CN217044195U - Punch mechanism capable of ensuring verticality - Google Patents

Abstract

The utility model relates to the technical field of stamping dies, in particular to a punch mechanism capable of ensuring verticality. Including an upper mold and a lower mold, the upper mold and the lower mold are arranged correspondingly up and down, and the upper mold includes an upper connecting plate, an upper mounting plate arranged at the lower end of the upper connecting plate, a cover plate arranged at the lower end of the upper mounting plate, and a There are several cylindrical holes on the upper mounting plate, the cylindrical holes are provided with T-shaped nuts, the T-shaped nuts are fixedly connected with a punch by bolts, and the bolts are threadedly connected to the top of the punch, and the two are vertically arranged, A spacer is also arranged between the punch and the bolt, and the punch is arranged through the cover plate. The beneficial point of the utility model is that the punch is installed by means of hoisting, and it will always be hoisted downward at any time, so as to ensure the verticality between the punch and the plate, that is, to ensure the gap between the punch and the die. Clearance.

Description

A punch mechanism capable of ensuring verticality

technical field

The utility model relates to the technical field of stamping dies, in particular to a punch mechanism capable of ensuring verticality.

Background technique

Mould (mú jù), various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In a nutshell, a mold is a tool used to make a shaped item, this tool is made up of various parts, and different molds are made up of different parts. It mainly realizes the processing of the shape of the article by changing the physical state of the formed material. Known as the "Mother of Industry".

Under the action of external force, the blank becomes a tool with a specific shape and size. It is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy parts pressing, pressure casting, and compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or cavity shape, and the use of the contour shape with the cutting edge can separate the blank according to the contour shape (blanking). Applying the cavity shape allows the blank to obtain a corresponding three-dimensional shape. The mold generally includes two parts, a movable mold and a fixed mold (or a punch and a concave mold), which can be divided and combined. When separated, the parts are taken out, and when closed, the blanks are injected into the mold cavity to form. The mold is a precision tool with complex shape, which bears the expansion force of the blank, and has high requirements on structural strength, rigidity, surface hardness, surface roughness and machining accuracy. The development level of mold production is one of the important signs of the level of machinery manufacturing.

In the prior art, for a stamping die, the gap between the punch and the groove is only a few millimeters, so the verticality of the punch must be guaranteed. Affects the verticality of the punch. After multiple punching, the thread will loosen, which will cause deviation on both sides, so that the verticality of the punch will change. When pressing down again, it will collide with the concave block, not only the stamping accuracy of the product is wrong. , the mold will also be damaged, so it is necessary to design a suspended punch mechanism that can ensure verticality.

Utility model content

The purpose of the present invention is to provide a punch mechanism capable of ensuring verticality, so as to overcome the above-mentioned shortcomings of the current prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A punch mechanism capable of ensuring verticality includes an upper die and a lower die, the upper die and the lower die are arranged correspondingly up and down, and the upper die comprises an upper connecting plate, an upper mounting plate arranged at the lower end of the upper connecting plate, a A cover plate at the lower end of the upper mounting plate and a number of cylindrical holes arranged on the upper mounting plate, the cylindrical holes are provided with T-shaped nuts, the T-shaped nuts are fixedly connected with a punch by bolts, and the bolts are threadedly connected to The top of the punch is arranged vertically, and a spacer is also arranged between the punch and the bolt. The punch is arranged through the cover plate, and the lower die includes a lower die seat and is arranged on the lower die seat. The lower mounting plate, the lower positioning plate arranged on the lower mounting plate, and the concave die arranged on the lower positioning plate.

Preferably, the T-shaped head of the T-shaped nut is arranged on the upper mounting plate.

Preferably, the upper mold and the lower mold are connected by a guide post and a guide sleeve.

Preferably, an ejector hole is arranged in the punch, a ejector pin is arranged in the ejector hole, and a spring is arranged on the upper end of the ejector pin.

The beneficial effect of the utility model is that the punch is installed by means of hoisting, and it will always be hoisted downwards at any time, so as to ensure the verticality between the punch and the plate, that is, to ensure the gap between the punch and the die. The clearance of the punch is improved, so as to improve the accuracy of stamping and ensure the quality of the stamped product; the punch needs to be polished after multiple punching, but the punch will become shorter after polishing, so the length can be adjusted by replacing the pad, thereby reducing costs and improving Punch utilization.

