CN213006315U

CN213006315U - Glue feeding structure of injection mold

Info

Publication number: CN213006315U
Application number: CN202021007248.8U
Authority: CN
Inventors: 甘志华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-20
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a glue feeding structure of injection mould belongs to the injection mould field, the on-line screen storage device comprises a base, the equal fixed mounting in base upside four corners outer wall has the slide bar, the roof has been cup jointed in the activity of slide bar outer wall, the fixed cover of roof downside slide bar outer wall has the spring, roof right side front end outer wall fixed mounting has switch A, switch A left side fixed mounting has switch B, roof center downside outer wall fixed mounting has the top mould, the inside all fixed mounting of roof and top mould advances gluey groove, it has the fixed plate to advance gluey groove upper end roof outer wall fixed mounting, the inside fixed mounting in fixed plate left and right sides has fluting A. Through setting up the gluey groove of advancing and embedded fixed knot structure of being convenient for come unstuck, improved the practicality of advancing gluey structure and mould.

Description

Glue feeding structure of injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold advances glued structure.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various designs and colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like, and the method can be used for stirring completely molten plastic materials by a screw at a certain temperature, injecting the plastic materials into a mold cavity by high pressure, cooling and solidifying to obtain molded products. The method is suitable for mass production of parts with complex shapes, and is one of important processing methods.

Patent CN201821445907.9 discloses an injection mold advances glued structure, should advance glued structure to in order improving production efficiency, a plurality of plastic products producers all can design a plurality of forming chambers in a set of mould. When the mold is manufactured, the defect of uneven glue feeding is often caused due to the influence of the production process of the mold, so that the consistency of the molded products in the same batch is poor, qualified products and unqualified products are more likely to be molded simultaneously, the qualified products and the unqualified products can be completely hidden in the holes of the runner insert by rotating the adjusting valve screw, and the glue can smoothly flow into the molding chamber of the mold; the adjusting valve screw can also be rotated to enable the adjusting valve screw to be flush with the parting surface of the mold, so that the colloid does not flow into the molding chamber of the mold or only slightly enters the molding chamber of the mold, the colloid flow control effect is achieved, and the requirements of manufacturers are met.

The glue inlet structure has the following defects: 1. above-mentioned advance glued structure be not convenient for come unstuck, and after the completion of moulding plastics, fashioned plastic product has with advance jiao kou department and is connected, need use other equipment to cut, wastes time and energy, has reduced the practicality of advancing glued structure. 2. The aforesaid advances glued structure is not convenient for as required injection mold's size in size of size change die cavity to can only mould plastics out the plastic product of a size on a mould, when the not unidimensional product of moulding plastics of needs, then need use not unidimensional kind's mould, reduced the effect of processing, reduced the practicality of structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a glue feeding structure of an injection mould, which aims to adopt a glue feeding groove with a shape convenient for demoulding, when the injection is started, plastic is injected into the glue feeding groove from a groove A, a switch A is pressed to control the motor to operate through a controller, the motor operates to drive a lower end rotating rod to rotate, the rotating rod rotates to drive a declination type rotating blade with external fixed installation to rotate, the plastic is driven to extrude and move downwards in the funnel-shaped glue feeding groove, a switch B is pressed to control the heating iron wire to be electrified and heated through the controller, the heat heated by the heating iron wire is emitted from a top mould in a groove B fixedly arranged at the right side, the plastic in the glue feeding groove is continuously heated, the plastic is prevented from being partially cooled and stuck on the inner wall of the glue feeding groove, the plastic flows into the mould groove from the lower side of the glue feeding groove, the plastic is gradually formed, the motor is stopped to rotate by pressing the switch A, the plastic is not extruded downwards, the, make the plastic at the die cavity internal cooling shaping, loosen the pressure to the roof, the spring upwards promotes the roof with elastic potential energy conversion for kinetic energy, the roof drives the downward quick travel of ejector die, because it is the sharp tip of funnel to advance gluey groove lower extreme egress opening, it is thinner to advance gluey groove lower extreme refrigerated plastic and die cavity in product connection end, the unnecessary plastic that will connect when the rapid rebound of ejector die is broken rapidly, thereby the plastic of taking along of product has been avoided, direct forming, the process of cutting once more has been saved, the efficiency of processing has been improved, the practicality of advancing gluey structure has been increased.

