CN107932841A - Sliding block core-pulling mechanism - Google Patents
Sliding block core-pulling mechanism Download PDFInfo
- Publication number
- CN107932841A CN107932841A CN201711226551.XA CN201711226551A CN107932841A CN 107932841 A CN107932841 A CN 107932841A CN 201711226551 A CN201711226551 A CN 201711226551A CN 107932841 A CN107932841 A CN 107932841A
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- China
- Prior art keywords
- block
- sliding block
- small slide
- slide block
- big sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—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
- B29C45/40—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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C2045/445—Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of sliding block core-pulling mechanism, including it is connected to dynamic model upper bed-plate (1), it is characterised in that：The base (1) is equipped with bottom plate (2), big sliding block (3) is slidably equipped with the bottom plate (2), the base (1) is equipped with pulling block (4) and oil cylinder (5), one end of the pulling block (4) is connected with the piston rod of oil cylinder (5), the other end is removable to be fitted on big sliding block (3), and ramp-roof structure and straight roof construction are additionally provided with the big sliding block (3).A kind of sliding block core-pulling mechanism disclosed by the invention, simple in structure, compact, stability is good, has deferred action, and when demoulding will not damage product overhead structure.
Description
Technical field
The present invention relates to technical field of mold, specifically a kind of sliding block core-pulling mechanism.
Background technology
Injection molding process is processing method very universal in existing plastic product production, and is led in injecting products
Often can be there are the overhead structure of some sides, this structure usually requires to do side core-pulling mechanism in product stripping, and in order to
Prevent product Barb portion from having damage in the demoulding, certain deferred action, existing skill are also needed to while side core-pulling
Largely add the combination of waist-shaped hole in art using angle ejector rod when solving the problems, such as that this is a kind of, this structure needs upper and lower mould to beat
There is sufficiently large space when opening, the twice core pulling action being otherwise delayed is difficult to realize, and the volume that this can result in grinding tool is big, cost
It is high.
So it is badly in need of a kind of compact-sized, small, the good sliding block for being used for the demoulding of product barb at side surface structure of stability
Core-pulling mechanism.
The content of the invention
The technical problems to be solved by the invention are：A kind of sliding block core-pulling mechanism is provided, simple in structure, compact, stability
It is good, there is deferred action, when demoulding will not damage product overhead structure.
The technical solution used in the present invention is：A kind of sliding block core-pulling mechanism is provided, including the base being connected on dynamic model,
The base is equipped with bottom plate, and big sliding block is slidably equipped with the bottom plate, and the base is equipped with pulling block and oil
Cylinder, one end of the pulling block and the piston rod of oil cylinder connect, and the other end is removable to be fitted on big sliding block, the big sliding block
Inside it is additionally provided with ramp-roof structure and straight roof construction；
The ramp-roof structure includes the first small slide block and slides the angle ejector rod being fitted on the first small slide block, and described is oblique
Mandril and the first small slide block are set into inclination angle, and the one end of the angle ejector rod away from the first small slide block is equipped with slanted kicking block, described
First small slide block is equipped with first through hole, slidably connects the first limited block in the first through hole, on the big sliding block
Equipped with that can coordinate the first spacing limit hole with the upper end of the first limited block, the bottom plate is equipped with can be with the first limited block
Lower end coordinates the second spacing limit hole；
The straight roof construction includes the second small slide block and the straight mandril being located on the second small slide block, and the straight mandril is remote
One end from the second small slide block is equipped with straight jacking block, and second small slide block is equipped with the second through hole, in second through hole
The second limited block is slidably connected, the big sliding block, which is equipped with, to coordinate spacing the 3rd spacing with the upper end of the second limited block
Hole, the bottom plate, which is equipped with, to coordinate the 4th spacing limit hole, second small slide block with the lower end of the second limited block
Spring is equipped between big sliding block, when big sliding block has just started sliding, the spring drives directly for withstanding the second small slide block
Mandril withstands product, and when big sliding block is moved to the first predeterminated position, second small slide block follows big sliding block to move together,
The first small slide block is motionless in above-mentioned moving process, and under angle ejector rod guiding role, slanted kicking block is separated with product barb face, when big
When sliding block continuously moves to the second predeterminated position, first small slide block also follows big sliding block to move together, and it is complete to complete product
The full demoulding.
