CN210547640U

CN210547640U - U-shaped bending die

Info

Publication number: CN210547640U
Application number: CN201921482606.8U
Authority: CN
Inventors: 孙海峰
Original assignee: Nanjing Enrihang Precision Mould Co Ltd
Current assignee: Nanjing Enrihang Precision Mould Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-05-19
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a U-shaped bending die, which comprises a support plate, a bending frame, a sliding rod, a winding spring, a punching head and a die handle, wherein the two support plates are symmetrically arranged, the bending frame is arranged between the two support plates, the top of the bending frame is provided with a bending groove, the sliding rod is arranged in the bending groove and penetrates out from the bottom of the bending frame, the outer wall of the bending frame is provided with a retaining ring, the winding spring is sleeved on the circumferential outer wall of the sliding rod, one end part of the winding spring is contacted with the bottom of the bending groove, the other end part of the winding spring is contacted with the retaining ring, the utility model is matched with a punching machine for use, the die handle is driven by a cylinder on the punching machine to move, the punching head is driven to punch towards the bending groove on the bending frame, and then a steel wire placed at the top of the bending frame enters the bending groove, the U-shaped steel wire can be formed by, the control element is not required to be loaded, and the production cost is low.

Description

U-shaped bending die

Technical Field

The utility model relates to a mould technical field of bending specifically is a U-shaped bender.

Background

The steel wire bender is a machine that can bend the steel wire, can divide into semi-automatic bender and full-automatic bender etc. according to the difference of processing demand, semi-automatic bending is through the machine with the steel wire bend the steel wire remove angle after the artifical steel wire that will bend take off, angle of adjustment back, put into again and bend on the steel wire bender, repeated multiple operation back, can obtain the steel wire of bending of needs, this kind of semi-automatic bender low in production cost, but need artifical multiple operation, waste time and energy, and the steel wire of processing the rounding off also very low, and full-automatic bender can be bent according to the procedure of setting for is automatic, do not need manual operation, but this full-automatic bender manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a U-shaped bender can fix on the punching machine, carries out disposable punching press to the steel wire and bends, and production efficiency is high, simple structure simultaneously, low in production cost.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a U-shaped bender, comprising:

the two support plates are symmetrically arranged;

the bending frame is arranged between the two support plates, and the top of the bending frame is provided with a bending groove;

the sliding rod is arranged in the bending groove and penetrates out of the bottom of the bending frame, and a retainer ring is arranged on the outer wall of the sliding rod;

the winding spring is sleeved on the circumferential outer wall of the sliding rod, one end of the winding spring is contacted with the bottom of the bending groove, and the other end of the winding spring is contacted with the retainer ring;

the stamping head is vertically arranged at the upper part of the bending frame, and the axis of the stamping head and the axis of the sliding rod are positioned on the same straight line;

and the die handle is arranged at the top of the punching head, and the top of the die handle is used for being connected with a cylinder of the punching machine.

As an optimal selection scheme of U-shaped bender, wherein, the top symmetry of bending frame is provided with two locating pieces, the constant head tank is seted up at the top of locating piece.

As an optimal selection scheme of U-shaped bender, wherein, the bottom of the pole that slides is provided with the stopper.

As an optimal selection scheme of U-shaped bender, wherein, the bottom of punching press head is provided with the arc chamfer.

As an optimal selection scheme of U-shaped bender, wherein, the top cover of slide bar is equipped with the rubber sleeve.

Compared with the prior art: the utility model discloses a use with the punch press cooperation, through the motion of the cylinder drive die shank on the punch press, drive the punching press head to the bending inslot punching press on the frame of bending, and then make place and enter into the inslot of bending at the steel wire at frame top of bending, a punching press can form the U-shaped steel wire, and convenient operation is quick, and is efficient, and the utility model discloses simple structure need not load control element, low in production cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and 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 these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the initial state structure of the U-shaped bending die of the present invention;

FIG. 2 is a schematic view of the stamping state of the U-shaped bending die of the present invention;

fig. 3 is a side view of the positioning block in the U-shaped bending die fig. 1 of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a U-shaped bender can fix on the punching machine, carries out disposable punching press to the steel wire and bends, and production efficiency is high, simple structure simultaneously, low in production cost.

Fig. 1 is a schematic view illustrating an initial state structure of a U-shaped bender according to the present embodiment, and referring to fig. 1, the U-shaped bender according to the present embodiment includes: the support plate 100, the bending frame 200, the slide rod 300, the coil spring 400, the punch 500 and the die shank 600.

The two support plates 100 are symmetrically arranged and used for installing the bending frame 200 and suspending and fixing the bending frame 200 on the punching machine.

The bending frame 200 is disposed between the two support plates 100, a bending groove 210 is formed at the top of the bending frame 200, and the bending groove 210 is used for installing the sliding rod 300.

