CN114474609A - Filter seat injection mold - Google Patents

Abstract

The invention discloses a filter base injection mold, which belongs to the field of mold design and comprises a fixed mold plate, a movable mold plate, a push plate and ejector rods arranged on the push plate, wherein side drawing mechanisms are arranged on the left side and the right side of the side surface, close to the fixed mold plate, of the movable mold plate, the side drawing mechanisms comprise slide blocks connected to the movable mold plate in a sliding mode and inclined guide pillars obliquely arranged on the fixed mold plate, inclined guide holes matched with the inclined guide pillars are formed in the slide blocks, a mold core used for forming a filter base is arranged on the movable mold plate, lower insert rods are arranged on the mold core, a left mold cavity is formed in the slide block on the left side, a left insert rod is arranged in the slide block on the right side, a right insert rod is arranged in the right mold cavity, an upper insert rod is arranged on the fixed mold plate, the movable mold plate, the left slide block and the slide block on the right side form a vertically-arranged filter base mold cavity, and the ejector rods penetrate through the mold core. The utility model provides a strain seat injection mould can more conveniently carry out the drawing of patterns at the in-process of moulding plastics, and the product of producing is more pleasing to the eye.

Description

Filter seat injection mold

Technical Field

The invention relates to the technical field of mold manufacturing, in particular to a filter base injection mold.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like. Stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product.

As shown in figure 1, the plastic part of the filter base comprises a base, a vertical pipe inserted on the base and a transverse pipe vertically arranged with the vertical pipe, wherein the vertical pipe and the transverse pipe are mutually communicated, and a flanging is arranged on the outer wall of the vertical pipe far away from the base. In the process of die design, if the filter base is vertically arranged, the base faces downwards, and the upper die and the lower die are separated according to the mode shown in figure 2, because the upper end of the vertical pipe is provided with the flanging, the lower end of the vertical pipe is connected with the base, barbs can be respectively formed at the flanging and the base in the die separating process, and therefore the die cannot be separated.

At present, for the filter base plastic part, the filter base plastic part is horizontally placed and subjected to up-down mold separation (as shown in fig. 3) in the market, but after the mold separation, in the process of ejecting the filter base plastic part from a movable mold through an ejector rod, as the ejector rod is abutted against the outer surface of the filter base plastic part, a plurality of marks are left on a molded product, and the attractiveness of the molded product is influenced; meanwhile, the contact area between the plastic part of the filter base and the movable die is large, and the demolding is difficult in the demolding process.

Disclosure of Invention

In order to make fashioned filter seat working of plastics finished product more pleasing to the eye, and more convenient drawing of patterns at the in-process of drawing of patterns, this application provides a filter seat injection mould.

The application provides a strain seat injection mould adopts following technical scheme:

a filter base injection mould, which comprises a fixed mould plate, a movable mould plate, a push plate and an ejector rod arranged on the push plate, the left side and the right side of the side surface of the movable template close to the fixed template are both provided with side pumping mechanisms, each side pumping mechanism comprises a sliding block connected on the movable template in a sliding way and an inclined guide post obliquely arranged on the fixed template, the slide block is provided with an inclined guide hole matched with the inclined guide post, the movable mould plate is provided with a mould core for forming the base of the filter base, the mould core is provided with a lower inserted link, the slide block on the left side is provided with a left mould cavity, a left insert rod is arranged in the left cavity, a right cavity is arranged on the right side slide block, a right insert rod is arranged in the right cavity, the fixed die plate is provided with an upper inserted rod, the fixed die plate, the movable die plate, the left side sliding block and the right side sliding block jointly form a vertically arranged filter base cavity, and the ejector rods all penetrate through the core and flush with the upper end face of the core.

By adopting the technical scheme, the fixed die plate, the movable die plate, the left side slide block and the right side slide block jointly form a vertically arranged filter base die cavity, and part of the die cavity is arranged on the slide blocks on the left side and the right side, so that the slide blocks on the two sides can slowly move outwards (the slide blocks are separated from the filter base plastic part) in the die opening process of the die, and meanwhile, the fixed die plate and the movable die plate can also slowly separate (the fixed die plate is separated from the filter base plastic part) simultaneously, the filter base plastic part can be always remained on the movable die plate before the die is removed, the die removal of the filter base plastic part is carried out after the left insert rod and the right insert rod are respectively removed from the filter base plastic part, because the contact area between the filter base plastic part and the die core is smaller, the die removal can be carried out more conveniently in the die removal process, meanwhile, the ejector rod is abutted against the inner part of the base of the filter base in the die removal process, so that the appearance of the formed filter base plastic part is not influenced, so that the plastic product of the filter base is more beautiful.

