CN220113885U

CN220113885U - Mould structure based on injection molding

Info

Publication number: CN220113885U
Application number: CN202320553495.5U
Authority: CN
Inventors: 徐银尧; 杨云
Original assignee: Individual
Current assignee: Guangzhou Kexu Mold Machinery Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-12-01
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a mold structure based on injection molding, which comprises a mold frame, a moving assembly, an upper mold, a lower mold and a water tank, wherein the upper mold is arranged on the mold frame; further comprises: a fixed motor is fixedly arranged at the inner position of the bottom end of the upper die, and the knocking block is arranged in the lower die; one end of the water tank is connected with a pull rope, and the other end of the pull rope stretches into the lower die. This mould structure based on injection molding is provided with the driving gear, through starting fixed motor, and then makes fixed motor's output will drive the driving gear and rotate, and driven gear and driving gear all will drive the recess and rotate for the inside knocking piece that the laminating of recess set up will carry out round trip movement at the inner wall of bed die, and then can strike the bottom position of bed die and handle, through the above setting, thereby can effectually carry out the drawing of patterns to the inside material of bed die and handle.

Description

Mould structure based on injection molding

Technical Field

The utility model relates to the technical field of molds, in particular to a mold structure based on injection molding.

Background

Plastic products are commonly called articles for life, industry and the like which are processed by adopting plastics as main raw materials. The plastic industry has a very important role in the world today including all processes of injection molding, vacuum forming, etc. using plastic as a raw material, and the production of plastic products has been developing at a high speed throughout the world for many years, so that in the process of preparing plastic products, a mold is needed for auxiliary use, for example:

the utility model discloses an injection mold structure for processing accessories, the injection mold structure can be convenient for the drawing of patterns after the injection molding is finished, and the ejecting block of drawing of patterns structure is the same with the bottom surface size of the plastic part through ejecting drawing of patterns structure for the bottom area of the plastic part is great in the drawing of patterns process, thereby prevents the phenomenon of warping, and the device adopts a motor drive, converts the force into two ascending thrust of the same size through the transmission mode, thereby guarantees that the atress of ejecting block is even, thereby realizes the purpose of being convenient for ejecting;

during the operation of the above-mentioned file, a power through the motor converts into two forces, and then can carry out propelling movement processing with the inside material of mould, at this moment, can carry out effectual drawing of patterns processing, but can also have a problem, when annotating the material, the material will push pedal and the clearance between the mould carry out the seepage flow, so when drawing of patterns, the push pedal also can be through contacting with the material that the clearance is inside solidified when shifting up, and then when removing the push pedal, there is certain drawback, in order to solidify the material fast simultaneously, consequently, need use cooling device to accelerate the cooling treatment to the material.

Therefore, we propose a mold structure based on injection molding, which can well solve the above problems.

Disclosure of Invention

The utility model aims to provide a mold structure based on injection molding processing, which is used for solving the problems that one force of a motor is converted into two forces by a mold in the prior market, so that materials in the mold can be pushed and processed, and at the moment, effective demolding processing can be performed, but the problem is also that a gap between a pushing plate and the mold is seepage when the materials are injected, so that the pushing plate is contacted with the solidified materials in the gap when the pushing plate moves upwards during demolding, and a certain defect exists when the pushing plate moves, and meanwhile, a cooling device is needed to accelerate the cooling processing of the materials in order to rapidly solidify the materials.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a mold structure based on injection molding comprises a mold frame, a moving assembly, an upper mold, a lower mold and a water tank;

the top position of the die frame is fixedly provided with a moving assembly, the bottom of the moving assembly is in threaded connection with the inner position of the top end of the upper die, the bottom position of the die frame is fixedly provided with a lower die, the upper die is arranged on the outer side of the guide rail in a sliding manner, and the left end and the right end of the die frame are respectively fixedly provided with a water tank;

further comprises:

the fixed motor is fixedly arranged at the inner position of the bottom end of the upper die, the driving gear is connected with the outer key of the output end of the fixed motor, the driven gears are connected at the left side and the right side of the driving gear in a meshed mode, grooves are formed in the top of the driven gears and the top of the driving gear, knocking blocks are attached to the inner portions of the grooves, and the knocking blocks are arranged in the lower die;

one end of the water tank is connected with a pull rope, and the other end of the pull rope stretches into the lower die.

Preferably, the bottom position bearing of driven gear is connected inside the bottom of bed die, just driven gear has two sets of about the centre of a circle position symmetry distribution of driving gear, and then makes things convenient for driven gear to rotate in the inside bottom of bed die.

Preferably, the grooves are distributed at equal angles with respect to the circle center positions of the driving gear and the driven gear, the inner walls of the grooves are attached to the outer walls of the knocking blocks, and the knocking blocks form an up-down sliding structure between the grooves and the inner walls of the lower die, so that the knocking blocks can conveniently knock the inner walls of the bottom ends of the lower die.

