CN221641493U - Quick demoulding paper mould core - Google Patents

Abstract

The utility model discloses a paper-plastic mould core capable of rapidly demoulding, which comprises a top mould core, wherein the bottom end of the outer wall of the top mould core is fixedly connected with a sleeve frame, the bottom end of the inner wall of the sleeve frame is sleeved with a bottom mould core, the bottom of the bottom mould core is welded with a bottom box, the inner walls of the two ends of the bottom mould core are fixedly connected with a casing, a worker can dismantle the top mould core after taking down all long-axis bolts, then the worker holds a lifting rod by one hand and lifts the lifting rod upwards, at the moment, a sliding plate at the rear end of the sliding block can rapidly slide upwards, a pushing block on a push rod at the top of the sliding plate also can slide upwards, so that a product can be rapidly ejected out of the bottom mould core, the rapid demoulding of the product is realized, the service life of the paper-plastic mould core is prolonged, the installation position of the top mould core can be limited by arranging a connecting structure between the sleeve frame and the bottom mould core, and when the sliding plate slides up and down on the inner wall of the sliding groove, so that the stability of the sliding plate in the sliding process is improved.

Description

Quick demoulding paper mould core

Technical Field

The utility model relates to the technical field of dies, in particular to a paper-plastic die core capable of rapidly demolding.

Background

The paper mold core is a mold for manufacturing paper-plastic composite materials, is usually made of plastic materials such as polyethylene or polypropylene, and has the main functions of helping the paper-plastic composite materials to maintain shape during molding, and influencing the surface quality and physical properties of the paper-plastic composite materials by controlling the roughness, temperature, pressure and other parameters of the mold surface, and the design and manufacture of the paper mold core need to take into consideration many factors such as selection of materials, geometry of the mold, surface treatment, temperature, pressure control and the like, and repeated experiments and adjustments need to be performed during the design and manufacture to ensure the reliability and stability of the mold, and the quality and performance of the paper mold core are one of important tools for manufacturing the paper-plastic composite materials have important influence on the final quality and performance of the paper-plastic composite materials.

Through retrieving, prior art, patent application number CN201721188069.7 discloses a quick mold core subassembly of drawing of patterns, and protruding mold core and die core form the product die cavity when the mould is closed, and the guide bar passes the guiding hole and promotes the floating plate subsides for the step shaft is hidden in the shoulder hole, in order to avoid influencing the injection moulding of product, and during the die sinking, the floating plate loses the suppression of guide bar and come-up under the effect of spring, and the step shaft moves up along the shoulder hole under the effect of floating plate, promotes the product from the terrace die core, realizes quick drawing of patterns, and the structure is succinct, and the stability in use is high, and the back of concave mold core is provided with first installation piece, and the convenience is connected with concave template, the connection cushion back is provided with the second installation piece, and convenient connection with protruding template, concave mold core and guide bar are concentric mutually for the middle part of product forms the through-hole, is fit for the production of moulding plastics of the product that the middle part has the through-hole.

The technical scheme also has the following defects: the spring in this mold core subassembly, after receiving many times to press, can take place deformation, not only can't be ejecting from the shoulder hole with the step shaft, to the product drawing of patterns, the degree of difficulty is higher in dismantling simultaneously, and the staff can't change the spring fast, not only prevents the normal clear of work of moulding plastics, can also reduce this mold core subassembly's life simultaneously.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a quick drawing of patterns's paper mould core, includes the top mould core, top mould core outer wall bottom fixedly connected with cover frame, cover frame inner wall bottom has cup jointed the end mould core, and die block core bottom welding has the end tank, and die block core bottom both ends inner wall equal fixedly connected with cover shell, the equal sliding connection of cover shell inner wall have the ejector pad, end tank inner wall sliding connection has the slide, slide front end center department welding has the slider, and the slider front end welding has the pole of lifting.

As a further description of the above technical solution:

The inner wall of one end of the top die core is fixedly connected with a feeding pipe, a plugging block is sleeved on the inner wall of the feeding pipe, the top of the plugging block is fixedly connected with a top cover, and the inner wall of the top cover is in threaded connection with the top end of the outer wall of the feeding pipe; through setting up the pan feeding pipe, make things convenient for the staff to pour composite material into the mold core inside in unison, the bottom surface of shutoff piece and the bottom surface of pan feeding pipe all set up on same horizontal plane, through setting up the shutoff piece, can carry out the shutoff to composite material in the mold core to prevent that composite material from flowing out from pan feeding pipe.

As a further description of the above technical solution:

The inner wall of the other end of the top die core is fixedly connected with an air outlet pipe, the top end of the inner wall of the air outlet pipe is fixedly connected with a dustproof ventilation net, the bottom end of the inner wall of the air outlet pipe is fixedly connected with a filter screen, and the top end of the outer wall of the air outlet pipe is in threaded connection with a plugging cover; through setting up the outlet duct, the convenience is discharged the gas in the mold core fast.

