Mould is used in production of food level plastic product
Technical Field
The utility model relates to the technical field of injection molds, in particular to a mold for producing food-grade plastic products.
Background
Injection molding is a method for producing and molding industrial products. The product is generally made by rubber injection molding and plastic injection molding, an injection molding machine is needed in the injection molding production process, the injection molding machine is main molding equipment for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and the injection molding is realized by the injection molding machine and the die.
The Chinese patent document with the publication number of CN210820660U provides an injection mold, including cover half and movable mould, the surface of cover half and movable mould all is provided with the mold core, and the side surface of cover half is fixed with the gag lever post, and the spacing groove has been seted up to the side surface of movable mould, and positioning groove has been seted up on the surface of gag lever post, and the interior surface mounting of spacing groove has the location sand grip with positioning groove looks adaptation, has improved limit function, has avoided the mold core dislocation that cover half and movable mould surface set up to cause colliding with.
Above-mentioned scheme has improved spacing location performance between movable mould and the cover half, however, to the product of production difference, need change the mold core, and mold core structure is complicated in above-mentioned scheme, and the change of being not convenient for, in addition, at product drawing of patterns in-process, the easy card is in the die cavity, is not convenient for take out, perhaps when movable mould and cover half separation, takes out the product easily, causes droing of product for the product is scrapped or the damage appears.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mold for producing food-grade plastic products, which is used for solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a mould is used in production of food level plastic product, includes die holder and movable mould seat, be provided with the male mold core on the die holder, be provided with the female mold core on the movable mould seat, all be provided with the engaging lug on male mold core and the female mold core, be provided with fastening bolt between engaging lug and the corresponding die holder and the movable mould seat respectively, be provided with the injecting glue pipe on the die holder, the injecting glue groove has been seted up on the male mold core, the injecting glue pipe is located the injecting glue inslot, the mounting groove has been seted up on the female mold core, be provided with electric putter in the mounting groove, electric putter's output is provided with the push pedal, the push pedal matches with the mounting groove, the bottom bilateral symmetry of die holder is provided with two mounting brackets, two be provided with the gauze mask between the mounting bracket, sliding connection between the bottom of movable mould seat and the mounting bracket.
As a further scheme of the utility model: the mounting frame is provided with a limiting sliding groove, a sliding block is arranged in the limiting sliding groove and matched with the limiting sliding groove, the top end of the sliding block is fixedly connected with the bottom end of the fixed die base, and the sliding connection between the movable die base and the mounting frame is realized through the matching of the limiting sliding groove and the sliding block.
As a still further scheme of the utility model: the top of mounting bracket is provided with the fixed plate, be provided with fixing bolt before fixed plate and the cover half seat, the installation and the dismantlement of the mounting bracket of being convenient for.
As a still further scheme of the utility model: all be provided with spacing post on four angles of decide die holder, the spacing groove has been seted up on the movable die holder, the spacing groove matches with spacing post, improves the stability when movable die holder removes, improves the location effect simultaneously for the male mold core more coincide with the female mold core.
As a still further scheme of the utility model: a linear bearing is arranged between the inner wall of the limiting groove and the limiting column, and the sliding smoothness of the limiting column in the limiting groove is enhanced.
As a still further scheme of the utility model: the outer side wall of the concave mold core is provided with a heat dissipation plate, a heat conduction column is embedded in the side wall of the concave mold core, the outer end portion of the heat conduction column is connected with the heat dissipation plate, and the heat dissipation effect of the concave mold core is enhanced.
As a still further scheme of the utility model: the heat dissipation plate is provided with a mounting hole, the mounting hole corresponds to the heat conduction column, and the outer end part of the heat conduction column is provided with a fixing ring in a threaded manner, so that the heat dissipation plate can be conveniently mounted and dismounted.
Compared with the prior art, the utility model has the advantages that:
the utility model comprises a fixed die holder and a movable die holder, wherein a male die core is arranged on the fixed die holder, a female die core is arranged on the movable die holder, connecting lugs are arranged on the male die core and the female die core, fastening bolts are respectively arranged between the connecting lugs and the corresponding fixed die holder and between the connecting lugs and the movable die holder, the male die core and the fixed die holder as well as between the female die core and the movable die holder are detachably connected and fixed through the cooperation of the fastening bolts and the connecting lugs, so that the male die core and the female die core are conveniently replaced, meanwhile, a glue injection pipe is arranged on the fixed die holder, a glue injection groove is formed in the male die core, the glue injection pipe is positioned in the glue injection groove, so that glue is injected into a die cavity formed by the female die core and the male die core, and injection molding is realized.
