CN106182636B - Injection mould rack secondary core-pulling mechanism - Google Patents
Injection mould rack secondary core-pulling mechanism Download PDFInfo
- Publication number
- CN106182636B CN106182636B CN201610791426.2A CN201610791426A CN106182636B CN 106182636 B CN106182636 B CN 106182636B CN 201610791426 A CN201610791426 A CN 201610791426A CN 106182636 B CN106182636 B CN 106182636B
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- hole
- rack
- loose core
- core block
- block
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/36—Moulds having means for locating or centering cores
- B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C2045/648—Rack and pinion means for mould opening and closing a pair of mould halves
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of injection mould rack secondary core-pulling mechanism, it includes the oil cylinder (1) being fixed on cover half and fixed block (2), the fixed block (2) is equipped with rack guide pad (3), the rack guide pad (3) is equipped with rack guide groove, rack (4) is slidably connected on the rack guide groove, the first Loose core block (7) is slidably connected on the sliding sleeve (6), the side of first Loose core block (7) is equipped with helical teeth (8), and helical teeth (8) is engaged with rack (4), the lower end of first Loose core block (7) is equipped with limited block (10)；The limited block (10) is half-and-half divided into two parts；The rack (4) is equipped with locking teeth (17), and locking teeth (17) gradient is less than the gradient of tooth on rack (4)；When molding, raised (14) are located at upper limit position；Compared with prior art, the present invention has the characteristics that simple in structure, safety is preferable, stability in use is preferable, using flexible is preferable and production cost is relatively low.
Description
Technical field
The present invention relates to a kind of injection mould rack secondary core-pulling mechanisms.
Background technology
Currently, the rack core-pulling mechanism of the prior art is often combined using wheel and rack, wheel and rack is being used
When combination, because the actuating unit on mold is linear movement, power can not be provided for direct geared, and conversion is set
After mechanism, the volume of mold is relatively large, and parts are also more, therefore usually requires that driving mechanism is separately provided for gear；But
Generally it is motor, it is relatively large relatively more with parts that mold still has volume even driving mechanism is separately provided
The problem of, further need exist for connecing electrically operated, safety is poor, and energy consumption is also higher；And at present for longer pipe on reticulate patterned surface
The best mode of core-pulling mechanism be to add intermediate core_pulling pole to realize using the sliding block of opposite opened, but since the space of mold has
Limit, in actual mould structure, often not enough spaces are arranged the sliding block of opposite opened, therefore can only use the side of insert
Formula solves, and insert needs follow-up worker's manual manipulation, this just significantly reduces the production efficiency of mold, improve mold
Production cost.
Invention content
The present invention provide in view of the above problems it is a kind of it is simple in structure, stability in use is preferable, safety is preferable and is produced into
This lower injection mould rack secondary core-pulling mechanism.
The present invention solve problem above used in technical solution be：A kind of injection mould rack two having following structure is provided
Secondary core-pulling mechanism, it includes the oil cylinder and fixed block being fixed on cover half, and the fixed block is equipped with rack guide pad, the tooth
Guide pad is equipped with rack guide groove, and rack, rack one end and cylinder piston rod are slidably connected on the rack guide groove
The side of connection, the rack guide pad is equipped with notch, and the notch is connected to rack guide groove, is set immediately below the notch
There is sliding sleeve, the first Loose core block is slidably connected on the sliding sleeve, the upper end of first Loose core block is located in notch, the first core pulling
The side of block is equipped with helical teeth, and helical teeth is engaged with rack, and first through hole, the axis of first through hole are equipped in first Loose core block
Parallel with the length direction of the first Loose core block, the lower end of first Loose core block is equipped with limited block, and the is equipped in the limited block
Two through-holes, the axis of the second through-hole is on the extended line of first through hole axis, and the middle part of the second through-hole is equipped with reaming, the limit
The upper end of position block is fixedly connected with the lower end of the first Loose core block, and the lower end of limited block is equipped with third Loose core block, the third core pulling
The upper end of block is equipped with the protrusion of T fonts, and protrusion is slidably connected in reaming, and third through-hole, third are equipped in third Loose core block
The axis of through-hole is also on the extended line of first through hole axis, and first through hole, the second through-hole and third through-hole are sequentially communicated, institute
It states and is equipped with the second Loose core block in first through hole, the lower end of second Loose core block is located in third through-hole, under the second Loose core block
End is slidably connected with third through-hole, and the lower end outer wall of the second Loose core block and the hole wall of third through-hole lower end form cavity；It is described
Limited block is half-and-half divided into two parts；The rack is equipped with locking teeth, and locking teeth on same side, is locked with the tooth on rack
Tooth position is in one end of the nearly cylinder piston rod connection of rack, and locking teeth gradient is less than the gradient of tooth on rack；When molding, raised position
In upper limit position.
