlarged drawing；

Fig. 4 is Fig. 2 B portions enlarged drawing；

Fig. 5 is the structural representation of secondary ejecting mechanism, the overall structure for showing secondary ejecting mechanism;

Fig. 6 is the fan air-out front casing structure schematic diagram of desire injection molding, the overall structure feelings for showing fan air-out fore shell Condition.

Reference：1st, cover half；2nd, dynamic model；21st, bottom plate；22nd, ejector retainner plate group；23rd, rear mould bases；4th, an ejecting mechanism； 5th, secondary ejecting mechanism；51st, frizzen；52nd, big end is triggered；53rd, spill spin block；531st, triggering end；532nd, rotating part；533rd, eject End；6th, groove；7th, holding tank；8th, gripper jaw；9th, knock-pin；91st, big end is ejected；10th, clamping plane；11st, resetting-mechanism；111、 Resetting block；12nd, second resets plane；13rd, first resets plane；14th, cross slider；15th, resistance surface；16th, drive division；161st, drive The flank of tooth；162nd, rack is driven；163rd, drive gear；17th, contiguous block；18th, through slip hole；19th, core；200th, once eject Block；201st, toothed surfaces；A, housing；B, air outlet.

Embodiment

The present invention is described in further detail below in conjunction with accompanying drawing.

A kind of fan air-out fore shell injection mold, referring to shown in Fig. 1 and Fig. 2, including dynamic model 2 and cover half 1, the He of dynamic model 2 Cover half 1, which can be realized, to be separated from each other or close action, and the core for injection molding fan air-out fore shell is provided with dynamic model 2 19, dynamic model 2 is overall to be divided into bottom plate 21, ejector retainner plate group 22, rear mould bases 23 from the bottom up, provided with an ejecting mechanism 4 on dynamic model 2 And secondary ejecting mechanism 5, one time ejecting mechanism 4 is fanned out to wind fore shell, the ejection of secondary ejecting mechanism 5 available for a top air-out Position is through ejecting mechanism 4, and the power source of an ejecting mechanism 4 and secondary ejecting mechanism 5 is all from ejector retainner plate group 22, Resetting-mechanism 11 is also provided with dynamic model 2；When ejector retainner plate group 22 is moved, one time ejecting mechanism 4 first can go out fan Wind fore shell is ejected in core 19, and fan air-out fore shell still can be connected on an ejecting mechanism 4, afterwards, Double-ejection machine Structure 5 is driven, and the fan air-out fore shell being pointed on an ejecting mechanism 4 is ejected, so that fan air-out fore shell is thorough Bottom departs from an ejecting mechanism 4, and resetting-mechanism 11 then can be used for carrying out initial reset effect to secondary ejecting mechanism 5.

Elaborated below for an ejecting mechanism 4：

Referring to shown in Fig. 1 and Fig. 2, an ejecting mechanism 4 includes an angled slide block 200, and an angled slide block 200 is through rear Mould bases 23 and core 19, a lower end of angled slide block 200 are connected to ejector retainner plate group 22, and upper end is provided with for being molded air outlet b Toothed surfaces 201.

Elaborated below for secondary ejecting mechanism 5：

Shown in Figure 5, secondary ejecting mechanism 5 includes spill spin block 53, frizzen 51, knock-pin 9；

Wherein, referring to be from left to right divided into shown in 3 and Fig. 5, in spill spin block 53 triggering end 531, rotating part 532, ejection End 533, rotating part 532 is rotatably connected in ejector retainner plate group 22, the pivot direction of rotating part 532 and the folding mould side of active and inactive mold To vertical, groove 6 is provided with close to the side of rear mould bases 23 in triggering end 531, the groove 6 is located at close to the side of rotating part 532； Holding tank 7 is provided with ejection end 533, the cell wall of the holding tank 7 is provided with two gripper jaws 8, and two gripper jaws 8 are in symmetrically to set Put；

Wherein, referring to shown in Fig. 2 and Fig. 3, the upper end of frizzen 51 is through ejector retainner plate group 22, and the upper end of frizzen 51 is with after There is spacing between mould bases 23, frizzen 51 is provided with the big end 52 of triggering close to the rod end of triggering end 531, triggering end 52 greatly Diameter is more than the bar footpath size of frizzen 51, and the big end 52 of triggering can be used to offset with triggering end 531；

Wherein, referring to shown in Fig. 3 and Fig. 5, the folding mould direction of the length direction of knock-pin 9 and frizzen 51 with active and inactive mold It is consistent, the upper end of knock-pin 9 is sequentially passed through under ejector retainner plate group 22, rear mould bases 23, an angled slide block 200, knock-pin 9 End is then provided with the big end 91 of ejection, and the diameter at the big end 91 of ejection is more than the bar footpath size of knock-pin 9, and in knock-pin 9 Outer bar wall is provided with twice clamping plane 10, and twice clamping plane 10 is symmetrical set, and the lower end of knock-pin 9 is located at holding tank 7 Interior, two gripper jaws 8 are mutually butted on being smaller than between two clamping planes 10, two gripper jaws 8 and eject big end 91 respectively Diameter；

Wherein, shown in Figure 3, the lower wall of spill spin block 53 resets plane 13 for first.

