Inner cavity correcting device for injection molded part

Abstract

The utility model belongs to the technical field of injection molding part inner cavity correction, and discloses an injection molding part inner cavity correction device which comprises an upper mold cover plate and a lower mold cover plate, fastener screws penetrate through the upper mold cover plate and the lower mold cover plate, the bottom of the upper mold cover plate is connected with an upper mold plate through the fastener screws, and the bottom of the lower mold cover plate is connected with a lower mold plate through the fastener screws. The top of the lower die cover plate is connected with a lower die fixing plate through a fastener screw, an upper die core penetrates through the middle of the upper die plate, and a lower die core penetrates through the middle of the lower die fixing plate. The position where the size of the inner cavity of the product exceeds the upper limit is rapidly corrected, manual correction by operators is not needed, the correction efficiency of the product is greatly improved, waste of manpower resources is avoided, and use of the operators is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding inner cavity correction technical field, concretely relates to an injection molding inner cavity correction device. BACKGROUND

[0002] The injection molding is a plastic product manufactured through injection molding process, is widely used in various fields, and is obtained by injecting a thermoplastic or thermosetting plastic into a mold after being heated and melted, forming, cooling and solidifying, and demolding.

[0003] At present, the injection molding is prone to have the adverse condition of the inner cavity critical size exceeding the upper limit after sintering, the existing correction method usually needs an operator to pick out the products with unqualified size, and the inner cavity size exceeding the upper limit of the products is corrected by artificial knocking, so that the correction efficiency of the products is greatly reduced, a large amount of human resources is consumed, and the operator is not facilitated. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an injection molding inner cavity correction device to solve the problem that the existing injection molding inner cavity correction needs manual knocking, and the correction efficiency of the products is greatly reduced.

[0005] To achieve the above object, the utility model provides the following technical scheme: an injection molding inner cavity correction device, comprising: an upper mold cover plate and a lower mold cover plate, the upper mold cover plate and the lower mold cover plate are both penetrated by a fastener screw, the bottom of the upper mold cover plate is connected with an upper mold plate through the fastener screw, the top of the lower mold cover plate is connected with a lower mold fixed plate through the fastener screw, the upper mold plate is penetrated by an upper mold core in the middle, the lower mold fixed plate is penetrated by a lower mold core in the middle, and the top of the lower mold fixed plate is connected with a plurality of lower mold support blocks, and the top of the lower mold core is inlaid with a lower mold profile limiting core.

[0006] Preferably, the bottom of the upper mold plate is connected with four shovel base blocks, four sliding grooves are formed in the top of the lower mold fixed plate, the four sliding grooves are penetrated by the outer wall of the lower mold fixed plate, a plurality of sliding block seats are slidably connected with the top of the lower mold fixed plate through the sliding grooves, and one side of each sliding block seat is connected with a sliding block insert.

[0007] Preferably, the top of the upper mold core is connected with a spring between the upper mold cover plate.

[0008] Preferably, the bottom of the lower mold fixed plate is penetrated by a plurality of guide columns, and the top end of the guide column is penetrated by the lower mold support block and the upper mold plate.

[0009] Preferably, one side of each of the sliding block seat and the shovel base block is provided with an inclined surface.

[0010] Preferably, the sliding block seat and the sliding block insert are connected by bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model discloses a upper die plate, lower die fixed plate, lower die core, lower die support block, lower die profiled limit core and upper die core structure are set up, realize the position of the product inner chamber size over the upper limit is corrected fast, need not operate personnel to carry out manual correction, greatly promote the correction efficiency of product, avoid the waste of human resources, be favorable to the use of operating personnel.

[0013] (2) The utility model discloses a chute, sliding block seat, sliding block insert and spade base block structure are set up, realize the process of the product correction to its external four -quarter exert pressure, avoid the product in the correction process external size and deform, improve the practicality of device. DRAWINGS

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the three -dimensional explosion drawing of the utility model;

[0016] In the drawing: 1, upper die cover plate;2, lower die cover plate;3, fastener screw;4, upper die plate;5, lower die fixed plate;6, lower die core;7, lower die support block;8, chute;9, sliding block seat;10, sliding block insert;11, lower die profiled limit core;12, spade base block;13, guide column;14, upper die core;15, spring;16, inclined plane. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0018] REFER Figs. 1-2The utility model provides an inner chamber correcting device of injection molding part, include: upper die cover plate 1 and lower die cover plate 2, upper die cover plate 1 and lower die cover plate 2 all are penetrated with fastener screw 3, the bottom of upper die cover plate 1 is connected with upper die plate 4 through fastener screw 3, the top of lower die cover plate 2 is connected with lower die fixed plate 5 through fastener screw 3, upper die plate 4 is penetrated with upper die core 14 in the middle, lower die fixed plate 5 is penetrated with lower die core 6 in the middle, and the top of lower die fixed plate 5 is connected with a plurality of lower die support blocks 7, and the top of lower die core 6 is embedded with lower die profiled limiting core 11.

