CN209534069U - A mold structure of a plastic worm - Google Patents

Abstract

The utility model discloses a mold structure of a plastic worm, which comprises a mold frame and an internal mold component, wherein the internal mold component is arranged on the mold frame; the inner mold component is provided with a motor driving assembly; the motor driving assembly comprises a motor, straight gears and a fixing frame, the motor is arranged on one side of the die carrier, and the plurality of straight gears are fixed above the die carrier through the fixing frame; one of the spur gears is connected with the output end of the motor, and the plurality of spur gears are meshed with each other. The utility model relates to an ingenious, it is reasonable, the function is steady to full-automatic many caves demolding, through motor drive subassembly, die carrier, hot runner system's the work of mutually supporting, just can make smooth demolding of plastic worm product, wholly reduce the mould volume, because operate steadily, full automated production, furthest's the required precision that has satisfied the plastic worm product and guaranteed the stability of product, material saving and machine running cost, the utility model discloses the structure practicality is strong, does benefit to extensive popularization and application.

Description

A mold structure of a plastic worm

technical field

The utility model belongs to the field of moulds, in particular to a mold structure of a plastic worm.

Background technique

Plastic worm automatic mold ejection technology is a high-end technology in gear molds. It needs synchronous rotation to eject molds. It must not only ensure the accuracy of injection products, but also ensure that the injection molding cycle cannot be too long (involving production costs). The existing technology is generally It adopts hydraulic drive, and the transmission part adopts synchronous thread which is the same as the lead of the product. Due to the unsteady hydraulic drive, the overall speed of the product is not balanced when it is rotated out of the mold, and the force is not the same. The lead of the product after injection molding changes greatly. , usually cannot meet the accuracy requirements of the product drawing itself, and the use of synchronous threads makes the mold making complicated, and the lead of the product tooth embryo itself will have different degrees of error, and the cost is very high.

The worm is generally driven by an oil cylinder to drive the rack. The motor-driven method can reduce the overall mold volume, and the hot runner method can reduce the weight of the runner. The motor drives the metal spur gear and worm ejection technology, and cooperates with the hot runner system to reduce the weight of the runner, improve production efficiency and reduce costs.

Contents of the invention

In view of this, the utility model provides a mold structure of a plastic worm, and provides a structural design of a plastic worm ejection technology, which can not only ensure the controllability of the plastic worm ejection, product stability and product accuracy requirements, but also It can reduce the cost of molding, reduce the dependence on external machinery, reduce the cycle of injection molding and other purposes.

A mold structure for a plastic worm, comprising a mold base and an inner mold component, and the inner mold component is arranged on the mold base;

The internal mold component is provided with a motor drive assembly; the motor drive assembly includes a motor, a spur gear and a fixed frame, the motor is installed on one side of the mold frame, and multiple spur gears are fixed above the mold frame through the frame; one of the multiple spur gears The spur gear is connected with the output end of the motor, and multiple spur gears mesh with each other.

In an optional embodiment, the formwork includes a panel, a plate A, a B plate, a supporting plate and a bottom plate, and the panel, the A plate, the B plate, the supporting plate and the bottom plate are sequentially arranged from top to bottom.

In an optional embodiment, a plurality of first magnetic clamping assemblies are arranged on the A board, and a plurality of second magnetic clamping assemblies are arranged on the B board; each first magnetic clamping assembly is connected with A second magnetic clamping assembly cooperates.

In an optional embodiment, the formwork is a thin nozzle formwork.

In an optional embodiment, the inner mold component further includes a front mold assembly and a rear mold assembly, and the front mold assembly and the rear mold assembly are connected together.

In an optional embodiment, the front mold assembly includes a front mold core and a front core insert, and the front mold core and the front core insert are connected together.

In an optional embodiment, the rear mold assembly includes a rear mold core, a first tooth piece and a second tooth piece, the first tooth piece and the second tooth piece are processed and formed at the same time, the first tooth piece and the second tooth piece The two tooth pieces are connected together with the back mold core.

In an optional embodiment, the inner mold component is also provided with a channel system, and the channel system is arranged between the panel and the A plate and connected with the front mold assembly and the rear mold assembly.

