CN209971403U - Demoulding mechanism of three-color large-inner-drawing mould - Google Patents
Demoulding mechanism of three-color large-inner-drawing mould Download PDFInfo
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- CN209971403U CN209971403U CN201920516886.3U CN201920516886U CN209971403U CN 209971403 U CN209971403 U CN 209971403U CN 201920516886 U CN201920516886 U CN 201920516886U CN 209971403 U CN209971403 U CN 209971403U
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Abstract
The utility model provides a demoulding mechanism of big interior drawing of three-colour mould belongs to mould technical field. It has solved the technical problem that easily causes the product damage when current automobile-used lamp shade mould drawing of patterns. The demoulding mechanism of the three-color large internal drawing mould comprises a movable mould plate with a movable mould cavity and a bottom plate attached to the movable mould plate, wherein the bottom plate can move relative to the movable mould plate to enable the bottom plate to be far away from the movable mould plate, the movable mould main insert is arranged in the movable mould cavity, an avoiding through hole is formed in the movable mould main insert, an internal drawing insert is arranged in the avoiding through hole and penetrates through the movable mould plate to be fixedly connected with the bottom plate, the outer side surface of the internal drawing insert and the outer side surface of the movable mould main insert form a product forming surface together when the bottom plate is attached to the movable mould plate, and a material ejecting part capable of moving downwards in an inclined mode and acting on the edge of a product on the outer side surface of the movable. This demoulding mechanism of big interior drawing of mould of three-colour can effectively reduce the product damage when the drawing of patterns.
Description
Technical Field
The utility model belongs to the technical field of the mould, a drawing of patterns mechanism of mould in three-colour is greatly related to.
Background
For the automobile headlamp mask, certain difficulty is caused when the molding is finished and the die sinking is carried out, the reason is that the side position of the automobile headlamp mask is provided with the inverted buckle, the inverted buckle and the moving die are difficult to separate during the die sinking, so that the inverted buckle is required to be manually opened and taken out during the die sinking, the efficiency is low, and the manual defect is wasted.
Chinese patent with grant publication number CN202702456U discloses an interior pull-out mould, which comprises a fixed mould and a first movable mould, the fixed mould and the first movable mould are provided with mould cavities that are buckled with each other, and the mould is characterized in that a pull slider is arranged in the first movable mould below the mould cavities, a slide is arranged on the pull slider, a second movable mould is connected below the first movable mould, a spring is arranged between the second movable mould and the first movable mould, a pull rod is arranged obliquely above the second movable mould, and the pull rod extends into the slide in the pull slider.
The curved surface structure of lamp shade is complicated, and it has more interior knot molding and the product is the cover form and has certain degree of depth, and foretell demoulding mechanism is outside jack-up from the inner wall of injection moulding's product, and the part of this in-process lamp shade is because of interior knot structure limiting displacement easily causes the interference again, and certain deformation can take place for the lamp shade during the drawing of patterns, consequently the phenomenon that the product damaged often can appear.
The injection molding of the lampshade has high requirements on gap control, and the conventional selection of technicians in the field for ensuring the product quality of the lampshade is to realize the demolding of the product by independently pulling cores for small-sized inner buckle inserts, but the integral structure of the mode is very complex under the condition of multiple inner buckles, and the influence on the product is easily caused by interference among core pulling structures.
Disclosure of Invention
The utility model provides a demoulding mechanism of three-color big internal drawing mould, which aims to solve the technical problem of how to avoid damaging the product during demoulding.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a demoulding mechanism of mould is taken out in big of three-colour, includes the movable mould board that has the movable mould chamber and pastes the bottom plate that leans on with the movable mould board, the bottom plate can also move relative to the movable mould board and make the bottom plate keep away from the movable mould board is equipped with movable mould main mold insert in the movable mould intracavity, its characterized in that, seted up on the movable mould main mold insert and dodged the through-hole, dodge be equipped with in the through-hole take out the mold insert and pass the movable mould board and link firmly mutually with the bottom plate, the lateral surface of taking out the mold insert in when the bottom plate pastes with the movable mould board and lean on forms the product profile jointly with the lateral surface of movable mould main mold insert, the top of taking out the mold.
