CN215703772U

CN215703772U - Plastic injection molding machine mold

Info

Publication number: CN215703772U
Application number: CN202122142715.9U
Authority: CN
Inventors: 阎德旺
Original assignee: Zhuozhou Minwang Plastic Industry Co ltd
Current assignee: Zhuozhou Minwang Plastic Industry Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a plastic injection molding machine mold, which comprises a fixed mold, wherein a movable mold is placed on one side of the fixed mold, an ejection hole is symmetrically formed in one side of the movable mold, an ejection rod is embedded in the ejection hole in a sliding manner, an ejection block is installed at one end of the ejection rod, an ejection groove is formed in one side of the movable mold corresponding to the position of the ejection block, a connecting frame is installed between the other ends of the two ejection rods, sliding holes are symmetrically formed in the two ends of the connecting frame, a sliding rod is embedded in the sliding hole in a sliding manner, two limiting springs are movably sleeved outside the sliding rod and are respectively positioned on the two sides of the connecting frame, the ejection rod can be limited and buffered through the limiting springs, when the fixed mold and the movable mold are separated, the external force of an ejection workpiece is buffered, the damage of the workpiece caused by the excessive external force is avoided, the protection effect of the workpiece is good, the mold can be conveniently used for demolding, the position of the sliding rod can be moved by screwing a fixing screw, and the position of the limiting springs can be conveniently adjusted according to the discharging position, preventing the damage of the product.

Description

Plastic injection molding machine mold

Technical Field

The utility model relates to the technical field of molds, in particular to a mold of a plastic injection molding machine.

Background

The mould has a specific contour or an inner cavity shape, generally comprises a movable mould and a fixed mould (or a male mould and a female mould), which can be separated or combined, a workpiece is taken out when the movable mould and the fixed mould are separated, and a blank is injected into a mould cavity for forming when the fixed mould and the fixed mould are combined.

However, when the mold in the current market is demolded, the external force is too large, so that the molded part is easily damaged, the protection effect on the molded part is general, the mold is not convenient to use, and the efficiency of manufacturing the molded part is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plastic injection molding machine mold, which can effectively solve the problems that a workpiece is easy to damage due to overlarge external force during demolding of the mold, the protection effect on the workpiece is general, the mold is inconvenient to use, and the efficiency of manufacturing the workpiece is further influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a plastic injection molding machine mold comprises a fixed mold, wherein a movable mold is placed on one side of the fixed mold, an ejection assembly is installed on one side of the movable mold, and the ejection assembly comprises an ejection hole, an ejection rod, an ejection block, an ejection groove, a connecting frame, a sliding hole, a sliding rod, a limiting spring, a fixed cylinder, a fixed screw and a fixed block;

ejector holes are symmetrically formed in one side of the movable mold, ejector rods are embedded in the ejector holes in a sliding mode, ejector blocks are installed at one ends of the ejector rods, ejector grooves are formed in positions, corresponding to the ejector blocks, of one side of the movable mold, a connecting frame is installed between the other ends of the ejector rods, sliding holes are symmetrically formed in two ends of the connecting frame, sliding rods are embedded in the sliding holes in a sliding mode, two limiting springs are sleeved on the outer sides of the sliding rods in a movable mode and located on two sides of the connecting frame respectively, a fixed cylinder is installed on one side of the fixed mold corresponding to the positions of the sliding rods, fixing screws are installed at the top end of the fixed cylinder, and one end, away from the fixed cylinder, of each sliding rod is installed with a fixed block.

Preferably, the diameter of the ejector rod is smaller than that of the ejector block, and an air inlet groove is formed in the outer side of the ejector rod.

Preferably, one end of the fixing screw penetrates through the fixing cylinder to be in contact with the sliding rod, and the outer diameter of the fixing block is larger than the diameter of the sliding rod.