Optionally, a limit switch is arranged between the sliding block and the movable die plate, the limit switch includes a clamping block and an elastic part, a sliding groove for the clamping block to slide up and down is formed in the sliding block, the elastic part is arranged between the clamping block and the bottom wall of the sliding groove, a clamping groove matched with the clamping block in a clamping manner is formed in the movable die plate, after the inclined guide pillar is separated from the sliding block, the clamping block is clamped in the clamping groove to limit the sliding block, and after the inclined guide pillar is inserted into the inclined guide hole, a separating mechanism for driving the clamping block to separate from the clamping groove is formed in the sliding block.

Through adopting above-mentioned technical scheme, after the die sinking, can carry on spacingly to the slider in the draw-in groove of slider through the elastic component fixture block automatic joint, make slider and oblique guide pillar separation back difficult production remove, when the in-process at the compound die, break away from the mechanism and can order about the fixture block draw-in groove that drops, can reset the slider smoothly after the guide pillar enters into oblique guide hole to one side like this, such setting makes the mould that opens and shuts of mould more smooth and easy, the dead phenomenon of card is difficult for appearing.

Optionally, the detaching mechanism includes a clamping rod and a first spring, the clamping rod is transversely inserted into the slider, the slider is provided with a sliding groove for the clamping rod to slide left and right, the sliding groove is respectively communicated with the inclined guide hole and the sliding groove, the first spring is sleeved on the clamping rod, an opening expanding groove is formed on one side of the sliding groove close to the inclined guide hole, the first spring is installed in the opening expanding groove, a baffle is arranged on the side wall of the clamping rod, one end of the first spring is connected with the baffle, the other end of the first spring is connected with the bottom wall of the opening expanding groove, a clamping groove matched with the clamping rod in a clamping manner is formed on the side wall of the clamping block, a first inclined surface for driving the clamping block to move upwards under the action force of the clamping rod is arranged at one end of the clamping rod opposite to the clamping groove, when the clamping rod is clamped in the clamping groove, the clamping block is located in the sliding groove, and the clamping rod abuts against the inclined guide pillar, and a second inclined plane which slides inwards under the action of the inclined guide column is arranged at one end of the clamping rod relative to the inclined guide hole.

By adopting the technical scheme, in the demoulding process, the inclined guide post can be slowly drawn out of the inclined guide hole of the sliding block, when the inclined guide post is completely drawn out of the inclined guide hole, the clamping rod can move towards one side of the inclined guide hole under the action of the first spring, so that the clamping rod is separated from the clamping groove, and after the clamping block loses the acting force of the clamping rod, the clamping block can move downwards under the action of the elastic piece and is clamped in the clamping groove to position the sliding block; when the in-process at the compound die, oblique guide pillar can slowly insert in the oblique guide hole and support on the second inclined plane of propping up the joint pole, promotes the direction removal of joint pole toward the joint groove, and the first inclined plane of joint pole can support the notch department of propping up the joint groove, promotes the fixture block and up removes and break away from the draw-in groove, and at last joint pole joint is to the joint inslot, and such setting linkage is high for the mould operation of opening and shutting gets up more smoothly.

Optionally, hexagonal hole in having seted up on the second inclined plane, joint pole and baffle threaded connection set up the through-hole that supplies the joint pole to take out on the lateral wall that two sliders carried on the back mutually respectively, the through-hole communicates with the sliding tray each other, the outer wall of joint pole is equipped with the groove that slides that extends along its axial direction, be equipped with the through hole that communicates with the groove that slides each other on the slider, be equipped with first locating piece in the through hole, first locating piece passes through bolt and slider fixed connection, first locating piece sets up in the groove that slides with sliding.

Through adopting above-mentioned technical scheme, when needs change joint pole, at first with fixed die plate and movable mould board alternate segregation, then dismantle first locating piece again, go to rotate the joint pole through hexagon socket head cap spanner again for joint pole and baffle take place relative rotation, make joint pole and baffle take place to break away from, thereby just can take out the joint pole, make the dismantlement and the installation of joint pole more convenient and fast.

Optionally, the separation mechanism includes a push rod for pushing the clamping block out of the clamping groove, the push rod is fixedly arranged on the push plate, the push rod penetrates through the movable template, the end of the push rod extends into the clamping groove, and the push rod and the clamping groove are coaxially arranged.