The present invention's has the following advantages compared with prior art：
Ramp-roof structure and straight roof construction have been done good combination by the sliding block core-pulling mechanism of the present invention, and ramp-roof structure is mainly used
In the demoulding with product Barb portion, straight roof construction is used to withstand product when big sliding block has just started mobile, prevents product from following
Big sliding block to move together, since product side is there are overhead structure, so there can be the risk of damage product barb at side surface；
When mould is in molding state, the first limited block in ramp-roof structure coordinates spacing in the second limited block, straight top
Second limited block of structure coordinates spacing in the 4th limit hole；
When molding core pulling, big sliding block is past under the driving effect of oil cylinder to move right, in this moving process, the second small slide block
Spring between big sliding block acts against straight jacking block on product, and at the same time the first small slide block is also slack, due to oblique top
Bar is obliquely installed in big sliding block, and when big sliding block, which is turned right, to be moved horizontally, angle ejector rod is along the opposite direction of incline direction
Mobile, slanted kicking block slowly slides under the drive of angle ejector rod along away from the direction of product overhead structure, when the second small slide block moves
Move to the left side wall of accommodating cavity on big sliding block and the second small slide block left side wall lean when, the 3rd limit hole is placed exactly in the second limit
The surface of position block, oil cylinder continue to drive big sliding block toward moving right, due to above the second limited block being at this time empty, so
Under the action of the protrusion of second limited block lower end and the 4th limit hole, the second limited block upper end is squeezed into the 3rd limit hole,
The second limited block is no longer mutually spacing with bottom plate to the second small slide block at this time, but big sliding block and the second small slide block are mutually limited
Position, hereafter the second small slide block turn right together with big sliding block movement, the first small slide block is still slack at this time, slanted kicking block still edge
And moved away from the direction of product barb, until the second small slide block and big sliding block, which are moved together to the first limit hole, is placed exactly in the
The surface of one limited block, oil cylinder continue to drive, same due to being empty above the first limited block, so spacing first
Under the action of the lower section protrusion of block and the second limit hole, the upper end of the first limited block is squeezed into the first limit hole, at this time
First limited block is no longer spacing to the first small slide block and bottom plate progress, but the first small slide block and big sliding block are mutually limited
Position, hereafter the first small slide block turn right together with big sliding block movement, be no longer moved between angle ejector rod and the first small slide block, oblique top
Bar simply moves together with big sliding block along toward right direction, realizes the complete demoulding of product.
Spacing in the present invention is all to realize delayed switching by limited block, and flexibility and accuracy are all higher, is taken out
Core process stability is preferable, and will not produce damage to the overhead structure part of product.
Further, the first predeterminated position refers to, big sliding block slides into accommodating cavity left side wall and the second small slide block left side wall
Lean, the upper end of the second limited block coordinates spacing in the 3rd limit hole at this time so that big sliding block is connected with the second small slide block
It is integrated；Second predeterminated position refers to, when big sliding block with the second small slide block continue to slide together until the first limited block it is upper
End cooperation is spacing in the first limit hole, and big sliding block is connected as one with the first small slide block at this time.
As an improvement, first limit hole, the second limit hole, the vertical cross-section of the 3rd limit hole and the 4th limit hole
It is trapezoidal or arc-shaped, the upper and lower ends of first limited block and the second limited block are equipped with and corresponding limit hole
The consistent limit protrusion of shape.Each limit hole be trapezium structure or arc-shaped structure with it is convex on corresponding limited block
Rise when relatively moving, more preferable guiding role can be played, there is guiding role power.
