CN217021243U - High leakproofness mould - Google Patents

Abstract

The utility model relates to the field of die manufacturing, in particular to a high-sealing die, which comprises a base, a supporting mechanism, a lower die mechanism and an upper die mechanism, wherein the supporting mechanism consists of a lower supporting plate, an upper supporting plate and four supporting columns, the lower supporting plate is fixedly arranged on the base, the four supporting columns are pairwise symmetrical and fixedly arranged on four corners of the lower supporting plate, the upper supporting plate is fixedly arranged on the tops of the four supporting columns, the upper supporting plate is positioned right above the lower supporting plate, the lower die mechanism comprises a lower die base and a jacking assembly, the upper die mechanism comprises an upper die base and a pressing assembly, the upper die base is arranged on the bottom of the upper supporting plate, the pressing assembly is fixedly arranged on the top of the upper supporting plate, and the pressing assembly is fixedly connected with the upper die base, the utility model effectively avoids air leakage of a die cavity by three layers of clamping and matching a first sealing ring, a second sealing ring, a third sealing ring and a sealing gasket, the safety and the high efficiency are realized, the precision is controllable, and the sealing property of the die is greatly improved.

Description

High leakproofness mould

Technical Field

The utility model relates to the field of mold manufacturing, in particular to a high-sealing mold.

Background

The mould is used for producing various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in the industrial production of moulds. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, and different molds being made up of different parts, which effect the shaping of the article primarily by a change in the physical state of the material being shaped.

No matter in the production process who moulds plastics or die casting die, all need exhaust to the inside die cavity of mould, reduce the gas content of injection molding or die casting, thereby improve the quality of work piece, but present traditional mould production is when the compound die, only carry out some simple fixings, leakproofness between upper die base and the die holder is relatively poor, consequently, exhaust in the die cavity is not thorough, and more burr and gas pocket also can appear in the work piece of producing, make the precision reduce scrap even, therefore we need to design a leakproofness mould urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-sealing mold.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the high-sealing-performance die comprises a base, a supporting mechanism, a lower die mechanism and an upper die mechanism, wherein the supporting mechanism consists of a lower supporting plate, an upper supporting plate and four supporting columns, the lower supporting plate is fixedly arranged on the base, the four supporting columns are pairwise symmetrical and fixedly arranged on four corners of the lower supporting plate, the upper supporting plate is fixedly arranged at the tops of the four supporting columns, the upper supporting plate is positioned right above the lower supporting plate, the lower die mechanism comprises a lower die base and a jacking assembly, the lower die base is fixedly arranged in the middle of the lower supporting plate, the jacking assembly is fixedly arranged in the middle of the top end of the lower supporting plate and is in sliding connection with the lower die base, the upper die mechanism comprises an upper die base and a pressing assembly, the upper die base is arranged at the bottom of the upper supporting plate, the pressing assembly is fixedly arranged at the top of the upper supporting plate, the pressing assembly is fixedly connected with the upper die base, and an accommodating groove is arranged at the top of the lower die base, the bottom of holding tank is equipped with the caulking groove that is the rectangle form, caulking groove inner wall bottom is equipped with first sealing washer, the holding tank bottom is equipped with the pressfitting chamber, the pressfitting chamber is located the intermediate position of caulking groove, and the fixed corner pole that is equipped with in bottom outer fringe four corners in pressfitting chamber, the top four sides are all fixed and are equipped with the locating pin between caulking groove and the pressfitting chamber, and the caulking groove is equipped with sealed the pad with the top in pressfitting chamber, sealed pad is established with four locating pin covers and is connected, pressfitting chamber middle part is equipped with the die cavity, the bottom middle part of die cavity is equipped with dodges the groove, the bottom four sides of dodging the groove are equipped with the nose bar, the top of nose bar is equipped with the second sealing washer.

