CN219926757U

CN219926757U - Anti-flash high-density molding injection mold

Info

Publication number: CN219926757U
Application number: CN202320844166.6U
Authority: CN
Inventors: 李名煜
Original assignee: Shenzhen Jiehong Precision Manufacturing Co ltd
Current assignee: Shenzhen Jiehong Precision Manufacturing Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-10-31
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to a flash-preventing high-density molding injection mold, which comprises a lower mold base, wherein a molding groove is formed in the top of the lower mold base, an L-shaped supporting plate is arranged on the rear side of the lower mold base, a hydraulic cylinder is arranged at the bottom of the L-shaped supporting plate, an upper mold base is arranged at the driving end of the hydraulic cylinder, a pressing block is arranged at the bottom of the upper mold base, and a flash-preventing mechanism is arranged at the top of the lower mold base; the anti-overflow mechanism comprises a side baffle, a guide groove, an adjusting rod, a connecting sheet, a movable shaft, a moving block, a sealing gasket and a guide rod. This anti-overflow material high density shaping injection mold through setting up anti-overflow material mechanism, and when the compound die, the briquetting is located the inside of shaping groove and extrudees the density that improves the injection mold, can adjust the distance between two movable blocks through rotating the regulation pole, drives two sealed pads relative movement and merges into a circular under the relative movement of two movable blocks to be located between the gap of shaping groove and briquetting and block up the gap.

Description

Anti-flash high-density molding injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a flash-preventing high-density molding injection mold.

Background

The injection mold refers to injection molding, also called injection molding, and is a molding method of injection and molding.

The injection mold in the existing market has the advantages that the general gap between the fixed mold and the movable mold is larger during mold closing, so that flash is easy to occur in the mold closing process, the processing effect of the mold is affected, and the processing requirement is difficult to meet, so that the flash-preventing high-density molding injection mold is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the flash-preventing high-density molding injection mold, which has the advantages of flash prevention and the like, and solves the problems that flash is easy to occur in the mold closing process, the processing effect of the mold is affected and the processing requirement is difficult to meet due to the fact that the general gap between the fixed mold and the movable mold is large during mold closing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-density molding injection mold comprises a lower mold base, wherein a molding groove is formed in the top of the lower mold base, an L-shaped supporting plate is arranged on the rear side of the lower mold base, a hydraulic cylinder is arranged at the bottom of the L-shaped supporting plate, an upper mold base is arranged at the driving end of the hydraulic cylinder, a pressing block is arranged at the bottom of the upper mold base, and a flash preventing mechanism is arranged at the top of the lower mold base;

the anti-overflow material mechanism comprises side baffles, guide grooves, adjusting rods, connecting pieces, movable shafts, moving blocks, sealing gaskets and guide rods, wherein the side baffles are arranged at two ends of the top of a lower die holder, the two guide grooves with two numbers are formed in one opposite sides of the side baffles, the adjusting rods are arranged in the side baffles, the connecting pieces are arranged at one ends of the adjusting rods, the movable shafts are rotatably arranged at two sides of the connecting pieces, the moving blocks with two numbers are movably arranged above the lower die holder, the sealing gaskets are arranged at two opposite sides of the moving blocks, and the guide rods are fixedly arranged at the left side and the right side of the moving blocks.

Further, shaping groove and briquetting looks adaptation, and shaping groove and briquetting are circular structure, two the equal fixed mounting in top of side shield has the traveller that is located the upper die base surface, and the upper die base with two the traveller is sliding connection.

Further, a threaded hole positioned on the outer surface of the adjusting rod is formed in the middle of the inside of the side baffle plate on the left side, and the adjusting rod is in threaded connection with the threaded hole.

Furthermore, the adjusting rod is rotationally connected with the connecting sheet, the heights of the two sealing gaskets are higher than the moving block, and the bottoms of the two sealing gaskets are contacted with the lower die holder.

Further, two loose axle all are located between connection piece and the movable block, and two the one end of loose axle all with the movable block rotates to be connected.

