CN219360187U - Die-cut device of trilateral mouth of a river of moulding plastics - Google Patents

Abstract

The utility model discloses a punching device for a three-sided injection molding water gap, which comprises a processing table, wherein a lifting frame is arranged at the top of the processing table, a tool rest is arranged at the bottom of the lifting frame, a punching cutter is arranged at the bottom of the tool rest, anti-falling baffles are symmetrically arranged on the top of the processing table, a push plate is movably connected between the two anti-falling baffles, a rack is arranged below the processing table at the bottom of the push plate, gears meshed with the rack are symmetrically and rotatably connected at the bottom of the processing table, a braking ring is embedded at the top of the gear, the top surface of the braking ring is contacted with the bottom surface of the processing table, a limiting pulling piece is elastically hinged at one end of the anti-falling baffle below the tool rest, and an elastic pressing rod is vertically and penetratingly arranged on the limiting pulling piece. When the lifting frame moves downwards with the punching cutter, the elastic pressing rod is pressed down in advance before the water gap is punched, the elastic pressing rod is used for abutting against the gear, the movement of the push plate and the limiting poking piece is avoided, the stability of a workpiece in the punching process is ensured, and the flatness of a notch is improved.

Description

Die-cut device of trilateral mouth of a river of moulding plastics

Technical Field

The utility model relates to the technical field of injection molding, in particular to a punching device for a three-sided injection molding nozzle.

Background

In industrial production, a workpiece is often manufactured by an injection molding process, in which a hot-melted plastic raw material is injected into a molding die under pressure, and the plastic raw material is cooled and molded in a molding cavity of the molding die to obtain a workpiece of a predetermined shape. Based on the requirement of runner design or location, the workpiece often has redundant water gap left outside after injection molding, so the injection water gap on the workpiece needs to be cut off after the injection molding.

The prior patent publication number is: CN217862617U, the name of this patent is "quick injection molding mouth of a river die-cut device", including the device body frame, the inboard lower extreme of device body frame is provided with the buffer seat, the upside of buffer seat is provided with backup pad one, the upside of backup pad one is provided with backup pad two, the inboard sliding connection of backup pad two has the locating plate, the middle part inboard of backup pad one is connected with adjusting screw through the bearing rotation, adjusting screw's outside cover is equipped with the lead screw nut, the upside and the locating plate fixed connection of lead screw nut, one side fixedly connected with accommodate motor of backup pad one, accommodate motor's output shaft and adjusting screw's one end fixed connection, the utility model makes accommodate motor drive the locating plate through adjusting screw and accommodate motor's cooperation when using and remove, thereby block the location to the tip of injection molding through the locating plate, thereby conveniently fix a position the die-cut length of injection molding at every turn, need not manual positioning, thereby accelerate die-cut speed.

Among the above-mentioned prior art, owing to use the motor to drive the locating plate, can not guarantee to be applicable to the injection molding of different specifications, influence die-cut precision easily to the in-process of punching the cutter cutting, very easily because the pressurized skew of work piece leads to mouth of a river department cutting not neat enough, influence the finished product quality.

Disclosure of Invention

The utility model aims to provide a punching device for a three-sided injection nozzle, which aims to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a die-cut device of trilateral mouth of a river of moulding plastics, includes the processing platform, the crane is installed to processing platform top, the knife rest is installed to the crane bottom, the cutter is installed to the knife rest bottom, the anticreep baffle is installed to processing platform top surface symmetry, two swing joint has the push pedal between the anticreep baffle, the rack is installed in processing platform below to the push pedal bottom, processing platform bottom symmetry rotation is connected with the gear with rack engaged with, the gear top is inlayed and is equipped with the brake ring, and brake ring top surface and processing platform bottom surface contact, anticreep baffle one end has spacing plectrum in knife rest below elastic hinge, vertical through-mounting has elastic compression pole on the spacing plectrum, the processing platform is run through to elastic compression pole bottom and brake ring looks butt.

Preferably, a sliding block is fixedly connected between the pushing plate and the rack, and a through groove matched with the sliding block is horizontally formed in the processing table.

Preferably, the elastic pressing plates are arranged at two ends of the bottom of the tool rest, the elastic pressing plates are positioned at the top of the elastic pressing rods, and in the downward movement process of the punching tool, the elastic pressing plates press the elastic pressing rods.

Preferably, the discharge end of the processing table is provided with a water gap collecting tank and a material conveying tank, the water gap collecting tank is positioned in the material conveying tank, and the depth of the water gap collecting tank is larger than that of the material conveying tank.

Preferably, an opening is formed in the notch of the water gap collecting groove, and a plurality of conveying rollers are rotatably connected to the notch of the material conveying groove.

Preferably, the width of the punching cutter is smaller than the interval between the two limiting poking sheets.