Preferably, the middle of the bottom of the lower die holder is provided with an installation cavity, the jacking component comprises an adjusting rotating handle, a rotating rod, a worm wheel, a worm, a rod sleeve, a threaded rod, a push plate, two guide posts and two fixed seats, the two fixed seats are symmetrically and fixedly arranged at two ends of the installation cavity, the rotating rod is rotatably arranged between the two fixed seats, one end of the rotating rod extends out of the fixed seats to be fixedly connected with the adjusting rotating handle, the worm is fixedly arranged at the middle part of the rotating rod, the worm wheel is rotatably arranged on the lower support plate, the worm wheel is meshed with the worm, one end of the threaded rod is fixedly connected with the worm wheel, the push plate is arranged in the avoiding groove, four sides of the bottom of the push plate are respectively provided with a clamping groove, the clamping grooves are clamped with the convex rod, one ends of the two guide posts are symmetrically and fixedly arranged at the bottom of the push rod, and the other ends of the two guide posts penetrate through the lower die holder and are respectively fixedly provided with a limiting piece, two the guide post and the equal sliding connection of die holder, the one end of rod cover is fixed to be set up in the bottom middle part of push pedal, and the other end of rod cover passes die holder and threaded rod threaded connection, rod cover and die holder sliding connection.

Preferably, a clamping seat is fixedly arranged at the bottom of the upper die base, a third sealing ring is fixedly arranged at the top of the outer edge of the clamping seat, a rectangular clamping column is arranged at the bottom of the clamping seat and is clamped with the caulking groove, a pressing plate is fixedly arranged at the middle part of the clamping column, abutting grooves are arranged on four edges of the outer edge of the bottom of the pressing plate and are clamped with the corner rods, positioning holes are arranged on four edges of the bottom between the pressing plate and the clamping column, the positioning holes and the corresponding positioning pins are arranged in an inserted manner,

preferably, two sliding blocks are symmetrically and fixedly arranged on two sides of the upper die holder, two guide rods are symmetrically and fixedly arranged between the upper support plate and the lower support plate, and the two sliding blocks are in sliding connection with the two corresponding guide rods.

Preferably, the pressing component comprises a mounting seat and an air cylinder, the mounting seat is fixedly arranged at the top of the upper support plate, the air cylinder is in an inverted shape and is fixedly arranged on the mounting seat, and an output shaft of the air cylinder penetrates through the upper support plate and is fixedly connected with the upper die base.

The utility model has the beneficial effects that:

1. firstly when carrying out the compound die in mould production, the cylinder switch is opened to the controller, the output shaft of cylinder drives the upper die base and moves down, two sliders slide down along two guide arms this moment, at first four locating pins plug-in connect to corresponding four locating holes in, when cassette joint was to the holding tank in, the third sealing washer has played the one-level sealed, the joint post plug-in connection was to the caulking groove this moment, and the first sealing washer in the caulking groove has played the second grade sealed, and sealed joint between joint post and the pressure plate, and then played tertiary sealed effect, cassette and holding tank edge inlay simultaneously, the joint post inlays mutually with the caulking groove, pressure plate inlays mutually with the pressfitting chamber, and cooperate first sealing washer, third sealing washer and sealed pad, play high-efficient separation effect, avoid gas leakage to the die cavity, the leakproofness of mould has greatly been improved.

2. When the pressing plate is pressed into the pressing cavity, the abutting groove is clamped with the angle rod, and the convex rod is clamped with the clamping groove, and the second sealing ring at the top of the convex rod further plays a role in sealing, most die castings are positioned in the die cavity and are not easy to take out after the die pressing is finished, part of dies are provided with springs to automatically pop up, but the spring is sometimes locked and has limited service life, and the device only needs to manually rotate the adjusting rotating hand, thereby adjusting the rotating hand to drive the rotating rod to rotate, the rotating rod drives the worm gear and the worm, the worm gear drives the threaded rod to rotate, because the threaded rod is in threaded connection with the rod sleeve, thereby the threaded rod is matched with the two guide posts to drive the rod sleeve to slide towards the die cavity, so that the rod sleeve jacks up the push plate, the push plate pushes out the workpiece, the die casting is taken out, the opening and closing of the push plate and the avoidance groove can be accurately controlled by manually rotating the adjusting rotating hand, meanwhile, the convex rod at the bottom of the avoidance groove and the clamping groove at the edge of the bottom of the push plate can effectively prevent air from entering.

