Quick demoulding device of injection molding machine
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a rapid demolding device of an injection molding machine.
Background
The injection molding machine is a main molding device for manufacturing plastic products with various shapes from thermoplastic plastics or thermosetting plastics by utilizing a plastic molding die, and is mainly divided into a horizontal type molding device and a vertical type molding device, wherein a telescopic ejector rod is generally arranged in the injection molding machine die and is used for demolding of finished products.
For example, the utility model in China provides a demolding mechanism of a vertical injection molding machine, and the demolding mechanism has the following bulletin number: CN220008694U, this vertical injection molding machine's demoulding mechanism, when the drawing of patterns is needed, the cope match-plate pattern rises, the second riser starts this moment, make the lifter rise, the lifter can drive the layer board and rise in the recess, a plurality of layer boards can provide an ascending power for the product after the design in the die cavity, can push out the product after the design in the die cavity, enable the die cavity atress even, not only save the manual work, and drawing of patterns efficiency is high, but this patent is in the in-process of in-service use, because just fashioned plastics shell has not cooled completely yet, consequently, singly lean on the ejector pin drawing of patterns of telescopic link, its area of contact is less, the condition that appears poking the finished product appears easily, influence the production yields of product.
Disclosure of utility model
The utility model aims to provide a quick demoulding device of an injection molding machine, which has the advantage of quick demoulding and solves the problems that in the actual use process of the demoulding device of the existing injection molding machine, as a plastic rubber shell just formed is not completely cooled, the contact area is small, the condition of poking through a finished product is easy to occur and the production yield of the product is affected due to the fact that the demoulding device is only by a telescopic rod ejector rod.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quick shedder of injection molding machine, includes the bottom plate, the equal fixedly connected with cylinder in both sides at bottom plate top, the output fixedly connected with roof of cylinder, the bottom fixedly connected with mould of roof, the top of bottom plate just is located fixedly connected with base between two cylinders, fixedly connected with baffle between the top and the bottom of base inner chamber, the bottom of base inner chamber just is located fixedly connected with electric putter between two baffles, electric putter's top fixedly connected with module, electric putter's one end is kept away from to the module runs through to the top of base, the equal fixedly connected with motor in both sides at base inner chamber back, the output fixedly connected with cam of motor, the inner chamber of base just is located the top of cam and is provided with the fly leaf, the top fixedly connected with ejector pin of fly leaf is kept away from to the ejector pin, the one end that the fly leaf was kept away from runs through to the top of base.
Preferably, both sides at base inner chamber top are all fixedly connected with stop collar, the top fixedly connected with spring of stop collar inner chamber, the bottom fixedly connected with limiting plate of spring, one side fixedly connected with gag lever post that the spring was kept away from to the limiting plate, the one end that the limiting plate was kept away from to the gag lever post runs through to the bottom of stop collar and with the top fixedly connected with fly leaf.
Preferably, the bottoms of the two sides of the module are fixedly connected with sliding blocks, and the opposite sides of the partition plate are provided with sliding grooves matched with the sliding blocks.
Preferably, the front of base is provided with the access panel, and the front of access panel runs through and is provided with the bolt, and the surface of bolt passes through screw thread and the inner wall swing joint of base.
Preferably, the first openings are formed in two sides of the top of the base, and the module is trapezoid.
Preferably, the bottom of the limit sleeve is provided with a second opening, and both sides of the limit plate are in sliding connection with the inner wall of the limit sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, through the cooperation of the bottom plate, the air cylinder, the top plate, the upper die, the base, the partition plate, the electric push rod, the module, the motor, the cam, the movable plate and the ejector rod, the problem that the production yield of products is affected due to the fact that the plastic rubber shell just molded is not completely cooled in the actual use process of the demoulding device of the existing injection molding machine, the contact area is small due to the fact that the ejector rod is singly used for demoulding, and the situation of poking through finished products is easy to occur.
