CN211891815U

CN211891815U - Mold splitting assembly for automobile front baffle

Info

Publication number: CN211891815U
Application number: CN201922394876.XU
Authority: CN
Inventors: 董正科; 易申兵
Original assignee: Wuhan Huashengyuan Mould Co ltd
Current assignee: Wuhan Huashengyuan Mould Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-10
Anticipated expiration: 2029-12-26

Abstract

The utility model belongs to the technical field of the mould design is divided to the mould among the injection moulding, specifically provide a mould divides mould subassembly for car cowl, including base and be used for injection moulding's front mould and back mould, set firmly front mould slider drawing of patterns unit on the base, front mould slider drawing of patterns unit includes the front mould slider, the slope slide reaches and is used for driving slope slide reciprocating motion's driving piece, the front mould slider one end inserts the biggest downthehole of front mould, the other end and slope slide sliding connection, the road junction extending direction of slope slide is the acute angle with the axis direction of front mould slider, the driving piece is located the road junction extending direction of slope slide. When the mold is in a mold closing state, the oil cylinder is firstly pumped out, the oil cylinder drives the inclined slide way to move sideward, the front mold slide block moves along with the oil cylinder to complete demolding, and finally the mold is opened to take out a product. The mold splitting assembly occupies a small space and is large and stable in demolding force. On the other hand, the front mould slide block is arranged on the front mould and is not arranged on the rear mould, so that parting lines can be reduced, and the appearance of a product is improved.

Description

Mold splitting assembly for automobile front baffle

Technical Field

The utility model belongs to the technical field of the mould design is divided to the mould among the injection moulding, concretely relates to mould divides mould subassembly for automobile front baffle.

Background

In the manufacture of a mould product, it is important to determine the parting line of the product, also known as the parting line. Most of the moulds used for pouring are formed by splicing a plurality of parts, the positions of seams cannot be absolutely smooth, small gaps exist, and when the poured fittings are produced, small edge protrusions, namely parting lines, exist at the positions. In popular terms, plastic parts need to be formed by being divided into a plurality of parts, all the parts are spliced together to form a closed space, and then lines among all the parts are parting lines. The different product mold designs are different and so the position of the parting line is different. The slide block moves for a certain distance in the die opening process, and the slide block can be safely returned after the front die and the rear die are completely separated. The slide block is stopped at the right position, if the slide block slides forwards or backwards, the inclined edge and the hole are not aligned and collided when the mold is closed! Therefore, a positioning device must be installed on the sliding block, and the positioning device must be flexible and reliable to ensure that the sliding block is not moved in the original position.

In the production process of the baffle in front of the automobile, because of the requirement of the automobile lamp and the streamline inclination type attractiveness in front of the automobile, the baffle is generally produced by integrally forming the automobile lamp and the automobile, so that the surfaces of parts are smoother and more attractive, the streamline transition is softer, the batch production efficiency is high, and the period is short. However, the baffle in front of the automobile is provided with three holes, the axes of the three holes are different from each other, if the rear mold slide block is moved according to the traditional axis to separate the mold, the parting line of the slide block on the front mold surface of the product is too large, the appearance of the product is influenced, and the moving distance of the slide block is too large, so that the space is wasted.

Disclosure of Invention

The utility model aims at overcoming the difficult problem of baffle dysmorphism piece injection moulding divides mould before the car among the prior art.

For this, the utility model provides a mould divides mould subassembly for automobile front baffle, include the base and be used for injection moulding's front mould and back mould, front mould slider drawing of patterns unit has set firmly on the base, front mould slider drawing of patterns unit includes front mould slider, slope slide and is used for the drive slope slide reciprocating motion's driving piece, the biggest downthehole of front mould is inserted to front mould slider one end, the other end with slope slide sliding connection, slope slide's road junction extending direction with the axis direction of front mould slider is the acute angle, the driving piece is located on the road junction extending direction of slope slide.

Preferably, the front mould slide block is connected with the inclined slide way in a sliding mode through a linear bearing.

Preferably, a sleeve is fixedly arranged on the base, the front mold sliding block penetrates through the sleeve, and a pipeline of the sleeve is coincided with the axis direction of the maximum hole of the front mold.

Preferably, the inclined slide way comprises a T-shaped groove with an inclination, one end of the front mould slide block is a T-shaped head, and the T-shaped head is embedded in the T-shaped groove and can slide along the T-shaped groove.

Preferably, the notch extending direction of the T-shaped groove and the axial direction of the front die slide block form an acute angle.

Preferably, the inclined ramp is slidably connected to the base.

Preferably, the driving member is an oil cylinder, the oil cylinder is fixedly connected with the base, and the oil cylinder is located beside the moving track of the front module sliding block.

Preferably, the fixed demolding unit comprises a directional sliding rod and a hydraulic cylinder, one end of the directional sliding rod is inserted into a small hole, which is smaller than the largest hole, in the front mold, and a piston is arranged at the other end of the directional sliding rod and can be slidably located in the hydraulic cylinder.