This use is novel through the disappointing of the first sealing washer of three-layer joint and cooperation, second sealing washer, third sealing washer and sealed pad effectively avoided the die cavity, and is safe high-efficient, and is accurate controllable, has greatly improved the leakproofness of mould.

Drawings

In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings in the embodiment of the present invention are briefly described below.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic perspective view of the lower die holder of the present invention;

FIG. 4 is a perspective view of the upper mold base of the present invention;

FIG. 5 is a plan view of the upper die base of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a partial perspective view of the jacking assembly of the present invention;

FIG. 8 is an enlarged schematic view at A in FIG. 7;

FIG. 9 is a schematic perspective view of the cylinder of the present invention;

in the figure: the mold comprises a base 1, a support mechanism 2, a lower support plate 20, a guide rod 200, an upper support plate 21, a support pillar 22, a lower mold mechanism 3, a lower mold base 30, an accommodating groove 300, an embedding groove 301, a first seal ring 302, a pressing cavity 303, a mold cavity 3030, an avoiding groove 3031, a convex rod 3032, a second seal ring 3033, an angle rod 304, a positioning pin 305, a seal gasket 306, a mounting cavity 307, a jacking assembly 31, an adjusting rotating hand 310, a rotating rod 311, a worm wheel 312, a worm 313, a rod sleeve 314, a threaded rod 315, a push plate 316, a clamping groove 3160, a guide column 317, a limiting sheet 3170, a fixed seat 318, an upper mold mechanism 4, an upper mold base 40, a clamping seat 400, a third seal ring 401, a clamping column 402, a pressing plate 403, a resisting groove 4030, a positioning hole 404, a sliding block 405, a pressing assembly 41, a mounting seat 410 and a cylinder 411.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 2, a high-sealing mold includes a base 1, a supporting mechanism 2, lower die mechanism 3 and upper die mechanism 4, supporting mechanism 2 is by lower supporting plate 20, go up the extension board 21 and four support columns 22 are constituteed, lower supporting plate 20 is fixed to be set up on base 1, four support columns 22 bisymmetry and fixed the setting on lower extension board 20 four corners, it sets up in four support column 22 tops and upper supporting plate 21 is located under extension board 20 to go up the extension board 21 fixed, lower die mechanism 3 includes die holder 30 and jacking subassembly 31, die holder 30 is fixed to be set up in the middle part of lower extension board 20, jacking subassembly 31 is fixed to be set up in lower extension board 20 top middle part and with die holder 30 sliding connection, upper die mechanism 4 includes upper die base 40 and pressfitting subassembly 41, upper die base 40 sets up in the bottom of upper support board 21, pressfitting subassembly 41 is fixed to be set up in the top of upper extension board 21, and pressfitting subassembly 41 and upper die base 40 fixed connection.

Referring to fig. 3 and 6, the top of the lower die holder 30 is provided with a receiving groove 300, the receiving groove 300 is clamped with a clamping seat 400, the bottom of the receiving groove 300 is provided with a rectangular caulking groove 301, the bottom end of the inner wall of the caulking groove 301 is provided with a first sealing ring 302, the bottom of the receiving groove 300 is provided with a pressing cavity 303, the pressing cavity 303 is located at the middle position of the caulking groove 301, four corners of the outer edge of the bottom of the pressing cavity 303 are fixedly provided with corner rods 304, four edges of the top between the caulking groove 301 and the pressing cavity 303 are fixedly provided with positioning pins 305, the top of the caulking groove 301 and the pressing cavity 303 are provided with sealing gaskets 306, the sealing gaskets 306 are connected with the four positioning pins 305 in a sleeved manner, the middle of the pressing cavity 303 is provided with a die cavity 3030, the middle of the bottom end of the die cavity 3031 is provided with an avoiding groove 3031, four edges of the bottom of the avoiding groove 3031 are provided with convex rods 3032, the top of the convex rods 3033 is provided with a second sealing ring 3033, and the four positioning pins 305 are inserted into the corresponding four positioning holes 404, when cassette 400 joint was to holding tank 300 in, the joint post 402 was pegged graft to in the caulking groove 301, and the first sealing washer 302 in the caulking groove 301 has played sealed effect, and sealed pad 306 joint has played tertiary sealed effect between joint post 402 and pressure plywood 403, and then has been equipped with installation cavity 307 in the middle of the bottom of lower bolster 30.