Preferably, the top surfaces of the fixed die and the movable die are both provided with hoisting components, and each hoisting component comprises a hoisting groove, a hoisting rod, a supporting plate, a return spring, a hoisting frame, a limiting frame, a link rod, a lever, a limiting groove, a limiting rod and a hoisting ring;

the lifting device is characterized in that lifting grooves are formed in the top surfaces of the fixed die and the movable die, a lifting frame is arranged in each lifting groove, a lifting rod is embedded in the middle of the top surface of the lifting frame in a sliding mode, a supporting plate is installed at the bottom end of the lifting rod, a reset spring is installed on the top surface of the supporting plate, a limiting frame is embedded in the top surface of the lifting frame in a sliding mode, a connecting rod is connected to the outer side of the supporting plate in a symmetrical and rotating mode, one end of the connecting rod is connected with a lever in a rotating mode, one end of the lever is connected with the bottom surface of the limiting frame in a rotating mode, limiting grooves are formed in one side of the connecting rod and one side of the lever, limiting rods are installed in positions, corresponding to the limiting grooves, in the lifting frame, and lifting rings are installed at the top ends of the lifting rods.

Preferably, the outer diameter of the supporting plate is larger than the diameter of the hoisting rod, and the return spring is positioned outside the hoisting rod.

Preferably, the limiting rod is located inside the limiting groove, and the hoisting ring is located between the two limiting frames.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. be provided with ejector pin, kicking block, slide bar and solid fixed cylinder, can carry out spacing buffering to the ejector pin through spacing spring for when cover half and movable mould are separately, cushion the external force of ejecting finished piece, avoid too big finished piece damage that leads to of external force, it is effectual to the protection of finished piece, the convenient to use mould carries out the drawing of patterns, and twist the portable slide bar position of set screw, be convenient for according to the position of the spacing spring of discharging position adjustment, prevent that the finished piece from damaging.

2. Be provided with spacing, link rod, lever and gag lever post, when catching on hoisting ring hoist and mount mould through the lifting hook, can drive link rod and lever and rotate, with spacing jack-up, carry on spacingly to the lifting hook, avoid because the mould is connected shakedly with the lifting hook and is influenced the mold erection when leading to hoist and mount mould for mould hoist and mount are stable, easy to assemble mould.

3. Be provided with lifting rod, backup pad, reset spring and hoist and mount frame, can cushion the mould when hoist and mount mounting die through reset spring extrusion backup pad for the mould focus falls slowly, and is effectual to the protection of mould, avoids mould striking injection molding machine to cause the damage, and can pull the link rod when reset spring extrusion backup pad and reset spacing frame, is convenient for take out the lifting hook.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of a slide bar mounting arrangement of the present invention;

FIG. 3 is a schematic view of the mounting structure of the lifting ring of the present invention;

FIG. 4 is a schematic view of the mounting structure of the spacing frame of the present invention;

reference numbers in the figures: 1. fixing a mold; 2. moving the mold;

3. ejecting the assembly; 301. an ejection aperture; 302. ejecting the rod; 303. a top block; 304. a top groove; 305. a connecting frame; 306. a slide hole; 307. a slide bar; 308. a limiting spring; 309. a fixed cylinder; 310. a set screw; 311. a fixed block;

4. hoisting the assembly; 401. hoisting the groove; 402. hoisting the rod; 403. a support plate; 404. a return spring; 405. a hoisting frame; 406. a limiting frame; 407. a link rod; 408. a lever; 409. a limiting groove; 410. a limiting rod; 411. and (6) hoisting a ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the present invention provides a technical solution, a mold for plastic injection molding machine, comprising a fixed mold 1, a movable mold 2 disposed on one side of the fixed mold 1, an ejection assembly 3 mounted on one side of the movable mold 2, the ejection assembly 3 comprising an ejection hole 301, an ejection rod 302, an ejection block 303, an ejection slot 304, a connecting frame 305, a slide hole 306, a slide bar 307, a limit spring 308, a fixed cylinder 309, a fixed screw 310 and a fixed block 311, the ejection hole 301 symmetrically disposed on one side of the movable mold 2, the ejection rod 302 slidably embedded in the ejection hole 301, the ejection block 303 mounted on one end of the ejection rod 302, the ejection slot 304 disposed on one side of the movable mold 2 corresponding to the position of the ejection block 303, the connecting frame 305 mounted between the other ends of the two ejection rods 302, the slide holes 306 symmetrically disposed on both ends of the connecting frame 305, the slide bar 307 slidably embedded in the slide hole 306, the two limit springs 308 movably sleeved outside the slide bar 307, the two limit springs 308 respectively disposed on both sides of the connecting frame 305, the fixed cylinder 309 is installed on one side of the fixed die 1 corresponding to the position of the sliding rod 307, the fixing screw 310 is installed on the top end of the fixed cylinder 309, the fixed block 311 is installed at one end, far away from the fixed cylinder 309, of the sliding rod 307, the diameter of the ejector rod 302 is smaller than that of the ejector block 303, an air inlet groove is formed in the outer side of the ejector rod 302, one end of the fixing screw 310 penetrates through the fixed cylinder 309 to be in contact with the sliding rod 307, the outer diameter of the fixed block 311 is larger than that of the sliding rod 307, the ejector rod 302 can be limited and buffered through the limiting spring 308, when the fixed die 1 and the movable die 2 are separated, the external force for ejecting a workpiece is buffered, damage to the workpiece due to the fact that the external force is too large is avoided, the protection effect on the workpiece is good, demolding is convenient to use of a die, the position of the sliding rod 307 can be moved by screwing the fixing screw 310, the position of the limiting spring 308 can be adjusted according to the discharging position, and damage to the workpiece is prevented.