A movable mold main insert is arranged in a movable mold cavity on the movable mold plate, the movable mold main insert is used for being matched with the fixed mold plate to form an injection mold cavity of the car lamp product, and the bottom plate can be close to and separated from the movable mold plate and simultaneously realize the resetting and demolding operation of the car lamp product in the mold. The movable mold main insert is provided with the avoidance through hole, the internally-drawn insert which forms a product molding surface together with the outer side surface of the movable mold main insert is arranged in the avoidance through hole, and the internally-drawn insert penetrates through the movable mold plate and is fixedly connected with the bottom plate, so that the movable mold main insert and the internally-drawn insert are separately arranged, after the movable mold plate is opened, the bottom plate drives the internally-drawn insert to be far away relative to the movable mold plate, the lampshade is supported by the movable mold main insert to keep the original position, an avoidance gap is formed between the internally-drawn insert and the molded lampshade, and the ejecting part can extend into the avoidance gap and is abutted against the edge of the lampshade to be outwards lifted without physical interference when moving obliquely downwards, so that damage to the lampshade product caused by rigid extrusion is avoided; in addition, the molding surface part of the internal drawing insert is separated from the lampshade product firstly, the attachment area of the lampshade product is reduced, the overall attachment resistance is smaller when the ejector piece lifts the lampshade for demolding, the ejector piece acts on the edge of the lampshade positioned on one side of the internal drawing insert, and a lever taking the other side edge of the lampshade as a fulcrum is formed during demolding, so that the demolding of the lampshade and the movable mold main insert is smoother, and the separation damage is further reduced by sequentially demolding.
In the demolding mechanism of the three-color large inner-drawing mold, the movable mold plate is provided with a guide hole opposite to the avoiding through hole, and the inner-drawing insert penetrates through the guide hole and is fixedly connected with the bottom plate. The guide hole is formed in the movable template and is opposite to the avoiding through hole, so that the inner-drawing insert can obtain the guide effect of the guide hole in the process of relative movement with the movable template, and the movement track of the inner-drawing insert relative to the movable template is accurate, so that the forming precision of a lampshade product is ensured, and the demolding position is ensured to be stable and the product is prevented from being damaged.
In the demoulding mechanism of the three-color large internal drawing mould, the material ejecting part comprises an inclined ejector rod which is obliquely arranged and an ejecting block which is fixedly connected to the lower end of the inclined ejector rod, and the upper end of the inclined ejector rod is connected with a driving mechanism which can drive the inclined ejector rod to axially extend and retract. Through setting up the ejector member for oblique ejector pin and the liftout piece that links firmly mutually to set up the actuating mechanism who drives oblique ejector pin axial motion, the effort accessible of drawing of patterns like this oblique ejector pin transmits to the liftout piece, can realize arranging actuating mechanism in the mould outside, the installation of being convenient for is maintained.
In the demolding mechanism of the three-color large inner-drawing mold, the outer side surface of the inner-drawing insert protrudes out of the outer port of the avoiding through hole, the ejector block is provided with a flaky lip, and the lip can move to the outer port of the avoiding through hole and contact with the inner wall of the edge of a product after the ejector block moves obliquely downwards. The outer port edge of the through-hole is avoided through the lateral surface protrusion of taking out the mold insert in setting up, can stably produce the clearance of dodging to the outer open-ended when guaranteeing the lamp shade edge after the shaping like this with take out the mold insert separation in, through having the lip that is the slice on setting up the liftout piece, the liftout piece inserts smoothly when guaranteeing the drawing of patterns like this and dodges in the clearance and guarantee with the contact effect of product edge inner wall, avoid liftout piece direct action to cause the destruction at the lamp shade outer wall, improve drawing of patterns stability and avoid the product damage.
In the demoulding mechanism of the three-color large internal drawing mould, the material pushing block is made of rubber materials. Make for rubber materials through setting up the liftout piece, like this when drawing of patterns effort produces undulantly, the liftout piece can exert the cushioning effect and avoid direct to the lamp shade impact cause the harm, and in addition, soft liftout piece is softer with the lamp shade contact, reduces drawing of patterns mar damage.
