CN111844651A

CN111844651A - High-efficiency energy-saving plastic part injection molding mold

Info

Publication number: CN111844651A
Application number: CN202010830549.9A
Authority: CN
Inventors: 许月婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-30

Abstract

The invention relates to the technical field of injection molds, and particularly discloses a high-efficiency energy-saving plastic part injection molding mold which comprises a bottom plate and an injection molding pipe, wherein supporting legs are fixedly connected at four corners of the bottom plate, a mold box is fixedly connected at the center of the top of the bottom plate, telescopic cylinders are fixedly connected at four corners of the top of the mold box, a top plate is fixedly connected at the top of each telescopic cylinder, supporting rods are fixedly connected at the left side and the right side of each top plate, fixing plates are fixedly connected at the bottoms of the supporting rods, the bottoms of the injection molding pipes are positioned on the inner wall of each fixing plate and penetrate through the bottoms, meanwhile, the PLC is matched, so that a worker can eject the workpiece after the workpiece is cooled and formed in the die cavity for a period of time, the traditional spring ejection mode is replaced, the workpiece ejecting device has the advantages that the worker can use the workpiece ejecting device more conveniently, and the problem that the workpiece is broken in the ejecting process due to no forming is solved.

Description

High-efficiency energy-saving plastic part injection molding mold

Technical Field

The invention relates to the technical field of injection molds, in particular to an efficient energy-saving plastic part injection molding mold.

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. The method is characterized in that plastic melted by heat is injected into a mold cavity at high pressure through an injection molding machine, a formed product is obtained after cooling and solidification, the existing injection mold can eject out the mold after molding, but the mold after injection is ejected out through a spring ejection mode, and the mold needs a certain cooling time after injection, and through the spring ejection mode, the mode is easy to eject out a workpiece in the mold cavity when the mold is not completely formed, is inconvenient to use, and cannot eject out the formed workpiece in the mold cavity through manual control.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an efficient energy-saving plastic part injection molding mold which has the advantages of convenience for operation and use of a user and the like, and solves the problem that the traditional injection molding mold is inconvenient for the user to operate and use by ejecting the mold through a spring.

The invention relates to an efficient energy-saving plastic part injection molding mold, which comprises a bottom plate and an injection molding pipe, wherein supporting legs are fixedly connected at four corners of the bottom plate, a mold box is fixedly connected at the center of the top of the bottom plate, telescopic cylinders are fixedly connected at four corners of the top of the mold box, a top plate is fixedly connected at the top of the telescopic cylinders, supporting rods are fixedly connected at the left side and the right side of the top plate, a fixed plate is fixedly connected at the bottom of the supporting rods, the bottom of the injection molding pipe is positioned on the inner wall of the fixed plate, the bottom of the injection molding pipe penetrates through the bottom of the fixed plate, a mold cavity is arranged at the center of the top of the mold box, a cavity is arranged on the front surface of the mold box, through grooves are arranged at the left side and the right side of the top of the cavity and close to, the side that two gears kept away from each other all meshes has the rack, the equal fixedly connected with connecting rod in the front and the back of rack, and two connecting rods that are located on same rack are sliding connection respectively in the front and the back of cavity inner wall, the central fixedly connected with kicking block at rack top.

According to the efficient energy-saving plastic part injection molding mold, the connecting grooves are formed in the tops of the left side and the right side of the mold cavity, the connecting blocks are fixedly connected to the left side and the right side of the fixing plate, the bottoms of the connecting blocks are movably inserted into the connecting grooves, the clamping blocks are fixedly connected to the bottoms of the connecting blocks, the clamping grooves are formed in the bottoms of the connecting grooves, and the clamping blocks are movably inserted into the clamping grooves.

According to the efficient energy-saving plastic part injection molding mold, the side, far away from each other, of each of the two connecting rods on the same rack is fixedly connected with the sliding block, the front side and the back side of the inner wall of the cavity, close to the center, of the left side and the right side are provided with the sliding grooves, and the sliding blocks are connected in the sliding grooves in a sliding mode.

According to the high-efficiency energy-saving plastic part injection molding mold, the top block is movably connected in the through groove, the size and the shape of the top block are matched with those of the through groove, the top of the top block and the bottom of the inner wall of the mold cavity are positioned on the same horizontal plane, the structure is arranged, so that the top block can move up and down in the through groove, and meanwhile, the top block can keep the sealing property of the bottom of the mold cavity when not used.

According to the high-efficiency energy-saving plastic part injection molding mold, a PLC (programmable logic controller) is installed at the bottom of the inner wall of the cavity, the rotating directions of the two motors are opposite, and the telescopic cylinder and the motors are connected in parallel to the PLC.

According to the efficient energy-saving plastic part injection molding mold, the box door is hinged to the position, located on the left side of the cavity, of the front face of the mold box, the cavity is communicated with the mold cavity through the through groove, and due to the structural arrangement, a worker can open the box door and can conveniently maintain an internal motor or a gear.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arrangement of the motor, the rotating rod, the gear, the rack, the jacking block and the PLC, when a worker needs to take out a workpiece formed in the die cavity, the worker can open the motor through the PLC to start the motor, so that the gear is driven to rotate, the rack is driven to move upwards, and the workpiece in the die cavity is ejected through the jacking block.

