CN115179499A

CN115179499A - Device for relieving extrusion deformation of steel material caused by different pressure difference of cavity of injection mold

Info

Publication number: CN115179499A
Application number: CN202210774505.8A
Authority: CN
Inventors: 郭超
Original assignee: Shenzhen Jingding Industrial Technology Co ltd
Current assignee: Shenzhen Jingding Industrial Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-14

Abstract

The invention discloses a device for relieving the extrusion deformation of steel materials caused by the difference of cavity pressure by an injection mold, comprising an injection molding lower template, an injection molding shell, a fixing component, a pressure relief and demoulding component, a glue flow regulating component, a limit post, an injection molding The upper mold and the injection hole, the injection molding shell is provided at the top center of the injection molding lower template, and the top of the injection molding lower template is evenly provided with a limiting column. It avoids the pressure difference in the cavity and the extrusion deformation of the steel material, thereby improving the qualification rate of injection molding processing. The fixed component is used to fix the injection mold on the injection platform, which simplifies the installation and disassembly process. , reduce the labor intensity of the staff to maintain the mold, and use the set pressure relief and mold release component to automatically release the mold after injection molding, so as to avoid scratches on the surface of the product caused by manual mold release, thereby ensuring the appearance of the product after demolding. quality.

Description

Device for relieving extrusion deformation of steel material caused by different pressure differences of cavities of injection mold

Technical Field

The invention relates to the technical field of injection molds, in particular to a device for relieving extrusion deformation of steel materials caused by different pressure differences of cavities of an injection mold.

Background

The injection molding is also called injection molding, and is a molding method combining injection molding and molding, and has the advantages of high production speed, high efficiency, automation in operation, multiple designs and colors, simple and complex shapes, large and small sizes, accurate product size, easy replacement of products, and capability of forming products with complex shapes.

Disclosure of Invention

The invention aims to provide a device for relieving extrusion deformation of steel materials caused by different pressure differences of cavities of an injection mold, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an injection mold alleviates different device that leads to steel material extrusion deformation of die cavity pressure differential, moulds shell, fixed subassembly, pressure release drawing of patterns subassembly, glue flow adjustment assembly, spacing post, spacing platform, mount, the upper mould that moulds plastics, spacing hole, handle and the hole of moulding plastics including the lower bolster of moulding plastics, mould plastics that the top center department of lower bolster of moulding plastics is provided with moulds the shell, and evenly is provided with spacing post at the top of the lower bolster of moulding plastics, and sliding connection has spacing platform in the through-hole that the lower bolster bottom four corners was seted up of moulding plastics, and the threaded groove that spacing bench portion was seted up in the cooperation be connected with the mount, the bottom of mount and the top of the lower bolster of moulding plastics laminate each other, and spacing bench is installed on the fixed casing in fixed subassembly.

Preferably, fixed subassembly comprises fixed casing, regulation support, regulation lead screw, regulating block, connecting axle, runner, grip block, fixed plate and bottom plate, and the inside top symmetry of fixed casing is provided with the regulation support, and is connected with the regulation lead screw through the bearing cooperation on the regulation support, is provided with the regulating block on the regulation lead screw, and the ball nut of the inside embedding installation of regulating block is connected with the mutual cooperation of regulation lead screw, and the bottom of regulating block is provided with the grip block.

Preferably, the bottom of fixed casing is provided with the bottom plate, and the bottom plate has seted up logical groove with the junction of regulating block, bottom one side fixedly connected with fixed plate of bottom plate, and the through-hole of seting up on one side of the fixed casing rotates and is connected with the connecting axle, and the one end fixedly connected with runner of connecting axle, the one end of other end fixed connection regulation lead screw of connecting axle.

Preferably, annotate drawing of patterns support among the logical groove fixedly connected with pressure release drawing of patterns subassembly that the mould top was seted up, pressure release drawing of patterns subassembly comprises drawing of patterns support, drawing of patterns slider, drawing of patterns cylinder, cylinder support, pressure release cylinder and pressure release slider, and sliding connection has the drawing of patterns slider in the drawing of patterns support, and the bottom fixed connection of drawing of patterns slider is on the output of drawing of patterns cylinder, and the bottom of drawing of patterns cylinder is provided with cylinder support, and cylinder support fixed mounting is in the bottom of the mould of annotating.

