CN218505138U

CN218505138U - Traceless drawing-proof die opening structure of injection mold

Info

Publication number: CN218505138U
Application number: CN202222909960.2U
Authority: CN
Inventors: 孙晓晔; 田义成; 黄连波
Original assignee: Shenzhen Dimension Precision Mould Co ltd
Current assignee: Shenzhen Dimension Precision Mould Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-21
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses an injection mold does not have trace and prevents drawing die sinking structure, including the mould main part, the mould main part includes mould and lower mould, but go up mould vertical removal mould plastics the pressfitting with the product, the lower mould with go up and be provided with scraper between the mould. This injection mold does not have trace and prevents drawing die structure, it is rotatory through opening the scraper motor and then drive the threaded rod, can drive the threaded sleeve under the effect of screw thread and scrape the flitch and remove to clamp plate one side, the movable cylinder can slide along the dead lever outer wall this moment and ensure the stability of scraping the flitch and removing, the inclined plane on the flitch of scraping simultaneously can conflict refrigerated product, and make the product can not receive the clamp plate tensile and take place deformation, play the non-trace and prevent tensile effect, the aesthetic property of shaping product has been strengthened.

Description

Injection mold does not have trace and prevents drawing die sinking structure

Technical Field

The utility model relates to a die sinking structure technical field specifically is an injection mold does not have trace and prevents drawing die sinking structure.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

For example, the Chinese granted patent has the publication number: CN216760590U an injection mold easy to open mold, belonging to the technical field of injection molding, comprising an injection mold main body easy to open mold, wherein an adjusting device is arranged outside the injection mold main body easy to open mold; adjusting device includes lead screw, support, movable plate, motor and set casing, the below of easy die sinking injection mold main part is provided with the support, the set casing is installed to the top of support and the position that is located easy die sinking injection mold main part one side, the motor is installed to the inboard of support and the position that corresponds with the set casing, the lead screw is installed to the top of motor, install the movable plate with the corresponding position of lead screw in the easy die sinking injection mold main part, can play the effect of the die sinking of being convenient for.

However, the existing injection mold is generally opened in a straight-up and straight-down manner in the mold opening process, and after the injection molding is completed, the problems of wire drawing and the like at the top of an injection molded product can be caused after the mold opening structure works, so that the surface of the injection molded product is marked, and the attractiveness of equipment is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides an injection mold does not have trace and prevents drawing die sinking structure, it is rotatory through opening the scraper motor and then the drive threaded rod, can drive the threaded sleeve under the effect of screw thread and scrape the flitch and remove to clamp plate one side, movable cylinder can guarantee to scrape the stability that the flitch removed along the slide of dead lever outer wall this moment, the refrigerated product can be contradicted to on scraping the inclined plane on the flitch simultaneously, and make the product can not receive the clamp plate tensile and take place deformation, play the effect that does not have the trace and prevent drawing, the advantages such as aesthetic property of shaping product have been strengthened, the problem that the background art provided is solved.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold does not have trace and prevents drawing die sinking structure, includes the mould main part, the mould main part includes mould and lower mould, but go up mould vertical movement with the pressfitting of moulding plastics of product, the lower mould with be provided with scraper between the mould.

Preferably, the mold main body further comprises an injection molding port, an injection molding channel and an injection molding cavity, the injection molding channel and the injection molding cavity are arranged inside the lower mold, the injection molding port is fixedly connected to the outer wall of the mold main body, and the injection molding port, the injection molding channel and the injection molding cavity are communicated from right to left.

Preferably, the bottom end of the upper die is fixedly connected with a pressing plate, and the injection molding cavity is matched with the pressing plate in shape.

Preferably, mould main part top fixedly connected with support, the hydraulic stem is installed at the support top, the hydraulic stem output is connected in last mould top.

Preferably, the scraping device comprises a scraping motor, a threaded rod, a threaded sleeve and a scraping plate, the scraping motor is installed on the outer wall of the die main body, the output end of the scraping motor is connected with the threaded rod, the threaded rod is in threaded connection with the threaded sleeve, one end, far away from the threaded rod, of the threaded sleeve is rotatably connected with the scraping plate, when the die is opened, the pressing plate is parallel to the scraping plate, the scraping plate can move to one side of the pressing plate, and a cooled product is scraped.

Preferably, the bottom end of the scraping plate is provided with an inclined plane, and the inclined plane is distributed on one side far away from the pressing plate from top to bottom.