Preferably, the fixed demolding unit comprises a hydraulic cylinder and a plurality of directional slide bars, one end of each directional slide bar is inserted into the small hole of the front mold, and the other end of each directional slide bar is slidably mounted in the hydraulic cylinder through a corresponding piston.

The utility model has the advantages that: the utility model provides a mould divides mould subassembly for automobile front baffle, including base and the front mould and the back mould that are used for injection moulding, front mould slider drawing of patterns unit has set firmly on the base, front mould slider drawing of patterns unit includes the front mould slider, the slope slide and be used for driving slope slide reciprocating motion's driving piece, front mould slider one end inserts the biggest downthehole of front mould, the other end and slope slide sliding connection, the road junction extending direction of slope slide is the acute angle with the axis direction of front mould slider, the driving piece is located the road junction extending direction of slope slide. When the mold is in a mold closing state, the oil cylinder is firstly drawn out, the oil cylinder drives the inclined slide way to move sideward, the inclined slide way enables the front mold slide block to be demolded through the inclined T-shaped groove, and after the front mold slide block is demolded, the mold is opened to take out a product. The mold splitting assembly occupies a small space and is large and stable in demolding force. On the other hand, the front mould slide block is arranged on the front mould and is not arranged on the rear mould, so that parting lines can be reduced, and the appearance of a product is improved.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a mold clamping state-view perspective structure of a mold parting assembly for a front baffle of an automobile according to the present invention;

FIG. 2 is a schematic view of another perspective three-dimensional structure of the mold split assembly for the front fender of the automobile according to the present invention in a mold closing state;

fig. 3 is the product structure schematic diagram of the mold parting assembly for the automobile front baffle of the present invention.

Description of reference numerals: the device comprises a front die sliding block 1, an inclined slideway 2, an oil cylinder 3, a hydraulic cylinder 4, a maximum hole 5, a small hole 6, a directional sliding rod 7, a base 8 and a front die 9.

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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The embodiment of the utility model provides a mould divides mould subassembly for automobile front baffle, include the base and be used for injection moulding's front mould and back mould, as shown in fig. 1 to 3, set firmly 1 drawing of patterns unit of front mould slider on the base 8, 1 drawing of patterns unit of front mould slider includes front mould slider 1, slope slide 2 and is used for the drive 2 reciprocating motion's of slope slide driving piece, in 1 one end of front mould slider inserted the biggest hole 5 of front mould 9, the other end with 2 sliding connection of slope slide, the road junction extending direction of slope slide 2 with the axis direction of front mould slider 1 is the acute angle, the driving piece is located on the road junction extending direction of slope slide 2.

Front mould slider 1 inserts on front mould 9, because of the back mould slider parting line is too big, so the slider is front mould slider 1 and reduces the parting line, guarantees product appearance. When the die is closed, the driving piece drives the inclined slide way 2 to transversely move, the chute of the inclined slide way 2 has inclination, the front die slide block 1 is positioned in the chute, and the front die slide block 1 can only translate along the chute and can not do mutual rotation or separation motion. When the inclined slide way 2 moves transversely backwards, the sliding grooves have inclination, and the friction force between the front mould sliding block 1 and the inclined slide way 2 is small. Therefore, the sliding chute slides transversely relative to the front mold sliding block 1, and the front mold sliding block 1 is jacked up by the slope in the sliding chute, so that the front mold sliding block 1 moves longitudinally, and the longitudinal moving track is the axial direction of the maximum hole 5 of the front mold. Wherein the longitudinal movement direction of front mould slider 1 is not the collineation with the lateral shifting of spout, and installation space can be practiced thrift greatly to such a minute mould subassembly structure, avoids tradition to do the axis direction removal along the hole through sharp drive slider and extravagant great space of moving back.

Preferably, the front mold sliding block 1 is connected with the inclined slideway 2 in a sliding manner through a linear bearing. There is sliding friction due to the relative sliding between the inclined slide 2 and the front mold slide 1, but it is ensured that the front mold slide 1 only moves longitudinally in the axial direction of the front mold maximum bore 5, and does not move laterally with the inclined slide 2. Therefore, a linear bearing is installed in the inclined slide way 2 or lubricating oil is filled in the inclined slide way, so that the transverse friction force is reduced, and the longitudinal movement of the front die slide block 1 is better ensured.

Preferably, a sleeve is fixedly arranged on the base 8, the front mold sliding block 1 penetrates through the sleeve, and a pipeline of the sleeve is overlapped with the axis direction of the maximum hole 5 of the front mold. The sleeve is not shown in the figure, the sleeve is fixed on the base 8 and is sleeved on the front mould slide block 1, the front mould slide block 1 can only move longitudinally along the direction of the sleeve, and the longitudinal movement of the front mould slide block 1 is further ensured through the sleeve to prevent the transverse movement.

