Mold core guiding plastic forming mold capable of improving mold closing precision

Abstract

The utility model discloses a mould core guiding plastic forming mould capable of improving mould closing precision, and relates to the technical field of plastic forming mould, the mould core guiding plastic forming mould comprises a fixed mould core and a movable mould core, the fixed mould core is provided with a mounting seat, the movable mould core is provided with an injection molding pipe, the periphery of the mounting seat is provided with guide columns, and the guide columns are connected with the fixed mould core and the movable mould core. A guide hole attached to the guide column is formed in the movable mold core; grooves are formed in the periphery of the outer wall of the guide column. After the guide columns and the guide holes are abraded, the reset springs and the fixing rods are stretched upwards by pulling the circular rings upwards, then the inserting plates are pushed to slide on the sliding seats, the inserting plates are inserted into the grooves, the circular rings are loosened, the inserting plates can be fixed, the steps are repeated, matching with all the guide columns can be completed, and therefore after the guide columns and the guide holes are abraded, the inserting plates can be fixed. The movable mold core moves on the unworn groove through the unworn inserting plate, and compared with a worn guide column and a worn guide hole, the follow-up mold closing precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic forming die, specifically to a mould core guide plastic forming die that improves die accuracy. BACKGROUND

[0002] The plastic mold core guide structure can help maintain the correct die of the movable mold core and the fixed mold core, and maintain the correct position of its cavity. The plastic mold guide structure on the market generally has a structure of guide pillars and guide sleeves. The fixed mold core has a plurality of guide pillars on one side, and the movable mold core has the same number of guide sleeves on one side. During die closing, the guide pillars and guide sleeves cooperate with each other.

[0003] The mold core guide structure and plastic mold of the utility model disclosed in the authorized publication No. CN212372489U also guide die closing through columns and guide sleeves. However, the columns and guide sleeves will wear out due to friction after long-term use, and excessive wear will reduce die closing accuracy. If they are replaced, not only do the columns need to be disassembled and assembled on the fixed mold core, but also the guide sleeves need to be disassembled and assembled on the movable mold core, which is time-consuming and labor-intensive, and is not conducive to use. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a mold core guide plastic forming die that improves die closing accuracy, solving the problems of the prior art.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a mold core guide plastic forming die that improves die closing accuracy, comprising a fixed mold core and a movable mold core, the fixed mold core is provided with a mounting seat, the movable mold core is provided with an injection molding pipe, the mounting seat is provided with guide columns around, and the movable mold core is provided with guide holes matched with the guide columns;

[0006] The outer wall of the guide column is provided with a groove around;

[0007] The movable mold core is provided with a mounting assembly;

[0008] The mounting assembly is provided with a horizontal plug-in assembly around, and the horizontal plug-in assembly can be inserted into the groove, and the horizontal plug-in assembly is provided with a fixing assembly.

[0009] Preferably, the mounting assembly comprises a support plate connected to the movable mold core, the support plate is provided with a bolt and a through hole around, the bolt is connected to the movable mold core, the through hole is coaxial with the guide column and the guide hole, and the hole diameter of the through hole is larger than the hole diameter of the guide hole.

[0010] Preferably, the horizontal plug-in assembly comprises four sliding seats arranged on the support plate, the four sliding seats are located outside the through holes, the sliding seat is in L-shaped structure, and a plug-in plate matched with the groove is slidably connected to the sliding seat.

[0011] Preferably, the fixing assembly comprises four fixing rods, the fixing rods vertically penetrate the top of the sliding seat, the bottom of the fixing rod is plugged into one of the fixing holes, the top of the fixing rod is provided with a circular ring, and the bottom of the circular ring is provided with a reset spring connected with the sliding seat.

[0012] Preferably, the inner diameter of the circular ring is greater than the outer diameter of the guide column.

[0013] Preferably, the bottom inner wall of the sliding seat is provided with a fixing groove, the fixing groove is provided with a magnet block, the top of the magnet block is lower than the plug-in plate, and the bottom of the plug-in plate is provided with an iron block in sliding connection with the fixing groove.

