CN206527260U - A lifting mechanism in a stamping die for small hardware parts - Google Patents

Abstract

The utility model discloses a liftout mechanism among small-size hardware stamping die, including upper die base, die holder, lower bolster, terrace die, liftout board, liftout axle and base, the upper die base has set firmly guide pillar and terrace die, and the position department that corresponds the guide pillar on the lower bolster is equipped with the guide pin bushing, and after the compound die, in the guide pin bushing was arranged in to the guide pillar, the work piece had been placed on the lower bolster, and the lower bolster is fixed on the die holder, has seted up the step cavity in the lower bolster, installs the liftout board fixed block in the step cavity, and the top of liftout board fixed block sets firmly the liftout board, and the opening part of step cavity is arranged in to the liftout board, and the bottom of liftout board has set firmly many liftout: the upper surface of the ejector plate and the upper surface of the lower template are coplanar, so that the normal installation of a workpiece is not influenced, the ejector plate is suitable for stamping small hardware, and is convenient to operate and low in cost.

Description

A lifting mechanism in a stamping die for small hardware parts

technical field

The utility model relates to a metal stamping die, in particular to a material ejecting mechanism in a small hardware stamping die.

Background technique

At present, during the stamping process of small hardware parts on the stamping die, due to the small stamping equipment, there is no separate ejector mechanism. After the stamping is completed, workers need to manually take out the workpiece, which is not convenient and the production efficiency is low.

Chinese utility model patent CN201493408 discloses an automatic ejector device for stamping rivet upper die and lower die, which can use the double-link mechanism connected with the upper die of the stamping die for power acquisition. Ejection, but the fatal disadvantage of this device is that re-loading is required after demoulding. At this time, the ejecting mechanism is beyond the plane of the lower die, which makes it difficult to re-load, and it is easy to cause inaccurate positioning. question.

Utility model content

The purpose of this utility model is to provide a material ejecting mechanism in a stamping die for small hardware parts, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A jacking mechanism in a stamping die for a small hardware part, comprising an upper mold base, a lower mold base, a lower template, a punch, a jacking plate, a jacking shaft and a base, the upper mold base is fixedly provided with a guide post and a convex There is a guide sleeve on the position corresponding to the guide post on the lower template. After the mold is closed, the guide post is placed in the guide sleeve, the workpiece is placed on the lower template, the lower template is fixed on the lower mold base, and a step space is opened in the lower template. Cavity, the step cavity is equipped with a top plate fixing block, the top of the top plate fixing block is fixed with a top plate, the top plate is placed at the opening of the step cavity, and the bottom of the top plate is fixed with multiple tops The material shaft, the ejector shaft passes through the lower template and the lower die base and the end is fixed on the end plate of the ejector shaft, the lower die base is fixed on the base through multiple brackets, the lower surface of the end plate of the ejector shaft and the wheel of the cam The surfaces are fitted together, the rotating shaft is fixed at the axis of the cam, and the end of the rotating shaft is fixedly connected to the handle.

As a further solution of the present invention: a spring is sleeved on the outside of each of the ejector shafts, and the two ends of the spring are respectively pressed between the lower mold base and the end plate of the ejector shaft.

As a further solution of the present invention: the handle is hinged to one of the brackets through a pin, so that the handle forms a lever structure.

As a further solution of the utility model: the upper surface of the top plate is coplanar with the upper surface of the lower formwork.

As a further solution of the present invention: a buffer pad is provided between the lower template and the lower mold base.

Compared with the prior art, the beneficial effect of the utility model is: in the process of turning the handle, the rotating shaft drives the cam to rotate, and the end plate of the ejector shaft rises or falls, and then drives the ejector plate to extend or retract , to realize the ejection of the workpiece, and the upper surface of the ejector plate is coplanar with the upper surface of the lower template, which does not affect the normal installation of the workpiece. It is suitable for stamping processing of small hardware, easy to operate, and low in cost.

Description of drawings

Fig. 1 is a structural schematic diagram of an ejecting mechanism in a small hardware stamping die.