Description of drawings

1 is a schematic structural diagram of a punch mechanism capable of ensuring verticality of the present utility model;

2 is a partial enlarged view of a punch mechanism capable of ensuring verticality of the present utility model;

In the figure: 1. Upper die; 2. Lower die; 11. Upper connecting plate; 12. Upper mounting plate; 13. Cover plate; 14. Cylindrical hole; 15. T-nut; 16. Bolt; 17. Punch; 18. Spacer; 21. Lower die base; 22. Lower mounting plate; 23. Lower positioning plate; 24. Die; 3. Guide sleeve; 52. Spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

1 to 2, the present embodiment is a punch mechanism capable of ensuring verticality, including an upper die 1 and a lower die 2, the upper die 1 and the lower die 2 are arranged correspondingly up and down, and the upper die 1 includes The upper connecting plate 11, the upper mounting plate 12 arranged at the lower end of the upper connecting plate 11, the cover plate 13 arranged at the lower end of the upper mounting plate 12, and a plurality of cylindrical holes 14 arranged on the upper mounting plate 12, wherein the cylindrical holes 14 are provided with There is a T-shaped nut 15. The T-shaped nut 15 is fixedly connected with a punch 17 through a bolt 16. The bolt 16 is threadedly connected to the top of the punch 17, and the two are vertically arranged. A spacer 18 is also arranged therebetween, the punch 17 is arranged through the cover plate 13 , and the lower die 2 includes a lower die base 21 , a lower mounting plate 22 arranged on the lower die base 21 , and a lower mounting plate 22 . The lower positioning plate 23 and the die 24 arranged on the lower positioning plate 23. The punch needs to be ground after many times of punching, but the punch will become shorter after grinding, so the length can be adjusted by replacing the pad, thereby reducing the cost and improving the utilization rate of the punch.

The T-shaped head of the T-shaped nut 15 is arranged on the upper mounting plate 12 . The punch is hoisted on the upper mounting plate by means of T-shaped nuts and bolts. It is not necessary to ensure the position of the punch, but only the verticality of the punch. The punch is provided with hanging holes for mounting with bolts.

The upper mold 1 and the lower mold 2 are connected by a guide post 3 and a guide sleeve 4 in a matched manner. The upper die and the lower die move up and down through the cooperation of the guide post and the guide sleeve.

The punch 17 is provided with an ejector hole 5 , a ejector pin 51 is arranged in the ejector hole 5 , and a spring 52 is arranged on the upper end of the ejector pin 51 . After the punch is punched, the ejector pins 51 on both sides protrude to eject the waste material and fall down from the blanking chute.

During the implementation of this example, the punch is installed by hanging, and the T-nut is embedded on the upper mounting plate, and then the punch is connected with the bolt thread, and the perpendicularity between the punch and the plate is installed in turn. head.

The beneficial point of the utility model is that the punch is installed by means of hoisting, and it will always be hoisted downward at any time, so as to ensure the verticality between the punch and the plate, that is, the gap between the punch and the die can be ensured. The clearance; the punch needs to be ground after multiple punching, but the punch will become shorter after grinding, so the length can be adjusted by replacing the pad, thereby reducing the cost and improving the utilization rate of the punch.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (4)

1. The utility model provides a can guarantee perpendicular straightness's punch mechanism, includes mould and lower mould, go up mould and lower mould and correspond the setting from top to bottom, its characterized in that: the upper die comprises an upper connecting plate, an upper mounting plate arranged at the lower end of the upper connecting plate, a cover plate arranged at the lower end of the upper mounting plate, and a plurality of cylindrical holes arranged on the upper mounting plate, wherein T-shaped nuts are arranged in the cylindrical holes and are fixedly connected with punches through bolts, the bolts are in threaded connection with the tops of the punches and are vertically arranged, cushion blocks are further arranged between the punches and the bolts, the punches penetrate through the cover plate, and the lower die comprises a lower die base, a lower mounting plate arranged on the lower die base, a lower positioning plate arranged on the lower mounting plate, and a female die arranged on the lower positioning plate.

2. The punch mechanism capable of ensuring perpendicularity as claimed in claim 1, wherein: the T-shaped head of the T-shaped nut is arranged on the upper mounting plate.

3. The punch mechanism capable of ensuring perpendicularity as claimed in claim 1, wherein: the upper die and the lower die are connected in a matched mode through a guide pillar and a guide sleeve.

4. The punch mechanism capable of ensuring perpendicularity as claimed in claim 1, wherein: the punching head is internally provided with a material ejecting hole, the material ejecting hole is internally provided with a material ejecting pin, and the upper end part of the material ejecting pin is provided with a spring.

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