Preferably, the bottom center department of cylinder support is provided with the pressure release support, and the bilateral symmetry of pressure release support is provided with the pressure release cylinder, and the output fixedly connected with pressure release slider of pressure release cylinder, and pressure release slider sliding connection is in the pressure release groove of moulding plastics the shell both sides and seting up.

Preferably, the injection upper die is placed at the top of the injection lower die plate, the four corners of the top of the injection upper die are provided with limiting holes, the limiting holes are connected with limiting columns in a sliding mode, and the injection upper die is symmetrically provided with grips at two sides of the top.

Preferably, the fixed sliding support who has connect among the glue flow adjusting part that has cup jointed in the logical groove that mould top one side was seted up on the injection molding, glue flow adjusting part comprises sliding support, sliding block, regulation steel sheet, screw bracket, elevating screw, dwang, connecting plate and elevator block, and sliding connection has the sliding block among the sliding support, and the bottom of sliding block is provided with the regulation steel sheet, adjusts the inner wall of steel sheet and sliding support and laminates each other.

Preferably, one side top of sliding block is provided with the connecting plate, and the fixed elevator that has cup jointed in the logical groove that the connecting plate top was seted up, and the elevator is connected on lead screw through the ball nut cooperation of inside embedding installation, and the fixed dwang that has cup jointed in the recess that the lead screw top was seted up, and lead screw passes through the bearing and rotates the connection on screw bracket, and screw bracket's bottom is fixed in the top one side of the mould of moulding plastics, and the hole of moulding plastics has been seted up to the top opposite side of the mould of moulding plastics.

Compared with the prior art, the invention has the beneficial effects that: the device for relieving the pressure difference of the cavity and causing the extrusion deformation of the steel material of the injection mold, the lifting screw is driven to rotate in the screw rod support by rotating the rotating rod, the lifting screw and the lifting block are further utilized to be mutually matched, the lifting block and the connecting plate are driven to vertically move along the direction of the lifting screw, the sliding block is enabled to vertically move in the sliding support, the position of an adjusting steel plate in the cavity is adjusted, the glue flow direction in the cavity is adjusted, the extrusion deformation of the steel material caused by the pressure difference in the cavity is avoided, the qualification rate of injection molding processing is improved, the connecting shaft and the adjusting screw are driven to rotate by rotating the rotating wheel, then the adjusting block and the clamping block are driven to move along the direction of the adjusting screw by the interaction of the adjusting screw and the adjusting block, then the injection mold is fixed on an injection platform by the mutual matching of the clamping block and the fixed plate, the process of installation and disassembly is simplified, the labor intensity of workers for maintaining the mold is reduced, the pressure relief cylinder is utilized for driving the pressure relief slider to move, the pressure relief slider to be mutually separated from a pressure relief groove, the appearance of a product is prevented from being adhered on the injection mold, and the quality of the product after the product is automatically demolded.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

FIG. 3 is an enlarged view of a portion of the area B in FIG. 1;

FIG. 4 is a three-dimensional view of the overall structure of the present invention;

FIG. 5 is a schematic view of the mounting of the stripper bracket of the present invention;

FIG. 6 is an enlarged view of a portion of the area C in FIG. 5;