Through embedded fixed knot structure, when the plastic product of unidimensional thickness not needs to be produced, before moulding plastics, use external pressure equipment to bulldoze the roof downwards, the roof moves down and drives top mould downstream, top mould downstream drives downside fixed mounting's picture peg slow moving downwards all around, the picture peg slowly injects in the inside slot A all around of die block downwards, the degree of depth of inserting downwards of control picture peg as required, make picture peg outside fixed mounting's slot C align with slot B of co-altitude not, inwards run through slot B and slot C with the inserted bar, fix the top mould at the relative height different with the die block, thereby make the thickness of die cavity different, on a mould alright carry out the processing of unidimensional plastic product not, the efficiency of processing has been improved.

The utility model provides a specific technical scheme as follows:

the utility model provides a glue feeding structure of an injection mold, which comprises a base, slide bars are fixedly arranged on the outer walls of four corners at the upper side of the base, a top plate is movably sleeved on the outer wall of the slide bars, springs are fixedly sleeved on the outer wall of the slide bars at the lower side of the top plate, a switch A is fixedly arranged on the outer wall of the front end at the right side of the top plate, a switch B is fixedly arranged on the left side of the switch A, a top mold is fixedly arranged on the outer wall of the lower side of the center of the top plate, glue feeding grooves are fixedly arranged in the top plate and the top mold, a fixed plate is fixedly arranged on the outer wall of the top plate at the upper end of the glue feeding grooves, a motor is fixedly arranged on the outer wall of the center at the upper end of the fixed plate, the lower end of the, the inside fixed mounting of fixed slot has the heating iron wire, fixed slot right-hand member lateral wall fixed mounting has fluting B, base center upper end outer wall fixed mounting has the die block, the inside fixed mounting in die block upper end has the die cavity, and inside fixed mounting has slot A around the die block upside, top mould downside is outside all around run through slot A and is installed the picture peg, the inside fixed mounting in picture peg lower extreme outside has slot C, slot A lateral wall fixedly connected with slot B, slot B and the inside cartridge of slot C have the inserted bar.

Optionally, the glue inlet groove is funnel-shaped.

Optionally, the size of the slot B and the slot C is matched with the size of the inserted rod to form an embedded fixing structure.

Optionally, eight groups of the slots a are fixedly mounted and uniformly distributed.

Optionally, the switch a and the switch B input pass through the wire and constitute the electricity and be connected with external power, switch a's output passes through the wire with the input of motor and constitutes the electricity and be connected, switch B's output passes through the wire with the input of heating iron wire and constitutes the electricity and be connected.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides an injection mould advances glued structure, through the glue feeding groove of the convenient drawing of patterns shape, when beginning to mould plastics, pour into the plastic into from fluting A to the glue feeding groove, press switch A through controller control motor operation, motor operation drives lower extreme bull stick rotation, the bull stick rotation drives the downtilt formula runner rotation of outside fixed mounting, drive the plastic and extrude the removal downwards in the glue feeding groove of infundibulate, press switch B through controller control heating iron wire circular telegram heating, the heat that heats the iron wire heating distributes in the fluting B roof mould of right side fixed mounting, to advancing the plastic sustained heating in the glue feeding groove, avoid plastic part cooling to glue at the glue feeding inslot wall, the plastic flows into the mould groove from the glue feeding groove downside, the gradual shaping, press switch A to stop motor rotation, make the plastic not extrude downwards, press switch B to stop heating the iron wire heating, make the plastic at the die cavity internal cooling shaping, loosen the pressure to the roof, the spring upwards promotes the roof with elastic potential energy conversion for kinetic energy, the roof drives the downward quick travel of ejector die, because it is the sharp tip of funnel to advance gluey groove lower extreme egress opening, it is thinner to advance gluey groove lower extreme refrigerated plastic and die cavity in product connection end, the unnecessary plastic that will connect when the rapid rebound of ejector die is broken rapidly, thereby the plastic of taking along of product has been avoided, direct forming, the process of cutting once more has been saved, the efficiency of processing has been improved, the practicality of advancing gluey structure has been increased.