After using the above structure, compared with prior art, the present invention comes as a result of the structure of two spur racks to taking out
Pellet is driven, and oil cylinder band carry-over bar moves so that the first Loose core block can slidably reciprocate up and down, and the first Loose core block is slided
When can together be slided with the second Loose core block, when the first Loose core block is with the second Loose core block upward sliding together, at the beginning
Three Loose core blocks remain stationary as, and when playing the role of compacting to product and making the second Loose core block core pulling, product stability is preferable, is not easy
The case where appearance is deformed and cracked, can be improved demoulding success rate, in the first Loose core block with the second Loose core block together upward sliding
When being counter-bored lower limit to the protrusion of third Loose core block, hereafter the first Loose core block with the second Loose core block and third Loose core block together
Upward sliding is up to the complete core pulling of third Loose core block, then since all Loose core blocks are moved to a direction, and then can be substantially
Occupied horizontal space when Loose core block core pulling is reduced, the volume of mold entirety can be reduced, and entire core pulling process does not need work
People participates in, and safety is higher, and production efficiency is also higher；And rack small volume itself is easy to avoid on mold in design
Numerous shoes and water channel is convenient for the design of mold；Furthermore big stroke can also be achieved by the setting of rack length and tooth gradient
Core pulling and quick core pulling purpose, using flexible is preferable.Therefore the present invention have simple in structure, safety preferably, using steady
Qualitative feature preferable, using flexible is preferable and production cost is relatively low.
As an improvement, the hole wall of the third through-hole is equipped with location hole, and location hole is in hole wall, the location hole
Positioning pin is slidably connected, positioning pin both ends are trapezium structure, and the cover half is equipped in the first of accommodating positioning pin one end
Recessed, second Loose core block is equipped with second indent of accommodating positioning pin one end, and the first indent and the second indent are trapezoidal
The length of indent, the positioning pin is equal to the length of location hole plus the depth of the first indent or the sum of the depth of the second indent；
Then in this way after setting, it will not be slided with the sliding of the first Loose core block by positioning pin limit in the initial stage third Loose core block of core pulling
Stability is preferable, also just preferable to the limit effect of product so that the second Loose core block is easier core pulling, and is also less susceptible to take off
Mould defect, to greatly improve demoulding success rate, and in the second Loose core block as the first Loose core block slides into the second indent and determines
When the hole face of position, the protrusion of third Loose core block is located at and is counter-bored on the position of lower limit at this time, with the continuation of the first Loose core block
Sliding, positioning pin will be squeezed into the accommodating space of the second indent and location hole composition, and the second Loose core block and the at this time
Three Loose core blocks also mutually limit, then the feelings that should be shaken and mutually collide are less prone between the second Loose core block and third Loose core block
Condition ensures the second Loose core block and third Loose core block service life.
As a further improvement, the angle between the tooth and horizontal plane of the rack is 30 ~ 50 °；It is then setting in range, tooth
After item is engaged with the helical teeth in the first Loose core block, the resistance of pulling is relatively small, and the flexibility of pulling is preferable, occupies simultaneously
Space is also relatively small number of.
Preferably, the angle is 40 °.
As further improving, cooling water channel is equipped in second Loose core block；Then after cooling water channel setting, not only may be used
To reduce the heat expansion of the second Loose core block, prevents the second Loose core block stuck in third through-hole, ensure the stability of core pulling, it can be with
The product section between the second Loose core block outer wall and third through-hole hole wall is enable to be quickly cooled down sizing, to reduce injection defect
Generation, improve the yield rate of product.
