CN219402135U

CN219402135U - Stamping device of cold header

Info

Publication number: CN219402135U
Application number: CN202320208988.5U
Authority: CN
Inventors: 徐义国
Original assignee: Guangzhou Zhongshan Fastener Co ltd
Current assignee: Guangzhou Zhongshan Fastener Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-07-25
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a stamping device of a cold header, which relates to the technical field of cold headers and comprises a base, wherein an adjusting component is arranged in the base, two support plates are fixedly connected to the top end of the base, a top plate is fixedly connected to the top ends of the two support plates, an air cylinder is fixedly connected to the inner side of the top plate, a movable plate is fixedly connected to the telescopic end of the air cylinder, a stamping head is fixedly connected to the bottom end of the movable plate, eight pushing springs are fixedly connected to the bottom end of the movable plate, and auxiliary plates are fixedly connected to the bottom ends of each two pushing springs, and the stamping device has the advantages that: the first screw rod and the second screw rod with opposite screw thread directions are convenient to drive the two limiting plates to move in opposite directions respectively, the limiting plates are convenient to clamp on the sides of the workpiece to limit the workpiece, the stability of the workpiece during stamping is convenient to improve, the friction force of the contact between the limiting plates and the workpiece is convenient to improve through the first rubber pad, and the stability of the contact between the workpiece and the limiting plates is assisted.

Description

Stamping device of cold header

Technical Field

The utility model relates to a stamping device, in particular to a stamping device of a cold header, and belongs to the technical field of cold headers.

Background

The cold header is special equipment mainly used for mass production of fasteners such as nuts and bolts, and the stamping is a forming processing method for obtaining workpieces (stamping parts) with required shapes and sizes by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to enable the plates, the strips, the pipes, the sectional materials and the like to be plastically deformed or separated;

the stamping device for the cold header disclosed by the application number of CN202123264885.0 is also an increasingly mature technology, and the stamping device for the common cold header is mainly designed in a traditional structure, the stamping stability is to be improved, the stamping precision is not stable and is easy to be reduced, so that the processing quality is reduced;

however, the two stamping structures have the following defects in the use process:

1) When in actual use, the workpiece is extruded and limited only by combining the movable plate with the fixed plate, so that the stability of limiting the workpiece is not beneficial to further improvement.

Disclosure of Invention

The utility model aims to provide a stamping device of a cold header, which solves the problem that in the prior art, when in actual use, a workpiece is extruded and limited only by combining a movable plate with a fixed plate, so that the stability of limiting the workpiece is not beneficial to further improvement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stamping device of cold heading machine, includes the base, the inside of base is equipped with adjusting part, two extension boards of top fixedly connected with of base, two the top fixedly connected with roof of extension board, the inboard fixedly connected with cylinder of roof, the flexible end fixedly connected with fly leaf of cylinder, the bottom fixedly connected with punching press head of fly leaf, eight extrusion springs of bottom fixedly connected with of fly leaf, every two the equal fixedly connected with accessory plate in bottom of extrusion spring, every the equal fixedly connected with second rubber pad in bottom of accessory plate, the top fixedly connected with of base places the board.

Preferably, the adjusting component comprises a sliding groove, a double-output-shaft motor and two limiting components, the sliding groove is formed in the inner side of the top end of the base, the double-output-shaft motor is fixedly arranged in the inner side of the bottom end of the sliding groove, a transmission shaft at one end of the double-output-shaft motor is fixedly connected with a first screw rod, and a transmission shaft at the other end of the double-output-shaft motor is fixedly connected with a second screw rod.

Preferably, one end of the first screw rod and one end of the second screw rod are both rotatably connected with the inner side of the sliding groove.

Preferably, the thread direction of the first screw rod is opposite to the thread direction of the second screw rod.

Preferably, the two limiting assemblies comprise limiting plates, wherein one limiting plate is in threaded connection with the outer side of the first screw rod through a screw nut, the other limiting plate is in threaded connection with the outer side of the second screw rod through a screw nut, and one side of each limiting plate is fixedly connected with a first rubber pad.

Preferably, the outer sides of the two limiting plates are attached to the inner sides of the sliding grooves.

