CN107471559A

CN107471559A - Position-limit mechanism is taken out in a kind of injection mold and its side

Info

Publication number: CN107471559A
Application number: CN201710810721.2A
Authority: CN
Inventors: 王统良
Original assignee: Taizhou Sanding Plastic Co Ltd
Current assignee: Taizhou Sanding Plastic Co Ltd
Priority date: 2017-09-09
Filing date: 2017-09-09
Publication date: 2017-12-15
Anticipated expiration: 2037-09-09
Also published as: CN107471559B

Abstract

The invention discloses a kind of injection mold and its side to take out position-limit mechanism, and its drip irrigation device is：Including the first erecting bed, it is connected to the Angle Pin of the first erecting bed, second erecting bed, side core sliding block, side core sliding block is provided with oblique guide hole, forming ends, it can be separated from each other between first erecting bed and the second erecting bed or close, grafting coordinates to drive side core sliding block to be slid back and forth between Angle Pin and oblique guide hole, also include main limiting section, main limiting section includes the spacing clip assembly for being installed on the second erecting bed, spacing clip assembly includes at least two spacing intermediate plates, torsion spring, clamping gap between two neighboring spacing intermediate plate be present, limited block is installed on side core sliding block；Side is set to take out position-limit mechanism in mould inside, and secondary limit assembly power resources can offset in the positive stop end in action caused by spacing intermediate plate, secondary limit assembly with slipping block, both cooperate, the sliding stability of side core sliding block is significantly lifted, mould whole service life gets a promotion.

Description

Position-limit mechanism is taken out in a kind of injection mold and its side

Technical field

The present invention relates to plastic products injection molding tool, position-limit mechanism is taken out in more particularly to a kind of injection mold and its side.

Background technology

Existing plastic products injection forming mold, the Chinese invention patent if notification number is CN105150468A have side The injection mold of core pulling, its inside mainly include cover half and dynamic model, have one between dynamic model and cover half and are used to be molded into shape The forming cavity of material products, the plastic products for carrying mounting hole on portion outboard wall, meeting installation side at corresponding mounting hole Core-pulling mechanism, the side core-pulling mechanism refer to the accompanying drawing 1 of the patent, and side core-pulling mechanism includes side core sliding block, side core sliding block End is used for patterned mounting holes, and oblique guide hole is also provided with side core sliding block, and similarly there is provided Angle Pin, Angle Pin to be inserted into In oblique guide hole, and it can be used to drive whole side core sliding block to be slidably reciprocated.

Side core sliding block will realize sliding movement, it will usually slippage slot, side core sliding are opened up on corresponding dynamic model surface It is connected in slippage slot, because the height of whole side core block is higher, if only slippage slot locating slip effect is relied on, entirely The sliding stability of side core sliding block is not strong, can influence the actual life of whole side core-pulling mechanism.

The content of the invention

In view of the deficienciess of the prior art, first purpose of the present invention is that providing a kind of side takes out position-limit mechanism, its Internal actual life is longer.

The present invention above-mentioned technical purpose technical scheme is that：Position-limit mechanism is taken out in a kind of side, bag Include the first erecting bed, the Angle Pin for being connected to the first erecting bed, the second erecting bed, sliding are connected to the side core of the second erecting bed Sliding block, the side core sliding block are provided with oblique guide hole, the forming ends for moulded plastic products mounting hole, first erecting bed And second can be separated from each other between erecting bed or close, between the Angle Pin and oblique guide hole grafting coordinate to drive side core to slide Block is slid back and forth, in addition to deviates from the main limiting section of forming ends side positioned at side core sliding block, and the main limiting section includes The spacing clip assembly of the second erecting bed is installed on, the spacing clip assembly includes at least two spacing intermediate plates, torsion spring, two neighboring Clamping gap between spacing intermediate plate be present, the limited block for entering clamping gap is installed on the side core sliding block, it is described Torsion spring forces in spacing intermediate plate and spacing intermediate plate produces chucking power to limited block.