Referring to fig. 4 and 6, a clamping seat 400 is fixedly arranged at the bottom of the upper die holder 40, a third sealing ring 401 is fixedly arranged at the top of the outer edge of the clamping seat 400, when the clamping seat 400 is clamped into the accommodating groove 300, the third sealing ring 401 has a primary sealing function, a rectangular clamping column 402 is arranged at the bottom of the clamping seat 400, the clamping column 402 is clamped with the embedding groove 301, a pressing plate 403 is fixedly arranged at the middle part of the clamping column 402, supporting grooves 4030 are arranged at four edges of the outer edge of the bottom of the pressing plate 403, the supporting grooves 4030 are clamped with the corner posts 304, positioning holes 404 are arranged at four edges of the bottom between the pressing plate 403 and the clamping column 402, the positioning holes 404 are inserted into corresponding positioning holes 305, the clamping seat 400 is embedded with the edge of the accommodating groove 300, the clamping column 402 is embedded with the embedding groove 301, the pressing plate 403 is embedded with the pressing cavity 303, and cooperates with the first sealing ring 302, the third sealing ring 401 and the sealing gasket 306 to play a role in blocking function, two sliding blocks 405 are symmetrically and fixedly arranged on two sides of the upper die holder 40, two guide rods 200 are symmetrically and fixedly arranged between the upper support plate 21 and the lower support plate 20, the two sliding blocks 405 are in sliding connection with the corresponding two guide rods 200, when the output shaft of the air cylinder 411 drives the upper die holder 40 to move downwards, the two sliding blocks 405 slide downwards along the two guide rods 200, firstly, the four positioning pins 305 are inserted into the corresponding four positioning holes 404, and the sliding fit between the sliding blocks 405 and the guide rods 200 plays a role in limiting sliding of the upper die holder 40

Referring to fig. 7 to 8, the jacking assembly 31 includes an adjusting rotating handle 310, a rotating rod 311, a worm wheel 312, a worm 313, a rod sleeve 314, a threaded rod 315, a push plate 316, two guide posts 317 and two fixing seats 318, wherein the two fixing seats 318 are symmetrically and fixedly disposed at two ends of the mounting cavity 307, the rotating rod 311 is rotatably disposed between the two fixing seats 318, one end of the rotating rod 311 extends out of the fixing seat 318 and is fixedly connected with the adjusting rotating handle 310, the worm 313 is fixedly disposed at the middle part of the rotating rod 311, the worm wheel 312 is rotatably disposed on the lower support plate 20, the worm wheel 312 is engaged with the worm 313, one end of the threaded rod 315 is fixedly connected with the worm wheel 312, the push plate 316 is disposed in the avoiding groove 3031, four sides of the bottom of the push plate 316 are respectively provided with a clamping groove 3160, the clamping groove 3160 is clamped with the convex rod 3032, one end of the two guide posts 317 is symmetrically and fixedly disposed at the bottom of the push rod, and the other end of the two guide posts 317 penetrates through the lower die holder 30 and is respectively fixedly provided with a limiting piece 3170, the two guide columns 317 are connected with the lower die holder 30 in a sliding manner, one end of the rod sleeve 314 is fixedly arranged in the middle of the bottom end of the push plate 316, the other end of the rod sleeve 314 penetrates through the lower die holder 30 to be connected with a threaded rod 315 in a threaded manner, the rod sleeve 314 is connected with the lower die holder 30 in a sliding manner, after the adjusting rotating handle 310 is rotated, the rotating rod 311 drives the worm 313 of the worm wheel 312, the worm wheel 312 drives the threaded rod 315 to rotate, the threaded rod 315 is connected with the rod sleeve 314 in a threaded manner, the threaded rod 315 is matched with the two guide columns 317 to drive the rod sleeve 314 to slide towards the die cavity 3030, the rod sleeve 314 jacks up the push plate 316, the push plate 316 ejects a workpiece out, a die casting is taken out, the adjusting rotating handle 310 is rotated manually, the opening and closing of the push plate 316 and the avoiding groove 3031 can be accurately controlled, and meanwhile, the protruding rod 3032 at the bottom of the avoiding groove 3031 and the clamping groove 3160 at the bottom edge of the push plate 316 can effectively prevent air from entering.