Preferably, a switch panel is fixedly arranged on one side of the base, a double-output-shaft motor switch is arranged on the surface of the switch panel, and the double-output-shaft motor is electrically connected with an external power supply through the double-output-shaft motor switch.

Compared with the related art, the stamping device of the cold header provided by the utility model has the following structure

The beneficial effects are that:

1. the stamping device of the cold header is convenient for driving the two limiting plates to move in opposite directions through the first screw rod and the second screw rod with opposite screw thread directions, is convenient for clamping the side of the workpiece to limit the workpiece, is convenient for improving the stability of stamping the workpiece, is convenient for improving the friction force of contact between the limiting plates and the workpiece through the first rubber pad, and assists in improving the stability of contact between the workpiece and the limiting plates;

2. a stamping device of a cold header conveniently enables interaction force to be formed between an auxiliary plate and a workpiece when the workpiece is stamped through elastic pushing acting force of a pushing spring, namely the auxiliary plate is enabled to have lower pushing acting force on the workpiece through the pushing spring with pushing force, stability of limiting the workpiece is improved in an auxiliary mode, and stamping is facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of a cross section of the present utility model;

FIG. 3 is a schematic plan view of the front face of the present utility model;

fig. 4 is a schematic view of a partial planar structure of a cross section of the present utility model.

In the figure: 1. a base; 2. an adjustment assembly; 21. a chute; 22. a double-output shaft motor; 23. a first screw rod; 24. a second screw rod; 25. a limit component; 251. a limiting plate; 252. a first rubber pad; 3. a support plate; 4. a top plate; 5. a cylinder; 6. a movable plate; 7. punching heads; 8. pushing and extruding a spring; 9. an auxiliary plate; 10. a second rubber pad; 11. placing a plate; 12 switch panels.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-4, the utility model provides a stamping device of a cold header, which comprises a base 1, wherein an adjusting component 2 is arranged in the base 1, two support plates 3 are fixedly connected to the top end of the base 1, a top plate 4 is fixedly connected to the top ends of the two support plates 3, an air cylinder 5 is fixedly connected to the inner side of the top plate 4, a movable plate 6 is fixedly connected to the telescopic end of the air cylinder 5, a stamping head 7 is fixedly connected to the bottom end of the movable plate 6, eight pushing springs 8 are fixedly connected to the bottom end of the movable plate 6, auxiliary plates 9 are fixedly connected to the bottom ends of each two pushing springs 8, a second rubber pad 10 is fixedly connected to the bottom end of each auxiliary plate 9, and a placing plate 11 is fixedly connected to the top end of the base 1;

referring to fig. 1-4, a stamping device of a cold header further includes an adjusting component 2, where the adjusting component 2 includes a chute 21, a dual-output motor 22 and two limiting components 25, the chute 21 is opened at the inner side of the top end of the base 1, the dual-output motor 22 is fixedly arranged at the inner side of the bottom end of the chute 21, a transmission shaft at one end of the dual-output motor 22 is fixedly connected with a first screw rod 23, and a transmission shaft at the other end of the dual-output motor 22 is fixedly connected with a second screw rod 24;

one end of the first screw rod 23 and one end of the second screw rod 24 are both rotationally connected with the inner side of the chute 21;

the thread direction of the first screw rod 23 is opposite to the thread direction of the second screw rod 24;

a switch panel 12 is fixedly arranged on one side of the base 1, a double-output-shaft motor switch is arranged on the surface of the switch panel 12, and a double-output-shaft motor 22 is electrically connected with an external power supply through the double-output-shaft motor switch;

specifically, as shown in fig. 1, 2 and 4, a workpiece to be punched is first placed in the middle of the placing plate 11, and then the double-output motor 22 is controlled to operate by a double-output motor switch on the switch panel 12, and at this time, the first screw rod 23 and the second screw rod 24 with opposite screw threads are driven to rotate.

