CN215279457U

CN215279457U - Nut punching die

Info

Publication number: CN215279457U
Application number: CN202121694791.4U
Authority: CN
Inventors: 李惠军
Original assignee: Suzhou Yunliang Machinery Technology Co ltd
Current assignee: Suzhou Yunliang Machinery Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-24
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a nut cut-out press, including last mould, lower flitch and bottom plate, the flitch has the fixed slot down, the lower mould is fixed in the fixed slot, the fixed slot bottom is equipped with and runs through the first through-hole of lower flitch upper and lower surface, the lower mould is equipped with the constant head tank that is used for holding the nut blank, the constant head tank bottom is equipped with and runs through the second through-hole of the upper and lower surface of lower mould, the second through-hole with first through-hole is linked together, it has the drift to go up the mould, the drift is followed under the exogenic action the axis motion of second through-hole. The utility model discloses simple structure, convenient to use can improve the efficiency that the nut punched a hole, the cost of manufacture of greatly reduced nut.

Description

Nut punching die

Technical Field

The utility model relates to a nut processing technology field especially relates to a nut cut-out press.

Background

A nut is a nut, a component which is screwed together with a bolt or a screw to perform a fastening function, and all elements which are necessary for manufacturing machines. With the continuous improvement of the living standard of people, the automobile becomes a necessity in the life of people, and the nut is an important part of the automobile. However, the nut is complex to operate in the process of punching the through hole, the structure of the punching die is complex, and the punching efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing punching die is complex in structure and high in nut manufacturing cost, and providing a nut punching die.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a nut cut-out press, includes mould, lower mould, flitch and bottom plate down, the flitch has the fixed slot down, the lower mould is fixed in the fixed slot, the fixed slot bottom is equipped with runs through the first through-hole of lower flitch upper and lower surface, the lower mould is equipped with the constant head tank that is used for holding the nut blank, the constant head tank bottom is equipped with runs through the second through-hole of the upper and lower surface of lower mould, the second through-hole with first through-hole is linked together, it has the drift to go up the mould, the drift is followed under the exogenic action the axis motion of second through-hole.

The upper die further comprises a fixing part, the punch is located at the lower end of the fixing part, a wear-resistant sleeve is sleeved outside the punch, and the upper end of the wear-resistant sleeve abuts against the bottom surface of the fixing part.

The inner diameter of the second through hole is smaller than that of the first through hole.

The lower material plate is a cylinder, a through groove communicated with the first through hole is radially formed in the lower end of the lower material plate, and the through groove penetrates through the front surface and the rear surface of the lower material plate.

The through groove extends downwards to the bottom plate, and the blanking plate is connected with the bottom plate through screws.

The bottom of the blanking plate is provided with a thread groove, the bottom plate is provided with a thread hole penetrating through the upper surface and the lower surface of the bottom plate, and the screw penetrates through the thread hole to be fixedly connected with the thread groove.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: simple structure, convenient to use can improve the efficiency that the nut punched a hole, can also greatly reduced the cost of manufacture of nut.

Drawings

Fig. 1 is a schematic structural view of a nut punching die and a nut blank of the present invention;

FIG. 2 is an exploded view of the nut punching die of FIG. 1;

FIG. 3 is another angle structure diagram of FIG. 1;

fig. 4 is a sectional view taken along the line a-a of fig. 3.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the utility model relates to a nut cut-out press, including last mould 1, lower mould 2, lower flitch 3 and bottom plate 4, go up mould 1 and be close to or keep away from lower mould 2 under the exogenic action for to punching a hole to nut blank 5 in the lower mould 2, lower mould 2 is fixed with lower flitch 3, and lower flitch 3 is fixed with bottom plate 4.

Referring to fig. 2 and 3, the upper die 1 includes a fixing portion 11 and a punch 12 fixed at a lower end of the fixing portion 11, the punch 12 is rotatable under an external force, the punch 12 is sleeved with a wear-resistant sleeve 121, and the wear-resistant sleeve 121 on the punch 12 is rotatable to remove burrs at an edge of a punched portion of the nut blank 5. In this embodiment, the upper end of the wear-resistant sleeve 121 abuts against the bottom surface of the fixing portion 11.

Referring to fig. 2 and 4, the lower die 2 is fixed in a fixing groove 31 of the blanking plate 3, a first through hole 32 penetrating through the upper and lower surfaces of the blanking plate 3 is formed at the bottom of the fixing groove 31, a positioning groove 21 for accommodating the nut blank 5 is formed in the lower die 2, a second through hole 22 penetrating through the upper and lower surfaces of the lower die 2 is formed at the bottom of the positioning groove 21, the second through hole 22 is communicated with the first through hole 32, and the punch 12 moves along the axis of the second through hole 22 under the action of external force. The inner diameter of the first through hole 32 is smaller than that of the fixing groove 31, and the inner diameter of the second through hole 22 is smaller than that of the positioning groove 21.

In this embodiment, the depth of the fixing groove 31 is equal to the height of the lower mold 2, and the top surface of the lower mold 2 is flush with the top surface of the blanking plate 3. The blanking plate 3 is a cylinder, and the inner diameter of the second through hole 22 is smaller than that of the first through hole 32. Referring to fig. 2 and 3, a through groove 33 communicating with the first through hole 32 is radially opened at the lower end of the blanking plate 3, and the through groove 33 penetrates through the front and rear surfaces of the blanking plate 3 for discharging waste.

The through groove 33 extends downwards to the bottom plate 4, the lower blanking plate 3 is connected with the bottom plate 4 through screws, specifically, a thread groove is formed in the bottom of the lower blanking plate 3, the bottom plate 4 is provided with a thread hole penetrating through the upper surface and the lower surface of the bottom plate, and the screws penetrate through the thread hole and are fixedly connected with the thread groove.

The utility model discloses a nut cut-out press, simple structure, convenient to use can improve the efficiency that the nut punched a hole, the cost of manufacture of the nut that can also greatly reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a nut cut-out press which characterized in that: including last mould, lower mould, flitch and bottom plate down, the flitch has the fixed slot down, the lower mould is fixed in the fixed slot, the fixed slot bottom is equipped with and runs through the first through-hole of lower flitch upper and lower surface, the lower mould is equipped with the constant head tank that is used for holding the nut blank, the constant head tank bottom is equipped with and runs through the second through-hole of the upper and lower surface of lower mould, the second through-hole with first through-hole is linked together, it has the drift to go up the mould, the drift is followed under the exogenic action the axis motion of second through-hole.

2. The nut-piercing die of claim 1, characterized in that: the upper die further comprises a fixing part, the punch is located at the lower end of the fixing part, a wear-resistant sleeve is sleeved outside the punch, and the upper end of the wear-resistant sleeve abuts against the bottom surface of the fixing part.

3. The nut-piercing die of claim 1, characterized in that: the inner diameter of the second through hole is smaller than that of the first through hole.

4. The nut-piercing die of claim 3, characterized in that: the lower material plate is a cylinder, a through groove communicated with the first through hole is radially formed in the lower end of the lower material plate, and the through groove penetrates through the front surface and the rear surface of the lower material plate.

5. The nut-piercing die of claim 4, wherein: the through groove extends downwards to the bottom plate, and the blanking plate is connected with the bottom plate through screws.

6. The nut-piercing die of claim 5, characterized in that: the bottom of the blanking plate is provided with a thread groove, the bottom plate is provided with a thread hole penetrating through the upper surface and the lower surface of the bottom plate, and the screw penetrates through the thread hole to be fixedly connected with the thread groove.