In the demolding mechanism of the three-color large-inner-drawing mold, the inner-drawing insert comprises a guide part and a head part connected to one end of the guide part, two first step surfaces respectively located on two sides of the head part are formed at the joint of the head part and the guide part, and second step surfaces which are abutted against the two first step surfaces in a one-to-one correspondence mode are arranged on the hole wall of the avoiding through hole. The inner drawing insert comprises a guide part and a head part connected to one end of the guide part, two first step surfaces are formed at the joint of the head part and the guide part, and second step surfaces which are correspondingly abutted against the two first step surfaces one by one are arranged on the hole wall of the avoiding through hole, so that the inner drawing insert is accurately matched with the movable mold main insert when the first step surfaces and the second step surfaces are attached with ribs, the high precision of the circumferential and axial working positions of the inner drawing insert is ensured by matching with the guide hole, and the forming surface precision of the lampshade is ensured; set up two first step faces and be located the head both sides respectively, guarantee the balanced effect of atress of interior drawer mold insert, avoid the unbalance loading, further ensure the shaping precision.
In the demolding mechanism of the three-color large internal drawing mold, the outer wall of the guide part is provided with a plurality of positioning grooves, and each positioning groove is internally provided with a wear-resistant sheet which is attached to and matched with the hole wall of the guide hole. Through setting up a plurality of positioning groove at the outer wall of guide part, all set up the wear pad that leans on with the pore wall of guiding hole in positioning groove, the wear pad can last to prop tightly between the pore wall of guide part in the guiding hole, reduces the direct wearing and tearing between guide part and the guiding hole like this, guarantee work accuracy and life.
In the demolding mechanism of the three-color large-inner-drawing mold, the movable mold main insert is provided with a positioning groove at the upper part of the avoiding through hole, the ejector block is positioned in the positioning groove, and the shape of the positioning groove is matched with that of the ejector block. Through set up the constant head tank that holds cooperation ejector piece on movable mould owner mold insert, the ejector piece can be accomodate in the constant head tank at the non-working period like this, avoids causing the interference to mould work.
In the demoulding mechanism of the three-color large internal drawing mould, the movable mould plate is provided with the guide inclined holes with two ends running through, the groove bottom of the positioning groove is provided with the via holes coaxially arranged with the guide inclined holes, the inclined ejector rod is arranged in the guide inclined holes in a penetrating manner and forms guide cooperation with the guide inclined holes, and the lower end of the inclined ejector rod is fixedly connected with the ejector block through the via holes. Through set up the direction inclined hole that runs through on the movable mould board to set up the coaxial axle center of via hole and direction inclined hole at the positioning tank bottom, make the guide of oblique ejector pin cooperate in the direction inclined hole, guarantee the guide block movement track accuracy like this, avoid appearing being difficult to insert to dodge the condition in clearance and cause the lamp shade to damage.
In the demoulding mechanism of the three-color large internal drawing mould, the driving mechanism comprises an ejector plate and two driving pieces fixedly connected to the outer wall of the movable mould plate, piston rods of the two driving pieces are parallel to each other with oblique ejector rods, the piston rods of the two driving pieces are respectively connected with two ends of the ejector plate, and the upper end of the oblique ejector rod is connected with the ejector plate. Through setting up actuating mechanism and including the liftout plate and link firmly two driving pieces on the movable mould board outer wall, make the piston rod of driving piece all be parallel to each other with oblique ejector pin, be convenient for like this maintain the driving piece and guarantee that the direction of motion of oblique ejector pin is stable accurate.
Compared with the prior art, the utility model has the advantages as follows:
1. this demoulding mechanism of big draw-in mould of three-colour is through setting up on movable mould main insert and dodging the through-hole, will form the interior mold insert that takes out of product profile jointly with the lateral surface of movable mould main insert and set up in dodging the through-hole, and make interior mold insert that takes out pass the movable mould board and link firmly with the bottom plate, movable mould main insert and interior mold insert components of a whole that can function independently set up like this, the bottom plate drives interior mold insert and keeps away from for the movable mould board after the movable mould board is opened the shelves, the lamp shade is supported by movable mould main insert and keeps the normal position this moment, interior mold insert that takes out can form between the lamp shade with the fashioned lamp shade and dodges the clearance, can stretch into when the liftout piece moves down to one side in dodging the clearance and lean on outwards opening.