As further improving, the outer surface of the limited block and the first Loose core block outer surface and third Loose core block appearance
Face is concordant；Then in this way after setting so that the structure of corresponding slide opening is simpler on cover half, easy to process, also allows for the first pumping
The sliding of pellet and third Loose core block, to reduce processing cost and ensure demoulding efficiency.
It is improved as further, the middle part of the third through-hole is equipped with conical inboard wall, and second Loose core block lower end is set
There is the conical outer wall being bonded with conical inboard wall, and is equipped with annular groove at the second Loose core block lower end conical outer wall；Then setting in this way
Afterwards, annular groove can buffer the heat expansion of the second Loose core block, so that the stability of the conical outer wall of the second Loose core block is preferable, ensures
Conical outer wall is bonded effect with conical inboard wall, to prevent the appearance of overlap, to further increase the yield rate of product, and
Reduce cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of injection mould rack secondary core-pulling of the present invention（Cover half is not shown）.
Structural schematic diagram when Fig. 2 is injection mould rack secondary core-pulling protrusion lower limit of the present invention.
Structural schematic diagram when Fig. 3 is injection mould rack secondary core-pulling of the present invention complete core pulling.
Fig. 4 is the structural schematic diagram of alignment pin position when injection mould rack secondary core-pulling of the present invention molds state.
The structural schematic diagram of alignment pin position when Fig. 5 is injection mould rack secondary core-pulling protrusion lower limit of the present invention.
Shown in figure：1, oil cylinder, 2, fixed block, 3, rack guide pad, 4, rack, 5, notch, 6, sliding sleeve, the 7, first core pulling
Block, 8, helical teeth, 9, first through hole, 10, limited block, the 11, second through-hole, 12, reaming, 13, third Loose core block, 14, protrusion, 15,
Third through-hole, the 16, second Loose core block, 17, locking teeth, 18, location hole, 19, positioning pin, the 20, first indent, the 21, second indent,
22, cooling water channel.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of injection mould rack secondary core-pulling mechanism, it includes being fixed on to determine
Oil cylinder 1 on mould and fixed block 2, the fixed block 2 are equipped with rack guide pad 3, and the rack guide pad 3 is led equipped with rack
To slot, rack 4 is slidably connected on the rack guide groove, 4 one end of rack is connect with 1 piston rod of oil cylinder, 4 one end of rack and cunning
Dynamic to be connected in rack guide groove, the side of the rack guide pad 3 is equipped with notch 5, and the notch 5 connects with rack guide groove
Logical, the notch 5 is arranged right below sliding sleeve 6, and general sliding sleeve 6 is fixed on cover half, and first is slidably connected on the sliding sleeve 6
The upper end of Loose core block 7, first Loose core block 7 is located in notch 5, and the side of the first Loose core block 7 is equipped with helical teeth 8, and helical teeth 8 with
Rack 4 engages, and first through hole 9, the length side of the axis of first through hole 9 and the first Loose core block 7 are equipped in first Loose core block 7
To parallel, the lower end of first Loose core block 7 is equipped with limited block 10, and the lower end of the first Loose core block 7 passes through sliding sleeve 6, the limit
It is equipped with the second through-hole 11 in block 10, the axis of the second through-hole 11 is on the extended line of 9 axis of first through hole, and the second through-hole 11
Middle part is equipped with reaming 12, and the upper end of the limited block 10 is fixedly connected with the lower end of the first Loose core block 7, and the lower end of limited block 10 is set
There is third Loose core block 13, the upper end of the third Loose core block 13 is equipped with the protrusion 14 of T fonts, and protrusion 14 is slidably connected at reaming
In 12, third through-hole 15 is equipped in third Loose core block 13, the axis of third through-hole 15 is also in the extended line of 9 axis of first through hole
On, and first through hole 9, the second through-hole 11 and third through-hole 15 are sequentially communicated, and the second Loose core block is equipped in the first through hole 9
16, the lower end of second Loose core block 16 is located in third through-hole 15, and lower end and the third through-hole 15 of the second Loose core block 16 slide
Connection, and the lower end outer wall of the second Loose core block 16 and the hole wall of 15 lower end of third through-hole form cavity；The limited block 10 is to half
It is divided into two parts, the side wall of reaming 12 is equipped with through-hole, may make lubricant to enter in reaming 12 after through-hole setting so that
It is more preferable that protrusion 14 slides flexibility, and the case where be not easy to wear, thus adding convenient for the second through-hole 11 and reaming 12
Work, can be greatly reduced processing cost, half-and-half be divided into the lower end that two parts are bolted on the first Loose core block 7, and first takes out
The lower end of pellet 7 also is provided with the protrusion of T fonts, which also is located in reaming 12, when molding the end face of the protrusion with it is raised
14 end face fitting；The rack 4 is equipped with locking teeth 17, and the tooth in locking teeth 17 and rack 4 is on same side, locking teeth
17 are located at one end of 4 nearly oil cylinder of rack, 1 piston rod connection, and 17 gradient of locking teeth is less than the gradient of tooth on rack 4；When molding,
Protrusion 14 is located at upper limit position, and locking teeth 17 engages with helical teeth 8 and plays the role of locking counnter attack and move back, and can bear higher note
Blow pressure.