2. According to the utility model, the movable plate can be elastically supported by arranging the limiting sleeve, the spring, the limiting plate and the limiting rod, so that the stability of the movable plate is improved, meanwhile, the movable plate is convenient to reset, the module can be limited by arranging the sliding block and the sliding groove, so that the stability of the module is improved, the parts in the base can be conveniently overhauled by arranging the overhauling plate and the bolt, the ejector rod can be conveniently used by arranging the first opening, and the limiting rod can be conveniently used by arranging the second opening.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
fig. 3 is a perspective view of the motor and cam of the present utility model.
In the figure: 1. a bottom plate; 2. a cylinder; 3. a top plate; 4. an upper die; 5. a base; 6. a partition plate; 7. an electric push rod; 8. a module; 9. a motor; 10. a cam; 11. a movable plate; 12. a push rod; 13. a limit sleeve; 14. a spring; 15. a limiting plate; 16. a limit rod; 17. a slide block; 18. and a sliding groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a quick demoulding device of an injection molding machine comprises a bottom plate 1, wherein two sides of the top of the bottom plate 1 are fixedly connected with air cylinders 2, the output end of each air cylinder 2 is fixedly connected with a top plate 3, the bottom of each top plate 3 is fixedly connected with an upper mould 4, the top of the bottom plate 1 is fixedly connected with a base 5 between the two air cylinders 2, a partition plate 6 is fixedly connected between the top and the bottom of an inner cavity of the base 5, the bottom of the inner cavity of the base 5 is fixedly connected with an electric push rod 7 between the two partition plates 6, the top of the electric push rod 7 is fixedly connected with a module 8, one end of the module 8 far away from the electric push rod 7 penetrates to the top of the base 5, two sides of the back of the inner cavity of the base 5 are fixedly connected with motors 9, the output ends of the motors 9 are fixedly connected with cams 10, the inner cavity of the base 5 is provided with movable plates 11 at the top of the cams 10, the top of the movable plates 11 are fixedly connected with ejector rods 12, one end of the ejector rod 12 far away from the movable plate 11 penetrates through to the top of the base 5, two sides of the top of the inner cavity of the base 5 are fixedly connected with a limit sleeve 13, the top of the inner cavity of the limit sleeve 13 is fixedly connected with a spring 14, the bottom end of the spring 14 is fixedly connected with a limit plate 15, one side of the limit plate 15 far away from the spring 14 is fixedly connected with a limit rod 16, one end of the limit rod 16 far away from the limit plate 15 penetrates through to the bottom of the limit sleeve 13 and is fixedly connected with the top of the movable plate 11, the bottoms of two sides of the module 8 are fixedly connected with a sliding block 17, one side opposite to the partition plate 6 is provided with a sliding groove 18 matched with the sliding block 17, the front surface of the base 5 is provided with an access plate, the front surface of the access plate is penetrated with a bolt, the surface of the bolt is movably connected with the inner wall of the base 5 through threads, two sides of the top of the base 5 are provided with a first opening, the module 8 is trapezoid, the second opening has been seted up to the bottom of stop collar 13, the both sides of limiting plate 15 all with stop collar 13's inner wall sliding connection, through bottom plate 1, cylinder 2, roof 3, go up mould 4, base 5, baffle 6, electric putter 7, module 8, motor 9, cam 10, fly leaf 11 and ejector pin 12's cooperation is used, the shedder of current injection molding machine has been solved in the in-process of in-service use, because just fashioned plastics rubber shell has not cooled down completely yet, consequently, singly lean on the telescopic link ejector pin drawing of patterns, its area of contact is less, the condition that appears poking the finished product appears easily, influence the problem of the production yields of product.
When the mold is used, the air cylinder 2 is started, the air cylinder 2 drives the top plate 3 to move downwards, the top plate 3 drives the upper mold 4 to move, mold closing is completed, the air cylinder 2 is started again after injection molding is completed, the upper mold 4 is separated from the base 5, then the electric push rod 7 is started, the electric push rod 7 drives the module 8 to move downwards, the module 8 is pulled away from a product, the problem that the product is clamped in a mold cavity is solved, finally the motor 9 is started, the motor 9 drives the cam 10 to rotate, the cam 10 extrudes the movable plate 11, the movable plate 11 drives the ejector rod 12 to move upwards, and the product is ejected, so that quick demolding is realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.