[0014] Beneficial effects

[0015] The utility model provides a mould core guide plastic forming mould of improving die accuracy, has the following beneficial effects compared with prior art:

[0016] 1. The mould core guide plastic forming mould of improving die accuracy, when the guide column and the guide hole are worn, the reset spring and the fixing rod are all stretched upwards through the upper pull ring, then the plug-in plate is pushed to slide on the sliding seat, the plug-in plate is plugged into the groove, then the circular ring is loosened, the plug-in plate is fixed, the above steps are repeated, the cooperation with all guide columns is completed, so that the movable mould core moves on the un-worn groove through the un-worn plug-in plate after the guide column and the guide hole are worn, compared with the worn guide column and the guide hole, the precision of subsequent die assembling is improved.

[0017] 2. The mould core guide plastic forming mould of improving die accuracy, through the setting of the fixing groove, the magnet block and the iron block, when the plug-in plate is pushed into the groove, the iron block and the magnet block are adsorbed and fixed, the plug-in plates around can be temporarily fixed, so that the plug-in plates around are fixed through the downward movement of the fixing rod subsequently. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the schematic diagram of the utility model Figure 1 at A;

[0020] Figure 3 It is the schematic diagram of the horizontal plug-in assembly and the fixing assembly of the utility model;

[0021] Figure 4The utility model discloses a schematic view of iron block and magnet block.

[0022] In the drawing: 1, fixed mold core; 2, movable mold core; 3, mounting seat; 4, injection tube; 5, guide column; 6, guide hole; 7, recess; 8, support plate; 9, bolt; 10, through hole; 11, sliding seat; 12, plugboard; 13, fixing hole; 14, fixed rod; 15, circular ring; 16, return spring; 17, fixed groove; 18, magnet block; 19, iron block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Reference Figures 1-4 The utility model provides two technical schemes as follows:

[0025] The first embodiment is a mold core guiding plastic forming die for improving mold closing precision, which comprises a fixed mold core 1 and a movable mold core 2. The fixed mold core 1 is provided with a mounting seat 3 for fixing the fixed mold core 1. The movable mold core 2 is provided with an injection tube 4 for molten plastic to enter. The mounting seat 3 is provided with guide columns 5 around the mounting seat 3. The movable mold core 2 is provided with guide holes 6 matched with the guide columns 5. When the movable mold core 2 is lifted, the guide holes 6 are lifted and guided on the guide columns 5.

[0026] The guide columns 5 are provided with recesses 7 around the outer walls of the guide columns 5. The recesses 7 are not abraded when the guide columns 5 and the guide holes 6 are used.

[0027] The movable mold core 2 is provided with a mounting assembly.

[0028] The mounting assembly is provided with horizontal plug-in assemblies around the mounting assembly. The horizontal plug-in assemblies can be plugged into the recesses 7. The horizontal plug-in assemblies are provided with fixing assemblies.

[0029] The mounting assembly comprises a support plate 8 connected to the movable mold core 2. The support plate 8 is provided with bolts 9 and through holes 10 around the support plate 8. The bolts 9 are connected to the movable mold core 2 and used for mounting on the movable mold core 2. The through holes 10 are coincident with the axes of the guide columns 5 and the guide holes 6. The hole diameter of the through holes 10 is greater than the hole diameter of the guide holes 6. The through holes 10 are not abraded by the guide columns 5.

[0030] The horizontal plug-in assembly comprises four sliding seats 11 arranged on the support plate 8, the four sliding seats 11 are located outside the through holes 10, the sliding seat 11 is in an L-shaped structure, a plug-in plate 12 matched with the groove 7 is slidably connected to the sliding seat 11, so that the plug-in plate 12 can only move horizontally, and two fixing holes 13 are arranged on the plug-in plate 12.

[0031] The fixing assembly comprises four fixing rods 14 vertically penetrating the top of the sliding seat 11, the bottom of the fixing rod 14 is plugged into one of the fixing holes 13, the top of the fixing rod 14 is provided with a circular ring 15, the bottom of the circular ring 15 is provided with a reset spring 16 connected with the sliding seat 11, the reset spring 16 makes the fixing rod 14 inserted into the fixing hole 13, when the fixing rod 14 is inserted into the fixing hole 13 close to the guide column 5, at this time, the plug-in plate 12 does not enter the groove 7, so that the plug-in plate 12 will not be abraded, when the plug-in plate 12 is needed, the fixing rod 14 is inserted into the fixing hole 13 away from the guide column 5.

[0032] The inner diameter of the circular ring 15 is greater than the outer diameter of the guide column 5, so that the circular ring 15 will not be abraded with the guide column 5.