The hole wall of the third through-hole 15 is equipped with location hole 18, and location hole 18 is in hole wall, the location hole 18
Positioning pin 19 is slidably connected, 19 both ends of positioning pin are trapezium structure, and the cover half is equipped with accommodating 19 one end of positioning pin
First indent 20, second Loose core block 16 are equipped with second indent 21 of accommodating 19 one end of positioning pin, and 20 He of the first indent
Second indent 21 is trapezoidal indent, and the length of the positioning pin 19 is equal to depth of the length plus the first indent 20 of location hole 18
The sum of the depth of degree or the second indent 21.
Angle between the tooth and horizontal plane of the rack 4 is 30 ~ 50 °（This example be 40 ° or 30 °, 35 °, 45 °,
48 ° or 50 ° etc.）.Angle between locking teeth 17 and horizontal plane is 12 °.
The angle is 40 °.
Cooling water channel 22 is equipped in second Loose core block 16.
The outer surface of the limited block 10 and 7 outer surface of the first Loose core block and 13 outer surface of third Loose core block are concordant.
The middle part of the third through-hole 15 is equipped with conical inboard wall, and conical inboard wall is equipped with through-hole, and through-hole can prevent the second pumping
16 lower end conical outer wall of pellet generates suction-operated after being bonded with conical inboard wall, 16 lower end of the second Loose core block is equipped with and taper
The conical outer wall of inner wall fitting, and annular groove is equipped at 16 lower end conical outer wall of the second Loose core block.
When molding state, protrusion 14 is located at the upper limit position of reaming 12, and positioning pin 19 is located in location hole 18 and first
In the accommodating space of recessed 20 composition.When die sinking, oil cylinder 1 first starts, and band carry-over bar 4 moves, the phase that rack 4 passes through tooth and helical teeth 8
Interaction so that the first Loose core block 7 drives the second Loose core block 16 to move upwardly together, at this time third under the action of positioning pin 19
Loose core block 13 remains stationary as, when being moved to the lower limit position of reaming 12 to protrusion 14, second in the second Loose core block 16 at this time
Indent 21 faces location hole 18, and extraction section, subsequent first Loose core block 7 will be with the second Loose core blocks 16 for the second Loose core block 16
It is moved upwardly together with third Loose core block 13, positioning pin 19 is squeezed into the accommodating space of location hole 18 and the second indent 21 composition
It is interior, also mutually limit between the second Loose core block 16 and third Loose core block 13 at this time, until complete core pulling.When molding, oil cylinder 1
Start and pull rack 4 toward initial position so that the first Loose core block 7 with the second Loose core block 16 and third Loose core block 13 together to
Lower movement, until the lower face of third Loose core block 13 is supported with mode when closing, the first indent 20 faces location hole 18 at this time, and subsequent
Third Loose core block 13 remains stationary as, and only the first Loose core block 7 moves downwardly together with the second Loose core block 16, and positioning pin 19 is squeezed into
In the accommodating space formed to location hole 18 and the first indent 20, until protrusion 14 is located at the upper limit position of reaming 12.