The sliding rod 300 is arranged in the bending groove 210 and penetrates out of the bottom of the bending frame 200, the sliding rod 300 is used for supporting a steel wire, the outer wall of the sliding rod is provided with a retaining ring 310, and the retaining ring 310 is used for being matched with the winding spring 400, so that the sliding rod 300 can automatically rebound and recover after sliding downwards.

The coil spring 400 is fitted around the outer circumferential wall of the slide lever 300, and has one end contacting the bottom of the bent groove 210 and the other end contacting the stopper 310.

The stamping head 500 is vertically arranged at the upper part of the bending frame 200, the axis of the stamping head and the axis of the sliding rod 300 are positioned on the same straight line, and the stamping head 500 is used for stamping the steel wire and pressing the steel wire into the bending groove 210 of the bending frame 200.

The die shank 600 is arranged at the top of the punching head 500, the top of the die shank is connected with a cylinder of the punch press, and the die shank 600 is driven to move downwards through the cylinder on the punch press so as to drive the punching head 500 to punch downwards.

With reference to fig. 1-2, the U-shaped bending die of the present embodiment has the following specific working process: firstly, a worker fixes two supporting plates 100 on a punch press base to enable a bending frame 200 to be suspended in the air, then places a steel wire on the top of the bending frame 200, the U-shaped bending die state is shown in figure 1, then presses an opening button of an air cylinder on the punch press, the air cylinder drives a die shank 600 to move downwards, further drives a punching head 500 to punch downwards, the steel wire is pressed into a bending groove 210, the punching head 500 drives a sliding rod 300 to slide downwards, a winding spring 400 is compressed, when a piston rod of the air cylinder reaches the maximum range, the punching head 500 reaches the maximum depth, the steel wire is bent to form a U shape, the U-shaped bending die state is shown in figure 2, the piston rod of the air cylinder returns to the original position, the punching head 500 and the die shank 600 also return to the original position, and the winding spring 400 drives the sliding rod 300 to slide upwards due to the compression of the winding spring 400, the sliding rod 300 ejects the steel wire upwards from the bending groove 210, and a worker can take the bent U-shaped steel wire.

Further, referring to fig. 1 again, in order to prevent the bottom of the sliding rod 300 from being driven upwards by the coil spring 400 to completely penetrate into the bending groove 210, and thus the sliding rod 300 cannot slide downwards next time, a limiting block 800 is disposed at the bottom of the sliding rod 300, so that the bottom of the sliding rod 300 is limited when the sliding rod 300 slides upwards, and meanwhile, in order to prevent the punching head 500 from impacting and damaging the top of the sliding rod 300 in the punching process, a rubber sleeve is sleeved at the top of the sliding rod 300, a part of the impact force of the punching head 500 on the sliding rod 300 is removed, and the service life of the sliding rod 300 is prolonged.

Furthermore, the bottom of the stamping head 500 is provided with an arc-shaped chamfer, so that the smooth and flat bending part of the U-shaped steel wire formed by stamping the steel wire by the stamping head 500 is ensured, and the quality and the attractiveness of the U-shaped steel wire are improved.

Further, referring to fig. 1-3, the top of the bending frame 200 is symmetrically provided with two positioning blocks 700, the top of the positioning block 700 is provided with positioning grooves 710, and when a steel wire is stamped, the positioning grooves 710 of the two positioning blocks 700 can be lapped, so that the steel wire does not shift or slide when being stamped into the bending groove 210, and the bending quality of the steel wire is improved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a U-shaped bender which characterized in that includes:

the supporting plates (100), two of the supporting plates (100) are symmetrically arranged;

the bending frame (200) is arranged between the two support plates (100), and the top of the bending frame is provided with a bending groove (210);

the sliding rod (300) is arranged in the bending groove (210) and penetrates out of the bottom of the bending frame (200), and a retainer ring (310) is arranged on the outer wall of the sliding rod;

the winding spring (400) is sleeved on the circumferential outer wall of the sliding rod (300), one end of the winding spring is in contact with the bottom of the bending groove (210), and the other end of the winding spring is in contact with the retainer ring (310);

the stamping head (500) is vertically arranged at the upper part of the bending frame (200), and the axis of the stamping head and the axis of the sliding rod (300) are positioned on the same straight line;

and the die handle (600) is arranged at the top of the punching head (500), and the top of the die handle is used for being connected with a cylinder of the punching machine.

2. The bending die in the U shape according to claim 1, wherein two positioning blocks (700) are symmetrically arranged on the top of the bending frame (200), and positioning grooves (710) are formed on the tops of the positioning blocks (700).

3. The U-shaped bender according to claim 1, characterized in that the bottom of the sliding rod (300) is provided with a stopper (800).

4. The U-bender according to claim 1, characterized in that the bottom of the punch (500) is provided with an arc-shaped chamfer.

5. The U-shaped bender according to claim 1, characterized in that the top of the slide bar (300) is sleeved with a rubber sleeve.