2. According to the invention, through the arrangement of the connecting block, the connecting groove, the fixture block and the clamping groove, after a worker moves the fixing plate to the top of the die cavity through the telescopic cylinder, the connecting block can be clamped into the connecting groove, and meanwhile, the fixture block can be clamped into the clamping groove, so that after the fixing plate covers the top of the die cavity, the sealing performance of the interior of the die cavity can be better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall front view cross section of the shortened telescopic cylinder of the present invention;

FIG. 3 is a schematic view of the overall front view structure of the present invention;

FIG. 4 is a schematic top sectional view of the mold box of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a base plate; 2. a mold box; 3. a telescopic cylinder; 4. a top plate; 5. supporting legs; 6. a support bar; 7. a fixing plate; 8. injection molding a tube; 9. connecting blocks; 10. a clamping block; 11. a mold cavity; 12. connecting grooves; 13. a card slot; 14. a cavity; 15. a motor; 16. rotating the rod; 17. a gear; 18. a rack; 19. a connecting rod; 20. a slider; 21. a chute; 22. a PLC controller; 23. a through groove; 24. a box door; 25. and (7) a top block.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-5, the high-efficiency energy-saving plastic injection molding mold of the invention comprises a bottom plate 1 and an injection molding pipe 8, wherein four corners of the bottom plate 1 are fixedly connected with supporting legs 5, the center of the top of the bottom plate 1 is fixedly connected with a mold box 2, four corners of the top of the mold box 2 are fixedly connected with telescopic cylinders 3, the top of the telescopic cylinders 3 is fixedly connected with a top plate 4, the left side and the right side of the top plate 4 are fixedly connected with supporting rods 6, the bottom of the supporting rods 6 is fixedly connected with a fixing plate 7, the bottom of the injection molding pipe 8 is positioned on the inner wall of the fixing plate 7 and penetrates through the bottom of the fixing plate 7, the center of the top of the mold box 2 is provided with a mold cavity 11, the front of the mold box 2 is provided with a cavity 14, the left side and the right, output fixedly connected with dwang 16 of motor 15, the front of dwang 16 is rotated with the front of cavity 14 mutually and is connected, the central point fixedly connected with gear 17 on dwang 16 surface, one side that two gears 17 kept away from each other all meshes has rack 18, the front and the equal fixedly connected with connecting rod 19 in the back of rack 18, two connecting rods 19 that are located on same rack 18 are sliding connection respectively in the front and the back of cavity 14 inner wall, the central fixedly connected with kicking block 25 at rack 18 top.

Connecting groove 12 has all been seted up at the top of the 11 left and right sides of die cavity, the equal fixedly connected with connecting block 9 of the left and right sides of fixed plate 7, the bottom activity of connecting block 9 is pegged graft in connecting groove 12, connecting block 9's bottom fixedly connected with fixture block 10, draw-in groove 13 has been seted up to the bottom of connecting groove 12, fixture block 10 activity is pegged graft in draw-in groove 13, the structure sets up, make the staff remove to die cavity 11 top back through telescopic cylinder 3 with fixed plate 7, connecting block 9 can block into in connecting groove 12, fixture block 10 can block into in draw-in groove 13 simultaneously, thereby make fixed plate 7 cover die cavity 11 top back, the inside sealing performance of die cavity 11 can.

The equal fixedly connected with slider 20 in the one side that two connecting rods 19 on same rack 18 kept away from each other, cavity 14 inner wall openly and the back just are close to the left and right sides of central authorities and have all seted up spout 21, slider 20 sliding connection is in spout 21, this structure setting for rack 18 can drive slider 20 through connecting rod 19 and slide in spout 21 when the upward movement, thereby makes rack 18 stability that can be more when the motion.

The kicking block 25 swing joint is in leading to groove 23, and the size and the shape of kicking block 25 and the size and the shape mutual adaptation that lead to groove 23, the top of kicking block 25 and the bottom of die cavity 11 inner wall are in same horizontal plane, and this structure setting for kicking block 25 can reciprocate in leading to groove 23, and kicking block 25 also can keep the leakproofness of die cavity 11 bottom when not using simultaneously.

The bottom of the inner wall of the cavity 14 is provided with a PLC (programmable logic controller) 22, the rotating directions of the two motors 15 are opposite, and the telescopic cylinder 3 and the motors 15 are connected on the PLC 22 in parallel.

The front of mould case 2 just is located cavity 14 left position department and articulates there is chamber door 24, and cavity 14 and die cavity 11 communicate each other through logical groove 23, and this structure setting for the staff can open chamber door 24, alright maintain with convenient motor 15 or the gear 17 to inside.