Improve again, the bottom plate is equipped with the first locating piece, for controlling the shift position of the first small slide block, molding
When, first small slide block is acted against on the first locating piece, and at this time, the lower end cooperation of the first limited block is spacing spacing second
In hole.Small slide block movement is carried out by the first locating piece set in bottom plate spacing so that the first small slide block and big sliding block
Move together to during extreme position with more stable position-limiting action, if only by limited block and the spacing work of limit hole
With the risk that can depart from.
As an improvement, the big sliding block is equipped with accommodating cavity, second small slide block is slidably fitted in accommodating cavity
The second interior and described small slide block is slidable between being equal between the 3rd limit hole and the 4th limit hole in accommodating cavity
Away from.The setting of this structure cause big sliding block turn right be moved to certain distance when, accommodating cavity left side wall offsets with the second small slide block
Big sliding block drives the second small slide block together toward moving right rearward, because relying solely on the cooperation of the second limited block and the 3rd limit hole
Positioning, still can have the opposite risk slided between the second small slide block and big sliding block, and make it that second is small after using this structure
With stable driving effect when sliding block is moved together with big sliding block.
Improve again, second small slide block is equipped with the second locating piece, and dynamic model core rod is equipped with and the second locating piece phase
The equipped hole coordinated, during molding, second locating piece is equipped with spacing in equipped hole, and the lower end of the second limited block is matched somebody with somebody at this time
Close spacing in the 4th limit hole.This second locating piece is used for spacing to being carried out during the second downslide block reset, and during molding, second is fixed
Position block is acted against in equipped hole, is avoided the second small slide block from colliding with accommodating cavity side wall, is caused the second small slide block to deform.
As an improvement, the bottom plate is equipped with limited block, the big sliding block is equipped with limiting slot, when big sliding block is slided
Move to the limiting slot slot bottom and limited block left side wall lean when, the big sliding block stops sliding.
As an improvement, first small slide block is equipped with T-slot, the angle ejector rod is set close to one end of the first small slide block
There is T-shaped protrusion, the angle ejector rod is slidably fitted in T-slot by T-shaped protrusion.First small slide block passes through T with angle ejector rod
Type groove structure slide and is equipped with, and simple in structure, connective stability is good, and when the first small slide block is motionless, angle ejector rod is led in big sliding block
Along T-slot sliding motion under to effect, realize that barb demoulds, when the first small slide block is past to move right, and can be connected by T-slot
Driving angle ejector rod is connect to turn right together movement.
As an improvement, the base is equipped with sliding slot, the both sides of the sliding slot are equipped with wear-resistant block, on the wear-resistant block
Equipped with groove, the big sliding block is slidably fitted in sliding slot, and big sliding block both ends are equipped with and coordinate spacing chimb with groove.Greatly
Sliding block and action are slidably matched position increase wear-resistant block, add the service life of big sliding block, and wear-resistant block is equipped with sliding slot,
Big sliding block is equipped with chimb so that is slidably matched and more stablizes, guidance quality is more preferable.
As an improvement, being additionally provided with the 3rd small slide block and inclined guide pillar in the big sliding block, set in the 3rd small slide block
There is oblique through hole, the upper end of the inclined guide pillar is connected on cover half, and the lower end of the inclined guide pillar is slidably inserted into oblique through hole.Should
Structure can be used for the demoulding of the small barb in another place in product upper top position, simple in structure, be convenient in demoulding.
Brief description of the drawings
Fig. 1 is the structure diagram of the sliding block core-pulling mechanism of the present invention.
Fig. 2 is another angled arrangement schematic diagram of the sliding block core-pulling mechanism of the present invention.
Fig. 3 is the sectional view in Fig. 1.(main display pitched roof mechanism structure chart)
Fig. 4 is another angle sectional view in Fig. 1.(the main straight top mechanism structure figure of display)
Fig. 5 is the structure diagram removed in Fig. 1 after big sliding block.
Fig. 6 is another angled arrangement schematic diagram of Fig. 5.
Fig. 7 is amplification assumption diagram at X in Fig. 3.