As a further description of the above technical solution:

The sleeve is fixedly connected to two ends of the inner wall of the sleeve frame, the top ends of the outer walls of two sides of the sleeve frame are welded with the handle frames, and two groups of the sleeve and the handle frames are arranged; through setting up the handle frame, make things convenient for the staff to install and remove the top die core, through setting up the sleeve, can carry out spacingly to the mounted position of inserted bar.

As a further description of the above technical solution:

The bottom ends of the outer walls of the two sides of the bottom die core are welded with bearing plates, the centers of the tops of the bearing plates are welded with inserted bars, the outer walls of the inserted bars are sleeved with the inner walls of the sleeves, the inner walls of the centers of the tops of the inserted bars are connected with long shaft bolts in a threaded manner, and the tops of the long shaft bolts are welded with rotating rods; the top mold core and the bottom mold core can be tightly fixed together by utilizing the connecting structure between the long shaft bolt and the inserted link.

As a further description of the above technical solution:

Push rods are welded at the centers of the bottoms of the push blocks, the bottoms of the push rods are welded with the two ends of the top of the sliding plate, rolling shafts are rotatably connected to the two ends of the inner wall of the sliding plate, sliding grooves are formed in the two sides of the inner wall of the bottom box, and the bottom ends of the outer walls of the rolling shafts are slidably connected with the inner walls of the sliding grooves; through setting up the connection structure between roller bearing and the spout, be favorable to improving the stability of slide in-process from top to bottom.

As a further description of the above technical solution:

the inner wall of the top end of the vertical symmetrical shaft at the front end of the bottom box is fixedly connected with a sliding frame, and the outer wall of the sliding block is in sliding connection with the inner wall of the sliding frame; through setting up the connection structure between slider and the sliding frame, can restrict the range of movement of slide.

Compared with the prior art, the utility model has the beneficial effects that:

(1): after the long shaft bolt is completely taken down by the staff, the top mold core can be removed, then the staff holds the lifting rod by one hand, the lifting rod is lifted upwards, the sliding plate at the rear end of the sliding block can rapidly slide upwards, and meanwhile the pushing block on the push rod at the top of the sliding plate can also slide upwards, so that the product is rapidly ejected out of the bottom mold core, the rapid demolding of the product is realized, and the service life of the paper-plastic mold core is prolonged.

(2): Through setting up the connection structure between cover frame and the die block core, can play spacing effect to the mounted position of top die core, when the slide slides from top to bottom, the roller bearing also can slide from top to bottom at the spout inner wall to improve the stability of slide slip in-process, through set up dustproof ventilation net on outlet duct inner wall top, can prevent that dust in the outside air from falling into in the mold core from outlet duct department, through set up the filter screen in outlet duct inner wall bottom, can filter composite material, thereby prevent that composite material from gushing into in the outlet duct from the outlet duct bottom.

Drawings

FIG. 1 is a three-dimensional view of a paper-plastic mold core with rapid demolding according to the present utility model;

FIG. 2 is a front view of a paper-plastic mold core with quick demolding according to the present utility model;

FIG. 3 is a front cross-sectional view of a quick release paper plastic mold core according to the present utility model;

FIG. 4 is a three-dimensional view of a slide and roller connection structure in a quick release paper-plastic mold core according to the present utility model;

FIG. 5 is an enlarged view of a portion of the area A of FIG. 3 of the paper-plastic mold core with rapid demolding according to the present utility model;

FIG. 6 is an enlarged view of a portion of the area B in FIG. 3 of the rapidly released paper-plastic mold core according to the present utility model;

Fig. 7 is a partial enlarged view of a region C in fig. 3 of the paper-plastic mold core for quick demolding according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Referring to fig. 1-7, one embodiment provided by the present utility model is: the utility model provides a quick drawing of patterns's paper mould core, including top mould core 1, top mould core 1 top one end inner wall fixedly connected with pan feeding pipe 2, through setting up pan feeding pipe 2, make things convenient for the staff to pour composite material into the mold core in unison, pan feeding pipe 2 inner wall has cup jointed shutoff piece 3, the bottom surface of shutoff piece 3 and the bottom surface of pan feeding pipe 2 all set up on same horizontal plane, through setting up shutoff piece 3, can carry out the shutoff to composite material in the mould core, thereby prevent that composite material from flowing out from pan feeding pipe 2, 3 top fixedly connected with top cap 4 of shutoff piece, 4 inner walls of top cap and pan feeding pipe 2 outer wall top threaded connection.

The top mold core 1 top other end inner wall fixedly connected with outlet duct 5, through setting up outlet duct 5, the convenience is discharged gaseous quick in the mold core, outlet duct 5 inner wall top fixedly connected with dustproof ventilation net 6, through setting up dustproof ventilation net 6, can prevent that dust in the outside air from falling into the mold core from outlet duct 5, outlet duct 5 inner wall bottom fixedly connected with filter screen 7, through setting up filter screen 7, can filter combined material, thereby prevent that combined material from surging into outlet duct 5 from outlet duct 5 bottom, outlet duct 5 outer wall top threaded connection has shutoff lid 8, top mold core 1 outer wall bottom fixedly connected with cover frame 9, cover frame 9 inner wall both ends equal fixedly connected with sleeve 10, cover frame 9 both sides outer wall top all welds there is handle frame 11, sleeve 10 and handle frame 11 all are equipped with two sets of.