Example 2:

the two limiting assemblies 25 comprise limiting plates 251, wherein one limiting plate 251 is in threaded connection with the outer side of the first screw rod 23 through a screw nut, the other limiting plate 251 is in threaded connection with the outer side of the second screw rod 24 through a screw nut, and one side of each limiting plate 251 is fixedly connected with a first rubber pad 252;

the outer sides of the two limit plates 251 are respectively attached to the inner sides of the sliding grooves 21;

specifically, as shown in fig. 1, 2, 3 and 4, the two limiting plates 251 are driven to approach each other in this time, clamping and limiting are performed from the side of the workpiece, and meanwhile, the contact stability between the limiting plates 251 and the workpiece is improved by the friction force of the first rubber pad 252.

Working principle: when the stamping device of the cold header is particularly used, firstly, a workpiece to be stamped is placed in the middle of a placing plate 11, then, a double-output-shaft motor 22 is controlled to operate through a double-output-shaft motor switch on a switch panel 12, at the moment, a first screw rod 23 and a second screw rod 24 with opposite screw threads are driven to rotate, so that two limiting plates 251 are driven to approach each other, two sides of the workpiece are clamped to limit, meanwhile, the stability of contact between the limiting plates 251 and the workpiece is improved through the friction force of a first rubber pad 252, after the workpiece is limited, a movable plate 6 and a stamping head 7 are controlled to move downwards through an air cylinder 5 to perform stamping operation on the workpiece, and in the process of moving downwards the movable plate 6, interaction forces are generated between the four auxiliary plates 9 and the upper surface of the workpiece under the elastic pushing action of a corresponding pushing spring 8 respectively, namely, the pushing spring 8 with pushing force enables the auxiliary plates 9 to have downward pushing action on the workpiece, and the stability of limiting the workpiece is improved in an auxiliary manner, and the operation is simple and convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Stamping device of cold header, including base (1), its characterized in that: the inside of base (1) is equipped with adjusting part (2), the top fixedly connected with of base (1) two extension boards (3), two the top fixedly connected with roof (4) of extension board (3), the inboard fixedly connected with cylinder (5) of roof (4), the flexible end fixedly connected with fly leaf (6) of cylinder (5), the bottom fixedly connected with punching press head (7) of fly leaf (6), eight extrusion springs (8) of bottom fixedly connected with of fly leaf (6), every two the equal fixedly connected with accessory board (9) of bottom of extrusion spring (8), every the equal fixedly connected with second rubber pad (10) of bottom of accessory board (9), the top fixedly connected with of base (1) places board (11).

2. The stamping device of a cold header as defined in claim 1, wherein: the adjusting component (2) comprises a sliding groove (21), a double-output-shaft motor (22) and two limiting components (25), wherein the sliding groove (21) is formed in the inner side of the top end of the base (1), the double-output-shaft motor (22) is fixedly arranged on the inner side of the bottom end of the sliding groove (21), a transmission shaft at one end of the double-output-shaft motor (22) is fixedly connected with a first screw rod (23), and a transmission shaft at the other end of the double-output-shaft motor (22) is fixedly connected with a second screw rod (24).

3. The stamping device of a cold header as defined in claim 2, wherein: one end of the first screw rod (23) and one end of the second screw rod (24) are both rotatably connected with the inner side of the sliding groove (21).

4. The stamping device of a cold header as defined in claim 2, wherein: the thread direction of the first screw rod (23) is opposite to the thread direction of the second screw rod (24).

5. The stamping device of a cold header as defined in claim 2, wherein: the two limiting assemblies (25) comprise limiting plates (251), one limiting plate (251) is in threaded connection with the outer side of the first screw rod (23) through a screw rod nut, the other limiting plate (251) is in threaded connection with the outer side of the second screw rod (24) through a screw rod nut, and one side of each limiting plate (251) is fixedly connected with a first rubber pad (252).

6. The stamping device of a cold header of claim 5, wherein: the outer sides of the two limiting plates (251) are attached to the inner sides of the sliding grooves (21).

7. The stamping device of a cold header as defined in claim 2, wherein: one side of the base (1) is fixedly provided with a switch panel (12), the surface of the switch panel (12) is provided with a double-output-shaft motor switch, and the double-output-shaft motor (22) is electrically connected with an external power supply through the double-output-shaft motor switch.