According to the utility model, the concave die core is provided with the mounting groove, the electric push rod is arranged in the mounting groove, the output end of the electric push rod is provided with the push plate, the push plate is matched with the mounting groove, and when the product is clamped in the concave die core, the electric push rod is controlled to drive the push plate to move outwards to push out the product, so that the production is prevented from being influenced.
According to the utility model, two mounting frames are symmetrically arranged on two sides of the bottom end of the fixed die holder, the gauze cover is arranged between the two mounting frames, the bottom end of the movable die holder is connected with the mounting frames in a sliding manner, and through the arrangement of the gauze cover, when a product falls, the product can be caught by the gauze cover, so that the damage caused by the falling of the product is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a mold for producing food-grade plastic products according to the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic view of the integral connection structure of the movable mold base and the female mold core according to the present invention;
FIG. 4 is a schematic sectional exploded view showing the overall structure of the female mold core according to the present invention;
fig. 5 is an exploded view of the connection structure between the fixed die holder and the male die core according to the present invention.
In the figure: 1. fixing a die holder; 2. a movable die holder; 3. a male mold core; 4. a female mold core; 5. connecting lugs; 6. fastening a bolt; 7. a glue injection pipe; 8. injecting glue groove; 9. mounting grooves; 10. an electric push rod; 11. pushing the plate; 12. a mounting frame; 13. a gauze mask; 14. a limiting chute; 15. a slider; 16. a fixing plate; 17. fixing the bolt; 18. a limiting column; 19. a limiting groove; 20. a linear bearing; 21. a heat dissipation plate; 22. a heat-conducting column; 23. mounting holes; 24. and (4) fixing the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 5, in the embodiment of the present invention:
the utility model provides a mould is used in production of food level plastic product, including cover half 1 and movable mould seat 2, be provided with protruding mold core 3 on the cover half 1, be provided with female mold core 4 on the movable mould seat 2, all be provided with engaging lug 5 on protruding mold core 3 and the female mold core 4, be provided with fastening bolt 6 between engaging lug 5 and the cover half 1 that corresponds and the movable mould seat 2 respectively, be provided with injecting glue pipe 7 on the cover half 1, the glue injection groove 8 has been seted up on the protruding mold core 3, injecting glue pipe 7 is located the glue injection groove 8, mounting groove 9 has been seted up on the female mold core 4, be provided with electric putter 10 in the mounting groove 9, electric putter 10's output is provided with push pedal 11, push pedal 11 matches with mounting groove 9, the bottom bilateral symmetry of cover half 1 is provided with two mounting brackets 12, be provided with gauze mask 13 between two mounting brackets 12, sliding connection between the bottom of movable mould seat 2 and the mounting bracket 12.
Referring to fig. 1, in an embodiment of the present invention: the mounting frame 12 is provided with a limiting sliding groove 14, a sliding block 15 is arranged in the limiting sliding groove 14, the sliding block 15 is matched with the limiting sliding groove 14, the top end of the sliding block 15 is fixedly connected with the bottom end of the fixed die holder 1, and the stability of the movable die holder 2 during moving is enhanced through the matching of the limiting sliding groove 14 and the sliding block 15.
Referring to fig. 2, in an embodiment of the present invention: the top of the mounting bracket 12 is provided with a fixed plate 16, a fixed bolt 17 is arranged in front of the fixed plate 16 and the fixed die holder 1, and the mounting bracket 12 and the fixed die holder 1 are fixedly connected through the matching of the fixed plate 16 and the fixed bolt 17.
Referring to fig. 1 and 2, in an embodiment of the present invention: all be provided with spacing post 18 on four angles of die holder 1, seted up spacing groove 19 on the movable mould base 2, spacing groove 19 matches with spacing post 18, further strengthens the moving stability that movable mould base 2 lies in the die closing of die holder 1 through the cooperation of spacing post 18 and spacing groove 19.
Referring to fig. 3, in an embodiment of the present invention: a linear bearing 20 is arranged between the inner wall of the limiting groove 19 and the limiting column 18, the smooth performance of the movable die holder 2 during moving is enhanced through the arrangement of the linear bearing 20, the energy consumption is reduced, and the operation efficiency is improved.