In the figure: 1-upper mold base, 2-lower mold base, 3-lower template, 4-punch, 5-guide column, 6-workpiece, 7-top material plate, 8-top material plate fixing block, 9- Guide sleeve, 10-jacking shaft, 11-spring, 12-end plate of jacking shaft, 13-base, 14-hinge shaft, 15-bracket, 16-rotating shaft, 17-cam, 18-handle.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, in the embodiment of the present utility model, a kind of jacking mechanism in the stamping die of small hardware parts, comprises upper mold base 1, lower mold base 2, lower template 3, punch 4, ejector plate 7, ejector The material shaft 10 and the base 13, the upper mold base 1 is fixed with a guide post 5 and a punch 4, and the lower template 3 is provided with a guide sleeve 9 at the position corresponding to the guide post 5. After the mold is closed, the guide post 5 is placed on the In the guide sleeve 9, the workpiece 6 is placed on the lower template 3, the lower template 3 is fixed on the lower mold base 2, a step cavity is provided in the lower template 3, and a top plate fixing block 8 is installed in the step cavity, and the top plate The top of the fixed block 8 is fixed with a jacking plate 7, the jacking plate 7 is placed at the opening of the step cavity, the bottom of the jacking plate 7 is fixed with a plurality of jacking shafts 10, and the jacking shafts 10 pass through the lower template 3 And the lower mold base 2 and the end is fixed on the end plate 12 of the ejector shaft, the lower mold base 2 is fixed on the base 13 through a plurality of brackets 15, the lower surface of the end plate 12 of the ejector shaft is attached to the wheel surface of the cam 17 The rotating shaft 16 is fixed at the axis of the cam 17, and the end of the rotating shaft 16 is fixedly connected to the handle 18. During the process of rotating the handle 18, the rotating shaft 16 drives the cam 17 to rotate, and the end plate 12 of the ejector shaft rises or falls. , and then drive the ejector plate 7 to extend or retract, so as to realize the ejection effect on the workpiece 6.

The outside of each ejector shaft 10 is provided with a spring 11, and the two ends of the spring 11 are respectively pressed between the lower mold base 2 and the end plate 12 of the ejector shaft. When the end plate 12 of the ejector shaft rises, the spring 11 is compressed, Under the action of the spring 11 after the material retrieving is completed, the ejector plate 7 automatically retracts in the step cavity in the lower template 3 .

The handle 18 is hinged to one of the brackets 15 through a pin 14, so that the handle 18 forms a lever structure for easy operation.

The upper surface of the ejector plate 7 is coplanar with the upper surface of the lower formwork 3 , and is used to eject the workpiece 6 without affecting the normal installation of the workpiece 6 .

A buffer pad is provided between the lower template 3 and the lower mold base 2 to reduce the vibration caused by the impact of the punch 4 on the lower template 3 when closing the molds.

The working principle of the utility model is: in the process of turning the handle 18, the rotating shaft 16 drives the cam 17 to rotate, and the top material shaft end plate 12 rises or falls, and then drives the top material plate 7 to extend or retract, realizing The ejection effect on the workpiece 6 is suitable for stamping processing of small hardware parts, and the operation is convenient.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. the material jacking mechanism in a kind of small-sized handware diel, including upper bolster, die shoe, lower template, punch-pin, liftout Plate, liftout axle and base, the upper bolster are installed with guide pillar and punch-pin, lower template and are provided with guide pin bushing at the position of correspondence guide pillar, After matched moulds, guide pillar is placed in guide pin bushing, and workpiece is placed with lower template, and lower template is fixed on die shoe, it is characterised in that lower mould Offered in plate and die pad fixed block is installed in stepped cavity, stepped cavity, the fixed die pad in top of die pad fixed block, Die pad is placed at the opening of stepped cavity, and the bottom of die pad is installed with many liftout axles, and liftout axle is through lower template with Die holder and end is fixed on the plate of liftout shaft end, die shoe is fixed on base by many supports, the following table of liftout shaft end plate Face is fitted with the wheel face of cam, fixed rotating shaft at the axle center of cam, and the end of rotating shaft is fixedly connected with hand handle.

2. the material jacking mechanism in a kind of small-sized handware diel according to claim 1, it is characterised in that every institute The outside for stating liftout axle is arranged with spring, and the two ends of spring are against between die shoe and liftout shaft end plate respectively.

3. the material jacking mechanism in a kind of small-sized handware diel according to claim 1, it is characterised in that the hand Being hinged by bearing pin with wherein one support so that hand is formation lever construction.

4. the material jacking mechanism in a kind of small-sized handware diel according to claim 1, it is characterised in that the top The upper surface of flitch and lower template upper surface are coplanar.

5. the material jacking mechanism in a kind of small-sized handware diel according to claim 1, it is characterised in that under described Cushion pad is provided between template and die shoe.