Pass through above-mentioned technical proposal, when the first erecting bed and the phase separation of the second erecting bed, Angle Pin matches with oblique guide hole Close, driving side core sliding block enters line slip along the second erecting bed toward side, with the sliding of side core sliding block, positioned at side core Limited block on sliding block can be also entered in clamping gap, and two spacing intermediate plates are by the twisting force of torsion spring, position limiting clamp sector-meeting Squeezing action is produced to limited block lateral wall, after Angle Pin is completely withdrawn from from oblique guide hole, whole spacing clip assembly also can Side core sliding block is carried out final spacing；In the process, as limited block is constantly entered in clamping gap, torsion spring applies Also can constantly it strengthen in the torsion of spacing intermediate plate, spacing intermediate plate also can constantly become big to the chucking power of limited block, and then contribute to Lift the sliding stability of whole side core sliding block；In addition, when the first erecting bed and the second erecting bed close to each other, Angle Pin Cooperation is produced between oblique guide hole, limited block also can slowly detach from clamping gap, and during this, spacing intermediate plate also can the moment Certain chucking power is produced to limited block, lifts the sliding stability of side core sliding block；Finally to lift its internal actual use Life-span.

Preferably, the conflict post for being offseted with limited block is provided with the clamping gap.

Pass through above-mentioned technical proposal, when Angle Pin is separated with oblique guide hole, limited block can offset with contradicting post lateral wall, And for side core sliding block integral slipping during, wear maximum point be limited block and contradict post between produce shock when Caused abrasion, after long-time Reusability, damage will certainly be produced by contradicting outer surface of column, now only need to enter conflict post Row is changed；In addition, in use, the injury tolerance suffered by spacing intermediate plate can also be greatly reduced.

Second object of the present invention is to provide a kind of injection mold, and its overall actual life is longer.

The present invention above-mentioned technical purpose technical scheme is that：A kind of injection mold, including it is dynamic Mould and cover half, in addition to pressing plate, above-mentioned side take out position-limit mechanism, and the dynamic model is provided with the first mounting groove, the pressing plate peace Chute is formed loaded on dynamic model and between the first mounting groove bottom land, the side core sliding block is provided with slipping block, and the chute supplies Side core sliding block enters line slip, and second erecting bed is the dynamic model.

Pass through above-mentioned technical proposal, the slipping block in whole side core sliding block can be carried out back and forth in chute, slipping block meeting Certain abrasion is produced, only pressing plate need to be disassembled, then whole side core sliding block can be taken apart, carry out maintenance replacing, To keep overall operational reliability；In addition, side core-pulling position-limit mechanism, which possesses position-limited rack component inside it, can effectively reduce side type The sliding stability of core sliding block, to lift overall actual life.

Preferably, the dynamic model is provided with the second mounting groove, and the main limiting section is installed in the second mounting groove, and described The cell wall of two mounting grooves offsets with spacing intermediate plate, and for limiting the limit opening angle of two adjacent position limiting clamp pieces.

Pass through above-mentioned technical proposal, after limited block is squeezed into clamping gap, limited block lateral wall can be to spacing intermediate plate Extruding force is produced, after Angle Pin is separated from each other with oblique guide hole, the cell wall of position limiting clamp sector-meeting and the second mounting groove offsets to limit The limit opening angle of two adjacent spacing intermediate plates is made, to lift final spacing stability.

Preferably, in addition to secondary limiting section, the secondary limiting section include slave connecting rod component, and the slave connecting rod component is provided with Drive end and positive stop end, as limited block is gradually pressed into clamping gap, the spacing intermediate plate correspondingly acts on drive end, and makes Positive stop end offsets with slipping block.

Pass through above-mentioned technical proposal, when spacing intermediate plate is produced motion by the extruding force of limited block, position limiting clamp sector-meeting Drive end is acted on, the positive stop end of slave connecting rod component can offset to slipping block, with the position-limiting action of auxiliary stopper frame component, lifting Limit effect.