Fig. 8 is amplification assumption diagram at Y in Fig. 4.
Wherein, 1, base, 1.1, sliding slot, 2, bottom plate, the 2.1, second limit hole, the 2.2, the 4th limit hole, 3, big sliding block,
3.1st, the first limit hole, the 3.2, the 3rd limit hole, 3.3, accommodating cavity, 3.4, limiting slot, 3.5, chimb, 4, pulling block, 5, oil cylinder, 6,
First small slide block, 6.1, first through hole, 6.2, T-slot, 7, angle ejector rod, 7.1, T-shaped protrusion, 8, slanted kicking block, the 9, first limited block,
10th, the second small slide block, the 10.1, second through hole, 10.2, spring eye, 11, straight mandril, 12, straight jacking block, the 13, second limited block, 14,
Spring, 15, limit protrusion, the 16, first locating piece, the 17, second locating piece, 18, limited block, 19, wear-resistant block, 19.1, groove,
20th, the 3rd small slide block, 20.1, oblique through hole, 21, inclined guide pillar
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~8, the present invention provides a kind of sliding block core-pulling mechanism, including is connected to 100 upper bed-plate 1 of dynamic model, base
1 is equipped with bottom plate 2, is slidably equipped with big sliding block 3 on bottom plate 2, and base 1 is equipped with pulling block 4 and oil cylinder 5, one end of pulling block 4 with
The piston rod connection of oil cylinder 5, the other end is removable to be fitted on big sliding block 3, and ramp-roof structure and Zhi Ding are additionally provided with big sliding block 3
Structure.
Ramp-roof structure include the first small slide block 6 and slip be fitted on the first small slide block 6 angle ejector rod 7, in particular to, the
One small slide block 6 is equipped with T-slot 6.2, and angle ejector rod 7 is equipped with T-shaped raised 7.1 close to one end of the first small slide block 6, and angle ejector rod 7 is logical
T-shaped raised 7.1 are crossed slidably to be fitted in T-slot 6.2.
7 and first small slide block 6 of angle ejector rod is set into inclination angle, and in originally implementing, the angle ejector rod 7 is along close to product barb
Position side is obliquely installed, and preferable angle of inclination is set to 15 °, is equipped with the one end of angle ejector rod 7 away from the first small slide block 6
Slanted kicking block 8, the first small slide block 6 are equipped with first through hole 6.1, the first limited block 9 are slidably connected in first through hole 6.1, big sliding
Block 3 is equipped with can coordinate spacing the first limit hole 3.1 with the upper end of the first limited block 9, bottom plate 2 be equipped with can with it is first spacing
The lower end of block 9 coordinates the second spacing limit hole 2.1.
Straight roof construction includes the second small slide block 10 and the straight mandril 11 being located on the second small slide block 10, and straight mandril 11 is away from the
One end of two small slide blocks 10 is equipped with straight jacking block 12, and the second small slide block 10 is equipped with the second through hole 10.1, is slided in the second through hole 10.1
Dynamic to be connected with the second limited block 13, big sliding block 3, which is equipped with, to coordinate the 3rd spacing limit hole with the upper end of the second limited block 13
3.2, bottom plate 2 is equipped with can coordinate the 4th spacing limit hole 2.2 with the lower end of the second limited block 13, big sliding in the present embodiment
Block 3 is equipped with accommodating cavity 3.3, and the second small slide block 10 is slidably fitted in accommodating cavity 3.3, and the second small slide block 10 is in accommodating cavity
Slidably distance a is equal to the spacing b between the 3rd limit hole 3.2 and the 4th limit hole 2.2 in 3.3.