Further, the four guide rods are in sliding connection with the guide grooves, and a circular structure is formed between the two sealing gaskets.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this anti-overflow material high density shaping injection mold, through setting up anti-overflow material mechanism, when the compound die, the briquetting is located the inside of shaping groove and extrudees the density that improves the injection mold, can adjust the distance between two movable blocks through rotating the regulation pole, drive two sealed pads relative movement and merge into a circular under the relative movement of two movable blocks, and be located the gap between shaping groove and briquetting and block up the gap, avoid taking place the flash at the in-process of compound die, satisfy processing needs more, injection mold on the existing market has been solved, because general space is great between cover half and the movable mould during the compound die for the flash appears easily in the compound die in-process, has influenced the processing effect of mould, is difficult to satisfy the problem of the needs of processing.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of a portion of the present utility model;

fig. 3 is a schematic perspective view of the flash prevention mechanism of the present utility model.

In the figure: 1. a lower die holder; 2. a forming groove; 3. an L-shaped support plate; 4. a hydraulic cylinder; 5. an upper die holder; 6. briquetting; 7. a flash prevention mechanism; 701. side baffles; 702. a guide groove; 703. an adjusting rod; 704. a connecting sheet; 705. a movable shaft; 706. a moving block; 707. a sealing gasket; 708. a guide rod.

Description of the embodiments

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, an anti-flash high-density molding injection mold in this embodiment includes a lower mold base 1, a molding groove 2 is formed at the top of the lower mold base 1, an L-shaped support plate 3 is provided at the rear side of the lower mold base 1, a hydraulic cylinder 4 is provided at the bottom of the L-shaped support plate 3, an upper mold base 5 is provided at the driving end of the hydraulic cylinder 4, sliding columns located on the outer surface of the upper mold base 5 are fixedly installed at the tops of two side baffles 701, the upper mold base 5 is slidably connected with the two sliding columns, stability of the upper mold base 5 during movement is improved by arranging the sliding columns, a pressing block 6 is provided at the bottom of the upper mold base 5, the molding groove 2 is adapted to the pressing block 6, the molding groove 2 and the pressing block 6 are both in a circular structure, the pressing block 6 is driven to descend into the molding groove 2 by the hydraulic cylinder 4 to press to improve density of injection molding materials, and an anti-flash mechanism 7 is provided at the top of the lower mold base 1.

The anti-overflow mechanism 7 comprises side baffles 701, guide grooves 702, adjusting rods 703, connecting rods 704, movable shafts 705, moving blocks 706, sealing gaskets 707 and guide rods 708, wherein the side baffles 701 are arranged at two ends of the top of the lower die holder 1, the two guide grooves 702 are respectively arranged at one side of the two opposite side baffles 701, the adjusting rods 703 are arranged in the left side baffle 701, threaded holes positioned on the outer surfaces of the adjusting rods 703 are respectively arranged in the middle of the inner parts of the left side baffles 701, the connecting rods 704 are conveniently driven to move when the adjusting rods 703 are rotated by the threaded holes, one ends of the adjusting rods 703 are provided with the connecting rods 704, the movable shafts 705 are rotatably arranged at two sides of the connecting rods 704, the two movable shafts 705 are positioned between the connecting rods 704 and the moving blocks 706, the upper side movable mounting of die holder 1 has a quantity to be two movable blocks 706, the opposite one side of two movable blocks 706 all is provided with sealed pad 707, the height of two sealed pads 707 is higher than movable block 706, and the bottom of two sealed pads 707 all contacts with die holder 1, form circular structure between two sealed pads 707, drive to be close to and form the complete circular between two sealed pads 707 through two movable blocks 706, block up the gap department between shaping groove 2 and briquetting 6, the left and right sides of two movable blocks 706 all is fixed mounting has guide bar 708, through setting up guide bar 708 and guide slot 702, stability when improving movable block 706 and remove for two movable blocks 706 drive sealed pads 707 stable to the gap department, prevent the flash.