The top surfaces of the fixed die 1 and the movable die 2 are respectively provided with a hoisting component 4, the hoisting component 4 comprises a hoisting groove 401, a hoisting rod 402, a supporting plate 403, a return spring 404, a hoisting frame 405, a limiting frame 406, a connecting rod 407, a lever 408, a limiting groove 409, a limiting rod 410 and a hoisting ring 411, the top surfaces of the fixed die 1 and the movable die 2 are respectively provided with the hoisting groove 401, the hoisting frame 405 is arranged in the hoisting groove 401, the hoisting rod 402 is embedded in the middle of the top surface of the hoisting frame 405 in a sliding manner, the supporting plate 403 is arranged at the bottom end of the hoisting rod 402, the return spring 404 is arranged on the top surface of the supporting plate 403, the limiting frame 406 is embedded in the top surface of the hoisting frame 405 in a sliding manner, the outer side of the supporting plate 403 is symmetrically and rotatably connected with the connecting rod 407, one end of the connecting rod 407 is rotatably connected with the lever 408, one end of the lever 408 is rotatably connected with the bottom surface of the limiting frame 406, one side of the connecting rod 407 and one side of the lever 408 are respectively provided with the limiting groove 409, the position corresponding to the limiting groove 409 is arranged in the hoisting frame 405, the top end of the hoisting rod 402 is provided with a hoisting ring 411, the outer diameter of the supporting plate 403 is larger than the diameter of the hoisting rod 402, the return spring 404 is positioned outside the hoisting rod 402, the limiting rod 410 is positioned inside the limiting groove 409, the hoisting ring 411 is positioned between the two limiting frames 406, when the lifting hook hooks the lifting ring 411 to lift the mold, the link rod 407 and the lever 408 are driven to rotate to jack up the limit frame 406, the lifting hook is limited, the phenomenon that the installation of the die is influenced by shaking when the die is lifted due to unstable connection between the die and the lifting hook is avoided, so that the mould can be stably hoisted and conveniently installed, when the mould is hoisted and installed, the reset spring 404 extrudes the supporting plate 403, the mould is buffered, so that the gravity center of the mould slowly falls, the protection effect on the mould is good, the damage caused by the mould impacting an injection molding machine is avoided, and when the return spring 404 presses the support plate 403, the link rod 407 can be pulled to return the limit frame 406, so that the hook can be taken out conveniently.

The working principle and the using process of the utility model are as follows: when a mold is used for manufacturing a workpiece and demolding, the limit spring 308 can limit and buffer the ejection rod 302, so that when the fixed mold 1 and the movable mold 2 are separated, the external force for ejecting the workpiece is buffered, the damage of the workpiece caused by the excessive external force is avoided, the protection effect on the workpiece is good, the mold is convenient to demold, and the position of the sliding rod 307 can be moved by screwing the fixing screw 310, so that the position of the limit spring 308 can be adjusted conveniently according to the discharging position, and the damage of the workpiece is prevented;

