CN218139589U

CN218139589U - Stifled injection mold is prevented to sprue gate

Info

Publication number: CN218139589U
Application number: CN202222276224.8U
Authority: CN
Inventors: 王鸿鸣; 沈炳龙; 罗治永; 林海光; 潘成扬
Original assignee: Shenzhen Huazhong Simingtong Technology Co ltd
Current assignee: Shenzhen Huazhong Simingtong Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-27
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a stifled injection mold is prevented to sprue gate, including bottom plate and discharge mechanism, the inside top of bottom plate is provided with the installation mechanism that is used for the model to change for quick ejection of compact discharge mechanism installs in the inside below of bottom plate, the inside top of installation mechanism is provided with the notes material mechanism that is used for preventing solidifying the deformation. This injection mold that sprue gate prevents stifled, compare with current device, through spacing slider, can slide the die holder and set up in the bottom plate, through first locating lever, can peg graft behind the die holder combination and twist to move fixedly, through the second locating lever, can peg graft after the combination of top plate and last die holder and twist to move fixedly, make the dismouting mode of upper and lower mould the same with this, with this can be according to the different demands of processing during subsequent use, come to replace the die holder of different appearance patterns, through spacing slider, can guarantee the die holder, position accuracy and the stability of installation during the upper die holder assembly.

Description

Stifled injection mold is prevented to sprue gate

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold that sprue gate prevents stifled.

Background

Injection molding, also known as injection molding, is a molding method that is injection and molding; the injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple designs and varieties, simple and complex shapes, small and precise product size, easy replacement of products, capability of forming workpieces with complex shapes, and suitability for the fields of mass production, products with complex shapes and the like.

The application number is CN202010137978.8, and the injection mold comprises a bottom plate, a top plate, a supporting column, a lower mold, an upper mold, a positioning column, a cylinder, a pouring gate, a fixing column, a movable column, a connecting plate, a spring, a sliding block, a sliding groove and a cavity. The upper die and the lower die are driven by the air cylinder to open and close, manual operation is not needed, labor intensity is low, the upper die and the lower die are mounted with the air cylinder through the sliding connection structure, only the upper die and the lower die need to move horizontally during mounting and dismounting, and the upper die and the lower die are simple to operate and convenient to dismount; when carrying out the die sinking, go up mould and lower mould simultaneous relative movement, through fixed column and elastic telescopic rod's mating reaction, can realize the spacing of injection molding, realize the injection molding automatic with last mould and lower mould separation, it is ejecting to need not the manual work to operate, it is comparatively convenient to take out of injection molding.

Similar to the above applications, there are currently deficiencies:

there are problems that the injection molding liquid is easily cooled and solidified in advance when flowing during use, so that the flow property is deteriorated, and the injection molding liquid is easily reflowed during molding, thereby easily causing clogging during final cooling molding.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an injection mold with a sprue gate being anti-blocked is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stifled injection mold is prevented to sprue gate to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold that sprue gate prevents stifled, includes bottom plate and discharge mechanism, the inside top of bottom plate is provided with the installation mechanism that is used for the model to change for quick ejection of compact discharge mechanism installs in the inside below of bottom plate, the inside top of installation mechanism is provided with the notes material mechanism that is used for preventing solidification deformation, it constructs including annotating material pipe, elastic shaft, valve clack, locating piece and heater to annotate the material, the bottom both sides of annotating the material pipe are provided with elastic shaft, and elastic shaft one side installation has the valve clack to the valve clack passes through elastic shaft and annotates material pipe elastic connection, the inboard bottom of annotating the material pipe is fixed with the locating piece, the inner wall middle part of annotating the material pipe is encircleed there is the heater.

Further, installation mechanism includes die holder, spacing slider and first locating rod, the outside both sides of die holder are fixed with spacing slider, and the bottom both sides of die holder install first locating rod.