Preferably, a fixed rod is fixed on the inner wall of the die main body, and a movable cylinder fixed with the scraping plate is sleeved on the outer wall of the fixed rod.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this injection mold does not have trace and prevents drawing die sinking structure, through setting up the mould, the mouth of moulding plastics, the lower mould, the passageway of moulding plastics, the cavity of moulding plastics, a pressing plate, support and hydraulic stem, through pouring into the mouth of moulding plastics with the raw materials, the raw materials can enter into the cavity of moulding plastics through the passageway of moulding plastics this moment inside, open the hydraulic stem messenger afterwards and go up the mould downstream, it can drive the clamp plate and enter into the cavity inner wall of moulding plastics to go up the mould, and carry out hot pressing with the raw materials, after the raw materials cooling, can open the hydraulic stem drive and go up mould and clamp plate rebound to be in same horizontal plane with scraping the flitch, thereby reach the die sinking effect, this kind of mode is more labour saving and time saving, the work efficiency of reinforcing equipment.

2. This injection mold does not have trace and prevents drawing die sinking structure, scrape the material motor through setting up, the threaded rod, the threaded sleeve, scrape the flitch, dead lever and movable cylinder, it is rotatory through opening to scrape the material motor and then drive the threaded rod, can drive the threaded sleeve under the effect of screw thread and scrape flitch and remove to clamp plate one side, the movable cylinder can slide along the dead lever outer wall this moment and ensure the stability that the flitch removed, the refrigerated product can be contradicted to the inclined plane on the flitch simultaneously of scraping, and make the product can not receive the clamp plate tensile and take place deformation, play the tensile effect of no trace, the aesthetic property of shaping product has been strengthened.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic structural view of the scraping device of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.

In the figure: 1. a mold body; 211. an upper die; 212. an injection molding port; 213. a lower die; 214. injection molding a channel; 215. an injection molding cavity; 216. pressing a plate; 217. a support; 218. a hydraulic rod; 311. a scraping motor; 312. a threaded rod; 313. a threaded sleeve; 314. a scraping plate; 315. fixing the rod; 316. a movable barrel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the traceless anti-drawing mold opening structure of the injection mold comprises a mold main body 1, wherein the mold main body 1 comprises an upper mold 211, an injection molding opening 212, a lower mold 213, an injection molding channel 214 and an injection molding cavity 215, the upper mold 211 can vertically move to mold and press a product, a scraping device is arranged between the lower mold 213 and the upper mold 211, the scraping device can be arranged to prevent the product from being adhered, the traceless anti-drawing of the injection molded product can be ensured, and the injection molded product has certain attractiveness. The injection molding channel 214 and the injection molding cavity 215 are arranged inside the lower mold 213, the outer wall of the mold body 1 is fixedly connected with the injection molding port 212, the injection molding channel 214 and the injection molding cavity 215 are communicated from right to left, a worker can inject raw materials into the injection molding port 212, the raw materials enter the injection molding cavity 215 through the injection molding channel 214, and the molding effect is achieved by cooling in the injection molding cavity 215. Go up mould 211 bottom fixedly connected with clamp plate 216, mould plastics cavity 215 and clamp plate 216 shape and match each other, can drive clamp plate 216 after last mould 211 moves down and insert inside the cavity 215 of moulding plastics to carry out hot pressing with the product, realize better effect of moulding plastics.

Mould main part 1 top fixedly connected with support 217, hydraulic stem 218 is installed at support 217 top, and hydraulic stem 218 output is connected in last mould 211 top, can drive to go up mould 211 and clamp plate 216 through opening hydraulic stem 218 and be vertical reciprocating motion, and this kind of mode operation is labour saving and time saving more, has strengthened the die sinking efficiency of equipment.

The scraping device comprises a scraping motor 311, a threaded rod 312, a threaded sleeve 313 and a scraping plate 314, the scraping motor 311 is installed on the outer wall of the die body 1, the output end of the scraping motor 311 is connected with the threaded rod 312, the outer wall of the threaded rod 312 is in threaded connection with the threaded sleeve 313, one end, far away from the threaded rod 312, of the threaded sleeve 313 is rotated and connected with the scraping plate 314, when the die is opened, the pressing plate 216 is parallel to the scraping plate 314, the scraping plate 314 can move to one side of the pressing plate 216, a cooled product is scraped, the scraping motor 311 is opened, the threaded rod 312 can be driven to rotate, the threaded sleeve 313 and the scraping plate 314 can be driven to move to one side of the pressing plate 216 under the action of threads, and the purpose of scraping is achieved. Scraping flitch 314 bottom and having seted up an inclined plane, this inclined plane top-down is and keeps away from clamp plate 216 one side and distributes, sets up the inclined plane and can play further safeguard effect, and the product can laminate with the inclined plane to the extrusion product drops with clamp plate 216, and this kind of mode can reach the effect that the drawing is prevented to the no trace, guarantees that the product is difficult for taking place deformation and damage. The fixed rod 315 is fixed on the inner wall of the mold body 1, the movable cylinder 316 fixed with the scraping plate 314 is sleeved on the outer wall of the fixed rod 315, the movable cylinder 316 and the fixed rod 315 are arranged to play a good guiding effect, and the scraping plate 314 can drive the movable cylinder 316 to slide along the outer wall of the fixed rod 315 when moving, so that the scraping plate 314 is guaranteed to move stably enough.