in the figure: 1. injection molding a lower template; 2. injecting a plastic shell; 3. a fixing assembly; 4. a pressure relief demolding assembly; 5. a glue flow regulating assembly; 6. a limiting post; 7. a limiting table; 8. a fixed mount; 9. injection molding an upper mold; 10. a limiting hole; 11. a grip; 12. injection molding holes; 301. a stationary housing; 302. adjusting the bracket; 303. adjusting the lead screw; 304. an adjusting block; 305. a connecting shaft; 306. a rotating wheel; 307. a clamping block; 308. a fixing plate; 309. a base plate; 401. demolding the support; 402. demoulding the slide block; 403. a demoulding cylinder; 404. a cylinder support; 405. a pressure relief bracket; 406. a pressure relief cylinder; 407. a pressure relief slider; 501. a sliding bracket; 502. a sliding block; 503. adjusting the steel plate; 504. a lead screw bracket; 505. lifting a screw rod; 506. rotating the rod; 507. a connecting plate; 508. a lifting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a device for relieving extrusion deformation of steel materials caused by different pressure differences of cavities of an injection mold comprises an injection lower template 1, an injection molding shell 2, a fixing component 3, a pressure relief demolding component 4, a glue flow adjusting component 5, a limiting column 6, a limiting table 7, a fixing frame 8, an injection upper mold 9, a limiting hole 10, a handle 11 and an injection hole 12, wherein the injection molding shell 2 is arranged at the center of the top of the injection lower template 1, the limiting column 6 is uniformly arranged at the top of the injection lower template 1, the limiting table 7 is connected in sliding in through holes formed in four corners of the bottom of the injection lower template 1, the fixing frame 8 is connected in matching in a threaded groove formed in the top of the limiting table 7, the bottom of the fixing frame 8 is mutually attached to the top of the injection lower template 1, the limiting table 7 is arranged on a fixing shell 301 in the fixing component 3, and the connecting shaft component 3 consists of a fixing shell 301, an adjusting support 302, an adjusting screw rod 303, an adjusting block 304, a rotating wheel 305, a rotating wheel 306, a clamping block 307, a fixing plate 308 and a bottom plate 309, the top end inside the fixed shell 301 is symmetrically provided with adjusting brackets 302, the adjusting brackets 302 are connected with an adjusting screw 303 through bearings in a matching way, the adjusting screw 303 is provided with an adjusting block 304, a ball nut embedded and installed inside the adjusting block 304 is mutually matched and connected with the adjusting screw 303, the bottom of the adjusting block 304 is provided with a clamping block 307, the adjusting bracket 302 is used for fixing and installing the adjusting screw 303, the bottom of the fixed shell 301 is provided with a bottom plate 309, the joint of the bottom plate 309 and the adjusting block 304 is provided with a through groove, one side of the bottom plate 309 is fixedly connected with a fixed plate 308, one side of the fixed shell 301 is provided with a through hole in a rotating way and connected with a connecting shaft 305, one end of the connecting shaft 305 is fixedly connected with a rotating wheel 306, and the other end of the connecting shaft 305 is fixedly connected with one end of the adjusting screw 303, the injection molding device is characterized in that a rotating wheel 306 is arranged to drive a connecting shaft 305 and an adjusting screw 303 to rotate, a demolding support 401 in a pressure relief demolding assembly 4 is fixedly connected to a through groove formed in the top of an injection molding case 2, the pressure relief demolding assembly 4 comprises a demolding support 401, a demolding sliding block 402, a demolding cylinder 403, a cylinder support 404, a pressure relief support 405, a pressure relief cylinder 406 and a pressure relief sliding block 407, the demolding cylinder 402 is connected to the demolding support 401 in a sliding manner, the bottom of the demolding cylinder 402 is fixedly connected to the output end of the demolding cylinder 403, the cylinder support 404 is fixedly arranged at the bottom of the injection molding case 2, the pressure relief cylinder 404 is arranged to facilitate fixed installation of the demolding cylinder 403, the pressure relief support 405 is arranged in the center of the bottom of the cylinder support 404, the pressure relief cylinder 406 is symmetrically arranged on handles of the pressure relief support 405, the pressure relief sliding block 407 is fixedly connected to pressure relief grooves formed in two sides of the injection molding case 2, the pressure relief sliding block 407 is driven to move by the pressure relief cylinder 406, the pressure relief cylinder 406 is prevented from being attached to a lower mold shell 2 due to air pressure, a top of an injection molding mold lifting adjusting screw 10, a limiting block 5 is arranged in a sliding manner that a sliding hole is arranged on a top of a limiting block 501 and a limiting block 5 is arranged on a four-adjusting screw 501, and a limiting block 5 is arranged on the injection molding mold 501, and a four-adjusting screw, sliding connection has sliding block 502 in sliding bracket 501, and the bottom of sliding block 502 is provided with adjusts steel sheet 503, adjust steel sheet 503 and sliding bracket 501's inner wall and laminate each other, the sliding bracket 501 who utilizes to set up is favorable to leading and spacing sliding block 502, one side top of sliding block 502 is provided with connecting plate 507, and fixed the cup jointing has elevator 508 in the logical groove of seting up at connecting plate 507 top, elevator 508 connects on elevator 505 through the ball nut cooperation of inside embedding installation, and fixed the cup jointing has dwang 506 in the recess of seting up at elevator 505 top, elevator 505 rotates through the bearing and connects on screw bracket 504, and the bottom of screw bracket 504 is fixed in top one side of moulding plastics upper die 9, injection molding hole 12 has been seted up to the top opposite side of moulding plastics upper die 9, the injection molding hole 12 who utilizes to set up is favorable to leading-in the die cavity that forms between injection molding plastics upper die 9 and the shell 2 with the injection molding compound.