2. Through embedded fixed knot structure, when the plastic product of unidimensional thickness not needs to be produced, before moulding plastics, use external pressure equipment to bulldoze the roof downwards, the roof moves down and drives top mould downstream, top mould downstream drives downside fixed mounting's picture peg slow moving downwards all around, the picture peg slowly injects in the inside slot A all around of die block downwards, the degree of depth of inserting downwards of control picture peg as required, make picture peg outside fixed mounting's slot C align with slot B of co-altitude not, inwards run through slot B and slot C with the inserted bar, fix the top mould at the relative height different with the die block, thereby make the thickness of die cavity different, on a mould alright carry out the processing of unidimensional plastic product not, the efficiency of processing has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of an injection mold glue feeding structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a partially enlarged structure a in fig. 1 of a glue inlet structure of an injection mold according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure B in fig. 1 of a glue feeding structure of an injection mold according to an embodiment of the present invention.

In the figure: 1. a base; 2. a slide bar; 3. a spring; 4. a top plate; 5. a switch A; 6. a switch B; 7. carrying out top die; 8. a glue inlet groove; 9. a fixing plate; 10. grooving A; 11. a motor; 12. a rotating rod; 13. rotating the leaves; 14. fixing grooves; 15. heating the iron wire; 16. grooving B; 17. a die cavity; 18. a slot A; 19. inserting plates; 20. a slot B; 21. a slot C; 22. inserting a rod; 23. and (4) a bottom die.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An injection mold glue injection structure according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an injection mold glue feeding structure provided by the embodiment of the present invention comprises a base 1, slide bars 2 are fixedly installed on the outer walls of four corners of the upper side of the base 1, a top plate 4 is movably sleeved on the outer wall of each slide bar 2, a spring 3 is fixedly sleeved on the outer wall of each slide bar 2 under the top plate 4, a switch a5 is fixedly installed on the outer wall of the front end of the right side of the top plate 4, a switch B6 is fixedly installed on the left side of a switch a5, a top mold 7 is fixedly installed on the outer wall of the lower side of the center of the top plate 4, a glue feeding groove 8 is fixedly installed inside each top plate 4 and the top mold 7, a fixing plate 9 is fixedly installed on the outer wall of the top plate 4 at the upper end of the glue feeding groove 8, a slotted a10 is fixedly installed inside the left side of the fixing plate 9, a motor 11 is fixedly installed on the outer wall of the center of, 14 inside fixed mounting of fixed slot has

heating iron wire

15, 14 right-hand member lateral wall fixed mounting of fixed slot has fluting B16, base 1 center upper end outer wall fixed mounting has die block 23, the inside fixed mounting in die block 23 upper end has die cavity 17, die block 23 upside is inside fixed mounting all around there is slot A18, top mould 7 downside is outside all around run through slot A18 and is installed picture peg 19, the inside fixed mounting in picture peg 19 lower extreme outside has slot C21, slot A18 lateral wall fixedly connected with slot B20, the inside cartridge of slot B20 and slot C21 has inserted bar 22.

Referring to fig. 1 and 2, the glue inlet groove 8 is funnel-shaped, when injection molding is started, plastic is injected into the glue inlet groove 8 from a groove a10, a switch a5 is pressed to control a motor 11 to operate through a controller, the motor 11 operates to drive a lower end rotating rod 12 to rotate, the rotating rod 12 rotates to drive a downward-inclined rotating blade 13 fixedly arranged outside to rotate, the plastic is driven to downwards extrude and move in the funnel-shaped glue inlet groove 8, a switch B6 is pressed to control a heating iron wire 15 to be electrically heated through the controller, heat generated by heating the heating iron wire 15 is dissipated from a top mold 7 in a groove B16 fixedly arranged at the right side, the plastic in the glue inlet groove 8 is continuously heated, the plastic is prevented from being cooled and adhered to the inner wall of the glue inlet groove 8, the plastic flows into a mold groove 17 from the lower side of the glue inlet groove 8 to be gradually molded, the switch a5 is pressed to stop the motor 11 rotating, the plastic is not extruded downwards, the heating iron wire 15 is stopped by a switch B6, make the plastic at the internal cooling shaping of die cavity 17, loosen the pressure to roof 4, spring 3 converts elastic potential energy into kinetic energy and upwards promotes roof 4, roof 4 drives the downward quick travel of top mould 7, because it is the sharp thin end of funnel to advance 8 lower extreme egress openings in gluey groove, it is thinner to advance 8 lower extreme refrigerated plastics in gluey groove and the die cavity 17 product link, the unnecessary plastic that will connect is broken rapidly in top mould 7 rapid rebound, thereby the plastic of taking in connection of product has been avoided, direct forming, the process of cutting once more has been saved, the efficiency of processing has been improved, the practicality of advancing glued structure has been increased.