The bottom mold core 12 has been cup jointed to cover frame 9 inner wall bottom, through setting up the connection structure between cover frame 9 and the die block core 12, can play spacing effect to the mounted position of top mold core 1, the bearing plate 13 has all been welded to die block core 12 both sides outer wall bottom, the equal fixedly connected with inserted bar 14 in bearing plate 13 top center department, inserted bar 14 outer wall all cup joints with sleeve 10 inner wall, inserted bar 14 top center department inner wall equal threaded connection has major axis bolt 15, utilize the connection structure between major axis bolt 15 and the inserted bar 14, can tightly fix top mold core 1 together with die block core 12, major axis bolt 15 top all welds the bull stick 16, inserted bar 14, major axis bolt 15 and bull stick 16 all are equipped with two sets of, through setting up bull stick 16, make things convenient for the staff to rotate major axis bolt 15, die block core 12 bottom welds there is end box 17, the equal fixedly connected with 18 in end mold core 12 bottom both ends inner wall, equal sliding connection has push block 19 in push block 18 bottom center department, push block 19 and push rod 20 all are equipped with two sets, push rod 20 bottom slide 21 has, 21 is connected with slide 22 in the equal rotation of slide.

The spout 23 has all been seted up to the end tank 17 inner wall both sides, roller bearing 22 outer wall bottom all with spout 23 inner wall sliding connection, through setting up the connection structure between roller bearing 22 and the spout 23, be favorable to improving the stability of slide 21 in-process of sliding from top to bottom, when slide 21 upwards slides, push rod 20 and ejector pad 19 also can follow the upward movement together, ejector pad 19 just can release the product from die block core 12 this moment, slide 21 front end center department welding has slider 24, the vertical symmetry axis top inner wall fixedly connected with sliding frame 25 of end tank 17 front end, slider 24 outer wall and sliding frame 25 inner wall sliding connection, slider 24 front end welding has lifting rod 26, the staff singlehanded can hold lifting rod 26, slide the slide 21 of slider 24 bottom.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (7)

1. Quick drawing of patterns's paper mould core, including top mold core (1), its characterized in that: the utility model discloses a mould core, including top mould core (1), bottom mould core (12) bottom welding has base case (17), equal fixedly connected with cover shell (18) of bottom die core (12) bottom both ends inner wall, equal sliding connection of cover shell (18) inner wall has ejector pad (19), base case (17) inner wall sliding connection has slide (21), slide (21) front end center department welding has slider (24), slider (24) front end welding has lifter (26).

2. The rapid release paper-plastic mold core of claim 1, wherein: the novel plastic injection molding machine is characterized in that a feeding pipe (2) is fixedly connected to the inner wall of one end of the top die core (1), a plugging block (3) is sleeved on the inner wall of the feeding pipe (2), a top cover (4) is fixedly connected to the top of the plugging block (3), and the inner wall of the top cover (4) is in threaded connection with the top end of the outer wall of the feeding pipe (2).

3. The rapid release paper-plastic mold core of claim 1, wherein: the novel dustproof mold is characterized in that an air outlet pipe (5) is fixedly connected to the inner wall of the other end of the top mold core (1), a dustproof ventilation net (6) is fixedly connected to the top end of the inner wall of the air outlet pipe (5), a filter screen (7) is fixedly connected to the bottom end of the inner wall of the air outlet pipe (5), and a plugging cover (8) is connected to the top end of the outer wall of the air outlet pipe (5) through threads.

4. The rapid release paper-plastic mold core of claim 1, wherein: sleeve (10) are fixedly connected to the two ends of the inner wall of the sleeve frame (9), handle frames (11) are welded to the top ends of the outer walls of the two sides of the sleeve frame (9), and two groups of sleeve (10) and handle frames (11) are arranged.

5. The rapid release paper-plastic mold core of claim 4, wherein: the bottom die is characterized in that bearing plates (13) are welded at the bottom ends of the outer walls of the two sides of the bottom die core (12), inserted bars (14) are welded at the centers of the tops of the bearing plates (13), the outer walls of the inserted bars (14) are sleeved with the inner walls of the sleeves (10), long shaft bolts (15) are connected with the inner walls of the centers of the tops of the inserted bars (14) in a threaded mode, and rotating rods (16) are welded at the tops of the long shaft bolts (15).

6. The rapid release paper-plastic mold core of claim 1, wherein: push rod (20) have all been welded in push block (19) bottom center department, push rod (20) bottom all with slide (21) top both ends welding, slide (21) inner wall both ends all rotate and are connected with roller bearing (22), spout (23) have all been seted up to base case (17) inner wall both sides, roller bearing (22) outer wall bottom all with spout (23) inner wall sliding connection.

7. The rapid release paper-plastic mold core of claim 1, wherein: the sliding frame (25) is fixedly connected to the inner wall of the top end of the vertical symmetry axis at the front end of the bottom box (17), and the outer wall of the sliding block (24) is in sliding connection with the inner wall of the sliding frame (25).