CN216262931U

CN216262931U - Square pipe cutting-off die and stamping mechanism

Info

Publication number: CN216262931U
Application number: CN202122499131.7U
Authority: CN
Inventors: 李盛霖; 王广辉; 黄槐玉
Original assignee: Guangzhou Chuanghe Logistics Industry Co ltd
Current assignee: Guangzhou Chuanghe Equipment Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-12
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a square tube cutting-off die and a stamping mechanism, wherein the die comprises a lower die and an upper die; the lower die comprises a bottom plate and a base; the base is provided with a cutting hole and a strip-shaped hole, the cutting hole penetrates through the upper side and the lower side of the base and is connected with the discharge hole, and the strip-shaped hole transversely penetrates through the base and is connected with the cutting hole and used for accommodating the square pipe; the upper die comprises a punching plate and a cutter; the downside of punching press board is connected to the cutter and penetrates the cutting hole downwards, and the cutter has a basal portion, and the basal portion is equipped with a long limit and two right angle sides that link to each other, and the extending direction in long limit and bar hole is parallel, and each right angle side is 45 degrees contained angles with long limit, and the lower extreme of basal portion is equipped with an inclined plane, and the lower extreme on inclined plane is located the intersection line on two right angle sides. Utilize this side's pipe to cut 45 degrees side's pipes of mould processing, can place rectangular material along the bar hole, go up the mould and push down, the cutter cuts off rectangular material and cuts out 45 degrees hypotenuses, can save the operating procedure, promotes product machining efficiency to alleviate workman's intensity of labour.

Description

Square pipe cutting-off die and stamping mechanism

Technical Field

The utility model relates to the technical field of blanking dies, in particular to a square tube cutting-off die and a stamping mechanism.

Background

The square tube is widely applied to mechanical equipment and can be used for splicing the support. In order to facilitate splicing, a 45-degree angle needs to be cut at the end part of a square pipe sometimes, and the conventional 45-degree square pipe processing mode is that a wheel track type cutting machine is used for cutting raw materials into a plurality of sections of steel pipes, and then 45-degree inclined planes are cut at two ends of each section of steel pipe.

Therefore, there is a need for an improvement of the conventional square tube cutting method.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides the square tube cutting die, and is beneficial to improving the production efficiency of a 45-degree square tube.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a square tube cutting-off die comprises a lower die and an upper die;

the lower die comprises a bottom plate and a base; the bottom plate is provided with a discharge hole; the base is provided with a cutting hole and a strip-shaped hole, the cutting hole penetrates through the upper side and the lower side of the base and is connected with the discharge hole, and the strip-shaped hole transversely penetrates through the base and is connected with the cutting hole and used for accommodating a square pipe;

the upper die comprises a stamping plate and a cutter; the downside that the punching press board was connected to the cutter penetrates downwards cut the hole for cut square pipe, the cutter has a basal portion, the basal portion is equipped with a long limit and two right angle sides that link to each other, long limit is parallel with the extending direction in bar hole, each right angle side with long limit is 45 degrees contained angles, the lower extreme of basal portion is equipped with an inclined plane, the extreme point of inclined plane downside is located the intersection line on two right angle sides.

Preferably, the cutter further comprises an extension part formed by extending from the intersection line of the two long sides to the side far away from the long sides.

As a preferable scheme, the bottom plate is provided with guide pillars extending upwards; the stamping plate is provided with a through hole which is connected with the guide pillar in a sliding manner.

As a preferred scheme, still include reset spring, reset spring cup joints the guide pillar and its both ends respectively the butt the bottom plate with the punching press board.

As a preferred scheme, the upper die further comprises a buffer plate, and the buffer plate is mounted on the bottom surface of the stamping plate and sleeved with the cutter.

As a preferred scheme, the base comprises a base plate and a cover plate; the base plate is arranged on the bottom plate, and the strip-shaped holes are formed in the base plate; the cover plate is arranged on the substrate.

As a preferred scheme, the inclined plane and the horizontal plane form an included angle of 45 degrees.

The utility model also provides a stamping mechanism which comprises the square tube cutting die.

Compared with the prior art, the utility model has the following beneficial effects:

when the square tube cutting die provided by the utility model is used for machining a 45-degree square tube, a long material can be placed along the strip-shaped hole, the upper die is pressed downwards when the square tube cutting die is pushed for a certain distance, the long material is cut by the cutter, and a 45-degree bevel edge is formed at the cut, so that the operation is simple, convenient and quick, the product machining efficiency can be improved, and the labor intensity of workers can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a perspective view of a square tube cutting die according to the present invention;

FIG. 2 is a schematic view of the use of the square tube cutting die of the present invention;

FIG. 3 is a perspective view of the lower mold of the present invention;

FIG. 4 is a top view of the lower mold of the present invention;

FIG. 5 is a top view of FIG. 4 taken along the direction A-A;

FIG. 6 is a perspective view of an upper mold in the present invention;

in the figure:

1. a lower die; 11. a base plate; 111. a discharge hole; 121. a substrate; 122. a cover plate; 123. cutting holes; 124. a strip-shaped hole; 13. a guide post; 2. an upper die; 21. stamping the plate; 211. a through hole; 22. a cutter; 221. a right-angle side; 222. a long side; 223. an inclined surface; 224. an extension portion; 23. a buffer plate; 100. and (4) square tubes.