Through adopting above-mentioned technical scheme, after the die sinking, can carry on spacingly to the slider in the draw-in groove of slider through the elastic component fixture block automatic joint, make slider and the difficult production removal after the guide pillar separates to one side, when the in-process at the drawing of patterns, the cylinder on the injection molding machine can promote the push pedal and move forward, go to the drawing of patterns through the ejector pin, the push pedal can promote the push rod and move forward simultaneously, push away from the fixture block from the draw-in groove through the push rod, thereby at the in-process of compound die, the slider just can reset smoothly with the help of guide pillar to one side.

Optionally, the push rod includes outer pole and interior pole, vertical groove has been seted up to the tip of outer pole, be equipped with the second spring in the vertical groove, the one end and the interior pole end connection of second spring, the other end and vertical tank bottom wall connection, the elasticity of second spring is greater than the elasticity of elastic component, set firmly on the outer wall of outer pole and carry out spacing stopper to the push rod, be equipped with the rectangular shape groove that supplies the stopper to slide from top to bottom on the slider.

Through adopting above-mentioned technical scheme, at the in-process of drawing of patterns, the push pedal promotes the push rod and removes, because the elasticity of second spring is greater than the elasticity of elastic component, thereby the push rod can push away the fixture block from the draw-in groove and leave, and spacing block on the outer pole removes the terminal point in rectangular shape groove, make the push pedal follow the in-process that continues to remove, the outer pole is motionless, interior pole can continue to follow the push pedal and move together, such setting up makes the size precision of push rod, fixture block and draw-in groove and push pedal displacement's degree of agreeing with not too high, make things convenient for the manufacturing and the production of mould.

Optionally, the movable mould plate comprises an upper seat plate and a lower seat plate fixed with the upper seat plate through bolts, the strip-shaped groove is formed in the lower seat plate, a groove for the limiting block to be separated from is formed in one side, opposite to the upper seat plate, of the lower seat plate, the groove is communicated with the strip-shaped groove, a pressing plate for limiting the limiting block to be separated from is arranged in the groove, and the pressing plate is fixedly connected with the lower seat plate through bolts.

Through adopting above-mentioned technical scheme, the structure of above-mentioned movable mould board can make things convenient for the dismantlement and the installation of push rod.

Optionally, an upper cavity for forming the turned edge is formed in one side of the fixed die plate, which is opposite to the movable die plate, and the upper insertion rod penetrates through the upper cavity.

By adopting the technical scheme, if the cavities of the filter base injection molding part are all designed on the sliding blocks on the left side and the right side, the upper end pipe orifice of the vertical pipe of the filter base injection molding part is directly contacted with the sliding blocks in the demolding process, and after the filter base injection molding part is molded, the filter base injection molding part and the sliding blocks have very large adhesive force, and the upper end pipe orifice of the vertical pipe of the filter base injection molding part is easily torn or cracked in the relative transverse movement process, so that the defective rate is greatly improved; in the structure of the application, the flanging at the pipe orifice at the upper end of the vertical pipe of the filter base injection molding part is designed on the fixed template, so that the pulling force of the sliding block on the filter base injection molding part does not directly act on the pipe orifice at the upper end of the vertical pipe (but the pulling force is generated below the pipe orifice at the upper end of the vertical pipe) in the process of separating the sliding block from the filter base injection molding part, and the pulling force in the vertical direction is generated on the filter base injection molding part by the fixed template in the process of separating the filter base injection molding part from the fixed template, so that the filter base injection molding part is not easy to damage after demolding, and the defective rate of products in the production process is greatly reduced; if simultaneously if the die cavity that will strain a seat injection molding all designs on the slider of left and right sides, the mould can produce the overlap between slider and fixed die plate at the in-process of moulding plastics to can produce the overlap in mouth of pipe department of vertical pipe upper end, thereby can influence the equipment with other accessories, and this application is moulded plastics and is accomplished the back, and the position that produces the overlap is in the orificial below of vertical pipe upper end, is difficult for influencing the equipment with other accessories.

Optionally, the fixed die plate comprises a fixed die base body and an upper insert fixed with the fixed die base body through a bolt, the upper cavity is arranged on the upper insert, the movable die plate further comprises a lower insert, the lower insert is fixedly arranged on the upper base plate through a bolt, and the core is fixedly arranged on the lower insert.

By adopting the technical scheme, the upper cavity is arranged on the upper insert, the upper insert is detachably connected with the fixed die base body through the bolt, the core is arranged on the lower insert, and the lower insert is connected with the upper base plate through the bolt, so that the core, the upper cavity, the left cavity and the right cavity can be independently replaced when damaged, and the replacement cost is reduced; meanwhile, under the condition that the whole die carrier is not replaced, different products can be injection-molded only by replacing the upper insert, the lower insert and the slide blocks on the left side and the right side, and the utilization rate of the die is improved.