2. The demoulding mechanism of the three-color large-inner-drawing mould comprises a guide part and a head part connected to one end of the guide part, wherein two first step surfaces are formed at the joint of the head part and the guide part, and second step surfaces which are correspondingly abutted against the two first step surfaces one by one are arranged on the hole wall of an avoiding through hole, so that the inner-drawing insert is accurately matched with a movable mould main insert when the first step surfaces and the second step surfaces are adhered with ribs, the high precision of the circumferential and axial working positions of the inner-drawing insert is ensured by matching with the guide hole, and the forming surface precision of a lampshade is ensured; set up two first step faces and be located the head both sides respectively, guarantee the balanced effect of atress of interior drawer mold insert, avoid the unbalance loading, further ensure the shaping precision.
Drawings
Fig. 1 is a schematic perspective view of the three-color large-inner-drawing die before the demoulding mechanism of the three-color large-inner-drawing die performs demoulding operation.
Fig. 2 is a schematic perspective view of the demoulding mechanism of the three-color large internal drawing die during demoulding.
Fig. 3 is a schematic cross-sectional structure of the three-color large-inner-drawing die before the demoulding mechanism performs demoulding operation.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic cross-sectional structure diagram of the demoulding mechanism of the three-color large internal drawing mould during demoulding operation.
Fig. 6 is an exploded view of the demolding mechanism of the three-color large-inner-drawing mold.
Fig. 7 is a schematic perspective view of the drawing-in insert.
FIG. 8 is a schematic perspective view of a movable mold main insert.
FIG. 9 is a schematic perspective view of a movable mold main insert at another angle.
In the figure, 1, a movable template; 11. a movable model cavity; 12. a guide hole; 13. a guide inclined hole;
2. a base plate;
3. a movable mold main insert; 31. avoiding the through hole; 32. a second step surface; 33. positioning a groove; 34. a via hole;
4. internally drawing the insert; 41. a guide portion; 411. a positioning groove; 42. a head portion; 43. a first step surface;
5. a material ejection part; 51. an oblique ejector rod; 52. a material ejection block; 521. a lip portion; 53. a drive mechanism; 531. ejecting the plate; 532. a drive member;
6. a wear-resistant sheet.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-6, the demolding mechanism of the three-color large-inner-drawing mold comprises a movable mold plate 1 with a movable mold cavity 11 and a bottom plate 2 attached to the movable mold plate 1, the bottom plate 2 can move relative to the movable mold plate 1 to enable the bottom plate 2 to be far away from the movable mold plate 1, a movable mold main insert 3 is arranged in the movable mold cavity 11, an avoiding through hole 31 is formed in the movable mold main insert 3, an inner-drawing insert 4 is arranged in the avoiding through hole 31, the inner-drawing insert 4 penetrates through the movable mold plate 1 to be fixedly connected with the bottom plate 2, the outer side surface of the inner-drawing insert 4 and the outer side surface of the movable mold main insert 3 form a product molding surface together when the bottom plate 2 is attached to the movable mold plate 1, and a material ejecting member 5 capable of moving obliquely downwards and acting on the edge of a. A movable mold main insert 3 is arranged in a movable mold cavity 11 on the movable mold plate 1, the movable mold main insert 3 is used for being matched with the fixed mold plate to form an injection mold cavity of a car lamp product, and the bottom plate 2 can be close to and separated from the movable mold plate 1 and simultaneously realize resetting and demolding operations of the car lamp product in the mold. The movable mold main insert 3 is provided with the avoidance through hole 31, the internally-drawn insert 4 which forms a product molding surface together with the outer side surface of the movable mold main insert 3 is arranged in the avoidance through hole 31, and the internally-drawn insert 4 penetrates through the movable mold plate 1 to be fixedly connected with the bottom plate 2, so that the movable mold main insert 3 and the internally-drawn insert 4 are separately arranged, when the movable mold plate 1 is opened, the bottom plate 2 drives the internally-drawn insert 4 to be far away relative to the movable mold plate 1, the lampshade is supported by the movable mold main insert 3 to keep the original position at the moment, an avoidance gap is formed between the internally-drawn