[0033] The second embodiment is mainly different from the first embodiment in that a fixing groove 17 is arranged on the inner wall of the bottom of the sliding seat 11, a magnet block 18 is arranged on the fixing groove 17, the top of the magnet block 18 is lower than the plug-in plate 12, so that the magnet block 18 is not adsorbed with the plug-in plate 12, an iron block 19 slidably connected with the fixing groove 17 is arranged on the bottom of the plug-in plate 12, when the plug-in plate 12 is pushed, the iron block 19 slides in the fixing groove 17, when the plug-in plate 12 enters the groove 7 and cannot be pushed, at this time, the fixing hole 13 away from the guide column 5 is opposite to the fixing rod 14, and the iron block 19 is adsorbed with the magnet block 18, so that each plug-in plate 12 can be temporarily fixed, after the plug-in plates 12 around are temporarily fixed, the circular ring 15 above can be loosened, so that the reset spring 16 drives each fixing rod 14 to simultaneously fix the plug-in plates 12 around.

[0034] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0035] In use, when the guide column 5 and the guide hole 6 are abraded, the circular ring 15 is pulled upward, so that the reset spring 16 and the fixing rod 14 are both stretched upward, then the plug-in plate 12 is pushed to slide on the sliding seat 11, so that the plug-in plate 12 is plugged into the groove 7, at this time, the magnet block 18 adsorbs and fixes the iron block 19, so that the plug-in plates 12 around can be temporarily fixed, then the circular ring 15 is loosened, so that the plug-in plate 12 can be fixed, the above steps are repeated, so that the cooperation with all the guide columns 5 is completed, so that after the guide column 5 and the guide hole 6 are abraded, the movable mold core 2 moves on the un-abraded groove 7 through the un-abraded plug-in plate 12, compared with the abraded guide column 5 and the guide hole 6, the precision of the subsequent mold closing is improved.

[0036] 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.

[0037] 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. A plastic molding mold with core guidance for improving mold closing accuracy, characterized by: The utility model provides a mould core, including fixed mould core (1) and movable mould core (2), be provided with mounting seat (3) on fixed mould core (1), be provided with injection tube (4) on movable mould core (2), the four around of mounting seat (3) are all provided with guide pillar (5), and movable mould core (2) is provided with with guide hole (6) that sticks to guide pillar (5), The outer wall four around of guide pillar (5) are all seted up recess (7), Movable mould core (2) is provided with mounting assembly, The four around of mounting assembly all are provided with horizontal plug-in assembly, and horizontal plug-in assembly can be inserted into recess (7), horizontal plug-in assembly is provided with fixed assembly.

2. The mold core guiding plastic molding mold for improving mold closing accuracy according to claim 1, wherein: The mounting assembly includes the support plate (8) that sticks to connection on movable mould core (2), the four around of support plate (8) all are provided with bolt (9) and through -hole (10), and bolt (9) is connected on movable mould core (2), the axis of through -hole (10) coincides with guide pillar (5) and guide hole (6), and the aperture of through -hole (10) is greater than the aperture of guide hole (6).

3. The mold core guide plastic molding mold for improving mold closing accuracy according to claim 2, wherein: The horizontal plug-in assembly includes four slide blocks (11) that are provided on support plate (8), four slide blocks (11) are all located the outside of through -hole (10), the slide block (11) is L type structure, and slide block (11) is slidably connected with the plug -in board (12) that matches recess (7), the plug -in board (12) is provided with two fixed holes (13).

4. The mold core guiding plastic molding mold for improving mold closing accuracy according to claim 3, wherein: The fixed assembly includes four fixed rods (14), the fixed rod (14) vertically penetrates the top of slide block (11), and the bottom of fixed rod (14) is inserted in one of fixed holes (13), the top of fixed rod (14) is provided with circular ring (15), and the bottom of circular ring (15) is provided with reset spring (16) connected with slide block (11).

5. The mold core guide plastic molding mold for improving mold closing accuracy according to claim 4, wherein: The inner diameter of circular ring (15) is greater than the outer diameter of guide pillar (5).

6. The mold core guided plastic molding mold for improving mold closing accuracy according to claim 4, wherein: The bottom inner wall of slide block (11) is seted up fixed groove (17), the fixed groove (17) is provided with magnet block (18), and the top of magnet block (18) is lower than plug -in board (12), the bottom of plug -in board (12) is provided with iron block (19) slidably connected with fixed groove (17).

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