Preferably, the inclined slide 2 comprises a T-shaped groove with an inclination, one end of the front mold slider 1 is a T-shaped head, and the T-shaped head is embedded in the T-shaped groove and can slide along the T-shaped groove. As shown in fig. 1, the T-shaped head is fastened to the T-shaped groove, so that the front mold slider 1 is prevented from rotating relative to the inclined slide 2, the degree of freedom of the front mold slider 1 is limited, and the longitudinal movement of the front mold slider 1 in displacement is further ensured.

Preferably, the extending direction of the notch of the T-shaped groove and the axial direction of the front die slider 1 form an acute angle. The notch direction of the T-slot is determined by the inclination of its slot, which determines the maximum distance of longitudinal movement of the front mold slide 1, and the ramp angle.

Preferably, the inclined chute 2 is slidably connected to the base 8. The inclined slideway 2 is connected with the base 8 in a sliding way, so that the play of the inclined slideway 2 in the transverse moving process can be reduced, and the integral rigidity and stability are improved.

In an optimal scheme, the driving piece is an oil cylinder 3, the oil cylinder 3 is fixedly connected with the base 8, and the oil cylinder 3 is located beside the moving track of the front mold sliding block 1. The driving force of the oil cylinder 3 is large, the position of the largest hole 5 corresponds to the injection pressure, so that the position is a glue position surface, and the front mold sliding block 1 can be pulled out only by large force.

Preferably, the device further comprises a fixed demoulding unit, wherein the fixed demoulding unit comprises a directional sliding rod 7 and a hydraulic cylinder 4, one end of the directional sliding rod 7 is inserted into a small hole 6, which is relatively small to the largest hole 5, in the front mould, and the other end of the directional sliding rod is provided with a piston which is slidably positioned in the hydraulic cylinder 4. All holes can be demoulded by the demoulding unit of the front mould slide 1, and in order to save cost, the fixed demoulding unit can be used for demoulding at the small holes 6. The fixed demoulding unit is simple in arrangement, a sliding block is not needed, and only the oil cylinder 3 directly drives the directional slide rod 7 to do linear telescopic motion longitudinally relative to the front mould.

Preferably, the fixed demolding unit comprises a hydraulic cylinder 4 and a plurality of directional slide bars 7, one end of each directional slide bar 7 is inserted into the small hole 6 of the front mold, and the other end of each directional slide bar 7 is slidably mounted in the hydraulic cylinder 4 through a corresponding piston. When a plurality of small holes 6 are formed, the hydraulic cylinders 4 can share one hydraulic cylinder, so that the space and the cost are saved.

The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. The utility model provides a mould divides mould subassembly for baffle before car, includes the base and is used for injection moulding's front mould and back mould, its characterized in that: the base is fixedly provided with a front mould slide block demoulding unit, the front mould slide block demoulding unit comprises a front mould slide block, an inclined slide way and a driving piece used for driving the inclined slide way to reciprocate, one end of the front mould slide block is inserted into the maximum hole of the front mould, the other end of the front mould slide block is in sliding connection with the inclined slide way, the extending direction of the crossing of the inclined slide way and the axis direction of the front mould slide block form an acute angle, and the driving piece is positioned on the extending direction of the crossing of the inclined slide way.

2. The mold split assembly for an automotive front fender of claim 1, wherein: the front mould sliding block is connected with the inclined slideway in a sliding mode through a linear bearing.

3. The mold split assembly for an automotive front fender of claim 1, wherein: the base is fixedly provided with a sleeve, the front die sliding block penetrates through the sleeve, and a pipeline of the sleeve is superposed with the axis direction of the maximum hole of the front die.

4. The mold split assembly for an automotive front fender of claim 1, wherein: the inclined slide way comprises a T-shaped groove with inclination, one end of the front die sliding block is a T-shaped head, and the T-shaped head is embedded into the T-shaped groove and can slide along the T-shaped groove.

5. The mold split assembly for an automotive front fender of claim 4, wherein: and the extending direction of the notch of the T-shaped groove and the axial direction of the front die sliding block form an acute angle.

6. The mold split assembly for an automotive front fender of claim 1, wherein: the inclined slide way is connected with the base in a sliding mode.

7. The mold split assembly for an automotive front fender of claim 1, wherein: the driving piece is an oil cylinder, the oil cylinder is fixedly connected with the base, and the oil cylinder is located on the side of the moving track of the front module sliding block.

8. The mold split assembly for an automotive front fender of claim 1, wherein: the fixed demoulding unit comprises a directional sliding rod and a hydraulic cylinder, one end of the directional sliding rod is inserted into a small hole, which is relatively small in the largest hole, of the front mould, the other end of the directional sliding rod is provided with a piston, and the piston is slidably located in the hydraulic cylinder.

9. The mold split assembly for an automotive front fender of claim 8, wherein: the fixed demoulding unit comprises a hydraulic cylinder and a plurality of directional sliding rods, one end of each directional sliding rod is inserted into a small hole of the front mould, and the other end of each directional sliding rod is slidably arranged in the hydraulic cylinder through a corresponding piston.