Preferably, the spacing intermediate plate is articulated with dynamic model by fastening bolt, and the position limiting clamp piece end is provided with actively Tooth, the slave connecting rod component include driving lever, contradict bar, back-moving spring, and the drive end is located at active boom end, the driving End is provided with the driven tooth for being used for being meshed with driving tooth；

Dynamic model is articulated with the middle part of the conflict bar, the positive stop end deviates from driving tooth positioned at the end for contradicting bar, the driving lever End can be used for and contradict bar and offseted away from the end of positive stop end, and drive the positive stop end for contradicting bar to be offseted with slipping block；

The back-moving spring is used to drive positive stop end to be separated with slipping block.

Pass through above-mentioned technical proposal, after locating part enters clamping gap, locating part can be produced to spacing intermediate plate and squeezed Pressure, position limiting clamp sector-meeting are rotated around the axle center of fastening bolt, and at the same time, the driving tooth on spacing intermediate plate also can Move, driving tooth is meshed with driven tooth, and driving lever can be used for away from the end of driving tooth and contradict bar away from spacing The end at end offsets, and drives conflict bar to be rotated around pin joint, and contradicting the positive stop end of bar can offset with slipping block, with auxiliary Help the spacing of side core sliding block；When locating part slowly detaches from clamping gap, torsion spring can drive spacing intermediate plate to be moved, Driving tooth reversely engages with driven tooth, the end that can be used for and contradict bar away from the end of driving tooth and deviate from positive stop end of driving lever It is separated, back-moving spring can drive conflict bar to be rotated around pin joint, and contradicting the positive stop end of bar can be separated with slipping block, To release the position-limiting action to side core sliding block.

Preferably, the quantity of the spacing intermediate plate is two, and two spacing intermediate plates present lower distribution, the slave connecting rod group The quantity of part is also two, and the driving lever in slave connecting rod component is corresponded with spacing intermediate plate and set, the side core sliding block On slipping block be provided with two and be symmetrical set, the positive stop end in slave connecting rod component and slipping block, which correspond, to be set.

Pass through above-mentioned technical proposal, two spacing intermediate plates correspond to respectively drives driving lever, the positive stop end in slave connecting rod component It can be contradicted with corresponding slipping block, further to lift the limit effect of side core sliding block.

Preferably, the positive stop end is provided with wear-resistant layer.

Pass through above-mentioned technical proposal, when positive stop end offsets with sliding block, wear-resistant layer, can be straight between positive stop end and sliding block The abrasion-resistance of lifting positive stop end is connect, lifts the actual life of injection mold.

In summary, having the beneficial effect that in contrast to prior art of the invention：Side is set to take out position-limit mechanism in mould inside, And secondary limit assembly power resources can be with slipping block phase in the positive stop end in action caused by spacing intermediate plate, secondary limit assembly Support, both cooperate, and significantly lift the sliding stability of side core sliding block, and the whole service life of mould gets a promotion.

Brief description of the drawings

Fig. 1 is the internal cross section structural representation of embodiment one, the internal structure situation for emphasis displaying embodiment one；

Fig. 2 is the overlooking the structure diagram of embodiment one, the overall structure situation for emphasis displaying embodiment one；

Fig. 3 is the structural representation of embodiment two, and taking out the link position between position-limit mechanism and dynamic model for emphasis displaying side closes System；

Fig. 4 is the cross-sectional view of embodiment two, the internal structure situation for emphasis displaying embodiment two；

Fig. 5 is Fig. 4 A portions enlarged drawing；

Fig. 6 fiting relation figures between spacing clip assembly and driving lever, two spacing intermediate plates and corresponding active are shown for emphasis Connection matching relationship between bar.