Spring 14 is equipped between second small slide block 10 and big sliding block 3, bullet is equipped with the right side wall of second small slide block 10
Spring hole 10.2, one end of spring 14 act against 10.2 bottom of spring eye, and the other end is acted against on the right side wall of accommodating cavity 3.3, when
When big sliding block 3 just starts sliding, spring 14, which withstands the second small slide block 10, drives straight mandril 11 to withstand product, avoids product and then big
Sliding block 3 moves together, and when big sliding block 3 is moved to the first predeterminated position, the second small slide block 10 follows big sliding block 3 to move together,
The first small slide block 6 is motionless in above-mentioned moving process, and under 7 guiding role of angle ejector rod, slanted kicking block 8 is separated with product barb face,
When big sliding block 3 continuously moves to the second predeterminated position, first small slide block 6 also follows big sliding block 3 to move together, and completes
Product demoulds completely.
In the present embodiment, the first predeterminated position refers to, big sliding block 3 slides into 3.3 left side wall of accommodating cavity and the second small slide block
10 left side walls lean, and the upper end of the second limited block 13 coordinates spacing in the 3rd limit hole 3.2 at this time so that big sliding block 3 with
Second small slide block 10 is connected as one；Second predeterminated position refers to, when big sliding block 3 continues to slide together with the second small slide block 10
Upper end cooperation to the first limited block 9 is spacing in the first limit hole 3.1, and big 3 and first small slide block 6 of sliding block is connected as one at this time
Body.
In the present embodiment, the first limit hole 3.1, the second limit hole 2.1, the 3rd limit hole 3.2 and the 4th limit hole 2.2
Vertical cross-section be it is trapezoidal or arc-shaped, the upper and lower ends of the first limited block 9 and the second limited block 13 be equipped with it is each corresponding
The consistent limit protrusion 15 of spacing hole shape.
Bottom plate 2 is equipped with the first locating piece 16, for controlling the shift position of the first small slide block 6, during molding, the first small cunning
Block 6 is acted against on the first locating piece 16, and at this time, the lower end cooperation of the first limited block 9 is spacing in the second limit hole 2.1.
Second small slide block 10 is equipped with the second locating piece 17, and dynamic model core rod is equipped with and the second locating piece 17 is matched matches somebody with somebody
Hole is filled, during molding, the second locating piece 17 is equipped with spacing in equipped hole, and the lower end of the second limited block 13 coordinates spacing the at this time
In four limit holes 2.2.
Bottom plate 2 is equipped with limited block 18, and big sliding block 3 is equipped with limiting slot 3.4, when big sliding block 3 turn right be moved to it is spacing
When 3.4 slot bottom of groove leans with 18 left side wall of limited block, big sliding block 3 stops sliding.
In the present embodiment, base 1 is equipped with sliding slot 1.1, and the both sides of sliding slot 1.1 are respectively equipped with wear-resistant block 19, and wear-resistant block
19 are equipped with groove 19.1, and big 3 both ends of sliding block are equipped with coordinates spacing chimb 3.5 with groove 19.1, big 3 both ends of sliding block with it is wear-resisting
Block 19 is slidably equipped with.
The 3rd small slide block 20 and inclined guide pillar 21 are additionally provided with big sliding block 3, is equipped with oblique through hole 20.1 in the 3rd small slide block 20, tiltedly
The upper end of guide post 21 is connected on cover half, and the lower end of inclined guide pillar 21 is slidably inserted into oblique through hole 20.1.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair
Bright to be not only limited to above example, its concrete structure is allowed to vary, all institutes in the protection domain of demand for independence of the present invention
The various change of work is within the scope of the present invention.