Using the mold structure of a plastic worm mentioned above, the design is ingenious, reasonable, and the operation is stable, and the automatic multi-cavity mold is released. Through the mutual cooperation of the motor drive components, the mold frame, and the hot runner system, the plastic worm can be made The product is released from the mold smoothly, and the overall mold volume is reduced. Due to the smooth operation and fully automatic production, it satisfies the precision requirements of the plastic worm product to the greatest extent and ensures the stability of the product, saving raw materials and machine operating costs. The utility model has a practical structure. Strong, conducive to widespread application.

Description of drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of the motor drive assembly of the present invention.

Fig. 3 is a structural schematic diagram of the first step of mold opening of the utility model.

Fig. 4 is a transmission schematic diagram of the motor drive assembly of the present invention when the mold is opened.

Fig. 5 is a sectional view of the first step of mold opening of the utility model.

Fig. 6 is a structural schematic diagram of the second step of mold opening of the present invention.

Fig. 7 is a cross-sectional view of the manipulator of the present invention taking out the product and the flow channel.

Fig. 8 is a structural schematic view of the manipulator of the present invention taking out the product and the flow channel.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1-8, a mold structure 100 of a plastic worm, including a mold base 10 and an inner mold component, and the inner mold component is arranged on the mold base 10;

The inner mold component is provided with a motor drive assembly 20; the motor drive assembly 20 includes a motor 201, a spur gear and a fixed frame 202, the motor 201 is installed on one side of the mold frame 10, and a plurality of spur gears are fixed above the mold frame 10 through the fixed frame 202 One of the multiple spur gears is connected to the output end of the motor 201, and the multiple spur gears mesh with each other.

Referring to Fig. 2, the motor drive assembly 20 includes a motor 201, a fixed frame 202, a screw 203, a first spur gear 21, a second spur gear 22, a third spur gear 23, a fourth spur gear 24, a fifth spur gear 25, The sixth spur gear 26, the seventh spur gear 27, the eighth spur gear 28, the ninth spur gear 29 and the tenth spur gear 210; the motor 201 and a plurality of spur gears are all installed on the formwork 10 by the fixing frame 202, fixed The frame 202 is fastened on the formwork 10 by a plurality of screws 203 . The first spur gear 21, the second spur gear 22, the third spur gear 23, the fourth spur gear 24, the fifth spur gear 25, the sixth spur gear 26, the seventh spur gear 27, the eighth spur gear 28, the ninth spur gear The spur gear 29 and the tenth spur gear 210 are all fixed directly above the formwork 10 through the fixed mount 202; the first spur gear 21 is installed on the output shaft of the motor 201, and the rotation direction of the first spur gear 21 is consistent with the motor 201; The spur gear 21 meshes with the second spur gear 22, and the rotation direction of the second spur gear 22 is opposite to that of the first spur gear 21;

The third spur gear 23 meshes with the second spur gear 22 , and the rotation direction of the third spur gear 23 is opposite to that of the second spur gear 22 .

The fourth spur gear 24 meshes with the third spur gear 23, the fifth spur gear 25, and the sixth spur gear 26 respectively, and the rotation direction of the fourth spur gear 24 is the same as that of the third spur gear 23, the fifth spur gear 25, and the sixth spur gear. The rotation direction of spur gear 26 is opposite, and the rotation direction of the 3rd spur gear 23, the 5th spur gear 25 and the 6th spur gear 26 are consistent; The 5th spur gear 25 also meshes with the seventh spur gear 27, the sixth spur gear 26 Also meshes with the eighth spur gear 28; the seventh spur gear 27 also meshes with the ninth spur gear 29, the eighth spur gear 28 also meshes with the tenth spur gear 210, the ninth spur gear 29 and the tenth spur gear 210 are also meshed with each other. That is, the fourth spur gear 24, the fifth spur gear 25, the sixth spur gear 26, the seventh spur gear 27, the eighth spur gear 28, the ninth spur gear 29 and the tenth spur gear 210 form a circle, each A gear meshes with two adjacent gears, and the meshed gears rotate in opposite directions.

When the panel 11 and the A panel 12 are opening the mold, the motor 201 starts to drive the first spur gear 21 to rotate, the first spur gear 21 drives other multiple spur gears to rotate, and the multiple spur gears drive the mold core to rotate away from the product.