Referring to fig. 3 and 4, in an embodiment of the present invention: be provided with heating panel 21 on the lateral wall of concave mold core 4, the embedded heat conduction post 22 that is equipped with of lateral wall of concave mold core 4, the outer tip and the heating panel 21 of heat conduction post 22 are connected, and the heat when will moulding is outwards derived through heat conduction post 22 to dispel the heat fast through heating panel 21, improve the moulding efficiency.
Referring to fig. 4, in an embodiment of the present invention: the heat dissipation plate 21 is provided with a mounting hole 23, the mounting hole 23 corresponds to the heat conduction column 22, the outer end part of the heat conduction column 22 is provided with a fixing ring 24 in a threaded manner, during mounting, the heat dissipation holes in the heat dissipation plate 21 are aligned with the heat conduction column 22 and are embedded into the heat dissipation holes, and then the fixing ring 24 is screwed at the outer end part of the heat conduction column 22, so that the heat dissipation plate 21 is fixed, and the heat dissipation plate 21 is convenient to mount and dismount.
Example 2:
referring to fig. 1-5, the utility model relates to a mold for producing food-grade plastic products, when in use, the whole is connected with a driving device of an external injection molding machine, firstly, a movable mold base 2 is driven to drive a female mold core 4 to move towards a fixed mold base 1, so that the female mold core 4 and the male mold core 3 are matched to form a mold cavity, then, external hot glue is conveyed into a glue injection groove 8 through a glue injection pipe 7 and enters the mold cavity formed by matching the female mold core 4 and the male mold core 3 through the glue injection groove 8, so as to realize injection molding, during injection molding, heat in the mold cavity formed by matching the female mold core 4 and the male mold core 3 is led out through a heat conduction column 22 and is quickly radiated through a heat radiation plate 21, so that the molding efficiency is improved, after molding, the movable mold base 2 is driven to drive the female mold core 4 to be far away from the fixed mold base 1, so that the female mold core 4 is separated from the male mold core 3, a molded product is exposed, and the molded product is taken down, and performing the next injection molding operation according to the steps, wherein in the process, the push plate 11 is arranged, when the molded product is clamped in the concave mold core 4 and moves along with the concave mold core 4, and the molded product is inconvenient to take out, the electric push rod 10 is started, the electric push rod 10 drives the push plate 11 to move outwards to the outer side of the mounting groove 9, and the product in the concave mold core 4 is extruded outwards so as to perform the next processing operation.
Example 3:
referring to fig. 1-5, on the basis of embodiment 2, the utility model relates to a mold for producing food-grade plastic products, which comprises a movable mold base 2 and a fixed mold base 1, wherein two mounting frames 12 are arranged at the bottom end of the fixed mold base 1, a gauze cover 13 is arranged between the two mounting frames 12, and through the arrangement of the gauze cover 13, when a product moves along with a female mold core 4, if the product falls off, or when an electric push rod 10 pushes the product out of the female mold core 4 and falls off, the product can be received by the gauze cover 13, so that the product is prevented from falling off the ground and being scrapped, and the like, in addition, connecting lugs 5 are arranged on the female mold core 4 and the male mold core 3, and through the arrangement of the fastening bolts 6 between the connecting lugs 5 and the fixed mold base 1 as well as between the movable mold base 2, so that the male mold core 3 is respectively fixed on the movable mold base 2 through the cooperation of the fastening bolts 6 and the connecting lugs 5, the female mold core 4 is fixed on the movable mold base 2, so that the female mold core 4 and the male mold core 3 can be conveniently installed and disassembled, when the female mold core 4 and the male mold core 3 need to be replaced, the fastening bolt 6 is screwed down, the connecting lugs 5 are respectively separated from the corresponding fixed mold base 1 and the movable mold base 2, the female mold core 4 is separated from the movable mold base 2 and the male mold core 3 is separated from the fixed mold base 1, then, the glue injection grooves 8 on the new male mold core 3 are aligned with the glue injection pipes 7, the glue injection pipes 7 are located in the glue injection grooves 8, then, the male mold core 3 and the fixed mold base 1 are fixedly connected through the matching of the fastening bolt 6 and the connecting lugs 5, and the female mold core 4 and the movable mold base 2 are fixedly connected through the matching of the fastening bolt 6 and the connecting lugs 5.
In all the above-mentioned embodiments, the connection between the two components may be selected from welding, matching connection of bolt and nut, bolt or screw connection, or other known connection methods according to practical situations, which are not described herein in detail, and the above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and equivalent substitutions or changes can be made according to the technical solution of the present invention and the practical idea thereof, and all the modifications and changes are intended to be covered by the scope of the present invention.