Claims (10)
1. a kind of sliding block core-pulling mechanism, including the base (1) being connected on dynamic model, it is characterised in that：Set on the base (1)
There is bottom plate (2), big sliding block (3) is slidably equipped with the bottom plate (2), the base (1) is equipped with pulling block (4) and oil
Cylinder (5), one end of the pulling block (4) are connected with the piston rod of oil cylinder (5), and the other end is removable to be fitted on big sliding block (3),
Ramp-roof structure and straight roof construction are additionally provided with the big sliding block (3)；
The ramp-roof structure is fitted in the angle ejector rod (7) on the first small slide block (6), institute including the first small slide block (6) and slip
The angle ejector rod (7) stated is set with the first small slide block (6) into inclination angle, the one end of the angle ejector rod (7) away from the first small slide block (6)
Equipped with slanted kicking block (8), first small slide block (6) is equipped with first through hole (6.1), is slided in the first through hole (6.1)
Dynamic to be connected with the first limited block (9), the big sliding block (3) is equipped with can be spacing with the cooperation of the upper end of the first limited block (9)
First limit hole (3.1), the bottom plate (2), which is equipped with, to coordinate spacing second spacing with the lower end of the first limited block (9)
Hole (2.1)；
The straight roof construction includes the second small slide block (10) and the straight mandril (11) being located on the second small slide block (10), described
The one end of straight mandril (11) away from the second small slide block (10) is equipped with straight jacking block (12), and second small slide block (10) is equipped with the
Two through holes (10.1), slidably connect the second limited block (13) in second through hole (10.1), on the big sliding block (3)
Equipped with can coordinate spacing the 3rd limit hole (3.2) with the upper end of the second limited block (13), the bottom plate (2) is equipped with can be with
The lower end of second limited block (13) coordinates the 4th spacing limit hole (2.2), second small slide block (10) and big sliding block (3)
Between be equipped with spring (14), when big sliding block (3) just started sliding when, the spring (14) be used for withstand the second small slide block (10)
Drive straight mandril (11) to withstand product, when big sliding block (3) is moved to the first predeterminated position, second small slide block (10) with
Big sliding block (3) to move together, the first small slide block (6) is motionless in above-mentioned moving process, under angle ejector rod (7) guiding role,
Slanted kicking block (8) is separated with product barb face, when big sliding block (3) continuously moves to the second predeterminated position, the described first small cunning
Block (6) also follows big sliding block (3) to move together, and completes product and demoulds completely.
2. sliding block core-pulling mechanism according to claim 1, it is characterised in that：First predeterminated position refers to that big sliding block (3) is sliding
Move accommodating cavity (3.3) left side wall to lean with the second small slide block (10) left side wall, the upper end of the second limited block (13) is matched somebody with somebody at this time
Close spacing in the 3rd limit hole (3.2) so that big sliding block (3) is connected as one with the second small slide block (10)；
Second predeterminated position refers to, when big sliding block (3) continues to slide until the first limited block 9 together with the second small slide block (10)
Upper end coordinate it is spacing in the first limit hole 3.1, big sliding block 3 is connected as one with the first small slide block 6 at this time.
3. sliding block core-pulling mechanism according to claim 1 or 2, it is characterised in that：First limit hole (3.1), second
The vertical cross-section of limit hole (2.1), the 3rd limit hole (3.2) and the 4th limit hole (2.2) be it is trapezoidal or arc-shaped, described
The upper and lower ends of one limited block (9) and the second limited block (13) are equipped with the limit convex consistent with corresponding spacing hole shape
Rise (15).
4. sliding block core-pulling mechanism according to claim 2, it is characterised in that：The bottom plate (2) is equipped with the first positioning
Block (16), for controlling the shift position of the first small slide block (6), during molding, it is fixed that first small slide block (6) acts against first
On position block (16), at this time, the lower end cooperation of the first limited block (9) is spacing in the second limit hole (2.1).
5. sliding block core-pulling mechanism according to claim 1 or 2, it is characterised in that：The big sliding block (3) is equipped with accommodating
Chamber (3.3), second small slide block (10) is slidably fitted in accommodating cavity (3.3), and second small slide block (10)
Slidable distance is equal to the spacing between the 3rd limit hole (3.2) and the 4th limit hole (2.2) in accommodating cavity (3.3).
6. sliding block core-pulling mechanism according to claim 5, it is characterised in that：Second small slide block (10) is equipped with the
Two locating pieces (17), dynamic model core rod be equipped with the matched equipped hole of the second locating piece (17), during molding, described second is fixed
Position block (17) is equipped spacing in equipped hole, and the lower end of the second limited block (13) coordinates spacing in the 4th limit hole (2.2) at this time
It is interior.