Optionally, the left side and the right side of the lower insert relative to the sliding direction of the sliding block are respectively provided with a second positioning block, the opposite side walls of the two second positioning blocks are provided with arc surfaces protruding outwards, the sliding blocks on the left side and the right side are respectively provided with a notch groove, and the two notch grooves form a positioning groove matched with the second positioning blocks after being combined.

Through adopting above-mentioned technical scheme, the design of locating piece and constant head tank for the slider of the left and right sides can fix a position after the combination more accurately, improves the quality of the back product of moulding plastics.

In summary, the present application includes at least one of the following beneficial technical effects:

the product that the filter seat injection mould of this application was moulded plastics is pleasing to the eye in appearance, the convenient drawing of patterns, and whole operation is stable, is difficult for appearing the phenomenon of card mould, and the defective percentage is low in the product mass production in-process.

Drawings

Fig. 1 is a perspective view of a filter base injection molded part.

Fig. 2 is a vertical cross-sectional view of a filter base injection molded part.

Fig. 3 is a transverse cross-sectional view of a filter base injection molded part.

Fig. 4 is a perspective view of the first embodiment of the present application.

Fig. 5 is a schematic structural diagram for illustrating a side drawing mechanism in the first embodiment of the present application.

Fig. 6 is a schematic structural diagram of the first embodiment of the present application.

Fig. 7 is an enlarged view at a in fig. 5.

Fig. 8 is a perspective view of a detachment mechanism in accordance with a first embodiment of the present application.

Fig. 9 is a schematic view for illustrating a jack in the first embodiment of the present application.

Fig. 10 is a schematic structural diagram illustrating a second positioning block according to a first embodiment of the present application.

Fig. 11 is a schematic structural diagram of a second embodiment of the present application.

Fig. 12 is an enlarged view at B in fig. 11.

Description of reference numerals: 1. pushing the plate; 2. a top rod; 3. fixing a template; 31. a fixed die base body; 32. an upper insert block; 33. an upper cavity; 4. moving the template; 41. an upper seat plate; 42. a lower seat plate; 43. a groove; 44. pressing a plate; 45. a lower insert; 5. a side pumping mechanism; 51. a slider; 52. an inclined guide post; 53. oblique guide holes; 6. a core; 7. a lower inserted link; 8. a left cavity; 9. a left inserted link; 10. a right cavity; 11. a right insertion rod; 12. an upper insertion rod; 13. a filter base cavity; 14. a filter base injection molding; 15. a limit switch; 151. a clamping block; 152. an elastic member; 153. a chute; 154. a card slot; 16. a disengagement mechanism; 1611. a clamping and connecting rod; 1612. a first spring; 1613. a sliding groove; 1614. a flared groove; 1615. a baffle plate; 1616. a clamping groove; 1617. a first inclined surface; 1618. a second inclined surface; 1621. a push rod; 16211. an outer rod; 16212. an inner rod; 16213. a vertical slot; 16214. a second spring; 16215. a limiting block; 16216. a strip-shaped groove; 17. an inner hexagonal hole; 18. a through hole; 19. a sliding groove; 20. a through hole; 21. a first positioning block; 211. a transverse plate; 212. a vertical plate; 22. a second positioning block; 23. an arc-shaped surface; 24. positioning a groove; 25. a base; 26. a vertical tube; 27. a transverse tube; 28. and (5) flanging.

Detailed Description

The present application is described in further detail below with reference to figures 4-12.

The embodiment of the application discloses a filter base injection mold. Referring to fig. 4 and 5, the filter base injection mold comprises a fixed mold plate 3, a movable mold plate 4, a push plate 1 and an ejector rod 2 arranged on the push plate 1, side pulling mechanisms 5 are arranged on the left side and the right side of the side face, close to the fixed mold plate 3, of the movable mold plate 4, the side pulling mechanisms 5 comprise sliding blocks 51 connected to the movable mold plate 4 in a sliding mode and oblique guide pillars 52 obliquely arranged on the fixed mold plate 3, oblique guide holes 53 matched with the oblique guide pillars 52 are formed in the sliding blocks 51, when the movable mold plate 4 and the fixed mold plate 3 are separated from each other, the oblique guide pillars 52 can push the two sliding blocks 51 to be separated from each other, and when mold closing is carried out, the oblique guide pillars 52 can push the two sliding blocks 51 to be close to each other.