Elaborated below for resetting-mechanism 11：

Referring to shown in Fig. 2 and Fig. 3, the resetting-mechanism 11 includes the resetting block 111 for being fixed on bottom plate 21, the resetting block 111 Upper side wall is the second reset plane 12, and ejector retainner plate group 22 is toward during 111 1 lateral movement of resetting block, and first resets the meeting of plane 13 and second Reset plane 12 and occur plane laminating, spill spin block 53 can automatic spinning reduction.

In addition, referring to shown in Fig. 1, Fig. 2 and Fig. 4, two are provided with close to the end cross sliding of cover half 1 in knock-pin 9 Individual is in mutual symmetrically arranged cross slider 14, and the upper surface of the cross slider 14 and the upper surface of an angled slide block 200 are flush And resistance surface 15 is formed, the resistance surface 15 can be used to offset with fan air-out procapsid a, and being provided with knock-pin 9 is used to drive Drive division 16 of the cross slider 14 toward the ejection of the outside of knock-pin 9.

It is described in detail below for drive division 16：

Referring to shown in Fig. 2 and Fig. 4, the drive division 16 include the driving rack 162 that sliding up and down is connected to inside knock-pin 9, It is rotatably connected in the drive gear 163 of knock-pin 9, axis of rotation the moving up and down perpendicular to frizzen 51 of drive gear 163 Direction, is provided with an angled slide block 200 and runs through slip hole 18, and knock-pin 9, which can be passed through, runs through slip hole 18, should run through slip hole 18 hole wall is provided with the driving flank of tooth 161, and the side flank engagement of drive gear 163 is in the driving flank of tooth 161, and opposite side is then engaged In driving rack 162, the upper end of driving rack 162 is provided with two contiguous blocks 17, and the lower end of two contiguous blocks 17 is articulated with The upper end of rack 162 is driven, and the upper end of two contiguous blocks 17 then corresponds to and is articulated with two cross sliders 14 respectively.

In actual use：

Fan air-out fore shell is in injection molding process, and ejector retainner plate group 22 is close to the side of bottom plate 21, and first resets plane 13 and the Two reset planes 12 are bonded to each other, and space is left between the lower wall of the upper end of frizzen 51 and rear mould bases 23, knock-pin 9 Upper end is flush with toothed surfaces 201.

After the injection of fan air-out fore shell is completed, dynamic model 2 is separated with cover half 1, the side of mould bases 23 backward of ejector retainner plate group 22 To motion, first, ejector retainner plate group 22 promotes an angled slide block 200 to be ejected toward the direction of cover half 1, and housing a is separated with core 19, At the same time, the first reset plane 13 is separated with the second reset plane 12；Secondly, when frizzen 51 triggering end 531 with after When mould bases 23 offsets, frizzen 51 is moved because being squeezed power effect toward the direction of bottom plate 21, and the triggering of frizzen 51 is big End 52 can produce extruding force to spill spin block 53, and rotate counterclockwise can occur for whole spill spin block 53, and the ejection end 533 of spill spin block 53 is then Upward jack-up power can be produced to knock-pin 9, with the upward motion of knock-pin 9, drive gear 163 and the driving phase of the flank of tooth 161 Engagement, drive gear 163 is toward rotationally clockwise, and drive gear 163 can drive driving rack 162 up to move, Jin Ertong Crossing contiguous block 17 drives cross slider 14 to be slided toward the left and right sides, and the upper end of knock-pin 9 and the resistance surface 15 of cross slider 14 are equal It can be offseted with housing a, and housing a is departed from an angled slide block 200；

When dynamic model 2 is with 1 matched moulds of cover half, ejector retainner plate group 22 is moved toward the direction of bottom plate 21, first, and ejector retainner plate group 22 can be by once Angled slide block 200 is pulled toward the direction of bottom plate 21, and when the first reset plane 13 and second resets plane 12 and offseted, the meeting of spill spin block 53 Rotate clockwise, frizzen 51 is offseted by self gravitation effect, bottom meeting moment and the triggering end 531 of spill spin block 53, Likewise, knock-pin 9 is also by self gravitation effect, bottom meeting moment and the ejection end 533 of spill spin block 53 offset, in knock-pin During 9 move down, drive gear 163 can still be engaged at the moment with the driving flank of tooth 161, and drive gear 163 can be toward the inverse time Pin direction is rotated, and drive gear 163 is meshed with driving rack 162, and driving rack 162 is down moved, and then pulls cross slider 14 toward the interior slip of frizzen 51.