insert 4 and the molded lampshade, and when the ejecting member moves obliquely downwards, the ejecting member can extend into the avoidance gap and abut against the edge of the lampshade to be lifted outwards without physical interference, so that damage to the lampshade product; in addition, the molding surface part of the inner drawing insert 4 is firstly separated from the lampshade product, the attachment area of the lampshade product is reduced, the integral attachment resistance is smaller when the ejector lifts the lampshade for demolding, the ejector acts on the edge of the lampshade positioned on one side of the inner drawing insert 4, a lever taking the other side edge of the lampshade as a fulcrum is formed during demolding, the lampshade and the movable mold main insert 3 are more smoothly demolded, and the separation damage is further reduced by sequentially demolding. Further, the movable template 1 is provided with a guide hole 12 opposite to the avoiding through hole 31, and the internally-drawn insert 4 penetrates through the guide hole 12 and is fixedly connected with the bottom plate 2. Through set up guiding hole 12 on movable mould board 1 and dodge the through-hole 31 relatively, take out mold insert 4 like this and can obtain the guide effect of guiding hole 12 in the in-process with movable mould board 1 relative motion, guarantee its movement track accuracy relative to movable mould board 1 to guarantee the shaping precision of lamp shade product, and guarantee that the drawing of patterns position is stable and avoid causing the product to damage.
As shown in fig. 3-6, the ejector 5 includes an oblique ejector rod 51 and an ejector block 52 fixed to the lower end of the oblique ejector rod 51, and the upper end of the oblique ejector rod 51 is connected to a driving mechanism 53 capable of driving the oblique ejector rod 51 to axially extend and retract. Through setting up ejector piece 5 for oblique ejector pin 51 and liftout piece 52 that links firmly mutually to set up the actuating mechanism 53 that drives oblique ejector pin 51 axial motion, the effort accessible of drawing of patterns like this oblique ejector pin 51 transmits to liftout piece 52, can realize arranging actuating mechanism 53 in the mould outside, the installation of being convenient for is maintained. Further, the outer side surface of the inward drawing insert 4 protrudes out of the outer port of the avoiding through hole 31, the ejector block 52 is provided with a sheet-shaped lip 521, and after the ejector block 52 moves obliquely downward, the lip 521 can move to the outer port of the avoiding through hole 31 and contact with the inner wall of the edge of the product. The outer port edge of the through hole 31 is avoided through the protrusion of the outer side surface of the inner drawing insert 4, so that the avoiding gap of the outer opening can be stably generated when the molded lampshade edge is separated from the inner drawing insert 4, the flaky lip 521 is arranged on the ejector block 52, so that the ejector block 52 can be smoothly inserted into the avoiding gap and the contact effect with the inner wall of the edge of the product can be ensured when the demolding is carried out, the direct action of the ejector block 52 on the outer wall of the lampshade is avoided, the demolding stability is improved, and the product damage is avoided. Preferably, the ejector block 52 is made of a rubber material. By arranging the ejector block 52 to be made of rubber materials, the ejector block 52 can exert a buffering effect to avoid directly impacting the lampshade to cause damage when the demolding acting force fluctuates, and in addition, the soft ejector block 52 is softer in contact with the lampshade, so that the damage of demolding scratches is reduced. A positioning groove 33 is formed in the movable mold main insert 3 and located at the upper part of the avoiding through hole 31, the ejecting block 52 is located in the positioning groove 33, and the shape of the positioning groove 33 is matched with that of the ejecting block 52. Through set up the constant head tank 33 who holds cooperation ejector piece 52 on movable mould owner mold insert 3, ejector piece 52 can be accomodate in constant head tank 33 at the non-working period like this, avoids causing the interference to the mould work. The movable mould plate 1 is provided with a guide inclined hole 13 with two ends penetrating through, the bottom of the positioning groove 33 is provided with a through hole 34 coaxially arranged with the guide inclined hole 13, an inclined ejector rod 51 penetrates through the guide inclined hole 13 and forms guide fit with the guide inclined hole 13, and the lower end of the inclined ejector rod 51 penetrates through the through hole 34 to be fixedly