In practice, the method is carried out according to the following steps:

1) Firstly, injecting raw materials into a forming groove 2, driving an upper die holder 5 and a pressing block 6 at the bottom to move downwards through a hydraulic cylinder 4, and enabling the pressing block 6 to enter the forming groove 2 to extrude and form the raw materials;

2) Then, by rotating the adjusting rod 703, the adjusting rod 703 moves leftwards in the threaded groove under the action of the threaded groove, and the connecting sheet 704 is driven by the adjusting rod 703 to move leftwards;

3) The connecting sheet 703 drives the two movable shafts 705 to rotate, and under the rotation of the two movable shafts 705, the two movable blocks 706 are driven to slide in the guide groove 702 through the guide rod 708, so that the two movable blocks 706 move in opposite directions;

4) The last two moving blocks 706 drive the two sealing gaskets 707 to relatively move and form a circle surrounding the forming gap of the forming groove 2 and the pressing block 6 to block the forming gap.

To sum up, this anti-flash high density molding injection mold, through setting up anti-flash mechanism 7, when the compound die, briquetting 6 is located the inside of shaping groove 2 and extrudees the density that improves the injection mold, can adjust the distance between two movable blocks 706 through rotating regulation pole 703, drive two sealed pads 707 relative movement and merge into a circular under the relative movement of two movable blocks 706, and be located the gap between shaping groove 2 and briquetting 6 and block up the gap, avoid taking place the flash at the in-process of compound die, satisfy processing needs more, injection mold in the current market has been solved, because general space is great between cover half and the movable mould during the compound die for the flash appears easily in the compound die in-process, has influenced the processing effect of mould, is difficult to satisfy the problem of the needs of processing.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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.

Claims

1. The utility model provides a flash-proof high density molding injection mold, includes die holder (1), its characterized in that: the forming groove (2) is formed in the top of the lower die holder (1), an L-shaped supporting plate (3) is arranged on the rear side of the lower die holder (1), a hydraulic cylinder (4) is arranged at the bottom of the L-shaped supporting plate (3), an upper die holder (5) is arranged at the driving end of the hydraulic cylinder (4), a pressing block (6) is arranged at the bottom of the upper die holder (5), and a flash preventing mechanism (7) is arranged at the top of the lower die holder (1);

anti-flash mechanism (7) are including side shield (701), guide way (702), regulation pole (703), connection piece (704), loose axle (705), movable block (706), sealed pad (707) and guide bar (708), the top both ends of die holder (1) all are provided with side shield (701), two guide way (702) that quantity is two are all seted up to the one side that side shield (701) is relative, the left side the inside of side shield (701) is provided with regulation pole (703), the one end of adjusting pole (703) is provided with connection piece (704), loose axle (705) are all installed in the both sides rotation of connection piece (704), movable block (706) that the top movable mounting of die holder (1) is quantity is two, two the opposite one side of movable block (706) all is provided with sealed pad (707), two guide bar (708) are all fixed mounting in the left and right sides of movable block (706).

2. The flash-resistant high-density molding injection mold of claim 1, wherein: the forming groove (2) is matched with the pressing block (6), the forming groove (2) and the pressing block (6) are of round structures, sliding columns located on the outer surface of the upper die holder (5) are fixedly installed at the tops of the side baffle plates (701), and the upper die holder (5) is in sliding connection with the two sliding columns.

3. The flash-resistant high-density molding injection mold of claim 1, wherein: the middle of the inside of the side baffle plate (701) on the left side is provided with a threaded hole positioned on the outer surface of the adjusting rod (703), and the adjusting rod (703) is in threaded connection with the threaded hole.

4. The flash-resistant high-density molding injection mold of claim 1, wherein: the adjusting rod (703) is rotationally connected with the connecting sheet (704), the heights of the two sealing gaskets (707) are higher than the moving block (706), and the bottoms of the two sealing gaskets (707) are contacted with the lower die holder (1).

5. The flash-resistant high-density molding injection mold of claim 1, wherein: the two movable shafts (705) are located between the connecting sheet (704) and the moving block (706), and one ends of the two movable shafts (705) are rotatably connected with the moving block (706).

6. The flash-resistant high-density molding injection mold of claim 1, wherein: the four guide rods (708) are in sliding connection with the guide grooves (702), and a circular structure is formed between the two sealing gaskets (707).