Described above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair Bright protection domain is determined by appended claim.

Claims

1. a kind of fan air-out fore shell injection mold, including dynamic model (2), cover half (1), the dynamic model (2) include bottom plate (21), top There is the ejecting mechanism that wind fore shell is fanned out to for a top air-out on needle plate group (22), rear mould bases (23), the dynamic model (2) (4), an ejecting mechanism (4) is driven by ejector retainner plate group (22), it is characterized in that：Also include secondary ejecting mechanism (5), it is described Secondary ejecting mechanism (5) is included through the frizzen (51) of ejector retainner plate group (22), spill spin block (53), through ejector retainner plate group (22) from left to right it is sequentially provided with triggering end (531) in knock-pin (9), the spill spin block (53), is rotatably connected in ejector retainner plate The internal rotating part (532) of group (22), ejection end (533)；

Described frizzen (51) one end offsets with triggering end (531), and the other end can offset with rear mould bases (23)；

Described knock-pin (9) one end offsets with ejection end (533), and the other end is through an ejecting mechanism (4)；

The bottom plate (21) is provided with resetting-mechanism (11), and the resetting-mechanism (11) is by driving spill spin block (53) and making ejection It is internal that bar (9) is reset to an ejecting mechanism (4).

2. a kind of fan air-out fore shell injection mold according to claim 1, it is characterized in that：On the triggering end (531) Provided with groove (6), the groove (6) is located at close to rotating part (532) side.

3. a kind of fan air-out fore shell injection mold according to claim 2, it is characterized in that：The frizzen (51) is close The rod end of triggering end (531) is provided with the big end (52) of triggering.

4. a kind of fan air-out fore shell injection mold according to claim 1, it is characterized in that：On the ejection end (533) Provided with holding tank (7), the cell wall of the holding tank (7) is provided with gripper jaw (8)；The knock-pin (9) is close to ejection end (533) Rod end provided with the big end (91) of ejection, the gripper jaw (8) is contacted on knock-pin (9) outer bar wall.

5. a kind of fan air-out fore shell injection mold according to claim 4, it is characterized in that：Outside the knock-pin (9) Bar wall is provided with clamping plane (10), and the pawl face of the gripper jaw (8) is corresponding with clamping plane (10).

6. a kind of fan air-out fore shell injection mold according to claim 1, it is characterized in that：The spill spin block (53) is close The side wall of bottom plate (21) resets plane (13) provided with first, and the resetting-mechanism (11) includes being fixed on the reset of bottom plate (21) Block (111), the resetting block (111) is provided be used for offseting with the first reset plane (13) second and resets plane (12).

7. a kind of fan air-out fore shell injection mold according to claim 1 ~ 6 any one, it is characterized in that：The ejection Bar (9) is provided with cross slider (14) close to the end cross sliding of cover half (1), and the cross slider (14), which is provided with, can be used for and wind Being fanned out in the resistance surface (15) that wind fore shell offsets, the knock-pin (9) to be provided with is used to drive the past knock-pin (9) of cross slider (14) outside The drive division (16) of side ejection.

8. a kind of fan air-out fore shell injection mold according to claim 7, it is characterized in that：Ejecting mechanism (4) it is provided with and runs through slip hole (18) for what knock-pin (9) was passed through, the hole wall through slip hole (18) is provided with sliding tooth Face (161)；The drive division (16) includes sliding up and down and is connected to the internal driving rack (162) of knock-pin (9), rotatable connection Drive gear (163) in knock-pin (9), drive gear (163) the side flank engagement is in the driving flank of tooth (161), and separately Side flank engagement is connected between driving rack (162), driving rack (162) upper end and cross slider (14) and is connected Block (17).

9. a kind of fan air-out fore shell injection mold according to claim 8, it is characterized in that：The number of the cross slider (14) Amount, which is provided between two, and two cross sliders (14), to be symmetrical set, and the contiguous block (17) is provided with two, each connection Annexation between the two ends of block (17) and cross slider (14), driving rack (162) is to be hinged.