The working principle is as follows: when the injection molding device is used, firstly, the fixed shell 301 is placed on an injection molding platform, the bottom plate 309 and the top of the injection molding platform are attached to each other, meanwhile, the fixed plate 308 is attached to one side of the injection molding platform, then, the rotating wheel 306 is rotated to drive the connecting shaft 305 and the adjusting screw 303 to rotate, then, the adjusting screw 303 and the adjusting block 304 are driven to move along the direction of the adjusting screw 303 by the interaction of the adjusting screw 303 and the adjusting block 307, then, the injection molding mold is fixed on the injection molding platform through the mutual matching of the clamping block 307 and the fixed plate 308, the mounting and dismounting processes are simplified, the labor intensity of a worker for maintaining the mold is reduced, then, the injection molding lower template 1 is placed at the top of the fixed shell 301, the limiting table 7 is positioned in through holes formed at four corners of the bottom of the injection molding lower template 1, then, the fixing frame 8 is mounted on the limiting table 7, and the injection molding lower template 1 is fixedly mounted at the top of the fixed shell 301, when in injection molding, the injection upper mold 9 is made to be close to the injection lower mold plate 1 downwards, meanwhile, the limit column 6 is connected in the limit hole 10 on the injection upper mold 9 in a sliding manner, when the injection upper mold 9 is attached to the injection lower mold plate 1, a cavity is formed between the injection upper mold 9 and the injection shell 2, then injection molding glue is filled into the cavity through the injection hole 12, in the injection molding process, the rotating rod 506 is rotated to drive the lifting screw 505 to rotate in the screw bracket 504, further the lifting screw 505 is matched with the lifting block 508 to drive the lifting block 508 and the connecting plate 507 to move up and down along the direction of the lifting screw 505, so that the sliding block 502 moves up and down in the sliding bracket 501, the position of the adjusting steel plate 503 in the cavity is adjusted, thereby adjusting the glue flow direction in the cavity, and avoiding the extrusion deformation of steel materials caused by pressure difference in the cavity, the qualification rate of injection moulding processing is improved, make mould plastics after moulding plastics and upwards break away from and break away from with the product on the mould 9, utilize pressure release cylinder 406 to drive pressure release slider 407 removal afterwards, make pressure release slider 407 and pressure release groove break away from each other, prevent that the product from because of the laminating of atmospheric pressure reason on the shell 2 of moulding plastics, later utilize drawing of patterns cylinder 403 to drive drawing of patterns slider 402 upwards to slide in drawing of patterns support 401, it is ejecting with the product, accomplish the drawing of patterns process voluntarily, avoid causing the fish tail on the surface of product, and then ensured the appearance quality of drawing of patterns back product.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold alleviates different device that leads to steel material extrusion deformation of die cavity pressure difference, includes injection moulding lower bolster (1), the shell of moulding plastics (2), fixed subassembly (3), pressure release drawing of patterns subassembly (4), glue flow adjusting part (5), spacing post (6), spacing platform (7), mount (8), mould plastics upper die (9), spacing hole (10), handle (11) and injection moulding hole (12), its characterized in that: the injection molding machine is characterized in that an injection molding shell (2) is arranged at the center of the top of the injection molding lower template (1), a limiting column (6) is uniformly arranged at the top of the injection molding lower template (1), a limiting table (7) is connected in a sliding mode in through holes formed in four corners of the bottom of the injection molding lower template (1), a fixing frame (8) is connected in a threaded groove formed in the top of the limiting table (7) in a matching mode, the bottom of the fixing frame (8) is mutually attached to the top of the injection molding lower template (1), and the limiting table (7) is installed on a fixing shell (301) in a fixing assembly (3).