7. sliding block core-pulling mechanism according to claim 1, it is characterised in that：The bottom plate (2) is equipped with limited block
(18), the big sliding block (3) is equipped with limiting slot (3.4), on the left of the limiting slot (3.4) slot bottom and limited block (18)
When wall leans, the big sliding block (3) stops sliding.
8. sliding block core-pulling mechanism according to claim 1, it is characterised in that：First small slide block (6) is equipped with T-shaped
Groove (6.2), the angle ejector rod (7) are equipped with T-shaped raised (7.1), the angle ejector rod (7) close to one end of the first small slide block (6)
Slidably it is fitted in T-slot (6.2) by T-shaped raised (7.1).
9. sliding block core-pulling mechanism according to claim 1, it is characterised in that：The base (1) is equipped with sliding slot
(1.1), the both sides of the sliding slot (1.1) are equipped with wear-resistant block (19), and the wear-resistant block (19) is equipped with groove (19.1), described
Big sliding block (3) is slidably fitted in sliding slot (1.1), and big sliding block (3) both ends be equipped with coordinate with groove (19.1) it is spacing convex
Side (3.5).
10. according to the sliding block core-pulling mechanism described in claim 1-9 any one, it is characterised in that：In the big sliding block (3)
The 3rd small slide block (20) and inclined guide pillar (21) are additionally provided with, oblique through hole (20.1) is equipped with the 3rd small slide block (20), it is described
The upper end of inclined guide pillar (21) is connected on cover half (101), and the lower end of the inclined guide pillar (21) is slidably inserted into oblique through hole
(20.1) in.
Priority Applications (1)
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| CN110421796A (en) * | 2019-08-27 | 2019-11-08 | 厦门新倍鑫模具有限公司 | A kind of mould secondary pulled core structure of substitution sliding block hinge dental structure |
| CN110154334B (en) * | 2019-06-04 | 2021-08-24 | 浙江台州美多模具有限公司 | Multi-direction core-pulling mechanism for sliding block of injection mold |
| CN113478755A (en) * | 2021-06-18 | 2021-10-08 | 宁波方正汽车模具股份有限公司 | Lateral core-pulling structure of automobile air conditioner shell |
| CN114311550A (en) * | 2022-01-06 | 2022-04-12 | 宁波方正汽车模具股份有限公司 | Combined sliding block core-pulling mechanism |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
| CN114523633A (en) * | 2022-01-11 | 2022-05-24 | 宁波方正汽车模具股份有限公司 | Secondary demoulding structure |
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| CN110154334B (en) * | 2019-06-04 | 2021-08-24 | 浙江台州美多模具有限公司 | Multi-direction core-pulling mechanism for sliding block of injection mold |
| CN110421796A (en) * | 2019-08-27 | 2019-11-08 | 厦门新倍鑫模具有限公司 | A kind of mould secondary pulled core structure of substitution sliding block hinge dental structure |
| CN110421796B (en) * | 2019-08-27 | 2024-04-05 | 厦门新倍鑫模具有限公司 | Mould secondary core-pulling structure for replacing slider hinge tooth structure |
| CN113478755A (en) * | 2021-06-18 | 2021-10-08 | 宁波方正汽车模具股份有限公司 | Lateral core-pulling structure of automobile air conditioner shell |
| CN114311550A (en) * | 2022-01-06 | 2022-04-12 | 宁波方正汽车模具股份有限公司 | Combined sliding block core-pulling mechanism |
| CN114523633A (en) * | 2022-01-11 | 2022-05-24 | 宁波方正汽车模具股份有限公司 | Secondary demoulding structure |
| CN114393794A (en) * | 2022-01-20 | 2022-04-26 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
| CN114393794B (en) * | 2022-01-20 | 2024-03-22 | 宁波东恩精密机械有限公司 | Forming die convenient to back-off shaping and drawing of patterns |
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