[0019] Through the above technical scheme,

[0020] Specifically, in use, the product to be corrected is placed on the lower die profiled limiting core 11 for foolproof limiting, and then the upper die cover plate 1 is pressed downward by the hydraulic machine, so that the upper die cover plate 1 drives the upper die core 14 to extrude the product on the lower die fixed plate 5 through the upper die plate 4, so that the inner cavity size of the product is corrected.

[0021] In the utility model, further implementation is provided, referring to Figs. 1-2 The bottom of the upper die plate 4 is connected with four shovel base blocks 12, four sliding grooves 8 are formed in the top of the lower die fixed plate 5, the four sliding grooves 8 are mutually penetrated with the outer wall of the lower die fixed plate 5, a plurality of sliding block seats 9 are slidably connected with the top of the lower die fixed plate 5 through the sliding grooves 8, and one side of the sliding block seat 9 is connected with a sliding block insert 10.

[0022] Through the above technical scheme,

[0023] Specifically, in the process of downward extrusion of the upper die plate 4, the shovel base blocks 12 at the bottom of the upper die plate 4 push the sliding block seats 9 to slide in the sliding grooves 8 at the top of the lower die fixed plate 5, and drive the sliding block inserts 10 to move around the product, so that pressure can be applied to the product around, avoiding deformation of the product outside.

[0024] Referring to Figs. 1-2 The top of the upper die core 6 is connected with a spring 15 between the upper die cover plate 1, a plurality of guide columns 13 are penetrated through the bottom of the lower die fixed plate 5, the top end of the guide column 13 is penetrated in the lower die support block 7 and the upper die plate 4, the one side of the sliding block seat 9 and the shovel base block 12 is provided with an inclined surface 16, and the sliding block seat 9 and the sliding block insert 10 are connected with each other through bolts.

[0025] Through the above technical scheme,

[0026] Specifically, the spring 15 can be used for state return of the correcting device, the guide column 13 improves the stability when the upper die plate 4 moves downward, the inclined surface 16 can be used for slowly pushing the sliding block seat 9, and the sliding block seat 9 and the sliding block insert 10 are connected with each other through bolts, so that the insert 10 can be quickly disassembled and assembled.

[0027] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been illustrated 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 spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An apparatus for correcting the internal cavity of an injection molded part, characterized by , including: Upper die cover plate (1) and lower die cover plate (2), the upper die cover plate (1) and lower die cover plate (2) are all through fastener screw (3), the bottom of the upper die cover plate (1) is connected with upper die plate (4) through fastener screw (3), the top of the lower die cover plate (2) is connected with lower die fixed plate (5) through fastener screw (3), the upper die plate (4) is centrally penetrated with upper die core (14), the lower die fixed plate (5) is centrally penetrated with lower die core (6), and the top of the lower die fixed plate (5) is connected with a plurality of lower die support blocks (7), and the top of the lower die core (6) is inlaid with lower die profiling limit core (11).

2. A device for correcting the internal cavity of an injection molded part according to claim 1, characterized in that: The bottom of the upper die plate (4) is connected with four shovel base blocks (12), the top of the lower die fixed plate (5) is provided with four sliding grooves (8), the four sliding grooves (8) are all penetrated with the outer wall of the lower die fixed plate (5), the top of the lower die fixed plate (5) is slidably connected with a plurality of sliding block seats (9) through the sliding grooves (8), and the side of the sliding block seat (9) is connected with a sliding block insert (10).

3. A device for correcting the internal cavity of an injection molded part according to claim 1, characterized in that: The top of the upper die core (14) is connected with a spring (15) between the upper die cover plate (1).

4. A device for correcting the internal cavity of an injection molded part according to claim 1, characterized in that: The bottom of the lower die fixed plate (5) is penetrated with a plurality of guide columns (13), and the top end of the guide column (13) is penetrated in the lower die support block (7) and the upper die plate (4).

5. A device for correcting the internal cavity of an injection molded part according to claim 2, characterized in that: The side of the sliding block seat (9) and the shovel base block (12) are all provided with inclined surfaces (16).

6. A device for correcting the internal cavity of an injection molded part according to claim 2, characterized in that: The sliding block seat (9) and the sliding block insert (10) are connected with each other through bolts.

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