Referring to fig. 6, the fixed die plate 3 includes a fixed die holder 31 and an upper insert 32 fixed to the fixed die holder 31 by bolts, an upper insert rod 12 is further disposed on the fixed die plate 3, the upper insert rod 12 is fixed to the fixed die holder 31 by being pressed by the upper insert 32, an upper cavity 33 for forming a flanging 28 of the filter holder injection molding member 14 is disposed on the upper insert 32, and the upper insert rod 12 passes through the upper cavity 33; the movable template 4 comprises an upper base plate 41, a lower base plate 42 and a lower insert 45, the lower insert 45 is fixedly arranged on the upper base plate 41 through bolts, a mold core 6 for forming the filter base 25 is arranged on the lower insert 45, a lower insert rod 7 is arranged on the movable template 4, and the lower insert rod 7 is fixedly pressed on the upper base plate 41 through the lower insert 45; the left side slide block 51 is provided with a left cavity 8, a left insert rod 9 is arranged in the left cavity 8, the right side slide block 51 is provided with a right cavity 10, a right insert rod 11 is arranged in the right cavity 10, and the fixed die plate 3, the movable die plate 4, the left side slide block 51 and the right side slide block 51 jointly form a vertically arranged filter base cavity 13.

Referring to fig. 6 and 7, a limit switch 15 is arranged between the slider 51 and the movable die plate 4, the limit switch 15 includes a latch 151 and an elastic member 152 (the elastic member 152 is a spring), a slide groove 153 for the latch 151 to slide up and down is arranged on the slider 51, the elastic member 152 is arranged between the bottom wall of the latch 151 and the bottom wall of the slide groove 153, a slot 154 matched with the latch 151 in a clamping manner is arranged on the movable die plate 4, after demolding, the inclined guide post 52 is separated from the slider 51, the latch 151 is clamped into the slot 154 under the action of the elastic member 152, so that the slider 51 can be limited, in the mold assembling process, after the inclined guide post 52 is inserted into the inclined guide hole 53, the slider 51 is provided with a separation mechanism 16 for driving the latch 151 to be separated from the slot 154, so that the inclined guide post 52 can push the slider 51 to reset.

Referring to fig. 6 and 7, the detaching mechanism 16 includes a clamping rod 1611 and a first spring 1612, the clamping rod 1611 transversely penetrates the sliding block 51, the sliding block 51 is provided with a sliding groove 1613 for sliding the clamping rod 1611 left and right, the sliding groove 1613 is respectively communicated with the inclined guide hole 53 and the sliding groove 153, the first spring 1612 is sleeved on the clamping rod 1611, one side of the sliding groove 1613 close to the inclined guide hole 53 is provided with a flared groove 1614, the first spring 1612 is installed in the flared groove 1614, a baffle 1615 is arranged on a side wall of the clamping rod 1611, one end of the first spring 1612 is connected with the baffle 1615, the other end is connected with a bottom wall of the flared groove 1614, a clamping groove 1616 in clamping fit with the clamping rod 1611 is arranged on a side wall of the clamping rod 1611, a first inclined surface 1617 driven by the action force of the clamping rod 1611 to move the clamping rod 151 upwards is arranged at one end of the clamping rod 1616, the first inclined surface 1617 is inclined from one end of the inclined surface 53 to one end of the sliding groove 153, a second inclined surface 1618 which slides inwards under the action of the inclined guide post 52 is arranged at one end of the clamping rod 1611 opposite to the inclined guide hole 53, and the second inclined surface 1618 inclines towards the movable die plate 4 from one end of the sliding groove 153 to one end of the inclined guide hole 53; when the die is closed, one end of the clamping rod 1611 is clamped in the clamping groove 1616, the other end of the clamping rod abuts against the outer wall of the inclined guide post 52, and the lower end of the clamping block 151 abuts against the movable die plate 4; during mold splitting, the inclined guide post 52 pushes the slider 51 to move, meanwhile, the inclined guide post 52 can be slowly moved out of the inclined guide hole 53, the clamping rod 1611 can be slowly moved out of the clamping groove 1616 under the action of the first spring 1612, the clamping block 151 is clamped into the clamping groove 154 under the action of the elastic element 152 so as to limit the slider 51, and the second inclined surface 1618 can be moved into the inclined guide hole 53; in the process of mold re-closing, one end of the chamfered corner of the inclined guide post 52 can abut against the second inclined surface 1618, the clamping rod 1611 is pushed to move towards the clamping block 151, the first inclined surface 1617 of the clamping rod 1611 abuts against the notch of the clamping groove 1616, so that the clamping block 151 can be pushed to move upwards, the clamping block 151 is separated from the clamping groove 1616, one end of the first inclined surface 1617 of the clamping rod 1611 can be clamped into the clamping groove 1616, one end of the chamfered corner of the inclined guide post 52 can continue to move towards the inclined guide hole 53 after passing through the second inclined surface 1618, one end of the second inclined surface 1618 of the clamping rod 1611 can abut against the side wall of the inclined guide post 52 under the action of the first spring 1612, and the slide block 51 can be pushed to reset in the process that the inclined guide post 52 continues to be inserted into the inclined guide hole 53.