The utility model provides a punching device for a three-sided injection molding nozzle. The beneficial effects are as follows:

this die-cut device of trilateral mouth of a river of moulding plastics, pass the work piece of placing on the processing platform through setting up the push pedal, make things convenient for the quick accurate arrival die-cut position in mouth of a river on the work piece of different length, simultaneously, when the crane band die-cut sword moves down, can push down the elastic compression pole in advance before die-cut mouth of a river, utilize the elastic compression pole to support the braking ring on the tight gear, avoid push pedal and spacing plectrum activity, guarantee the stability of die-cut in-process work piece, improve notched roughness, and after the die-cut sword of the die-cut completion of mouth of a river lifts up, continue to promote the push pedal can directly let the spacing plectrum on work piece both sides be pushed aside in order to realize quick pay-off, work efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a die-cutting device for a three-sided injection nozzle;

FIG. 2 is a bottom view of a die-cutting apparatus for three-sided injection molding nozzle according to the present utility model;

FIG. 3 is a side view of a die-cutting apparatus for three-sided injection molding nozzle according to the present utility model;

fig. 4 is a schematic diagram showing connection between a gear and a brake ring in a three-sided injection nozzle according to the present utility model.

Legend description:

1. a processing table; 101. a through groove; 102. a water gap collecting tank; 103. a material conveying groove; 104. an opening; 105. a conveying roller; 2. a lifting frame; 3. a tool holder; 301. punching a cutter; 302. an elastic pressing plate; 4. an anti-falling baffle; 5. a push plate; 6. a rack; 7. a gear; 701. a brake ring; 8. limiting poking piece; 9. an elastic compression bar; 10. a sliding block.

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.

Referring to fig. 1-4, a die-cutting device for three-sided injection molding water gap comprises a processing table 1, wherein a lifting frame 2 is arranged at the top of the processing table 1, a tool rest 3 is arranged at the bottom of the lifting frame 2, the lifting frame 2 is lifted by a hydraulic telescopic rod and moves synchronously with the tool rest 3, a die-cutting knife 301 is arranged at the bottom of the tool rest 3, anti-drop baffles 4 are symmetrically arranged on the top surface of the processing table 1, a push plate 5 is movably connected between the two anti-drop baffles 4, before the water gap is die-cut, a workpiece is required to be placed between the two anti-drop baffles 4, a rack 6 is arranged at the bottom of the push plate 5 below the processing table 1, a gear 7 meshed with the rack 6 is symmetrically and rotatably connected at the bottom of the processing table 1, when the push plate 5 is pushed to move the workpiece to a die-cutting area, a gear 7 is driven to rotate by the rack 6, a brake ring 701 is embedded at the top of the gear 7, and the top surface of the brake ring 701 contacts with the bottom surface of the processing table 1, the friction is generated before the braking ring 701 and the processing table 1 to prevent the push plate 5 from shaking easily, one end of the anti-falling baffle 4 is elastically hinged with the limiting pulling piece 8 below the tool rest 3, when one end of a workpiece is attached to the limiting pulling piece 8 and then stops moving, the water gap is positioned below the punching cutter 301, then the lifting frame 2 is used for carrying out downward movement with the punching cutter 301 to cut the water gap, the elastic pressing rod 9 is vertically arranged on the limiting pulling piece 8 in a penetrating manner, the bottom end of the elastic pressing rod 9 penetrates through the processing table 1 to be abutted against the braking ring 701, when the lifting frame 2 is used for carrying out downward movement with the punching cutter 301, the elastic pressing rod 9 is pressed in advance before the water gap is punched, the braking ring 701 on the gear 7 is abutted against by the elastic pressing rod 9 to avoid the movement of the push plate 5 and the limiting pulling piece 8, the stability of the workpiece in the punching process is ensured, the flatness of the notch is improved, and when the water gap is punched and the punching cutter 301 is lifted up after the punching is completed, the elastic compression bar 9 is reset and lifted, and then the push plate 5 is pushed continuously, so that the workpiece can be pushed away from the limit pulling pieces 8 on the two sides directly, and the quick feeding is realized, and the working efficiency is high.

In a further technical scheme of the utility model, a sliding block 10 is fixedly connected between the push plate 5 and the rack 6, a through groove 101 matched with the sliding block 10 is horizontally formed on the processing table 1, and the horizontally arranged through groove 101 can prevent the push plate 5 from shifting when pushing a workpiece, ensure smooth pushing and avoid the occurrence of a clamping phenomenon.

In a further technical scheme of the utility model, the two ends of the bottom of the tool rest 3 are respectively provided with the elastic pressing plate 302, the elastic pressing plates 302 are positioned at the top of the elastic pressing rods 9, and in the downward movement process of the punching cutter 301, the elastic pressing rods 9 are pressed down by the elastic pressing plates 302, so that the downward movement Cheng Bianduan of the punching cutter 301 can be used for rapidly and stably punching injection molding parts with higher water gap positions, and the working efficiency is further improved.