The working principle is as follows: when the mold needs to be used, raw materials are injected into the injection molding opening 212, then the raw materials can enter the injection molding cavity 215 through the injection molding channel 214, then the hydraulic rod 218 is opened to enable the upper mold 211 to move downwards, the upper mold 211 can drive the pressing plate 216 to enter the inner wall of the injection molding cavity 215 and carry out hot pressing on the raw materials, after the raw materials are cooled, the hydraulic rod 218 can be opened to drive the upper mold 211 and the pressing plate 216 to move upwards to be located on the same horizontal plane with the scraping plate 314, and therefore the mold opening effect is achieved, the mode is more time-saving and labor-saving, and the working efficiency of the equipment is improved;

subsequently, open scraping motor 311 and then drive threaded rod 312 and rotate, can drive threaded sleeve 313 and scraping plate 314 and remove to clamp plate 216 one side under the effect of screw thread, the stability that scraping plate 314 removed can be guaranteed along the outer wall slip of dead lever 315 to the movable cylinder 316 this moment, the inclined plane on scraping plate 314 can contradict refrigerated product simultaneously, and make the product can not receive clamp plate 216 tensile and take place deformation, play the tensile effect of no trace anti-stretch, the aesthetic property of shaping product has been strengthened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold does not have trace and prevents drawing die sinking structure, includes mould main part (1), its characterized in that: the mould main body (1) comprises an upper mould (211) and a lower mould (213), wherein the upper mould (211) can vertically move to mould and press a product, and a scraping device is arranged between the lower mould (213) and the upper mould (211).

2. The injection mold traceless anti-pulling mold opening structure according to claim 1, characterized in that: the injection mold is characterized in that the mold body (1) further comprises an injection molding port (212), an injection molding channel (214) and an injection molding cavity (215), the injection molding channel (214) and the injection molding cavity (215) are arranged inside a lower mold (213), the outer wall of the mold body (1) is fixedly connected with the injection molding port (212), and the injection molding port (212), the injection molding channel (214) and the injection molding cavity (215) are communicated from right to left.

3. The injection mold traceless pull-proof open mold structure according to claim 2, wherein: the bottom end of the upper die (211) is fixedly connected with a pressure plate (216), and the injection molding cavity (215) is matched with the pressure plate (216) in shape.

4. The injection mold traceless anti-pulling mold opening structure according to claim 1, characterized in that: the mould is characterized in that a support (217) is fixedly connected to the top end of the mould main body (1), a hydraulic rod (218) is installed at the top of the support (217), and the output end of the hydraulic rod (218) is connected to the top of the upper mould (211).

5. The injection mold traceless anti-pulling mold opening structure according to claim 1, characterized in that: the scraping device comprises a scraping motor (311), a threaded rod (312), a threaded sleeve (313) and a scraping plate (314), the scraping motor (311) is installed on the outer wall of the die body (1), the output end of the scraping motor (311) is connected with the threaded rod (312), the outer wall of the threaded rod (312) is in threaded connection with the threaded sleeve (313), one end, far away from the threaded rod (312), of the threaded sleeve (313) is connected with the scraping plate (314) in a rotating mode, when the die is opened, the pressing plate (216) is parallel to the scraping plate (314), and the scraping plate (314) can move to one side of the pressing plate (216) to scrape a cooled product.

6. The injection mold traceless anti-pulling mold opening structure according to claim 5, wherein: the bottom end of the scraping plate (314) is provided with an inclined surface which is distributed from top to bottom at one side far away from the pressing plate (216).

7. The injection mold traceless anti-pulling mold opening structure according to claim 6, characterized in that: the die is characterized in that a fixing rod (315) is fixed on the inner wall of the die main body (1), and a movable cylinder (316) fixed with the scraping plate (314) is sleeved on the outer wall of the fixing rod (315).