Referring to fig. 7 and 8, an inner hexagonal hole 17 is formed in the second inclined surface 1618, the clamping rod 1611 is in threaded connection with the baffle 1615, through holes 18 for the clamping rod 1611 to be drawn out are respectively formed in the side walls of the two sliders 51, which are opposite to each other, the through holes 18 are communicated with the sliding grooves 1613, sliding grooves 19 extending in the axial direction of the clamping rod 1611 are formed in the outer wall of the clamping rod 1611, through holes 20 communicated with the sliding grooves 19 are formed in the sliders 51, first positioning blocks 21 are arranged in the through holes 20, the first positioning blocks 21 include transverse plates 211 and vertical plates 212, the transverse plates 211 are fixedly connected with the sliders 51 through bolts, the vertical plates 212 are slidably arranged in the sliding grooves 19, and the first positioning blocks 21 can circumferentially limit the clamping rod 1611. When the clamping rod 1611 needs to be removed, the first positioning block 21 is removed, and then the socket head wrench is inserted into the socket head hole 17 through the through hole 18 to rotate the clamping rod 1611, so that the clamping rod can be pulled out.

Referring to fig. 9, the ejector rods 2 arranged on the push plate 1 penetrate through the mold core 6, the upper end surfaces of the ejector rods 2 are flush with the upper end surface of the mold core 6, and after injection molding is completed, the ejector rods 2 are abutted against the inside of the base 25 of the filter base injection molding 14, so that traces generated by the ejector rods 2 on the filter base injection molding 14 are left in the base 25, and the produced filter base injection molding 14 is more attractive.

Referring to fig. 10, the lower insert 45 is provided with second positioning blocks 22 on the left and right sides relative to the sliding direction of the sliding block 51, the side walls of the two second positioning blocks 22 opposite to each other are provided with arc surfaces 23 protruding outwards, the sliding blocks 51 on the left and right sides are provided with notch grooves, and the two notch grooves are combined to form positioning grooves 24 matched with the second positioning blocks 22. The arrangement of the second positioning block 22 and the positioning groove 24 enables the two sliders 51 to be combined more accurately after the die is assembled, and the arrangement of the arc-shaped surface 23 enables the sliders 51 to move more smoothly.

The implementation principle of the filter base injection mold in the embodiment of the application is as follows: in the mold opening process, the fixed mold plate 3 and the movable mold plate 4 can be separated from each other under the action of the injection molding machine, the two slide blocks 51 can be separated from each other under the action of the inclined guide post 52, and after the slide blocks 51 are separated from the inclined guide post 52, the clamping blocks 151 can be automatically clamped into the clamping grooves 154 of the slide blocks 51 through the elastic pieces 152, so that the slide blocks 51 can be limited, and the slide blocks 51 are not easy to move after being separated from the inclined guide post 52; after demolding, in the mold closing process, one end of the fillet of the inclined guide post 52 abuts against the second inclined surface 1618 of the clamping rod 1611 to push the clamping rod 1611 to move towards the clamping groove 1616, and then the first inclined surface 1617 of the clamping rod 1611 abuts against the notch of the clamping groove 1616, so that the clamping rod 1611 can push the fixture block 151 to move upwards in the transverse moving process to make the fixture block 151 break away from the clamping groove 154, and thus the slide block 51 can be pushed to reset after the subsequent inclined guide post 52 abuts against the inner wall of the inclined guide hole 53.