connected with the ejector block 52. Through set up the direction inclined hole 13 that runs through on movable mould board 1 to set up via hole 34 and the same axle center of direction inclined hole 13 in constant head tank 33 bottom, make the guide of oblique ejector pin 51 cooperate in direction inclined hole 13, guarantee the guide block movement track accuracy like this, avoid appearing being difficult to insert the condition of dodging the clearance and cause the lamp shade to damage. The driving mechanism 53 comprises an ejector plate 531 and two driving pieces 532 fixedly connected to the outer wall of the movable die plate 1, the driving pieces 532 are piston cylinders, piston rods of the two driving pieces 532 are parallel to the inclined ejector rod 51, the piston rods of the two driving pieces 532 are connected with two ends of the ejector plate 531 respectively, and the upper end of the inclined ejector rod 51 is connected with the ejector plate 531. Through setting up actuating mechanism 53 and including liftout plate 531 and two driving pieces 532 that link firmly on movable mould board 1 outer wall, make the piston rod of driving piece 532 all parallel to each other with oblique ejector pin 51, be convenient for like this maintain driving piece 532 and guarantee that the direction of motion of oblique ejector pin 51 is stable accurate.
As shown in fig. 3 to 9, the internally-drawn insert 4 includes a guiding portion 41 and a head portion 42 connected to one end of the guiding portion 41, two first step surfaces 43 respectively located at two sides of the head portion 42 are formed at a connection portion of the head portion 42 and the guiding portion 41, and second step surfaces 32 abutting against the two first step surfaces 43 in a one-to-one correspondence manner are provided on a hole wall of the avoiding through hole 31. By arranging the inner drawing insert 4 to comprise the guide part 41 and the head part 42 connected to one end of the guide part 41, two first step surfaces 43 are formed at the joint of the head part 42 and the guide part 41, and the hole wall of the avoiding through hole 31 is provided with the second step surfaces 32 which are correspondingly abutted against the two first step surfaces 43 one by one, so that the inner drawing insert 4 is accurately matched with the movable mold main insert 3 when the first step surfaces 43 and the second step surfaces 32 are attached with ribs, the high precision of the circumferential and axial working positions of the inner drawing insert 4 is ensured by matching with the guide hole 12, and the forming surface precision of the lampshade is ensured; two first step surfaces 43 are arranged on two sides of the head 42 respectively, so that the stress balance effect of the inner drawing insert 4 is guaranteed, the unbalance loading is avoided, and the forming precision is further guaranteed. A plurality of positioning grooves 411 are formed in the outer wall of the guide portion 41, and a wear-resistant plate 6 which is attached to and matched with the hole wall of the guide hole 12 is arranged in each positioning groove 411. Through set up a plurality of positioning groove 411 at the outer wall of guide part 41, all set up the wear pad 6 that leans on with the pore wall of guiding hole 12 in positioning groove 411, wear pad 6 can continuously prop tightly between the pore wall of guide part 41 in guiding hole 12 at guide part 41, reduces the wearing and tearing between guide part 41 and the guiding hole 12 like this, guarantee work accuracy and life.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A demoulding mechanism of a three-color large-inner-drawing mould comprises a movable mould plate (1) with a movable mould cavity (11) and a bottom plate (2) attached to the movable mould plate (1), the bottom plate (2) can also move relative to the movable template (1) to enable the bottom plate (2) to be far away from the movable template (1), a movable mold main insert (3) is arranged in a movable mold cavity (11), it is characterized in that an avoidance through hole (31) is arranged on the movable mold main insert (3), an internal drawing insert (4) is arranged in the avoiding through hole (31), the internal drawing insert (4) penetrates through the movable template (1) and is fixedly connected with the bottom plate (2), when the bottom plate (2) is attached to the movable template (1), the outer side surface of the inner drawing insert (4) and the outer side surface of the movable mold main insert (3) form a product molding surface together, and a material ejecting part (5) which can move downwards in an inclined mode and acts on the edge of the product to eject the product on the outer side surface of the movable mold main insert (3) is arranged above the inner drawing insert (4).
