CN203567085U - Novel circular arc core-pulling mechanism of plastic mould - Google Patents

Abstract

The utility model discloses a novel arc core pulling mechanism for a plastic mold, comprising a front mold and a rear mold, wherein a front mold core is arranged on the front mold, and the utility model is characterized in that a rear mold core is arranged on the rear mold, a core pulling slider assembly is hinged on the rear mold core, the core pulling slider assembly is connected to one end of an arc core mold arranged in a product, and a core pulling driving mechanism capable of driving the core pulling slider assembly to move in a circle along the hinge is connected to the other end of the core pulling slider assembly. The utility model aims to overcome the shortcomings of the prior art and provide an arc core pulling structure for a plastic mold which is simple in structure, convenient in processing and convenient in use.

Description

A new arc core-pulling mechanism for plastic molds

technical field

The utility model relates to a novel plastic mold arc core-pulling mechanism. the

Background technique

Existing plastic molds have many products with complex structures and arc positions on the products. These products often need to be core-pulled after injection molding. However, the existing core-pulling mechanism is relatively complicated, and it is easy to damage the product during core-pulling. Therefore, the existing circular-arc core-pulling mechanism needs to be further improved. the

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a novel plastic mold arc core-pulling mechanism with simple structure, convenient processing and convenient use. the

In order to achieve the above object, the utility model adopts the following scheme:

A new arc core-pulling mechanism for plastic molds, including a front mold and a rear mold, a front mold core is provided on the front mold, and the feature is that: a rear mold core is provided on the rear mold. A core-pulling slider assembly is hinged on the rear mold core, and the core-pulling slider assembly is connected to one end of the arc core mold arranged in the product, and the other end of the core-pulling slider assembly is connected to a drive unit. The core-pulling drive mechanism for the core-pulling slider assembly to move in a circle along the hinge. the

A new arc core-pulling mechanism for plastic molds as described above is characterized in that the core-pulling slider includes a hinged part with one end hinged on the rear mold core, and an arc-shaped slide is arranged in the middle of the hinged part. block, one end of the arc mandrel is connected to the arc slider. the

A new arc core-pulling mechanism for plastic molds as described above is characterized in that the core-pulling drive mechanism includes a connecting rod hinged on the hinge, and the other end of the connecting rod is movably connected to the drive cylinder. On the cylinder shaft, the drive cylinder is fixedly arranged on the rear mold. the

A novel arc core-pulling mechanism for plastic molds as described above is characterized in that a movable joint is provided on the cylinder shaft of the driving cylinder, and one end of the connecting rod is hinged on the movable joint. the

A new arc core-pulling mechanism for plastic molds as described above is characterized in that a connection slot is provided on one end of the arc slider, and one end of the arc mandrel is arranged in the connection slot. A fixing pin hole is provided on the arc-shaped sliding block, and a fixing screw capable of fixing the arc-shaped mandrel in the arc-shaped sliding block is arranged in the fixing pin hole. the

A novel plastic mold arc core-pulling mechanism as described above is characterized in that a guide mechanism is provided between the front mold and the rear mold. the

A new arc core-pulling mechanism for plastic molds as described above is characterized in that the guide mechanism includes a guide groove arranged on the front mold, and a guide post is provided on the rear mold. The guide post is arranged in the guide groove. the

The novel plastic mold arc core-pulling mechanism as described above is characterized in that the rear mold includes a rear template, the rear mold core is arranged on the rear template, and a square iron is connected to the rear template. , the rear formwork bottom plate is connected to the square iron, one end of the driving cylinder is fixedly connected to the rear formwork bottom plate, and the other end of the driving cylinder is fixedly connected to the rear formwork through a connecting seat. the

In summary, the utility model has the beneficial effects relative to the prior art as follows:

The utility model has a simple structure. The driving oil cylinder and the connecting rod are used to pull the core and demould the round core of the product. When the driving oil cylinder is active, the connecting rod is driven, and the connecting rod drives the arc-shaped slider. The arc-shaped slider pulls the core and demoulds along the arc. Easy to install and use. In the utility model, the core-pulling slider assembly can be processed separately, which is very convenient. the

Description of drawings

Fig. 1 is the schematic diagram when the utility model closes the mold;

Fig. 2 is the schematic diagram when the utility model opens mold. the

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

A kind of novel plastic mold circular arc core-pulling mechanism as shown in Figure 1 to 2, comprises front mold 1 and back mold 2, is provided with front mold kernel 3 on described front mold 1, on described back mold 2 There is a rear mold core 4 on the back mold core 4, and a core-pulling slider assembly 5 is hinged on the rear mold core 4. The core-pulling slider assembly 5 is connected to one end of the arc core mold 6 arranged in the product. The other end of the core-pulling slider assembly 5 is connected with a core-pulling drive mechanism 7 capable of driving the core-pulling slider assembly 5 to move circularly along the hinge. the