Referring to fig. 1 and 2, when plastic products with different sizes and thicknesses are to be produced, an external pressure device is used to push the top plate 4 downward before injection molding, the top plate 4 moves downward to drive the top mold 7 to move downward, the top mold 7 moves downward to drive the insert plate 19 fixedly mounted around the lower side to move downward slowly, the insert plate 19 is inserted into the slot a18 inside the periphery of the bottom mold 23 slowly, the depth of the insert plate 19 inserted downward is controlled as required, the slot C21 fixedly mounted on the outer side of the insert plate 19 is aligned with the slot B20 with different heights, the insert rod 22 penetrates through the slot B20 and the slot C21 inward, the top mold 7 is fixed at a different relative height from the bottom mold 23, so that the thickness of the mold slot 17 is different, and the plastic products with different sizes can be processed on one mold, the efficiency of processing is improved

Referring to fig. 1 and 3, eight groups of slots a10 are fixedly installed and uniformly distributed, when injection molding is started, plastic is injected into the glue inlet slot 8 from the slot a10, the motor 11 is controlled to operate by pressing the switch a5 through the controller, the motor 11 operates to drive the lower rotating rod 12 to rotate, the rotating rod 12 rotates to drive the downward-inclined rotating blade 13 fixedly installed outside to rotate, the plastic is driven to extrude and move downwards in the funnel-shaped glue inlet slot 8, the pressing switch B6 controls the heating iron wire 15 to be electrically heated through the controller, the heat heated by the heating iron wire 15 is emitted from the top mold 7 in the slot B16 fixedly installed at the right side, the plastic in the glue inlet slot 8 is continuously heated, the plastic is prevented from being partially cooled and adhered to the inner wall of the glue inlet slot 8, the plastic flows into the mold slot 17 from the lower side of the glue inlet slot 8 and is gradually molded, the motor 11 stops rotating by pressing the switch a5, the plastic is not extruded downwards, the heating iron wire 15 stops heating by pressing the switch B6, make the plastic at the internal cooling shaping of die cavity 17, loosen the pressure to roof 4, spring 3 converts elastic potential energy into kinetic energy and upwards promotes roof 4, roof 4 drives the downward quick travel of top mould 7, because it is the sharp thin end of funnel to advance 8 lower extreme egress openings in gluey groove, it is thinner to advance 8 lower extreme refrigerated plastics in gluey groove and the die cavity 17 product link, the unnecessary plastic that will connect is broken rapidly in top mould 7 rapid rebound, thereby the plastic of taking in connection of product has been avoided, direct forming, the process of cutting once more has been saved, the efficiency of processing has been improved, the practicality of advancing glued structure has been increased.

Referring to fig. 1, the input terminals of the switch a5 and the switch B6 are electrically connected with an external power supply through conducting wires, the output terminal of the switch a5 is electrically connected with the input terminal of the motor 11 through conducting wires, and the output terminal of the switch B6 is electrically connected with the input terminal of the heating wire 15 through conducting wires.

The switch A5, the switch B6, the motor 11 and the heating iron wire 15 are products in the prior art, the model of the motor A11 is HD2401-24, the manufacturer is Anchuan, the model of the switch A5 and the model of the switch B6 are LA38-11DN, the manufacturer is Mixi, and the model of the heating iron wire 15 is WH-VI-80, which is not described again.