Preferably, one end of the conveying pipe, the other end of which extends out of the lower die, is connected with a water source collecting box, pull ropes are respectively bound at the left side and the right side of the upper die, the other end of each pull rope is wound on the outer side of a rotating rod, and an eccentric wheel is fixed at one end of the rotating rod, which extends into the die frame, so that the eccentric wheel can conveniently extrude the outer side of the conveying pipe.

Preferably, the bottom outside laminating of eccentric wheel is in the top outside of conveyer pipe, just the eccentric wheel sets up the inner wall at the mould frame to make the inner wall that the water tank flowed to the conveyer pipe become turbulent.

Preferably, one end bearing of the rotating rod is connected to the inner wall of the mold frame, and a spring is arranged at one end position of the rotating rod connected with the mold frame, so that the rotating rod can be reset and rotated conveniently through the spring.

Compared with the prior art, the beneficial effect setting structure of the utility model is as follows:

(1) The mold structure based on injection molding is provided with the driving gear, the driving gear is driven to rotate by starting the fixed motor, so that the output end of the fixed motor drives the driving gear to rotate, the driven gear is in meshed connection with the driven gear to rotate, at the moment, when the driven gear rotates, the driven gear and the driving gear both drive the groove to rotate, so that the knocking block attached to the inside of the groove can move back and forth on the inner wall of the lower mold, the bottom end position of the lower mold can be knocked, and the material inside the lower mold can be effectively demoulded through the arrangement;

(2) This mould structure based on injection molding is provided with the water tank, and when going up the mould and remove, will drive the stay cord and remove, so the water source that the conveyer pipe is inside will be extruded by the eccentric wheel to the water tank transport, so can the water source will become turbulent at the inside velocity of flow of bed die to can effectually clamp splice carry out cooling treatment to the inside material of bed die.

Drawings

FIG. 1 is a schematic view of a front view in cross section;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic top view of a driving gear according to the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure of the eccentric wheel of the present utility model;

fig. 5 is a schematic view of the left-hand cross-section structure of the eccentric wheel of the present utility model.

In the figure: 1. a mold frame; 2. a moving assembly; 3. an upper die; 4. a lower die; 5. fixing a motor; 6. a drive gear; 7. a driven gear; 8. a groove; 9. knocking the block; 10. a guide rail; 11. a water tank; 12. a delivery tube; 13. a pull rope; 14. a rotating lever; 15. an eccentric wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the mold structure based on injection molding comprises a mold frame 1, a moving assembly 2, an upper mold 3, a lower mold 4 and a water tank 11;

the top position of the die frame 1 is fixedly provided with a moving assembly 2, the bottom of the moving assembly 2 is in threaded connection with the inner position of the top end of the upper die 3, the bottom position of the die frame 1 is fixedly provided with a lower die 4, the upper die 3 is arranged on the outer side of the guide rail 10 in a sliding manner, and the left end and the right end of the die frame 1 are respectively fixedly provided with a water tank 11;

embodiment one:

the bottom end inner position of the upper die 3 is fixedly provided with a fixed motor 5, the outer side key of the output end of the fixed motor 5 is connected with a driving gear 6, the left side position and the right side position of the driving gear 6 are respectively connected with a driven gear 7 in a meshed mode, the bottom position of the driven gear 7 is connected with the bottom end inner part of the lower die 4 in a bearing mode, and the driven gears 7 are symmetrically distributed in two groups relative to the center position of the driving gear 6; grooves 8 are formed in the top of the driven gear 7 and the top of the driving gear 6, the grooves 8 are distributed at equal angles with respect to the center positions of the driving gear 6 and the driven gear 7, the inner wall of each groove 8 is attached to the outer wall of each knocking block 9, and each knocking block 9 forms an up-down sliding structure with the inner wall of the lower die 4 through the grooves 8; a knocking block 9 is arranged in the groove 8 in a fitting manner, and the knocking block 9 is arranged in the lower die 4;

with reference to fig. 1, fig. 4 and fig. 5, the lower mold 4 is filled with materials, then, the moving assembly 2 is started to drive the upper mold 3 to move outside the guide rail 10, at this time, the upper mold 3 will drive the pull rope 13 to move in the descending process, so that the rotating rod 14 wound by the other end of the pull rope 13 will stably rotate, at this time, the rotating rod 14 will also drive the eccentric wheel 15 to rotate, so that the eccentric wheel 15 will squeeze the bottom end position of the conveying pipe 12, and then the flow rate of an internal water source conveyed to the lower mold 4 by the conveying pipe 12 by the water tank 11 will become turbulent, and the purpose of cooling the interior of the lower mold 4 can be accelerated.