Above example is only presently preferred embodiments of the present invention, and the present invention, which is not limited only to above example also, allows have other knots
Structure changes, all to change in rights to independence claimed range of the present invention, belongs to the scope of the present invention.
Claims (5)
1. a kind of injection mould rack secondary core-pulling mechanism, it includes the oil cylinder (1) being fixed on cover half and fixed block (2), spy
Sign is：The fixed block (2) is equipped with rack guide pad (3), and the rack guide pad (3) is equipped with rack guide groove, institute
It states and slidably connects rack (4) on rack guide groove, rack (4) one end is connect with oil cylinder (1) piston rod, the rack guide pad
(3) side is equipped with notch (5), and the notch (5) is connected to rack guide groove, and the notch (5) is arranged right below sliding sleeve
(6), the first Loose core block (7) is slidably connected on the sliding sleeve (6), the upper end of first Loose core block (7) is located at notch (5)
Interior, the side of the first Loose core block (7) is equipped with helical teeth (8), and helical teeth (8) is engaged with rack (4), in first Loose core block (7)
Equipped with first through hole (9), the axis of first through hole (9) is parallel with the length direction of the first Loose core block (7), first Loose core block
(7) lower end is equipped with limited block (10), is equipped with the second through-hole (11) in the limited block (10), the axis of the second through-hole (11) exists
On the extended line of first through hole (9) axis, and the middle part of the second through-hole (11) be equipped with reaming (12), the limited block (10) it is upper
End is fixedly connected with the lower end of the first Loose core block (7), and the lower end of limited block (10) is equipped with third Loose core block (13), and the third is taken out
The upper end of pellet (13) is equipped with the protrusion (14) of T fonts, and raised (14) are slidably connected in reaming (12), third Loose core block
(13) third through-hole (15) is equipped in, the axis of third through-hole (15) is also on the extended line of first through hole (9) axis, and first
Through-hole (9), the second through-hole (11) and third through-hole (15) are sequentially communicated, and the second Loose core block is equipped in the first through hole (9)
(16), the lower end of second Loose core block (16) is located in third through-hole (15), and the lower end of the second Loose core block (16) and third are logical
Hole (15) is slidably connected, and the lower end outer wall of the second Loose core block (16) and the hole wall of third through-hole (15) lower end form cavity；Institute
It states limited block (10) and is half-and-half divided into two parts；The rack (4) is equipped with locking teeth (17), on locking teeth (17) and rack (4)
Tooth on same side, locking teeth (17) is located at one end of nearly oil cylinder (1) piston rod connection of rack (4), and locking teeth (17)
Gradient is less than the gradient of tooth on rack (4)；When molding, raised (14) are located at upper limit position；The hole of the third through-hole (15)
Wall is equipped with location hole (18), and location hole (18) runs through hole wall, and positioning pin is slidably connected in the location hole (18)
(19), positioning pin (19) both ends are trapezium structure, and the cover half is equipped with first indent of accommodating positioning pin (19) one end
(20), second Loose core block (16) is equipped with second indent (21) of accommodating positioning pin (19) one end, and the first indent (20)
It is trapezoidal indent with the second indent (21), the length of the positioning pin (19) is added equal to the length of location hole (18) in first
The sum of the depth of recessed (20) or the depth of the second indent (21).
2. injection mould rack secondary core-pulling mechanism according to claim 1, it is characterised in that：The tooth of the rack (4) with
Angle between horizontal plane is 30~50 °.
3. injection mould rack secondary core-pulling mechanism according to claim 2, it is characterised in that：The angle is 40 °.
4. injection mould rack secondary core-pulling mechanism according to claim 1, it is characterised in that：Second Loose core block (16)
It is interior to be equipped with cooling water channel (22).