In a further technical scheme of the utility model, a water gap collecting tank 102 and a material conveying tank 103 are arranged at the discharge end of the processing table 1, the water gap collecting tank 102 is positioned in the material conveying tank 103, the depth of the water gap collecting tank 102 is larger than that of the material conveying tank 103, a water gap dropped after punching can directly fall into the water gap collecting tank 102, and a processed workpiece can slide along the material conveying tank 103 under the pushing of a push plate 5, so that subsequent processing is facilitated.

In a further technical scheme of the utility model, an opening 104 is formed at the notch of the water gap collecting tank 102, a plurality of conveying rollers 105 are rotatably connected at the notch of the material conveying tank 103, so that the water gap and the workpiece are separately conveyed, subsequent manual sorting is not needed, and the working strength is reduced.

In a further technical scheme of the utility model, the width of the punching cutter 301 is smaller than the interval between the two limiting poking sheets 8, so that the limiting poking sheets 8 can be prevented from influencing the punching operation of the punching cutter 301.

When the automatic water gap sorting machine is used, a workpiece is required to be placed between two anti-falling baffles 4, then a push plate 5 is pushed to move the workpiece to a punching area, friction is generated before a brake ring 701 on a gear 7 and a processing table 1, the push plate 5 can be prevented from easily shaking, when one end of the workpiece is attached to a limit shifting piece 8 and then stops moving, at the moment, a water gap can be positioned below a punching cutter 301, then a lifting frame 2 is utilized to move downwards with the punching cutter 301, the water gap is subjected to cutting treatment, when the lifting frame 2 is utilized to move downwards, an elastic pressing rod 9 is utilized to press down the elastic pressing rod 3 in advance before the water gap is cut, the brake ring 701 on the gear 7 is abutted against by the elastic pressing rod 9, the push plate 5 and the limit shifting piece 8 are prevented from moving, the stability of the workpiece in the punching process is ensured, the flatness of a notch is improved, after the water gap is lifted up by the punching cutter 301, the elastic pressing rod 9 is continuously pushed to directly push the limit shifting piece 8 on two sides of the workpiece so as to realize quick feeding, the water gap can directly fall into a water gap collecting groove 102, and the processed workpiece can be pushed down by the lifting machine under the pushing of the push plate 5, the manual water gap is separated from the conveying groove 103, the workpiece is not required to be separated, and the subsequent cutting strength is convenient to cut, and cut is convenient.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a die-cut device of trilateral mouth of a river of moulding plastics, includes processing platform (1), its characterized in that:

the automatic punching machine is characterized in that a lifting frame (2) is arranged at the top of the machining table (1), a tool rest (3) is arranged at the bottom of the lifting frame (2), punching cutters (301) are arranged at the bottom of the tool rest (3), anti-falling baffles (4) are symmetrically arranged on the top surface of the machining table (1), a push plate (5) is movably connected between the two anti-falling baffles (4), a rack (6) is arranged at the bottom of the push plate (5) below the machining table (1), gears (7) meshed with the rack (6) are symmetrically and rotatably connected at the bottom of the machining table (1), a brake ring (701) is embedded at the top of the gears (7), and the top surface of the brake ring (701) is contacted with the bottom surface of the machining table (1);

one end of the anti-falling baffle (4) is elastically hinged with a limiting poking piece (8) below the tool rest (3), an elastic pressing rod (9) is vertically and penetratingly arranged on the limiting poking piece (8), and the bottom end of the elastic pressing rod (9) penetrates through the processing table (1) to be abutted against the braking ring (701).

2. The punching device of the three-sided injection molding nozzle according to claim 1, characterized in that a sliding block (10) is fixedly connected between the push plate (5) and the rack (6), and a through groove (101) matched with the sliding block (10) is horizontally formed in the processing table (1).

3. The punching device for the three-sided injection molding nozzle according to claim 1, wherein elastic pressing plates (302) are mounted at two ends of the bottom of the tool rest (3), the elastic pressing plates (302) are located at the top of the elastic pressing rods (9), and the elastic pressing plates (302) press the elastic pressing rods (9) in the downward moving process of the punching tool (301).

4. The three-sided injection molding water gap punching device according to claim 1, wherein a water gap collecting groove (102) and a material conveying groove (103) are formed in the discharge end of the processing table (1), the water gap collecting groove (102) is located in the material conveying groove (103), and the depth of the water gap collecting groove (102) is larger than that of the material conveying groove (103).

5. The three-sided injection nozzle punching device according to claim 4, characterized in that an opening (104) is formed at the notch of the nozzle collecting groove (102), and a plurality of conveying rollers (105) are rotatably connected at the notch of the material conveying groove (103).

6. A die cutting device for three-sided injection gates according to claim 1, characterized in that the width of the die cutting blade (301) is smaller than the distance between the two limit paddles (8).