Reference：1st, the first erecting bed；2nd, Angle Pin；3rd, the second erecting bed；4th, side core sliding block；41st, forming ends； 42nd, slipping block；5th, oblique guide hole；6th, main limiting section；61st, spacing clip assembly；611st, spacing intermediate plate；612nd, torsion spring；613rd, between clamping Gap；614th, limited block；615th, post is contradicted；7th, dynamic model；8th, pressing plate；9th, the first mounting groove；10th, chute；11st, the second mounting groove；12、 Secondary limiting section；121st, slave connecting rod component；1211st, driving lever；12111st, drive end；1212nd, bar is contradicted；12121st, positive stop end； 1213rd, back-moving spring；13rd, fastening bolt；14th, driving tooth；15th, driven tooth；16th, wear-resistant layer；17th, plastic products.

Embodiment

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

Embodiment one：

Position-limit mechanism is taken out in a kind of side, referring to Fig. 1, including the first erecting bed 1, the second erecting bed 3, the first erecting bed 1 and the second peace It can be separated from each other between dress platform 3 or close, Angle Pin 2 is connected with the first erecting bed 1, in the side of the second erecting bed 3 Upper sliding is connected with side core sliding block 4, side core sliding block 4 be provided with oblique guide hole 5, for the mounting hole of moulded plastic products 17 into Type end 41；When the first erecting bed 1 and the second erecting bed 3 it is close to each other or away from when, Angle Pin 2 plugs cooperation with oblique guide hole 5, To drive whole side core sliding block 4 to be slid back and forth along the second erecting bed 3.

Referring to Fig. 1 and Fig. 2, the side of forming ends 41 is provided with main limiting section 6 in side core sliding block 4, the main limit Position portion 6 includes being installed on the spacing clip assembly 61 of the second erecting bed 3, and the spacing clip assembly 61 includes two relatively and is stacked Spacing intermediate plate 611, torsion spring 612, fastening bolt 13, in the present embodiment, fastening bolt 13 is sequentially passed through in two spacing intermediate plates 611 first ends are simultaneously threadedly connected on the second erecting bed 3, clamping gap between the second end of two spacing intermediate plates 611 be present 613, torsion spring 612 is installed between two spacing intermediate plates 611, and drives the second end of two spacing intermediate plates 611 close to each other, is made The chucking power for clamping gap 613 is reduced in generation between obtaining two spacing intermediate plates 611, and limited block is provided with side core sliding block 4 614, when side core sliding block 4 moves to the main side of limiting section 6, limited block 614 can be progressed into clamping gap 613, limit Position intermediate plate 611 constantly can produce chucking power to limited block 614.

Contradict post 615 in addition, being provided with clamping gap 613, contradict post 615 and is shaped as cylindrical type, when for Limited block 614 is progressed into after clamping gap 613, and limited block 614 can offset with contradicting the excircle side wall of post 615, and Reach final spacing.

Actual use situation：

When being separated from each other between the first erecting bed 1 and the second erecting bed 3, Angle Pin 2 can be extracted out from oblique guide hole 5, forming ends 41 separate with corresponding molded plastic products 17, and side core sliding block 4 can move toward the main position of limiting section 6, limited block 614 It can enter in clamping gap 613, in the process, torsion spring 612 can produce driving force, spacing intermediate plate 611 to spacing intermediate plate 611 Certain chucking power can be produced to limited block 614, limited block 614 finally can lean with contradicting post 615, with to side core sliding block 4 progress are final spacing；

When close to each other between the first erecting bed 1 and the second erecting bed 3, Angle Pin 2 can be reinserted into oblique guide hole 5, whole Individual side core sliding block 4 can be toward being moved away from the main direction of limiting section 6, and limited block 614 can be separated first with contradicting post 615, spacing Block 614 also can be skidded off gradually from clamping gap 613, finally be separated with main limiting section 6.

Embodiment two：

A kind of injection mold, position-limit mechanism is taken out referring to the side in Fig. 1 and Fig. 3, including dynamic model 7, cover half, such as embodiment one, it is real It is dynamic model 7 to apply the second erecting bed 3 in example one, and the first erecting bed 1 is then cover half, and side is taken out position-limit mechanism and is installed on dynamic model 7.