5. injection mould rack secondary core-pulling mechanism according to claim 1, it is characterised in that：Outside the limited block (10)
Surface and the first Loose core block (7) outer surface and third Loose core block (13) outer surface are concordant.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584554.9A CN108819129B (en) | 2016-08-31 | 2016-08-31 | Secondary core-pulling mechanism for injection mold rack |
| CN201610791426.2A CN106182636B (en) | 2016-08-31 | 2016-08-31 | Injection mould rack secondary core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791426.2A CN106182636B (en) | 2016-08-31 | 2016-08-31 | Injection mould rack secondary core-pulling mechanism |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810584554.9A Division CN108819129B (en) | 2016-08-31 | 2016-08-31 | Secondary core-pulling mechanism for injection mold rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106182636A CN106182636A (en) | 2016-12-07 |
| CN106182636B true CN106182636B (en) | 2018-09-14 |
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| CN201610791426.2A Active CN106182636B (en) | 2016-08-31 | 2016-08-31 | Injection mould rack secondary core-pulling mechanism |
| CN201810584554.9A Active CN108819129B (en) | 2016-08-31 | 2016-08-31 | Secondary core-pulling mechanism for injection mold rack |
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| CN201810584554.9A Active CN108819129B (en) | 2016-08-31 | 2016-08-31 | Secondary core-pulling mechanism for injection mold rack |
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| CN108115901A (en) * | 2017-12-26 | 2018-06-05 | 台州市黄岩西诺模具有限公司 | handle concave arc core-pulling mechanism |
| CN109866397B (en) * | 2019-03-22 | 2023-09-08 | 厦门市超日精密模具有限公司 | Combined sliding block transverse normal secondary core-pulling mechanism and injection mold |
| CN111168944B (en) * | 2020-01-10 | 2021-10-19 | 宁波方正汽车模具股份有限公司 | Twice-action core-pulling mechanism of injection mold of air inlet casing of automobile engine |
| CN114953365B (en) * | 2022-07-29 | 2022-09-30 | 赫比(成都)精密塑胶制品有限公司 | Mold structure |
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| CN2767124Y (en) * | 2005-03-02 | 2006-03-29 | 比亚迪股份有限公司 | Secondary loose core device of mold |
| CN201371556Y (en) * | 2009-02-23 | 2009-12-30 | 福星塑胶模具(深圳)有限公司 | Injection mold slide core-pulling mechanism |
| CN102582041A (en) * | 2012-03-10 | 2012-07-18 | 苏州雅尔塑业科技有限公司 | Rack rotary demolding mechanism |
| CN202727271U (en) * | 2012-06-29 | 2013-02-13 | 长城汽车股份有限公司 | Mold twice side core-pulling mechanism |
| US9056417B2 (en) * | 2012-07-03 | 2015-06-16 | Ricky L Rushing, Sr. | Sweep core die device |
| CN102862273B (en) * | 2012-09-19 | 2015-06-24 | 台州市凯华塑业有限公司 | Secondary demoulding mechanism with gear and racks for injection mould |
| CN103358489A (en) * | 2013-07-17 | 2013-10-23 | 台州市凯华塑业有限公司 | Injection mold sliding block combined-type secondary side core pulling mechanism |
| CN203438501U (en) * | 2013-08-30 | 2014-02-19 | 宁波双林模具有限公司 | Inclined core-pulling demoulding device adopting inclined rack transmission |
| CN105328873B (en) * | 2014-08-08 | 2017-12-29 | 群达模具(深圳)有限公司 | A kind of angled core-pulling device |
| CN105599175A (en) * | 2016-01-25 | 2016-05-25 | 中山市利群精密实业有限公司 | A positioning device capable of quick mold opening |
| CN205467102U (en) * | 2016-03-02 | 2016-08-17 | 上海久田汽车零部件制造有限公司 | Automatic device of loosing core of gear diversion |
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- 2016-08-31 CN CN201610791426.2A patent/CN106182636B/en active Active
- 2016-08-31 CN CN201810584554.9A patent/CN108819129B/en active Active
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| CN108819129B (en) | 2020-11-03 |
| CN106182636A (en) | 2016-12-07 |
| CN108819129A (en) | 2018-11-16 |
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Address after: 315600 Meilin street, Ningbo City, Ningbo, Zhejiang Province, No. 3 middle road, No. 3 Applicant after: Ningbo Fangzheng automobile mould Limited by Share Ltd Address before: 315600 Zhejiang city of Ningbo province Ninghai County Tashan Industrial Park Qixing Road No. 28 Applicant before: Ningbo Fangzheng Tool Co., Ltd. |
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