Further, the installation mechanism further comprises an upper supporting plate and an upper die holder, the upper supporting plate is arranged on the opposite side of the lower supporting plate, and the upper die holder is arranged in the middle of the lower portion of the upper supporting plate.

Further, the installation mechanism further comprises a second positioning rod, and the second positioning rod is installed on two sides of the upper portion of the outer portion of the upper die base.

Further, discharge mechanism includes double-end motor and lead screw, and double-end motor's output rotates and is connected with the lead screw.

Furthermore, discharge mechanism still includes sliding block and movable connecting rod, the sliding block sets up the outside front end at the lead screw, and top one side of sliding block is connected with movable connecting rod.

Furthermore, discharge mechanism still includes the ejector beam, and the ejector beam is installed at the top of activity connecting rod.

Compared with the prior art, the utility model provides an injection mold that sprue gate prevents stifled possesses following beneficial effect: this injection mold can come the die holder of different appearance styles to replace according to the different demands of processing, and avoids the material to cool off in advance and flow back when the shaping and solidify in the notes material pipe and lead to the problem of jam, can be simultaneously after the shaping is accomplished ejecting with the article is automatic to be favorable to accelerating injection molding's efficiency.

1. The utility model discloses a spacing slider can slide the die holder and set up in the bottom plate, through first locating lever, can peg graft after the die holder combination and twist to move fixedly, through the second locating lever, can peg graft after top plate and top die holder combination and twist to move fixedly, so that the dismouting mode of upper and lower mould is the same, so that can be according to the different demands of processing during subsequent use, come to replace die holder, top die holder of different appearance styles, through spacing slider, can guarantee the position accuracy and the stability of installation when die holder, top die holder assemble;

2. the utility model discloses an injection pipe, it runs through the lower surface to the upper die base, and the input is provided with feedway, can carry out ejection of compact injection molding, through the heater, can heat the heat preservation, thereby can keep the temperature when the material circulates downwards, avoid cooling off the sclerosis in advance and influence the effect of flow injection molding, and avoid the sclerosis to block up, through elastic shaft, valve clack and locating piece, can accomplish and receive the position of locating piece from automatic retrieving of valve clack when the pressure of bottom when moulding plastics, come to seal injection pipe, thereby avoid when the shaping the material to flow back to the solidification in the injection pipe and lead to the problem of jam;

3. the utility model discloses a double-end motor can drive the lead screw and rotate to can make the sliding block of both sides carry out the removal in step and control, through the rotation push-and-pull effect of movable connecting rod, can make the ejector beam reciprocate in the die holder, with this can be ejecting with the article is automatic after the shaping is accomplished, thereby be favorable to accelerating injection-moulding's efficiency, avoid artifical troublesome nature and the extravagant nature of time of getting the material.

Drawings

FIG. 1 is a schematic view of the whole front view internal structure of the anti-blocking injection mold for the sprue gate of the present invention;

fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 of the anti-blocking injection mold for a pouring gate of the present invention;

fig. 3 is the utility model relates to an injection mold die holder spatial structure schematic diagram that the sprue gate prevents stifled.