Second embodiment, referring to fig. 11 and 12, the main difference between the second embodiment and the first embodiment is: the separating mechanism 16 comprises a push rod 1621, the push rod 1621 further comprises an outer rod 16211 and an inner rod 16212, the end of the outer rod 16211 is provided with a vertical groove 16213, a second spring 16214 is arranged in the vertical groove 16213, one end of the second spring 16214 is connected with the end of the inner rod 16212, the other end is connected with the bottom wall of the vertical groove 16213, the elastic force of the second spring 16214 is larger than the elastic force of the elastic member 152, the outer wall of the outer rod 16211 is fixedly provided with a limit block 16215 for limiting the push rod 1621, the lower seat plate 42 is provided with a long strip-shaped groove 16216 for sliding the limit block 16215 up and down, one side of the lower seat plate 42 relative to the upper seat plate 41 is provided with a groove 43 for releasing the limit block 16215, the groove 43 is communicated with the long strip-shaped groove 16216, a press plate 44 for limiting the release of the limit block 16215 is arranged in the groove 43, the press plate 44 is fixedly connected with the lower seat plate 42 through a bolt, the inner rod 16212 is fixedly arranged on the push plate 1, the whole push rod 1621 is arranged on the movable template 4 in a way in a vertical sliding way, the movable template 4, a hole for the push rod 1621 to pass through, and the end of the outer rod 16211 extends into the slot 154, the end of the outer rod 16211 is disposed at a chamfer angle, and the push rod 1621 is disposed coaxially with the slot 154.

The implementation principle of the filter base injection mold in the embodiment of the application is as follows: in the mold opening process, the clamping block 151 can be automatically clamped into the clamping groove 154 of the sliding block 51 through the elastic part 152 to limit the sliding block 51, so that the sliding block 51 is not easy to move after being separated from the inclined guide post 52, when in the mold releasing process, the cylinder on the injection molding machine can push the push plate 1 to move forwards, the ejector rod 2 is used for mold releasing, meanwhile, the push plate 1 can push the push rod 1621 to move forwards, because the elastic force of the second spring 16214 is greater than that of the elastic part 152, the clamping block 151 can be pushed away from the clamping groove 154 through the push rod 1621, the limiting block 16215 on the outer rod 16211 can move to the end point of the elongated groove 16216 (at this time, the end part of the inverted bevel angle of the outer rod 16211 extends into the sliding groove 153, so that the clamping block 151 can be completely pushed out of the clamping groove 154), the push plate 1 is fixed in the subsequent continuous moving process, the inner rod 16212 can continuously move along with the push plate 1, and in the mold closing process, the two sliding blocks 51 can be mutually closed by means of the inclined guide post 52, when the notch of the sliding groove 153 of the sliding block 51 abuts against the end of the beveled edge of the outer rod 16211, the sliding block 51 pushes the outer rod 16211 to move downwards to separate from the sliding groove 153, so that the two sliding blocks 51 can be reset smoothly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a strain seat injection mould, includes fixed die plate (3), movable mould board (4), push pedal (1) and sets up ejector pin (2) on push pedal (1), the side left and right sides that movable mould board (4) are close to fixed die plate (3) all is provided with side pump constructs (5), side pump constructs (5) including slide slider (51) and the oblique guide pillar (52) of slope setting on fixed die plate (3) of connection on movable mould board (4), be equipped with on slider (51) with oblique guide hole (53) of guide pillar (52) looks adaptation to one side, its characterized in that: be equipped with core (6) that is used for the shaping to strain a base (25) on movable mould board (4), be equipped with down inserted bar (7) on core (6), be equipped with left die cavity (8) on left side slider (51), and be equipped with left inserted bar (9) in left die cavity (8), be equipped with right die cavity (10) on right side slider (51), and be equipped with right inserted bar (11) in right die cavity (10), be equipped with inserted bar (12) on fixed die plate (3), movable mould board (4) and left side slider (51) and right side slider (51) constitute filter seat die cavity (13) of vertical setting jointly, ejector pin (2) all run through the up end of core (6) and ejector pin (2) flushes mutually with the up end of core (6).

2. A filter holder injection mold according to claim 1, characterized in that: the adjustable positioning device is characterized in that a limit switch (15) is arranged between the sliding block (51) and the movable template (4), the limit switch (15) comprises a clamping block (151) and an elastic piece (152), a sliding groove (153) for the clamping block (151) to slide up and down is formed in the sliding block (51), the elastic piece (152) is arranged between the clamping block (151) and the bottom wall of the sliding groove (153), a clamping groove (154) matched with the clamping block (151) in a clamping mode is formed in the movable template (4), when the inclined guide post (52) is separated from the sliding block (51), the clamping block (151) is clamped in the clamping groove (154) to limit the sliding block (51), and when the inclined guide post (52) is inserted into the inclined guide hole (53), a separation mechanism (16) for driving the clamping block (151) to be separated from the clamping groove (154) is formed in the sliding block (51).