Please refer to Figure 1-8, the formwork is a fine nozzle formwork; formwork 10 includes panel 11, A plate 12, B plate 13, supporting plate 14 and bottom plate 15, panel 11, A plate 12, B plate 13, supporting plate 14 and base plate 15 are arranged successively from top to bottom. The A plate 12 is provided with a plurality of first magnetic clamping assemblies 121, and the B plate 13 is provided with a plurality of second magnetic clamping assemblies 131; each first magnetic clamping assembly 121 is connected with a second magnetic The clamping assembly 131 cooperates. 1) The magnetic clamping components are easy to assemble and disassemble. A set of magnetic clamping components can be used on different molds and can be recycled; 2) Relying on permanent magnetic force clamping, it is stable and reliable without external influence; 3) Temperature resistance, Not affected by temperature rise; 4) The magnetic clamping components are installed on the side of the mold A plate and B plate respectively, which is convenient, fast, and has no precision requirements; 5) The tension adjustment is very convenient; 6) It is manufactured separately from the mold and does not need to be placed on the mold It is convenient to process on itself.

In this embodiment, the inner mold component also includes a front mold assembly and a rear mold assembly, and the front mold assembly and the rear mold assembly are connected together. The front mold assembly includes a front mold core and a front core insert, and the front mold core and the front core insert are connected together. The rear mold assembly includes a rear mold core, a first tooth piece and a second tooth piece, the first tooth piece and the second tooth piece are processed and formed at the same time, and the first tooth piece and the second tooth piece are connected to the back mold core together.

Please refer to Fig. 1-8, the inner mold member is also provided with a runner system 30, and the runner system 30 is arranged between the panel 11 and the A panel 12 and connected with the front mold assembly and the rear mold assembly. The melt raw material enters the mold cavity from the hot runner system 30, fills and maintains the pressure in the injection molding machine, and after cooling and solidifying, the injection molding machine pulls the mold to open. First, the panel 11 and the A plate 12 are opened to realize the first mold opening. 201 drives the spur gear to make the mold core leave the product; then the runner and the product are taken out by the manipulator.

The utility model has ingenious and reasonable design, stable operation, and fully automatic multi-cavity mold ejection. Through the mutual cooperation of the motor drive assembly 20, the mold frame 10 and the hot runner system 30, the plastic worm 101 product can be ejected smoothly, and the overall The volume of the mold is reduced, and due to the stable operation and fully automated production, it satisfies the precision requirements of the plastic worm 101 product to the greatest extent and ensures the stability of the product, saving raw materials and machine operating costs. Promote apps.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall include Within the protection scope of the utility model.

Claims (8)

1. a kind of mould structure of plastic cement worm screw, it is characterised in that: including mould bases and internal mould member, the internal mould member setting exists On the mould bases；

The internal mould member is provided with motor drive component；The motor drive component includes motor, multiple spur gears and fixation Frame, the motor are mounted on the side of the mould bases, and multiple spur gears are fixed on the mould bases by the fixed frame Side；One of those described spur gear of multiple spur gears is connected with the output end of the motor, multiple spur gears Between be intermeshed.

2. a kind of mould structure of plastic cement worm screw as described in claim 1, it is characterised in that: the mould bases includes panel, A Plate, B plate, supporting plate and bottom plate, the panel, the A plate, the B plate, the supporting plate and the bottom plate are successively set from top to bottom It sets.

3. a kind of mould structure of plastic cement worm screw as claimed in claim 2, it is characterised in that: be provided on the A plate multiple First magnetic lock membrane module is provided with multiple second magnetic lock membrane modules on the B plate；Each first magnetic lock membrane module With the second magnetic lock membrane module cooperating.

4. a kind of mould structure of plastic cement worm screw as claimed in claim 2, it is characterised in that: the mould bases is thin mouth of a river mould Frame.

5. a kind of mould structure of plastic cement worm screw as claimed in claim 2, it is characterised in that: before the internal mould member further includes Membrane module and back die component, the front die component and the back die component link together.

6. a kind of mould structure of plastic cement worm screw as claimed in claim 5, it is characterised in that: the front die component includes preceding mould Mold core and preceding core block, the preceding mould mold core link together with the preceding core block.

7. a kind of mould structure of plastic cement worm screw as claimed in claim 5, it is characterised in that: the back die component includes rear mold Mold core, the first gear piece and the second gear piece, first gear piece and the second gear piece simultaneous processing molding, first gear piece and Second gear piece links together with the rear mold mold core.

8. a kind of mould structure of plastic cement worm screw as claimed in claim 5, it is characterised in that: the internal mould member is additionally provided with Flow passage system, the flow passage system are arranged between the panel and the A plate and the front die component and the back die component It is connected.