In the use of the invention: firstly, the worker shortens the telescopic cylinder 3, thereby driving the top and the fixed plate 7 to move downwards together, the fixed plate 7 is moved to the top of the mold cavity 11, at the moment, the connecting block 9 can be clamped into the connecting groove 12, meanwhile, the clamping block 10 is clamped into the clamping groove 13, thereby ensuring that the space formed by the mold cavity 11 and the fixed plate 7 can be sealed, then the injection molding pipe 8 can be communicated with an external injection molding machine, then the mold cavity 11 is subjected to injection molding, after the injection molding is completed, the worker can adjust the telescopic cylinder 3 to extend, so that the fixed plate 7 does not cover the top of the mold cavity 11, at the moment, the workpiece in the mold cavity 11 is in a cooling molding stage, then the two motors 15 are controlled to rotate by the PLC 22, when the output shafts of the motors 15 rotate, the rotating rods 16 are driven to rotate, meanwhile, the gears 17 are driven to rotate, the top block 25 at the top is driven to move upwards, so that the cooled and molded workpiece is ejected out of the die cavity 11, the device ejects the workpiece through transmission between the gear 17 and the rack 18, the traditional ejection mode through a spring is replaced, the workpiece in the die cavity 11 has sufficient cooling time, and the integrity of the workpiece is ensured;

meanwhile, the cooling time of the workpiece in the device can be recorded by a worker through multiple operations, the time can be recorded as the time period from the time when the telescopic cylinder 3 starts to move upwards to the time when the workpiece is completely cooled and formed, the time for controlling the motor 15 to rotate through the PLC 22 is limited, and the convenience of the worker in use is improved.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an energy-efficient a plastic injection moulding mould, includes bottom plate (1) and injection molding pipe (8), its characterized in that: the die comprises a bottom plate (1), supporting legs (5) are fixedly connected to four corners of the bottom plate (1), a die box (2) is fixedly connected to the center of the top of the bottom plate (1), telescopic cylinders (3) are fixedly connected to four corners of the top of the die box (2), a top plate (4) is fixedly connected to the tops of the telescopic cylinders (3), supporting rods (6) are fixedly connected to the left side and the right side of the top plate (4), fixing plates (7) are fixedly connected to the bottoms of the supporting rods (6), the bottom of an injection molding pipe (8) is located on the inner wall of each fixing plate (7) and penetrates through the bottoms of the fixing plates (7), a die cavity (11) is formed in the center of the top of the die box (2), a cavity (14) is formed in the front of the die box (2), through grooves (23) are formed in the top of the cavity (14) and in the left side and the right side, output fixedly connected with dwang (16) of motor (15), the front of dwang (16) rotates with the front of cavity (14) mutually and is connected, central point department fixedly connected with gear (17) on dwang (16) surface, two one side that gear (17) kept away from each other all meshes rack (18), the front and the equal fixedly connected with connecting rod (19) in the back of rack (18), two connecting rods (19) that are located on same rack (18) are sliding connection respectively in the front and the back of cavity (14) inner wall, the central fixedly connected with kicking block (25) at rack (18) top.

2. The high-efficiency energy-saving plastic part injection molding mold according to claim 1, characterized in that: connecting grooves (12) are formed in the tops of the left side and the right side of the die cavity (11), connecting blocks (9) are fixedly connected to the left side and the right side of the fixing plate (7), and the bottoms of the connecting blocks (9) are movably inserted into the connecting grooves (12).

3. The high-efficiency energy-saving plastic part injection molding mold according to claim 2, characterized in that: the bottom of the connecting block (9) is fixedly connected with a clamping block (10), the bottom of the connecting groove (12) is provided with a clamping groove (13), and the clamping block (10) is movably inserted into the clamping groove (13).

4. The high-efficiency energy-saving plastic part injection molding mold according to claim 1, characterized in that: the cavity (14) and the die cavity (11) are communicated with each other through a through groove (23).

5. The high-efficiency energy-saving plastic part injection molding mold according to claim 1, characterized in that: two on same rack (18) the equal fixedly connected with slider (20) in one side that connecting rod (19) kept away from each other, spout (21) have all been seted up to the left and right sides that cavity (14) inner wall openly and the back just is close to central authorities, slider (20) sliding connection is in spout (21).

6. The high-efficiency energy-saving plastic part injection molding mold according to claim 1, characterized in that: the ejector block (25) is movably connected in the through groove (23), the size and the shape of the ejector block (25) are matched with those of the through groove (23), and the top of the ejector block (25) and the bottom of the inner wall of the die cavity (11) are located on the same horizontal plane.

7. The high-efficiency energy-saving plastic part injection molding mold according to claim 1, characterized in that: PLC controller (22) is installed to the bottom of cavity (14) inner wall, and the rotation direction of two motors (15) is opposite, and telescopic cylinder (3) and motor (15) are parallelly connected on PLC controller (22).

8. The high-efficiency energy-saving plastic part injection molding mold according to claim 1, characterized in that: the front surface of the mould box (2) is hinged with a box door (24) at the position on the left side of the cavity (14).