CN216760698U

CN216760698U - Precise injection mold convenient for material taking

Info

Publication number: CN216760698U
Application number: CN202123369003.7U
Authority: CN
Inventors: 王溪; 邵斌倩; 李岩
Original assignee: Suzhou Longhui Steel Mould Technology Co ltd
Current assignee: Suzhou Longhui Steel Mould Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a precise injection mold convenient for material taking, and relates to the technical field of injection molds. The precise injection mold is convenient to take materials, an injection molding part can be automatically ejected out, the inside of a mold cavity does not need to be manually taken, materials are conveniently taken, manpower and material resources are saved, the phenomenon that the mold is adhered too firmly in the mold cavity and cannot fall off is avoided, meanwhile, the phenomenon that a fixed block damages the mold when the mold is jacked is avoided through the arranged spring, unnecessary loss of a workpiece is reduced, and the injection molding efficiency of the mold is improved.

Description

Precise injection mold convenient for material taking

Technical Field

The utility model relates to the technical field of injection molds, in particular to a precise injection mold convenient for material taking.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product, wherein the injection molding mold is divided into a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to the forming characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the injection mold is composed of a movable mold and a fixed mold, the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product. In order to reduce the heavy mold design and manufacturing effort, injection molds mostly employ standard mold bases.

In the existing market, when an injection molding part is formed between the fixed die and the movable die, the injection molding part cannot be ejected automatically, so that the injection molding part is not convenient to take materials, the injection molding part needs to be taken in a die cavity manually, time and labor are wasted, the injection molding efficiency of the die is influenced, and the work progress is delayed, so that the precise injection molding die convenient for taking materials is necessary to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a precise injection mold convenient for taking materials, which can effectively solve the problems that in the background art, when an injection molding part is formed between a fixed mold and a movable mold, the injection molding part cannot be automatically ejected, the taking of the injection molding part is inconvenient, manual taking in a mold cavity is needed, time and labor are wasted, the injection molding efficiency of the mold is influenced, and the work progress is delayed.

In order to achieve the purpose, the utility model adopts the technical scheme that: a precise injection mold convenient for taking materials comprises a base, wherein a rack is arranged at the top of the base, a fixed mold is fixedly connected to the bottom of a top plate of the rack, a movable mold is connected to the upper side of the base through a lifting assembly, a driving box is fixedly connected to the bottom of the base, and a jacking assembly is arranged at the center of the top of the base;

the lifting assembly comprises a hydraulic cylinder, a push plate, a connecting rod and a supporting plate, the hydraulic cylinder is arranged in the driving box, the driving end of the hydraulic cylinder is fixedly connected with the bottom of the push plate, the top of the push plate is fixedly connected with the bottom of the connecting rod, the top of the connecting rod is fixedly connected with the bottom of the supporting plate, and the top of the supporting plate is fixedly connected with the bottom of the movable mold;

the jacking assembly comprises a jacking rod, a fixed block and a spring, the bottom of the movable mold is penetrated by the supporting plate, a jacking groove is formed in the bottom of the movable mold, the top center of the base is fixedly connected with the bottom of the jacking rod, the top of the jacking rod is fixedly connected with the bottom of the fixed block, and the spring is sleeved on the outer peripheral face of the jacking rod, which is located at the bottom of the movable mold.

Preferably, the four corners of the top of the movable mold are provided with positioning holes, the four corners of the bottom of the fixed mold are fixedly connected with positioning columns, the positioning columns and the positioning holes are located on the same vertical plane, and the diameter of the cross section of each positioning column is smaller than that of the cross section of each positioning hole.

Preferably, the top fixedly connected with inlet pipe of frame, the sprue has been seted up at the top of cover half, the inlet pipe is linked together with the sprue.

Preferably, the top of the base is provided with a through groove in a penetrating manner, the overlooking cross section of the through groove is of an annular structure, and the through groove is communicated with the inside of the driving box.

Preferably, the inside relative two inside walls of frame have all seted up the spout, the both ends of backup pad activity respectively set up in the inside of two spouts, and slide in the inside of two spouts.

Preferably, the equal fixedly connected with support in bottom four corners department of base, four the support is rectangular array and distributes in the bottom four corners department of base, the support is made for stainless steel material.

Preferably, the diameter of the cross section of the jacking rod is smaller than that of the jacking groove, the diameter of the cross section of the fixing block is matched with that of the jacking groove, and the top of the base is connected with the bottom of the supporting plate through a spring.