Specifically, referring to Fig. 3 and Fig. 5, the first mounting groove 9, the second mounting groove 11 are provided with the die joint of dynamic model 7 Cell wall on pressing plate 8 is installed, chute 10 is formed between the bottom land of 8 and first mounting groove of pressing plate 9, side core sliding block 4, which is provided with, to be slided Block 42 is moved, when side core sliding block 4 is located in the first mounting groove 9, slipping block 42 is engaged with chute 10, whole side core sliding block 4 can carry out sliding movement along the first mounting groove 9.

Referring to Fig. 4 and Fig. 5, the second mounting groove 11 is also provided with dynamic model 7, main limiting section 6 is installed on the second installation In groove 11, when limited block 614 offsets with contradicting post 615, the opening angle between two adjacent spacing intermediate plates 611 is maximum, with This simultaneously, two spacing intermediate plates 611 can and two relative cell walls of the second mounting groove 11 lean, to lift spacing clip assembly 61 To the spacing stability of side core sliding block 4.

In addition, being additionally provided with secondary limiting section 12 on cover half, secondary limiting section 12 is located at spacing clip assembly 61 and deviates from side core The side of sliding block 4, secondary limited block 614 include slave connecting rod component 121, and in the present embodiment, the quantity of slave connecting rod component 121 is two It is individual, and be symmetric using the glide direction of side core block as symmetry axis.

Referring to Fig. 5 and Fig. 6, two spacing intermediate plates 611 in spacing clip assembly 61 are in distribution up and down, each spacing intermediate plate 611 are provided with driving tooth 14 away from the end of side core sliding block 4, and each slave connecting rod component 121 includes driving lever 1211 and supported Feeler lever 1212, drive end 12111 is provided with driving lever 1211, the drive end 12111, which is provided with, to be used to nibble with the phase of driving tooth 14 The driven tooth 15 of conjunction, contradict the middle part of bar 1212 and be then articulated with dynamic model 7, positive stop end 12121 deviates from driving lever positioned at bar 1212 is contradicted 1211 end, and positive stop end 12121 is provided with wear-resistant layer 16, driving lever 1211 can be used for and support away from the end of driving tooth 14 Feeler lever 1212 offsets away from the end of positive stop end 12121, and drives conflict bar 1212 to be rotated around pin joint, in positive stop end Back-moving spring 1213 is provided with 12121, is carried on the back when driving lever 1211 can be used for and contradict bar 1212 away from the end of driving tooth 14 When end from positive stop end 12121 is separated, back-moving spring 1213 can be used to drive positive stop end 12121 and the corresponding phase of slipping block 42 Depart from.

Actual use process：

When dynamic model 7 and cover half are in matched moulds state, Angle Pin 2 is located inside oblique guide hole 5, and forming ends 41 is used for plastic products 17 mounting holes carry out injection molding, and limited block 614 departs from clamping gap 613, the clamping between two spacing intermediate plates 611 Gap 613 is smaller, and at the same time, driving lever 1211 deviates from positive stop end away from the end of drive end 12111 with contradicting bar 1212 12121 end separation, back-moving spring 1213 acts on positive stop end 12121, and wear-resistant layer 16 is separated with slipping block 42；

When dynamic model 7 and cover half, which are in, divides mould state, Angle Pin 2 can gradually detach from oblique guide hole 5, and side core sliding block 4 can be past Moved close to the main direction of limiting section 6, limited block 614 can progress into clamping gap 613, and torsion spring 612 acts on limit Position intermediate plate 611, two spacing intermediate plates 611 can produce chucking power to limited block 614, and final limited block 614 is with contradicting the phase of post 615 Support, the whole sliding of side core sliding block 4 stops.