Referring to the press-fit assembly 41 shown in fig. 9, the press-fit assembly includes a mounting seat 410 and an air cylinder 411, the mounting seat 410 is fixedly disposed on the top of the upper support plate 21, the air cylinder 411 is fixedly disposed on the mounting seat 410 in an inverted state, an output shaft of the air cylinder 411 passes through the upper support plate 21 and is fixedly connected with the upper die holder 40, the mounting seat 410 provides a fixed mounting carrier for the air cylinder 411, and when a switch of the air cylinder 411 is turned on, the output shaft of the air cylinder 411 drives the upper die holder 40 to move downward.

The working principle is as follows:

when the die is closed in the production of a die, a controller opens a switch of an air cylinder 411, an output shaft of the air cylinder 411 drives an upper die holder 40 to move downwards, at the moment, two sliding blocks 405 slide downwards along two guide rods 200, firstly, four positioning pins 305 are inserted into corresponding four positioning holes 404, when a clamping seat 400 is clamped into a containing groove 300, a third sealing ring 401 performs primary sealing, at the moment, a clamping column 402 is inserted into an embedding groove 301, a first sealing ring 302 in the embedding groove 301 performs secondary sealing, a sealing gasket 306 is clamped between the clamping column 402 and a pressing plate 403, further, a tertiary sealing effect is achieved, efficient separation is achieved, gas leakage to a die cavity 3030 is avoided, meanwhile, the pressing plate is pressed 403 into a pressing cavity 303, a supporting groove 4030 is clamped with an angle rod 304, a convex rod 3032 is clamped with a clamping groove 3160, and a second sealing ring 3033 on the top of the convex rod 3032 further performs a sealing effect, after the die-casting is finished, the adjusting rotating hand 310 is rotated manually, the adjusting rotating hand 310 drives the rotating rod 311 to rotate, the rotating rod 311 drives the worm wheel 312 and the worm 313, so that the worm wheel 312 drives the threaded rod 315 to rotate, the threaded rod 315 is in threaded connection with the rod sleeve 314, the threaded rod 315 is matched with the two guide columns 317 to drive the rod sleeve 314 to slide towards the die cavity 3030, the rod sleeve 314 jacks up the push plate 316, the push plate 316 ejects a workpiece, and the die-casting piece is taken out.

Claims (5)

1. A high-sealing-performance die comprises a base (1), a supporting mechanism (2), a lower die mechanism (3) and an upper die mechanism (4), wherein the supporting mechanism (2) consists of a lower support plate (20), an upper support plate (21) and four support columns (22), the lower support plate (20) is fixedly arranged on the base (1), the four support columns (22) are pairwise symmetrical and are fixedly arranged at four corners of the lower support plate (20), the upper support plate (21) is fixedly arranged at the tops of the four support columns (22), the upper support plate (21) is positioned right above the lower support plate (20), the high-sealing-performance die is characterized in that the lower die mechanism (3) comprises a lower die seat (30) and a jacking assembly (31), the lower die seat (30) is fixedly arranged at the middle part of the lower support plate (20), the jacking assembly (31) is fixedly arranged at the middle part of the top end of the lower support plate (20) and is in sliding connection with the lower die seat (30), the upper die mechanism (4) comprises an upper die holder (40) and a pressing component (41), the upper die holder (40) is arranged at the bottom of the upper support plate (21), the pressing component (41) is fixedly arranged at the top of the upper support plate (21), the pressing component (41) is fixedly connected with the upper die holder (40), the top of the lower die holder (30) is provided with an accommodating groove (300), the bottom of the accommodating groove (300) is provided with a rectangular caulking groove (301), the bottom end of the inner wall of the caulking groove (301) is provided with a first sealing ring (302), the bottom of the accommodating groove (300) is provided with a pressing cavity (303), the pressing cavity (303) is positioned in the middle of the caulking groove (301), four corners of the bottom of the pressing cavity (303) are fixedly provided with angle rods (304), positioning pins (305) are fixedly arranged on four sides of the top between the caulking groove (301) and the pressing cavity (303), and sealing gaskets (306) are arranged on the tops of the caulking groove (301) and the pressing cavity (303), the sealing gasket (306) is sleeved with the four positioning pins (305), a mold cavity (3030) is arranged in the middle of the pressing cavity (303), an avoiding groove (3031) is arranged in the middle of the bottom end of the mold cavity (3030), convex rods (3032) are arranged on four sides of the bottom of the avoiding groove (3031), and a second sealing ring (3033) is arranged at the top of each convex rod (3032).