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

in the utility model, by starting the hydraulic cylinder, the hydraulic cylinder pushes the push plate to rise in the driving box, the rising of the push plate drives the connecting rod to rise, the rising of the connecting rod drives the supporting plate to rise through the sliding groove, so as to drive the movable mold to rise, the positioning hole formed on the movable mold and the positioning column connected on the fixed mold are accurately positioned, so that the positioning column enters the inside of the positioning hole, the fixed mold and the movable mold are closed, the fixed block slides in the inside of the jacking groove through the jacking rod, the fixed block is flush with the mold cavity of the movable mold, then injection liquid is injected through the feeding pipe, the injection liquid enters the mold cavities of the movable mold and the fixed mold through the injection port, the injection of the mold is completed, after the injection is completed, the hydraulic cylinder drives the push plate to fall, the falling of the push plate drives the supporting plate to fall through the sliding groove through the connecting rod, so as to separate the movable mold from the fixed mold, and in the process of slow descending of the movable mold, the jacking rod is in a fixed state, the movable mould descends the jacking rod and rises in the inside of jacking groove to it is ejecting to make the fixed block mould plastics the completion, the injection molding can be ejecting automatically, do not need the manual work to go the inside in mould chamber to take, conveniently get the material, manpower and materials have been saved, the efficiency that the mould was moulded plastics has been improved, avoid appearing the mould adhesion too firmly in the mould chamber, the phenomenon that can't drop appears, simultaneously through the spring that sets up, avoid the fixed block when jacking mould, the phenomenon that damages the mould takes place, work piece unnecessary loss has been reduced.

Drawings

FIG. 1 is a schematic perspective view of a precision injection mold for facilitating material taking according to the present invention;

FIG. 2 is a schematic view of a front view of an internal cross-sectional structure of a precision injection mold for facilitating material taking according to the present invention;

FIG. 3 is an enlarged schematic view of the portion A of the precise injection mold for conveniently taking materials in the utility model;

FIG. 4 is an enlarged schematic structural view of a precision injection mold for facilitating material taking in FIG. 2;

fig. 5 is an enlarged schematic structural view of a precision injection mold convenient for taking materials, shown in fig. 2 at C.

In the figure: 1. a base; 2. a frame; 3. fixing a mold; 4. moving the mold; 5. a drive box; 6. a hydraulic cylinder; 7. pushing a plate; 8. a connecting rod; 9. a support plate; 10. jacking a groove; 11. a jacking rod; 12. a fixed block; 13. a spring; 14. positioning holes; 15. a positioning column; 16. a feed pipe; 17. a material injection port; 18. a through groove; 19. a chute; 20. and (4) a bracket.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a precise injection mold convenient for taking materials, which comprises a base 1, wherein the top of the base 1 is provided with a rack 2, the bottom of the top plate of the rack 2 is fixedly connected with a fixed mold 3, the upper part of the base 1 is connected with a movable mold 4 through a lifting assembly, the bottom of the base 1 is fixedly connected with a driving box 5, and the center of the top of the base 1 is provided with a jacking assembly;

the lifting assembly comprises a hydraulic cylinder 6, a push plate 7, a connecting rod 8 and a supporting plate 9, the hydraulic cylinder 6 is arranged inside the driving box 5, the driving end of the hydraulic cylinder 6 is fixedly connected with the bottom of the push plate 7, the top of the push plate 7 is fixedly connected with the bottom of the connecting rod 8, the top of the connecting rod 8 is fixedly connected with the bottom of the supporting plate 9, and the top of the supporting plate 9 is fixedly connected with the bottom of the movable mold 4;

the jacking assembly comprises a jacking rod 11, a fixed block 12 and a spring 13, the jacking groove 10 is formed in the bottom of the movable mold 4 and is penetrated by the supporting plate 9, the top center of the base 1 is fixedly connected with the bottom of the jacking rod 11, the top of the jacking rod 11 is fixedly connected with the bottom of the fixed block 12, and the spring 13 is sleeved on the outer peripheral face of the jacking rod 11 located at the bottom of the movable mold 4.

Locating holes 14 are formed in four corners of the top of the movable die 4, locating columns 15 are fixedly connected to four corners of the bottom of the fixed die 3, the locating columns 15 and the locating holes 14 are located on the same vertical face, and the diameter of the cross sections of the locating columns 15 is smaller than that of the cross sections of the locating holes 14.

The top fixedly connected with inlet pipe 16 of frame 2, the sprue 17 has been seted up at the top of cover half 3, and inlet pipe 16 is linked together with sprue 17.

The top of the base 1 is provided with a through groove 18 in a penetrating way, the overlooking cross section of the through groove 18 is of an annular structure, and the through groove 18 is communicated with the inside of the driving box 5.

The inside relative two inside walls of frame 2 have all been seted up spout 19, and the both ends of backup pad 9 activity respectively set up in the inside of two spouts 19, and slide in the inside of two spouts 19.

The equal fixedly connected with support 20 in bottom four corners department of base 1, four supports 20 are rectangular array and distribute in the bottom four corners department of base 1, and support 20 is made for stainless steel.

The diameter of the cross section of the jacking rod 11 is smaller than that of the cross section of the jacking groove 10, the diameter of the cross section of the fixing block 12 is matched with that of the cross section of the jacking groove 10, and the top of the base 1 is connected with the bottom of the supporting plate 9 through a spring 13.