The core-pulling slider assembly 5 described in the utility model includes a hinged part 51 with one end hinged on the rear mold core 4, and an arc-shaped slider 52 is arranged in the middle of the hinged part 51. The arc-shaped core One end of the die 6 is connected to the arc-shaped slider 52 . the

The core-pulling drive mechanism 7 described in the utility model includes a connecting rod 71 hinged on the hinge 51, and the other end of the connecting rod 71 is movably connected to the cylinder shaft of the driving cylinder 72. The driving cylinder 72 is fixedly arranged on the rear mold 2 . the

In the utility model, a movable joint 73 is provided on the cylinder shaft of the drive cylinder 72, and one end of the connecting rod 71 is hinged on the movable joint 73. the

In the utility model, one end of the arc-shaped slider 52 is provided with a connecting slot, and one end of the arc-shaped mandrel 6 is arranged in the connecting slot, and the arc-shaped slider 52 is provided with a fixed The pin hole 8 is provided with a fixing screw capable of fixing the arc mandrel 6 in the arc slider 52 in the fixing pin hole 8 . the

In the utility model, a guide mechanism 9 is provided between the front mold 1 and the rear mold 2 . The guide mechanism 9 includes a guide groove 91 provided on the front mold 1 , and a guide column 92 is provided on the rear mold 2 , and the guide column 92 is arranged in the guide groove 91 . the

The rear mold 2 described in the utility model includes a rear template 21, the rear mold core 4 is arranged on the rear template 21, and a square iron 22 is connected on the rear template 21, and the square iron 22 The rear mold bottom plate 23 is connected to the top, and one end of the driving cylinder 72 is fixedly connected to the rear mold bottom plate 23 , and the other end of the driving cylinder 72 is fixedly connected to the rear mold plate 21 through the connecting seat 10 . the

The utility model has a simple structure. The driving oil cylinder and the connecting rod are used to pull the core and demould the round core of the product. When the driving oil cylinder is active, the connecting rod is driven, and the connecting rod drives the arc-shaped slider. The arc-shaped slider pulls the core and demoulds along the arc. Easy to install and use. In the utility model, the core-pulling slider assembly can be processed separately, which is very convenient. the

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents. the

Claims (8)

1. a new type plastic mould arc core-pulling mechanism, include front mould (1) and rear mold (2), on described front mould (1), be provided with front cavity (3), it is characterized in that: in described rear mold (2), be provided with rear cavity (4), in described rear cavity (4), be hinged with core-pulling slide block assembly (5), described core-pulling slide block assembly (5) is connected with circular arc core (6) one end being arranged in product, on described core-pulling slide block assembly (5) other end, be connected with the driving mechanism of loosing core (7) that can drive described core-pulling slide block assembly (5) to become circular motion along hinged place.

2. a kind of new type plastic mould arc core-pulling according to claim 1 mechanism, it is characterized in that described core-pulling slide block assembly (5) includes one end and is hinged on the articulated elements (51) in rear cavity (4), at described articulated elements (51) middle part, be provided with arc shaped slider (52), described circular arc core (6) one end is connected on described arc shaped slider (52).

3. a kind of new type plastic mould arc core-pulling according to claim 2 mechanism, it is characterized in that the described driving mechanism of loosing core (7) includes the connecting rod (71) being hinged on described articulated elements (51), described connecting rod (71) other end is movably connected on the oil cylinder axle that drives oil cylinder (72), and described driving oil cylinder (72) is fixedly installed in described rear mold (2).

4. a kind of new type plastic mould arc core-pulling according to claim 3 mechanism, is characterized in that on the oil cylinder axle of described driving oil cylinder (72), being provided with active joint (73), and one end of described connecting rod (71) is hinged on described active joint (73).

5. a kind of new type plastic mould arc core-pulling according to claim 2 mechanism, it is characterized in that being provided with connection slotted eye on described arc shaped slider (52) one end, described circular arc core (6) one end is arranged in described connection slotted eye, on described arc shaped slider (52), be provided with fixed pin holes (8), in described fixed pin holes (8), be provided with and circular arc core (6) can be fixed on to the hold-down screw in described arc shaped slider (52).

6. a kind of new type plastic mould arc core-pulling according to claim 1 mechanism, is characterized in that being provided with guiding mechanism (9) between described front mould (1) and rear mold (2).

7. a kind of new type plastic mould arc core-pulling according to claim 6 mechanism, it is characterized in that described guiding mechanism (9) includes the gathering sill (91) being arranged on described front mould (1), in described rear mold (2), be provided with guide pillar (92), described guide pillar (92) is arranged in described gathering sill (91).

8. according to claim 3 kind of new type plastic mould arc core-pulling mechanism, it is characterized in that described rear mold (2) includes rear pattern plate (21), described rear cavity (4) is arranged on described rear pattern plate (21), on described rear pattern plate (21), be connected with square iron (22), on described square iron (22), be connected with rear baffle plate (23), it is upper that described driving oil cylinder (72) one end is fixedly connected on rear baffle plate (23), and described driving oil cylinder (72) other end is fixedly connected on described rear pattern plate (21) by Connection Block (10).

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