Embodiment two:

one end of the water tank 11 is connected with a pull rope 13, and the other end of the pull rope 13 extends into the lower die 4; one end of the conveying pipe 12, which extends out of the lower die 4, is connected with a water source collecting box, pull ropes 13 are bound at the left side and the right side of the upper die 3, the other end of each pull rope 13 is wound on the outer side of a rotating rod 14, one end of each rotating rod 14 is connected with the inner wall of the die frame 1 through a bearing, and a spring is arranged at the position of one end of each rotating rod 14 connected with the die frame 1; one end of the rotating rod 14 extending into the die frame 1 is fixedly provided with an eccentric wheel 15; the bottom outside of eccentric wheel 15 laminating is in the top outside of conveyer pipe 12, and eccentric wheel 15 sets up the inner wall at mould frame 1.

When demolding is needed, the moving assembly 2 drives the upper mold 3 to separate from the top position of the lower mold 4, and then the fixed motor 5 inside the bottom end of the lower mold 4 is started to rotate, so that the output end of the fixed motor 5 drives the driving gear 6 to rotate on the inner wall of the lower mold 4, the driven gear 7 engaged and connected with the left side and the right side of the driving gear 6 rotates inside the lower mold 4, the groove 8 formed at the top position of the driven gear 7 and the driving gear 6 rotates, the knocking block 9 attached inside the groove 8 moves back and forth inside the bottom end of the lower mold 4, vibration generated by the knocking block 9 knocking the bottom end inside the lower mold 4 is generated, and demolding treatment is performed on materials inside the lower mold 4 through vibration.

Working principle: when the mold structure based on injection molding is used, with reference to fig. 1, fig. 4 and fig. 5, the interior of the lower mold 4 is filled with materials, then, the upper mold 3 is driven to move by starting the moving assembly 2, at the moment, the upper mold 3 drives the pull rope 13 to move in the descending process, so that the rotating rod 14 wound by the other end of the pull rope 13 stably rotates, at the moment, the rotating rod 14 also drives the eccentric wheel 15 to rotate, so that the eccentric wheel 15 can squeeze the bottom end position of the conveying pipe 12, the flow rate of an internal water source conveyed to the lower mold 4 by the conveying pipe 12 becomes turbulent, and the purpose of cooling the interior of the lower mold 4 can be accelerated;

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The mold structure based on injection molding comprises a mold frame (1), a moving assembly (2), an upper mold (3), a lower mold (4), a guide rail (10), a water tank (11) and a conveying pipe (12);

the top position of the die frame (1) is fixedly provided with a moving assembly (2), the bottom of the moving assembly (2) is in threaded connection with the inner position of the top end of the upper die (3), the lower die (4) is fixed at the bottom position of the die frame (1), the upper die (3) is arranged on the outer side of the guide rail (10) in a sliding manner, and water tanks (11) are fixed at the left end and the right end of the die frame (1);

characterized by further comprising:

the novel die is characterized in that a fixed motor (5) is fixedly arranged at the inner position of the bottom end of the upper die (3), a driving gear (6) is connected with the outer side key of the output end of the fixed motor (5), driven gears (7) are connected at the left side and the right side of the driving gear (6) in a meshed mode, grooves (8) are formed in the top of the driven gears (7) and the top of the driving gear (6), a knocking block (9) is attached to the inner portion of the grooves (8), and the knocking block (9) is arranged in the lower die (4);

one end of the water tank (11) is connected with a pull rope (13), and the other end of the pull rope (13) stretches into the lower die (4).

2. The injection molding-based mold structure of claim 1, wherein: the bottom position bearing of the driven gear (7) is connected inside the bottom end of the lower die (4), and the driven gear (7) is symmetrically distributed with two groups relative to the center position of the driving gear (6).

3. The injection molding-based mold structure of claim 1, wherein: the grooves (8) are distributed at equal angles with respect to the circle center positions of the driving gear (6) and the driven gear (7), the inner walls of the grooves (8) are attached to the outer walls of the knocking blocks (9), and the knocking blocks (9) form an up-down sliding structure between the grooves (8) and the inner walls of the lower die (4).

4. The injection molding-based mold structure of claim 1, wherein: one end of the other end position of the conveying pipe (12) extending out of the outer side of the lower die (4) is connected with a water source collecting box, pull ropes (13) are respectively bound at the left side and the right side of the upper die (3), the other end position of each pull rope (13) is wound on the outer side of a rotating rod (14), and one end position of each rotating rod (14) extending into the die frame (1) is fixedly provided with an eccentric wheel (15).

5. The injection molding-based mold structure of claim 4, wherein: the bottom outside laminating of eccentric wheel (15) is in the top outside of conveyer pipe (12), just eccentric wheel (15) set up the inner wall at mould frame (1).

6. The injection molding-based mold structure of claim 4, wherein: one end bearing of the rotating rod (14) is connected to the inner wall of the die frame (1), and a spring is arranged at the position of one end, connected with the die frame (1), of the rotating rod (14).