3. A filter holder injection mold according to claim 2, characterized in that: the separation mechanism (16) comprises a clamping rod (1611) and a first spring (1612), the clamping rod (1611) transversely penetrates through a sliding block (51), the sliding block (51) is provided with a sliding groove (1613) for the clamping rod (1611) to slide left and right, the sliding groove (1613) is communicated with an inclined guide hole (53) and a sliding groove (153) respectively, the first spring (1612) is sleeved on the clamping rod (1611), one side, close to the inclined guide hole (53), of the sliding groove (1613) is provided with an expansion groove (1614) outwards, the first spring (1612) is installed in the expansion groove (1614), a baffle plate (1615) is arranged on the side wall of the clamping rod (1611), one end of the first spring (1612) is connected with the baffle plate (1615), the other end of the first spring is connected with the bottom wall of the expansion groove (1614), and the side wall of the clamping block (151) is provided with a clamping groove (1616) matched with the clamping rod (1611) in a clamping mode, one end of the clamping rod (1611) opposite to the clamping groove (1616) is provided with a first inclined surface (1617) which drives the clamping block (151) to move upwards under the action of the clamping rod (1611), when the clamping rod (1611) is clamped in the clamping groove (1616), the clamping block (151) is located in the sliding groove (153), the clamping rod (1611) abuts against the inclined guide post (52), and one end of the clamping rod (1611) opposite to the inclined guide hole (53) is provided with a second inclined surface (1618) which slides inwards under the action of the inclined guide post (52).

4. A filter holder injection mold according to claim 3, wherein: hexagonal hole (17) in having seted up on second inclined plane (1618), joint pole (1611) and baffle (1615) threaded connection, set up respectively on the lateral wall that two sliders (51) are carried on the back mutually and supply through-hole (18) that joint pole (1611) taken out, through-hole (18) and sliding tray (1613) communicate each other, the outer wall of joint pole (1611) is equipped with along its axial direction extension sliding tray (19), be equipped with on slider (51) with sliding tray (19) intercommunication each other through hole (20), be equipped with first locating block (21) in through hole (20), first locating block (21) pass through bolt and slider (51) fixed connection, first locating block (21) set up in sliding tray (19) with sliding.

5. A filter holder injection mold according to claim 2, characterized in that: the separation mechanism (16) comprises a push rod (1621) which can push the clamping block (151) out of the clamping groove (154), the push rod (1621) is fixedly arranged on the push plate (1), the push rod (1621) penetrates through the movable template (4), the end part of the push rod (1621) extends into the clamping groove (154), and the push rod (1621) and the clamping groove (154) are coaxially arranged.

6. A filter holder injection mold according to claim 5, characterized in that: push rod (1621) includes outer pole (16211) and interior pole (16212), vertical groove (16213) have been seted up to the tip of outer pole (16211), be equipped with second spring (16214) in vertical groove (16213), the one end and interior pole (16212) end connection of second spring (16214), the other end and vertical groove (16213) diapire are connected, the elasticity of second spring (16214) is greater than the elasticity of elastic component (152), set firmly on the outer wall of outer pole (16211) and carry out spacing stopper (16215) to push rod (1621), be equipped with on slider (51) and supply rectangular shape groove (16216) that stopper (16215) slided from top to bottom.

7. The filter base injection mold of claim 6, wherein: the movable mould board (4) includes upper base plate (41) and lower base plate (42) through the bolt fastening with upper base plate (41), rectangular groove (16216) are seted up on lower base plate (42), lower base plate (42) are seted up for one side of upper base plate (41) and are supplied recess (43) that stopper (16215) deviate from, recess (43) and rectangular groove (16216) communicate each other, be equipped with clamp plate (44) that restriction stopper (16215) deviate from in recess (43), clamp plate (44) pass through bolt and lower base plate (42) fixed connection.

8. The filter base injection mold of claim 7, wherein: one side of the fixed die plate (3) relative to the movable die plate (4) is provided with an upper die cavity (33) for forming a flanging (28), and the upper insert rod (12) penetrates through the upper die cavity (33).

9. The filter base injection mold of claim 8, wherein: the fixed die plate (3) comprises a fixed die base body (31) and an upper insert (32) fixed with the fixed die base body (31) through bolts, an upper die cavity (33) is formed in the upper insert (32), the movable die plate (4) further comprises a lower insert (45), the lower insert (45) is fixedly arranged on the upper base plate (41) through bolts, and the core (6) is fixedly arranged on the lower insert (45).

10. A filter holder injection mold according to claim 9, wherein: the left side and the right side of the lower insert (45) relative to the sliding direction of the sliding block (51) are respectively provided with a second positioning block (22), the opposite side walls of the two second positioning blocks (22) are provided with arc surfaces (23) protruding outwards, the sliding blocks (51) on the left side and the right side are respectively provided with a notch groove, and the two notch grooves are combined to form a positioning groove (24) matched with the second positioning blocks (22).

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