In the figure: 1. a lower supporting plate; 2. an installation mechanism; 201. a lower die holder; 202. a limiting slide block; 203. a first positioning rod; 204. an upper supporting plate; 205. an upper die holder; 206. a second positioning rod; 3. a discharging mechanism; 301. a double-headed motor; 302. a screw rod; 303. a slider; 304. a movable connecting rod; 305. a lifter bar; 4. a material injection mechanism; 401. a material injection pipe; 402. an elastic shaft; 403. a valve flap; 404. positioning blocks; 405. a heating wire.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 3, an injection mold with a sprue gate blockage prevention comprises a lower support plate 1 and a discharging mechanism 3, wherein an installation mechanism 2 for replacing a model is arranged above the inside of the lower support plate 1, the installation mechanism 2 comprises a lower support plate 201, a limiting slide block 202 and a first positioning rod 203, the limiting slide block 202 is fixed on two sides of the outside of the lower support plate 201, the first positioning rod 203 is installed on two sides of the bottom of the lower support plate 201, the installation mechanism 2 further comprises an upper support plate 204 and an upper support plate 205, the upper support plate 204 is arranged on the opposite side of the lower support plate 1, the upper support plate 205 is installed in the middle of the lower part of the upper support plate 204, the installation mechanism 2 further comprises a second positioning rod 206, the second positioning rod 206 is installed on two sides of the upper support plate 205 above the outside, the lower support plate 201 can be slidably arranged in the lower support plate 1 through the limiting slide block 202, the first positioning rod 203 can be screwed, inserted and fixed after the lower support plate 201 is combined, the second positioning rod 206 can be screwed and fixed after the upper support plate 204 and the upper support plate 205 are combined, so that the upper and the lower mold base can be assembled in the same way, and the lower mold base 201 can be assembled and can be accurately replaced by the lower mold base 201 according to different shapes and requirements of the lower mold bases 201, and the requirements of the lower mold base 201, and the lower mold base 205, and the lower mold base 201, and the lower mold base can be assembled and the upper mold base 205 can be assembled accurately assembled and the upper mold base 205;

as shown in fig. 1-2, a discharging mechanism 3 for fast discharging is installed below the inside of a lower supporting plate 1, a material injecting mechanism 4 for preventing solidification and deformation is arranged above the inside of an installing mechanism 2, the material injecting mechanism 4 comprises a material injecting pipe 401, an elastic shaft 402, a valve flap 403, a positioning block 404 and a heating wire 405, the elastic shaft 402 is arranged on two sides of the bottom of the material injecting pipe 401, the valve flap 403 is installed on one side of the elastic shaft 402, the valve flap 403 is elastically connected with the material injecting pipe 401 through the elastic shaft 402, the positioning block 404 is fixed on the bottom of the inner side of the material injecting pipe 401, the heating wire 405 is wound around the middle part of the inner wall of the material injecting pipe 401, the material injecting pipe 401 penetrates through the lower surface of an upper mold base 205, a feeding device is arranged at an input end, discharging and injection molding can be performed, heating and heat preservation can be performed through the heating wire 405, so that the temperature can be maintained when the material flows downwards, and the effect of flow injection molding can be prevented from being affected by cooling and hardening in advance, and avoid hardening and blocking, through the elastic shaft 402, the valve flap 403 and the locating block 404, the valve flap 403 can be automatically recovered to the position of the locating block 404 when the injection molding is completed and the pressure is applied to the bottom, so as to seal the material injection pipe 401, thereby avoiding the problem of blocking caused by the material flowing back to the material injection pipe 401 for solidification during the molding, the discharging mechanism 3 comprises a double-end motor 301 and a lead screw 302, the output end of the double-end motor 301 is rotatably connected with the lead screw 302, the discharging mechanism 3 further comprises a sliding block 303 and a movable connecting rod 304, the sliding block 303 is arranged at the front end outside the lead screw 302, one side above the sliding block 303 is connected with the movable connecting rod 304, the discharging mechanism 3 further comprises an ejection rod 305, the ejection rod 305 is arranged at the top of the movable connecting rod 304, the double-end motor 301 can drive the lead screw 302 to rotate, thereby enabling the sliding blocks 303 at two sides to synchronously move left and right, through the rotation push-and-pull effect of the movable connecting rod 304, the ejector rod 305 can move up and down in the lower die holder 201, so that the object can be automatically ejected out after the molding is completed, the injection molding processing efficiency is accelerated, and the trouble of manual material taking and the waste of time are avoided.