2. The device for relieving extrusion deformation of steel material caused by difference of cavity pressure in the injection mold according to claim 1, characterized in that: fixed subassembly (3) comprise fixed casing (301), adjust support (302), adjust lead screw (303), regulating block (304), connecting axle (305), runner (306), grip block (307), fixed plate (308) and bottom plate (309), the inside top symmetry of fixed casing (301) is provided with adjusts support (302), and be connected with through the bearing cooperation on adjusting support (302) and adjust lead screw (303), be provided with regulating block (304) on adjusting lead screw (303), and the ball nut of regulating block (304) inside embedding installation is connected with adjusting lead screw (303) each other cooperation, the bottom of regulating block (304) is provided with grip block (307).

3. The device for relieving extrusion deformation of steel material caused by difference of cavity pressure in the injection mold according to claim 2, characterized in that: the bottom of fixed casing (301) is provided with bottom plate (309), and logical groove has been seted up to the junction of bottom plate (309) and regulating block (304), bottom one side fixedly connected with fixed plate (308) of bottom plate (309), the through-hole of seting up of fixed casing (301) one side rotates and is connected with connecting axle (305), and the one end fixedly connected with runner (306) of connecting axle (305), the one end of the other end fixed connection regulation lead screw (303) of connecting axle (305).

4. The device for relieving the extrusion deformation of the steel material caused by the difference of the cavity pressure in the injection mold according to claim 1, which is characterized in that: the injection molding machine is characterized in that a demolding support (401) in a through groove formed in the top of the injection molding shell (2) is fixedly connected with a pressure relief demolding assembly (4), the pressure relief demolding assembly (4) is composed of the demolding support (401), a demolding sliding block (402), a demolding cylinder (403), a cylinder support (404), a pressure relief support (405), a pressure relief cylinder (406) and a pressure relief sliding block (407), the demolding support (401) is connected with the demolding sliding block (402) in a sliding mode, the bottom of the demolding sliding block (402) is fixedly connected to the output end of the demolding cylinder (403), the bottom of the demolding cylinder (403) is provided with the cylinder support (404), and the cylinder support (404) is fixedly installed at the bottom of the injection molding shell (2).

5. The device for relieving the extrusion deformation of the steel material caused by the difference of the cavity pressure in the injection mold according to claim 4, characterized in that: the pressure relief device is characterized in that a pressure relief support (405) is arranged at the center of the bottom of the air cylinder support (404), pressure relief air cylinders (406) are symmetrically arranged on two sides of the pressure relief support (405), a pressure relief sliding block (407) is fixedly connected to the output end of each pressure relief air cylinder (406), and the pressure relief sliding blocks (407) are slidably connected into pressure relief grooves formed in two sides of the injection molding housing (2).

6. The device for relieving extrusion deformation of steel material caused by difference of cavity pressure in the injection mold according to claim 1, characterized in that: an injection upper mold (9) is placed at the top of the injection lower mold plate (1), limiting holes (10) are formed in four corners of the top of the injection upper mold (9), sliding connection limiting columns (6) are arranged in the limiting holes (10), and grips (11) are symmetrically arranged on two sides of the top of the injection upper mold (9).

7. The device for relieving extrusion deformation of steel material caused by difference of cavity pressure in the injection mold according to claim 6, wherein: fixed sliding support (501) that has connect in glue flow adjusting part (5) in the logical groove that mould (9) top one side was seted up on moulding plastics, glue flow adjusting part (5) comprise sliding support (501), sliding block (502), adjusting steel plate (503), screw bracket (504), lifting screw (505), dwang (506), connecting plate (507) and elevator (508), sliding connection has sliding block (502) in sliding support (501), and the bottom of sliding block (502) is provided with adjusting steel plate (503), and adjusting steel plate (503) laminates with the inner wall of sliding support (501) each other.

8. The device for relieving extrusion deformation of steel material caused by difference of cavity pressure in the injection mold according to claim 7, characterized in that: the top of one side of sliding block (502) is provided with connecting plate (507), and fixed cover in the logical groove of seting up at connecting plate (507) top has connect elevator (508), elevator (508) are connected on elevating screw (505) through the ball nut cooperation of inside embedding installation, and fixed cover in the recess of seting up at elevating screw (505) top has connect dwang (506), elevating screw (505) rotate through the bearing and connect on screw bracket (504), and the bottom of screw bracket (504) is fixed in the top one side of mould (9) on moulding plastics, mould plastics and seted up injection hole (12) on the top opposite side of mould (9).