when needing hoist and mount mould, catch on hoisting ring 411 with the lifting hook, the lifting hook can drive link rod 407 to rotate around spacing groove 409 when hoisting ring 411, make lever 408 rotate with spacing 406 jack-up, carry on spacingly to the lifting hook, avoid rocking influence mold erection when leading to hoist and mount mould because the mould is connected unstably with the lifting hook, make mould hoist and mount stable, the easy to assemble mould, and reset spring 404 extrudees backup pad 403 can be when hoist and mount mold erection, cushion the mould, make the slow whereabouts of mould focus slowly, it is effectual to the protection of mould, avoid mould striking injection molding machine to cause the damage, can pull link rod 407 to rotate when reset spring 404 extrudes backup pad 403 and reset spacing 406, be convenient for take out the lifting hook.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plastics injection molding machine mould, includes cover half (1), movable mould (2), its characterized in that have been placed to cover half (1) one side: an ejection assembly (3) is mounted on one side of the movable die (2), and the ejection assembly (3) comprises an ejection hole (301), an ejection rod (302), an ejection block (303), an ejection groove (304), a connecting frame (305), a sliding hole (306), a sliding rod (307), a limiting spring (308), a fixed cylinder (309), a fixed screw (310) and a fixed block (311);

ejection holes (301) are symmetrically formed in one side of the movable mold (2), an ejection rod (302) is embedded in the ejection holes (301) in a sliding manner, one end of each ejector rod (302) is provided with an ejector block (303), one side of the movable mold (2) is provided with an ejector groove (304) corresponding to the ejector block (303), a connecting frame (305) is arranged between the other ends of the two ejector rods (302), two ends of the connecting frame (305) are symmetrically provided with sliding holes (306), a sliding rod (307) is embedded in the sliding holes (306) in a sliding manner, two limiting springs (308) are movably sleeved on the outer side of the sliding rod (307), the two limiting springs (308) are respectively positioned on two sides of the connecting frame (305), a fixed cylinder (309) is arranged at one side of the fixed die (1) corresponding to the position of the sliding rod (307), a fixing screw (310) is installed at the top end of the fixing barrel (309), and a fixing block (311) is installed at one end, far away from the fixing barrel (309), of the sliding rod (307).

2. The plastic injection molding machine mold according to claim 1, wherein the ejector rod (302) has a smaller diameter than the ejector block (303), and an air inlet groove is formed in the outer side of the ejector rod (302).

3. The mold of claim 1, wherein one end of the fixing screw (310) penetrates through the fixing cylinder (309) to contact with the sliding rod (307), and the outer diameter of the fixing block (311) is larger than the diameter of the sliding rod (307).

4. The plastic injection molding machine mold according to claim 1, wherein the top surfaces of the fixed mold (1) and the movable mold (2) are provided with hoisting components (4), and each hoisting component (4) comprises a hoisting groove (401), a hoisting rod (402), a support plate (403), a return spring (404), a hoisting frame (405), a limiting frame (406), a link rod (407), a lever (408), a limiting groove (409), a limiting rod (410) and a hoisting ring (411);

the lifting device is characterized in that lifting grooves (401) are formed in the top surfaces of the fixed die (1) and the movable die (2), a lifting frame (405) is arranged in the lifting grooves (401), a lifting rod (402) is embedded in the middle of the top surface of the lifting frame (405) in a sliding manner, a supporting plate (403) is arranged at the bottom end of the lifting rod (402), a return spring (404) is arranged on the top surface of the supporting plate (403), the top surface of the lifting frame (405) is symmetrically embedded into a limiting frame (406) in a sliding manner, a connecting rod (407) is symmetrically and rotatably connected to the outer side of the supporting plate (403), a lever (408) is rotatably connected to one end of the connecting rod (407), one end of the lever (408) is rotatably connected with the bottom surface of the limiting frame (406), limiting grooves (409) are formed in one side of the connecting rod (407) and one side of the lever (408), and a limiting rod (410) is arranged in the lifting frame (405) corresponding to the position of the limiting groove (409), and a hoisting ring (411) is arranged at the top end of the hoisting rod (402).

5. A plastic injection molding machine mold as claimed in claim 4, wherein the outer diameter of the support plate (403) is larger than the diameter of the lifting rod (402), and the return spring (404) is located outside the lifting rod (402).

6. A plastic injection molding machine mold according to claim 4, wherein the stop rod (410) is located inside a stop groove (409) and the lifting ring (411) is located between two stop ledges (406).