Detailed Description

For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are a few embodiments of the utility model, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

Referring to fig. 1 to 2, the present embodiment provides a square pipe cutting mold, which includes a lower mold 1 and an upper mold 2. Wherein, the lower die 1 comprises a bottom plate 11 and a base. The bottom plate 11 is mounted on the machine table of the punching mechanism and is provided with a discharge hole 111 for the cutter 22 to pass through and the waste to fall. The base is provided with a cutting hole 123 and a strip-shaped hole 124, the cutting hole 123 penetrates through the upper side and the lower side of the base and is connected with the discharging hole 111, the strip-shaped hole 124 transversely penetrates through the base and is connected with the cutting hole 123, the cross section of the strip-shaped hole is square, the square pipe is used for guiding the moving direction of the square pipe, and the steel pipe and a cutter are ensured to be aligned up and down; the upper die 2 comprises a stamping plate 21 and a cutter 22, and the stamping plate 21 is connected with a lifting driving device of the stamping die; the cutter 22 is connected to the lower side of the punching plate 21 and downwardly penetrates the cutting hole 123, for downwardly cutting the square pipe 100.

As shown in fig. 3-5, the bottom plate 11 is provided with a guide post 13 extending upward, and the stamping plate 21 is provided with a through hole 211 slidably connected to the guide post 13, so as to limit the track of the upper mold 2 moving up and down by the cooperation of the guide post 13 and the through hole 211, and ensure the cutting stability. In addition, a return spring (not shown) is further included, and the return spring is sleeved on the guide post 13, and two ends of the return spring respectively abut against the bottom plate 11 and the punching plate 21, so that the upper die 2 is reset after being pressed down.

Further, the base includes a base plate 121 and a cover plate 122; the substrate 121 is mounted on the bottom plate 11, and the strip-shaped hole 124 is arranged on the substrate 121; the cover plate 122 is disposed on the base plate 121.

As shown in fig. 6, the cutter 22 has a base portion, the base portion is provided with a long side 222 and two right-angle sides 221, the long side 222 is parallel to the extending direction of the strip-shaped hole 124, each right-angle side 221 forms an included angle of 45 degrees with the long side 222, the lower end of the base portion is provided with an inclined surface 223, and the lower end of the inclined surface 223 is located on the intersecting line of the two long sides 222. The inclined surface 223 is provided to cut off the material more smoothly. In this embodiment, the inclined surface 223 preferably forms an angle of 45 degrees with respect to the horizontal plane. In addition, in order to ensure that the cut new square tube can be completely cut off from the material, the cutter 22 further includes an extension portion 224 formed by extending from the intersection line of the two long sides 222 to the side far away from the long sides 222, and the front end of the extension portion is located on the front side of the strip-shaped hole.

Further, the upper die 2 further comprises a buffer plate 23, and the buffer plate 23 is installed on the bottom surface of the stamping plate 21 and is sleeved with the cutter 22. The buffer plate can play a role in buffering and protecting the punching plate 21 and the cutter 22.

The use method of the die is as follows:

as shown in fig. 2, the square tube cutting die is installed on the punching mechanism, the material passes through the strip-shaped hole 124, the punching mechanism drives the upper die 2 to descend, the cutter 22 downwards punches out a triangular notch, the waste material drops through the discharge hole, the material is divided into two sections, the end of the new square tube is provided with a 45-degree inclined plane, and then the material is continuously pushed, so that the next cutting can be performed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A square tube cutting-off die is characterized by comprising a lower die and an upper die;

2. The square tube cutting die according to claim 1, wherein the cutter further comprises an extension portion extending from a crossing line of the two long sides to a side away from the long sides.

3. The square tube cutting die of claim 1, wherein the bottom plate is provided with upwardly extending guide posts; the stamping plate is provided with a through hole which is connected with the guide pillar in a sliding manner.

4. The square tube cutting die according to claim 3, further comprising a return spring, wherein the return spring is sleeved on the guide post, and two ends of the return spring are respectively abutted against the bottom plate and the punching plate.

5. The square tube cutting die according to claim 1, wherein the upper die further comprises a buffer plate, and the buffer plate is mounted on the bottom surface of the punching plate and sleeved with the cutter.

6. The square tube cutoff mold according to claim 1, wherein the base comprises a base plate and a cover plate; the base plate is arranged on the bottom plate, and the strip-shaped holes are formed in the base plate; the cover plate is arranged on the substrate.

7. The square tube cutting die according to claim 1, wherein the inclined surface forms an angle of 45 degrees with the horizontal surface.

8. A punching mechanism comprising the square tube cutting die according to any one of claims 1 to 7.