The working principle is as follows: as shown in fig. 1-3, when the injection mold is used, firstly, the lower mold base 201 can be slidably disposed in the lower support plate 1 through the limiting slide block 202, then, the lower mold base 201 can be assembled and then fixedly screwed through the first positioning rod 203, then, the upper support plate 204 and the upper mold base 205 can be assembled and then fixedly screwed through the second positioning rod 206, so that the upper and lower molds can be assembled and disassembled in the same manner, so that the lower mold base 201 and the upper mold base 205 with different appearance styles can be replaced according to different requirements of processing in subsequent use, and then, the position accuracy and the installation stability of the lower mold base 201 and the upper mold base 205 can be ensured through the limiting slide block 202, and at this time, the lower mold base 201 and the upper mold base 205 penetrate through the lower surface of the upper mold base 205 through the material injection pipe 401, and the input is provided with feedway, can carry out the ejection of compact and mould plastics, later through heater 405, can heat and keep warm, thereby can keep the temperature when the material circulates downwards, then through elastic shaft 402, valve clack 403 and locating piece 404, can be when moulding plastics the completion and receive the pressure of bottom valve clack 403 automatic recovery to the position of locating piece 404, come to seal notes material pipe 401, thereby avoid during the material backward flow annotates material pipe 401 when the shaping, at this moment through double-end motor 301, can drive lead screw 302 and rotate, thereby can make the sliding block 303 of both sides carry out the synchronous left and right movement, at last through the rotation push-and-pull effect of activity connecting rod 304, can make liftout pole 305 reciprocate in lower die holder 201, with this can be with the automatic ejecting of article after the shaping is accomplished.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an injection mold that sprue gate was prevented stifled, includes bottom plate (1) and discharge mechanism (3), its characterized in that, the inside top of bottom plate (1) is provided with installation mechanism (2) that are used for the model to change, is used for quick ejection of compact discharge mechanism (3) are installed in the inside below of bottom plate (1), the inside top of installation mechanism (2) is provided with notes material mechanism (4) that are used for preventing solidification deformation, annotate material mechanism (4) including annotating material pipe (401), elastic shaft (402), valve flap (403), locating piece (404) and heater (405), the bottom both sides of annotating material pipe (401) are provided with elastic shaft (402), and elastic shaft (402) one side installs valve flap (403) to valve flap (403) are through elastic shaft (402) and annotate material pipe (401) elastic connection, the inboard bottom of annotating material pipe (401) is fixed with locating piece (404), the inner wall middle part of annotating material pipe (401) is encircleed there is heater (405).

2. The anti-blocking injection mold for the pouring gate according to claim 1, wherein the mounting mechanism (2) comprises a lower mold base (201), a limiting sliding block (202) and a first positioning rod (203), the limiting sliding block (202) is fixed on two sides of the outer portion of the lower mold base (201), and the first positioning rod (203) is mounted on two sides of the bottom of the lower mold base (201).

3. The sprue gate blockage-preventing injection mold according to claim 1, wherein the mounting mechanism (2) further comprises an upper supporting plate (204) and an upper mold base (205), the upper supporting plate (204) is arranged on the opposite side of the lower supporting plate (1), and the upper mold base (205) is arranged in the middle below the upper supporting plate (204).

4. The sprue gate blockage-preventing injection mold according to claim 3, wherein the mounting mechanism (2) further comprises a second positioning rod (206), and the second positioning rod (206) is mounted on two sides above the outer portion of the upper mold base (205).

5. The sprue gate anti-blocking injection mold according to claim 1, wherein the discharging mechanism (3) comprises a double-head motor (301) and a screw rod (302), and the screw rod (302) is rotatably connected to an output end of the double-head motor (301).

6. The injection mold with the sprue gate being prevented from being blocked according to claim 5, wherein the discharging mechanism (3) further comprises a sliding block (303) and a movable connecting rod (304), the sliding block (303) is arranged at the front end of the outer portion of the screw rod (302), and the movable connecting rod (304) is connected to one side above the sliding block (303).

7. A sprue gate anti-clogging injection mould according to claim 6 characterised in that the tapping mechanism (3) further comprises an ejector pin (305) and that the ejector pin (305) is mounted on top of the movable connecting rod (304).