2. The mold with high sealing performance according to claim 1, wherein a mounting cavity (307) is arranged in the middle of the bottom of the lower mold base (30), the jacking assembly (31) comprises an adjusting rotating handle (310), a rotating rod (311), a worm wheel (312), a worm (313), a rod sleeve (314), a threaded rod (315), a push plate (316), two guide columns (317) and two fixing bases (318), the two fixing bases (318) are symmetrically and fixedly arranged at two ends of the mounting cavity (307), the rotating rod (311) is rotatably arranged between the two fixing bases (318), one end of the rotating rod (311) extends out of the fixing bases (318) to be fixedly connected with the adjusting rotating handle (310), the worm (313) is fixedly arranged in the middle of the rotating rod (311), the worm wheel (312) is rotatably arranged on the lower support plate (20), and the worm wheel (312) is meshed with the worm (313), the one end and worm wheel (312) fixed connection of threaded rod (315), push pedal (316) set up in dodging groove (3031), and the bottom four sides of push pedal (316) all are equipped with draw-in groove (3160), draw-in groove (3160) and nose bar (3032) joint set up, two the one end symmetry of guide post (317) and fixed the setting in the bottom of push rod, and the other end of two guide posts (317) passes die holder (30) and all fixes spacing piece (3170), two guide post (317) and the equal sliding connection of die holder (30), the one end of rod cover (314) is fixed to be set up in the bottom middle part of push pedal (316), and the other end of rod cover (314) passes die holder (30) and threaded rod (315) threaded connection, rod cover (314) and die holder (30) sliding connection.

3. The mold with high sealing performance according to claim 2, wherein a clamping base (400) is fixedly arranged at the bottom of the upper mold base (40), a third sealing ring (401) is fixedly arranged at the top of the outer edge of the clamping base (400), a rectangular clamping column (402) is arranged at the bottom of the clamping base (400), the clamping column (402) is clamped with the caulking groove (301), a pressing plate (403) is fixedly arranged at the middle of the clamping column (402), abutting grooves (4030) are formed in four edges of the outer edge of the bottom of the pressing plate (403), the abutting grooves (4030) are clamped with the corner rods (304), positioning holes (404) are formed in four edges of the bottom between the pressing plate (403) and the clamping column (402), and the positioning holes (404) are inserted into the corresponding positioning pins (305).

4. The mold with high sealing performance as claimed in claim 3, wherein two sliding blocks (405) are symmetrically and fixedly arranged on two sides of the upper mold base (40), two guide rods (200) are symmetrically and fixedly arranged between the upper support plate (21) and the lower support plate (20), and the two sliding blocks (405) are slidably connected with the corresponding two guide rods (200).

5. The high-tightness mold according to claim 4, wherein the pressing assembly (41) comprises a mounting seat (410) and a cylinder (411), the mounting seat (410) is fixedly arranged on the top of the upper support plate (21), the cylinder (411) is fixedly arranged on the mounting seat (410) in an inverted state, and an output shaft of the cylinder (411) penetrates through the upper support plate (21) and is fixedly connected with the upper mold base (40).

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