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. position-limit mechanism is taken out in a kind of side, including the first erecting bed (1), be connected to the first erecting bed (1) Angle Pin (2), second Erecting bed (3), sliding are connected to the side core sliding block (4) of the second erecting bed (3), and the side core sliding block (4) is provided with and tiltedly led Hole (5), the forming ends (41) for moulded plastic products (17) mounting hole, first erecting bed (1) and the second erecting bed (3) Between can be separated from each other or close, between the Angle Pin (2) and oblique guide hole (5) grafting coordinate to drive side core sliding block (4) Slid back and forth, it is characterized in that：Also include the main limiting section (6) for deviating from forming ends (41) side positioned at side core sliding block (4), The main limiting section (6) includes being installed on the spacing clip assembly (61) of the second erecting bed (3), and the spacing clip assembly (61) includes At least two spacing intermediate plates (611), torsion spring (612), clamping gap (613), institute between two neighboring spacing intermediate plate (611) be present The limited block (614) being provided with side core sliding block (4) for entering clamping gap (613) is stated, the torsion spring (612) forces in Spacing intermediate plate (611) and spacing intermediate plate (611) produce chucking power to limited block (614).

2. position-limit mechanism is taken out in side according to claim 1, it is characterized in that：It is provided with and is used in clamping gap (613) The conflict post (615) to be offseted with limited block (614).

3. a kind of injection mold, including dynamic model (7) and cover half, it is characterized in that：Also include pressing plate (8), such as claim 1 ~ 2 times Position-limit mechanism is taken out in side described in meaning one, and the dynamic model (7) is provided with the first mounting groove (9), and the pressing plate (8) is installed on dynamic model (7) chute (10) and between the first mounting groove (9) bottom land is formed, the side core sliding block (4) is provided with slipping block (42), institute State chute (10) and enter line slip for side core sliding block (4), second erecting bed (3) is the dynamic model (7).

4. injection mold according to claim 3, it is characterized in that：The dynamic model (7) is provided with the second mounting groove (11), institute State main limiting section (6) to be installed in the second mounting groove (11), cell wall and spacing intermediate plate (611) phase of second mounting groove (11) Support, and for limiting the limit opening angle of two adjacent position limiting clamp pieces (611).

5. injection mold according to claim 3, it is characterized in that：Also include secondary limiting section (12), the secondary limiting section (12) slave connecting rod component (121) is included, the slave connecting rod component (121) is provided with drive end (12111) and positive stop end (12121), as limited block (614) is gradually pressed into clamping gap (613), the spacing intermediate plate (611) is corresponding to act on driving Hold (12111), and positive stop end (12121) is offseted with slipping block (42).

6. injection mold according to claim 5, it is characterized in that：The spacing intermediate plate (611) passes through fastening bolt (13) It is articulated with dynamic model (7), spacing intermediate plate (611) end is provided with driving tooth (14), and the slave connecting rod component (121) includes master Lever (1211), bar (1212), back-moving spring (1213) being contradicted, the drive end (12111) is located at driving lever (1211) end, The drive end (12111) is provided with the driven tooth (15) for being used for being meshed with driving tooth (14)；

Dynamic model (7) is articulated with the middle part of the conflict bar (1212), the positive stop end (12121) is positioned at the end for contradicting bar (1212) Portion, the driving lever (1211) can be used for and contradict bar (1212) away from the end of driving tooth (14) and deviate from positive stop end (12121) End offset, and drive contradict bar (1212) positive stop end (12121) offseted with slipping block (42)；

The back-moving spring (1213) is used to drive positive stop end (12121) to be separated with slipping block (42).

7. injection mold according to claim 5, it is characterized in that：The quantity of the spacing intermediate plate (611) is two, and two Individual spacing intermediate plate (611) is in distribution up and down, and the quantity of the slave connecting rod component (121) is also two, and slave connecting rod component (121) Interior driving lever (1211) is corresponded with spacing intermediate plate (611) and set, and the slipping block (42) on the side core sliding block (4) is set It is equipped with two and is symmetrical set, the positive stop end (12121) in slave connecting rod component (121) is corresponded with slipping block (42) and set Put.

8. injection mold according to claim 7, it is characterized in that：The positive stop end (12121) is provided with wear-resistant layer (16).