The embodiment of the utility model provides an injection mold advances glued structure, when the plastic product of different size thickness needs to be produced, before moulding plastics, use external pressure equipment to bulldoze roof 4 downwards, roof 4 moves down and drives top mould 7 and move down, top mould 7 moves down and drives the lower side picture peg 19 of fixed mounting all around slowly moving down, picture peg 19 slowly injects in bottom mould 23 inside slot A18 all around downwards, control the depth that picture peg 19 injects downwards as required, make the slot C21 of the fixed mounting in the outside of picture peg 19 align with the slot B20 of different heights, with inserted bar 22 inwards run through slot B20 and slot C21, fix top mould 7 at the relative height different with bottom mould 23, thereby make the thickness of die groove 17 different, when beginning moulding plastics, inject the plastic from fluting A10 to advancing the gluey inslot 8, press switch A5 and pass through controller control motor 11 and move, the motor 11 operates to drive the lower end rotating rod 12 to rotate, the rotating rod 12 rotates to drive the downward-inclined rotating blade 13 fixedly arranged outside to rotate, plastic is driven to downwards extrude and move in the funnel-shaped glue inlet groove 8, the switch B6 is pressed to control the heating iron wire 15 to be electrified and heated through the controller, the heat heated by the heating iron wire 15 is dissipated from the top die 7 in the groove B16 fixedly arranged on the right side to continuously heat the plastic in the glue inlet groove 8, the plastic is prevented from being partially cooled and adhered to the inner wall of the glue inlet groove 8, the plastic flows into the die groove 17 from the lower side of the glue inlet groove 8 to be gradually formed, the switch A5 is pressed to stop the motor 11 from rotating, the plastic is not downwards extruded, the switch B6 is pressed to stop heating the iron wire 15 to be adhered to heat the plastic, the plastic is cooled and formed in the die groove 17, the pressure on the top plate 4 is released, the spring 3 converts the elastic potential energy into kinetic energy to upwards push the top plate, because the outflow port at the lower end of the glue inlet groove 8 is a sharp end of the funnel, the plastic cooled at the lower end of the glue inlet groove 8 is thinner than the connecting end of the product in the die groove 17, and the connected redundant plastic is rapidly pulled apart while the top die 7 rapidly moves upwards, thereby avoiding the plastic-associated product from being directly molded.

It should be noted that, the utility model relates to an injection mold advances glued structure, including switch A5, switch B6, motor 11 and heating iron wire 15, the part is general standard component or the part that technical staff in this field knows, and its structure and principle all can all be known or can be known through conventional experimental method for this technical staff through the technical manual.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an injection mould advances glued structure, a serial communication port, advance glued structure includes base (1), base (1) upside four corners outer wall all fixed mounting has slide bar (2), slide bar (2) outer wall activity has cup jointed roof (4), roof (4) downside slide bar (2) outer wall fixed coupling has spring (3), roof (4) right side front end outer wall fixed mounting has switch A (5), switch A (5) left side fixed mounting has switch B (6), roof (4) center downside outer wall fixed mounting has top mould (7), roof (4) and top mould (7) inside all fixed mounting have into gluey groove (8), it has fixed plate (9) to advance gluey groove (8) upper end roof (4) outer wall fixed mounting, the inside fixed mounting in fixed plate (9) left and right sides has fluting A (10), fixed plate (9) upper end center outer wall fixed mounting has motor (11), motor (11) lower extreme runs through fixed plate (9) and rotates and install bull stick (12), bull stick (12) outer wall fixed mounting has commentaries on classics leaf (13), it has fixed slot (14) to advance gluey groove (8) left side top mould (7) inside fixed mounting, fixed slot (14) inside fixed mounting has heating iron wire (15), fixed slot (14) right-hand member lateral wall fixed mounting has fluting B (16), base (1) center upper end outer wall fixed mounting has die block (23), die block (23) upper end inside fixed mounting has die groove (17), die block (23) upside is inside fixed mounting all around has slot A (18), top mould (7) downside is outside all around runs through slot A (18) and installs picture peg (19), picture peg (19) lower extreme outside inside fixed mounting has slot C (21), the outer side wall of the slot A (18) is fixedly connected with a slot B (20), and the inside of the slot B (20) and the slot C (21) is inserted with an insertion rod (22).

2. An injection mould gate structure according to claim 1, characterized in that the gate groove (8) is funnel-shaped.

3. The injection mold gate structure according to claim 1, wherein the size of the slots B (20) and C (21) is identical to the size of the plug rod (22) to form an embedded fixing structure.

4. The injection mold gate structure according to claim 1, characterized in that eight groups of slots A (10) are fixedly installed and evenly distributed.

5. The injection mold gate structure according to claim 1, wherein the input terminals of the switch a (5) and the switch B (6) are electrically connected with an external power source through a lead, the output terminal of the switch a (5) is electrically connected with the input terminal of the motor (11) through a lead, and the output terminal of the switch B (6) is electrically connected with the input terminal of the heating wire (15) through a lead.