2. The demolding mechanism of the three-color large-inner-drawing mold according to claim 1, wherein the movable mold plate (1) is provided with a guide hole (12) opposite to the avoiding through hole (31), and the inner-drawing insert (4) penetrates through the guide hole (12) to be fixedly connected with the bottom plate (2).
3. The demolding mechanism of the three-color large-inner-drawing mold according to claim 1, wherein the ejector member (5) comprises an oblique ejector rod (51) arranged obliquely and an ejector block (52) fixedly connected to the lower end of the oblique ejector rod (51), and the upper end of the oblique ejector rod (51) is connected with a driving mechanism (53) capable of driving the oblique ejector rod (51) to axially extend and retract.
4. The demolding mechanism of the three-color large-inner-drawing mold according to claim 3, wherein the outer side surface of the inner-drawing insert (4) protrudes out of the outer port of the avoiding through hole (31), the ejector block (52) is provided with a sheet-shaped lip portion (521), and after the ejector block (52) moves obliquely downwards, the lip portion (521) can move to the outer port of the avoiding through hole (31) and contact with the inner wall of the edge of a product.
5. The demolding mechanism of a three-color large-inner-drawing mold as claimed in claim 4, wherein the ejector block (52) is made of a rubber material.
6. The demolding mechanism of the three-color large-inner-drawing mold according to claim 1, 2, 3, 4 or 5, wherein the inner-drawing insert (4) comprises a guide part (41) and a head part (42) connected to one end of the guide part (41), two first step surfaces (43) respectively located on two sides of the head part (42) are formed at the connection position of the head part (42) and the guide part (41), and second step surfaces (32) which are abutted against the two first step surfaces (43) in a one-to-one correspondence mode are arranged on the hole wall of the avoiding through hole (31).
7. The demolding mechanism of the three-color large-inner-drawing mold according to claim 6, wherein a plurality of positioning grooves (411) are formed in the outer wall of the guide part (41), and a wear-resistant sheet (6) which is in close fit with the hole wall of the guide hole (12) is arranged in each positioning groove (411).
8. The demolding mechanism of the three-color large-inner-drawing mold according to claim 3, 4 or 5, wherein a positioning groove (33) is formed in the movable mold main insert (3) and located at the upper part of the avoiding through hole (31), the ejector block (52) is located in the positioning groove (33), and the shape of the positioning groove (33) is matched with the shape of the ejector block (52).
9. The demolding mechanism of the three-color large-inner-drawing mold according to claim 8, wherein the movable mold plate (1) is provided with a guide inclined hole (13) with two ends penetrating therethrough, the bottom of the positioning groove (33) is provided with a through hole (34) coaxially arranged with the guide inclined hole (13), the inclined ejector rod (51) penetrates through the guide inclined hole (13) and forms guide fit with the guide inclined hole (13), and the lower end of the inclined ejector rod (51) penetrates through the through hole (34) to be fixedly connected with the ejector block (52).
10. The demolding mechanism of the three-color large-inner-drawing mold as claimed in claim 8, wherein the driving mechanism (53) comprises an ejector plate (531) and two driving members (532) fixedly connected to the outer wall of the movable mold plate (1), piston rods of the two driving members (532) are parallel to the lifter rod (51), the piston rods of the two driving members (532) are respectively connected with two ends of the ejector plate (531), and the upper end of the lifter rod (51) is connected with the ejector plate (531).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516886.3U CN209971403U (en) | 2019-04-16 | 2019-04-16 | Demoulding mechanism of three-color large-inner-drawing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516886.3U CN209971403U (en) | 2019-04-16 | 2019-04-16 | Demoulding mechanism of three-color large-inner-drawing mould |
Publications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927242A (en) * | 2019-04-16 | 2019-06-25 | 台州职业技术学院 | A kind of demoulding mechanism of polychrome mold |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927242A (en) * | 2019-04-16 | 2019-06-25 | 台州职业技术学院 | A kind of demoulding mechanism of polychrome mold |
| CN109927242B (en) * | 2019-04-16 | 2024-06-18 | 台州职业技术学院 | Demoulding mechanism of multicolor mould |
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