The working principle of the utility model is as follows: when the injection molding machine is used, firstly, the hydraulic cylinder 6 is started, the hydraulic cylinder 6 pushes the push plate 7 to ascend in the drive box 5, the ascending of the push plate 7 drives the connecting rod 8 to ascend, the ascending of the connecting rod 8 drives the support plate 9 to ascend through the sliding chute 19, so that the movable mold 4 is driven to ascend, the positioning hole 14 formed in the movable mold 4 is accurately positioned with the positioning column 15 connected with the fixed mold 3, the positioning column 15 enters the positioning hole 14 to close the fixed mold 3 and the movable mold 4, the fixed block 12 slides in the jacking groove 10 through the jacking rod 11, the fixed block 12 is flush with the mold cavity of the movable mold 4, then injection molding liquid is injected through the feed pipe 16, the injection molding liquid enters the mold cavities of the movable mold 4 and the fixed mold 3 through the injection port 17 to complete injection molding of a mold, after the injection molding is completed, the hydraulic cylinder 6 drives the push plate 7 to descend, the descending of the push plate 7 drives the support plate 9 to descend through the sliding chute 19 through the connecting rod 8, make movable mould 4 break away from cover half 3, at the in-process that movable mould 4 slowly descends, lifting rod 11 is the stationary state, movable mould 4 descends lifting rod 11 and rises in the inside of jacking groove 10, thereby it is ejecting to make fixed block 12 to mould plastics the mould of accomplishing, the injection molding can be ejecting automatically, do not need the manual work to go the inside in mould chamber to take, conveniently get the material, manpower and materials have been saved, the efficiency that the mould was moulded plastics has been improved, it is too firm at the mould intracavity to avoid appearing the mould adhesion, the phenomenon that can't drop appears, simultaneously through the spring 13 that sets up, avoid fixed block 12 when jacking mould, the phenomenon of damaging the mould takes place, work piece unnecessary loss has been reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision injection mold convenient to get material which characterized in that: the lifting mechanism comprises a base (1), wherein a rack (2) is arranged at the top of the base (1), a fixed die (3) is fixedly connected to the bottom of a top plate of the rack (2), a movable die (4) is connected to the upper side of the base (1) through a lifting assembly, a driving box (5) is fixedly connected to the bottom of the base (1), and a jacking assembly is arranged at the center of the top of the base (1);

the lifting assembly comprises a hydraulic cylinder (6), a push plate (7), a connecting rod (8) and a supporting plate (9), the hydraulic cylinder (6) is arranged inside the driving box (5), the driving end of the hydraulic cylinder (6) is fixedly connected with the bottom of the push plate (7), the top of the push plate (7) is fixedly connected with the bottom of the connecting rod (8), the top of the connecting rod (8) is fixedly connected with the bottom of the supporting plate (9), and the top of the supporting plate (9) is fixedly connected with the bottom of the movable die (4);

jacking subassembly includes jacking rod (11), fixed block (12) and spring (13), jacking groove (10) have all been run through to backup pad (9) and the bottom of movable mould (4), the top center department of base (1) and the bottom fixed connection of jacking rod (11), the top of jacking rod (11) and the bottom fixed connection of fixed block (12), the outer peripheral face cover that jacking rod (11) are located movable mould (4) bottom is equipped with spring (13).

2. The precision injection mold convenient for taking materials as claimed in claim 1, wherein: locating holes (14) are formed in four corners of the top of the movable die (4), locating columns (15) are fixedly connected to four corners of the bottom of the fixed die (3), the locating columns (15) and the locating holes (14) are located on the same vertical surface, and the diameter of the cross section of each locating column (15) is smaller than that of the cross section of each locating hole (14).

3. The precision injection mold convenient for taking materials as claimed in claim 1, wherein: the top fixedly connected with inlet pipe (16) of frame (2), sprue (17) have been seted up at the top of cover half (3), inlet pipe (16) are linked together with sprue (17).

4. The precision injection mold convenient for taking materials as claimed in claim 1, wherein: the top of the base (1) is provided with a through groove (18) in a penetrating mode, the overlooking cross section of the through groove (18) is of an annular structure, and the through groove (18) is communicated with the inside of the driving box (5).

5. The precision injection mold convenient for taking materials as claimed in claim 1, wherein: the inside relative two inside walls of frame (2) have all seted up spout (19), the both ends of backup pad (9) are the activity respectively and are set up in the inside of two spout (19), and slide in the inside of two spout (19).

6. The precision injection mold convenient for taking materials as claimed in claim 1, which is characterized in that: the equal fixedly connected with support (20) of bottom four corners department of base (1), four support (20) are the rectangular array and distribute in the bottom four corners department of base (1), support (20) are made for stainless steel material.

7. The precision injection mold convenient for taking materials as claimed in claim 1, which is characterized in that: the cross section diameter of jacking rod (11) is less than the cross section diameter of jacking groove (10), the cross section diameter of fixed block (12) and the cross section diameter looks adaptation of jacking groove (10), the top of base (1) is passed through spring (13) and is connected with the bottom of backup pad (9).