CN204869509U - Easily trade formula taper pin device - Google Patents

Abstract

The utility model relates to an easily trade formula taper pin device contains taper pin body, the head of slope setting in public mould benevolence and all passes the taper pin pull rod of liftout plate, backup pad, public template and the round pin that resets in proper order, the lower extreme of taper pin body is provided with the T -slot, the head of taper pin pull rod is provided with the rectangular boss of setting in the T -slot, the head of selling that resets is provided with the screw hole, just the taper pin pull rod sets up respectively in last liftout plate with the afterbody that the round pin that resets was provided with fan -shaped boss, the round pin that resets is gone up to overlap between last liftout plate and backup pad and is equipped with reset spring, the utility model discloses a rotation of taper pin pull rod in the taper pin body is 90 degrees, can realize the quick dismantlement and the assembly of taper pin to shorten the mould dismouting cycle, reduced the bench work volume, improved production efficiency.

Description

An easy-change oblique pin device

technical field

The utility model relates to the field of mechanical forming, in particular to an easy-change oblique pin device.

Background technique

During injection molding, when there are holes, cavities or bosses on the inside or outside of the plastic part that is different from the direction of opening and closing the mold, the parts that form this feature on the mold must be designed as a laterally movable slider mechanism or oblique pin mechanism ; The common forms in the oblique pin mechanism include oblique pin seat type oblique pin and mother mold oblique pin, etc., among which the pin seat type oblique pin moves smoothly, but because the oblique pin seat is fixed on the upper ejection plate, the oblique pin seat occupies the upper ejection plate. It is not suitable for occasions where there are many slanted pins in the mold; when the side of the plastic part has barbs and it is not easy to use sliders, the slanted pins of the female mold are generally used, but when the slanted pins of the female mold are used, it is generally necessary to increase the opening and closing To ensure that the base plate of the female mold and the female template are separated first when the mold is opened, and then the male and female molds are separated again, resulting in a correspondingly complicated mold structure. For this reason, we have developed an easy-change type The oblique pin device can realize the quick disassembly and assembly of the oblique pin through the rotation of the oblique pin rod in the oblique pin body by 90 degrees, thereby shortening the disassembly and assembly cycle of the mold, reducing the workload of the fitter and improving the production efficiency.

Utility model content

The purpose of this utility model is to provide an easy-change oblique pin device in order to overcome the deficiencies of the prior art. By rotating the oblique pin pull rod in the oblique pin body by 90 degrees, the oblique pin can be quickly disassembled and assembled, thereby shortening the The mold disassembly and assembly cycle is shortened, the workload of the fitter is reduced, and the production efficiency is improved.

In order to achieve the above purpose, the technical solution adopted by the utility model is: an easy-change oblique pin device, which includes the oblique pin body and the head which are arranged obliquely in the male mold core and pass through the upper ejection plate, support plate, The oblique pin pull rod and the reset pin of the male template; the lower end of the oblique pin body is provided with a T-shaped slot; the head of the oblique pin rod is provided with a long boss arranged in the T-shaped slot, and the Internally rotated by 90 degrees, it can be quickly connected and separated from the oblique pin body; the head of the reset pin is provided with a threaded hole, and the tail of the oblique pin pull rod and the reset pin are provided with fan-shaped bosses respectively on the upper ejection plate Inside; the reset pin is sleeved with a return spring between the upper ejection plate and the support plate.

Preferably, at least two spaced positioning blocks are provided on the upper ejection plate between the upper ejection plate and the supporting plate.

Preferably, the positioning block is fixed on the upper ejection plate by screws.

Preferably, guide strips are provided on the side of the oblique pin body adjacent to the forming surface.

Preferably, both ends of the elongated boss are arc-shaped.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:

The easy-change oblique pin device described in the utility model can realize the quick disassembly and assembly of the oblique pin through the rotation of the oblique pin pull rod in the oblique pin body by 90 degrees, thereby shortening the disassembly and assembly cycle of the mold and reducing the work load of the fitter , improving production efficiency.

Description of drawings

Below in conjunction with accompanying drawing, technical scheme of the utility model is further described:

Accompanying drawing 1 is the cross-sectional view of the easy-change type oblique pin device described in the utility model;

Accompanying drawing 2 is the schematic diagram of the oblique pin body and the oblique pin pull rod in the easy-change oblique pin device described in the utility model;

Accompanying drawing 3 is the partially enlarged view of the head of the oblique pin rod in the easy-change type oblique pin device described in the utility model;

Among them: 1. Male template; 2. Male mold core; 3. Plastic parts; 4. Slanted pin body; 41. T-shaped slot; 42. Guide bar; 5. Slanted pin rod; 51. Fan-shaped boss; 52. Long 6, reset pin; 61, threaded hole; 7, return spring; 8, positioning block; 9, screw; 10, upper ejection plate; 11, support plate; 12, lower ejection plate; 13, lower template.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Accompanying drawing 1-3 is the easy-change oblique pin device described in the utility model, comprises the oblique pin body 4 that is obliquely arranged in the male die core 2, and the head passes through the upper ejection plate 10, the support plate 11, The oblique pin pull rod 5 and the reset pin 6 of the male template 1; the side adjacent to the forming surface on the oblique pin body 4 is provided with a guide bar 42, so that the oblique pin body 4 can move along the direction of the guide bar 42, which is convenient to be used with the plastic The part 3 is demoulded, and the lower end is provided with a T-shaped slot 41; the head of the oblique pin pull rod 5 is provided with a long strip boss 52 that is arc-shaped at both ends and is arranged in the T-shaped slot 41, and passes through the T-shaped slot. 41 internal rotation 90 degrees, can be quickly connected and separated from the oblique pin body 4; the head of the reset pin 6 is provided with a threaded hole 61, which is convenient for dismounting the oblique pin rod 5; the tail of the oblique pin rod 5 and the reset pin 6 Sector-shaped bosses 51 are respectively provided; the fan-shaped bosses 51 are arranged in the upper ejection plate 10 to prevent the oblique pin pull rod 5 and the reset pin 6 from rotating; the reset pin 6 is on the upper ejection plate 10 and the support plate 11 A return spring 7 is set between them; two spaced positioning blocks 8 are arranged on the upper surface of the upper ejection plate 10 to prevent the oblique pin body 4 from being separated from the male mold core 2 due to the long ejection stroke. ; The positioning block 8 is fixed on the upper ejection plate 10 by screws 9 .

When disassembling the oblique pin: first remove the female formwork above the male formwork 1, the upper formwork and the lower ejector plate 12, mold feet and lower formwork 13 below the upper ejector plate 10; then screw in the reset pin 6 with the help of a special tool In the threaded hole 61 of the head, the reset pin 6 overcomes the elastic force of the return spring 7 to drive the upper ejector plate 10 to move upward, so that the fan-shaped boss 51 at the tail of the oblique pin pull rod 5 is exposed from the upper ejector plate 10, and now the The oblique pin pull rod 5 can be disengaged from the oblique pin body 4 by rotating 90 degrees for replacement or maintenance.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:

The easy-change oblique pin device described in the utility model can realize the quick disassembly and assembly of the oblique pin through the rotation of the oblique pin pull rod in the oblique pin body by 90 degrees, thereby shortening the disassembly and assembly cycle of the mold and reducing the work load of the fitter , improving production efficiency.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the utility model.

Claims (5)

1. easily change a formula taper pin device, it is characterized in that: comprise the taper pin body be inclined in male die core, head all successively through taper pin pull bar and the return pin of upper ejector plate, gripper shoe, male template; The lower end of described taper pin body is provided with T-slot; The head of described taper pin pull bar is provided with the rectangular boss be arranged in T-slot, by 90-degree rotation in T-slot, can connect fast with taper pin body and be separated; The head of described return pin is provided with screwed hole, and the afterbody that described taper pin pull bar and return pin are provided with fan-shaped boss is separately positioned in upper ejector plate; Described return pin is arranged with back-moving spring between upper ejector plate and gripper shoe.

2. according to claim 1ly easily change formula taper pin device, it is characterized in that: described upper ejector plate is provided with between upper ejector plate and gripper shoe the locating piece that at least 2 block gaps are placed.

3. according to claim 2ly easily change formula taper pin device, it is characterized in that: described locating piece is fixed by screws on upper ejector plate.

4. according to claim 1ly easily change formula taper pin device, it is characterized in that: side adjacent with forming surface on described taper pin body is provided with gib block.

5. according to claim 1ly easily change formula taper pin device, it is characterized in that: the two ends of described rectangular boss are circular arc.