Hydraulically-driven cold heading equipment

Abstract

The utility model relates to the technical field of hydraulically-driven cold heading equipment, and discloses hydraulically-driven cold heading equipment which comprises a cold heading machine, and buffering foot pad devices are assembled at the four corners of the bottom of the cold heading machine. The buffering foot pad device comprises two parts which are matched with each other in an inserted mode, a spring is arranged between the two parts which are matched with each other in an inserted mode, the buffering foot pad device is used for absorbing impact energy, the buffering foot pad device further comprises a fluid adjusting part and a piston, and fluid penetrates through a hole specially made in the piston so that impact kinetic energy can be converted into pressure of the fluid to the piston. According to the magnetic adjustable buffering foot pad device, when impact kinetic energy is generated on equipment, the magnetic attraction characteristic of the magnetic flow liquid and the magnet piece and the cooperation of the buffering spring are used for energy absorption, rigid impact of the equipment is effectively reduced, and the stability and safety of the equipment are greatly improved.

Description

Technical Field

[0001] This utility model relates to the technical field of hydraulically driven cold heading equipment, and in particular to a hydraulically driven cold heading equipment. Background Technology

[0002] Existing cold heading machines are specialized equipment primarily used for the mass production of fasteners such as nuts and bolts, with the heading mechanism as the main component.

[0003] However, its working characteristics result in a large kinetic energy impact on the ground during operation. Over time, this will cause damage to the fastening parts of the equipment (threaded connection structure, riveting structure, weld seam), and metal fatigue will reduce the life of the equipment.

[0004] This proposal is put forward in order to improve and optimize the above-mentioned problems or shortcomings. Utility Model Content

[0005] A hydraulically driven cold heading device includes a cold heading machine, wherein cushioning pads are installed at the four corners of the bottom of the cold heading machine.

[0006] The cushioning foot pad includes two interlocking components and a spring between the two interlocking components for absorbing impact energy. It also includes a fluid regulating component and a piston through which fluid passes to convert the impact kinetic energy into fluid pressure on the piston.

[0007] Preferably, the buffer pad includes a connecting plate, which is fixedly connected to the cold heading machine by bolts. A buffer pad main rod is fixedly provided at the lower end of the connecting plate, and a rigid piston end is fixedly provided at the lower end of the buffer pad main rod. The rigid piston end is inserted into the buffer pad cylinder and extends and retracts vertically. A rubber sealing sleeve is fitted over the rigid piston end, and the rubber sealing sleeve is sealed and fitted against the inner wall of the buffer pad cylinder.

[0008] Preferably, the buffer foot pad cylinder is equipped with a buffer spring to push the end of the rigid piston upward, so that the impact force is absorbed by the buffer spring when the cold heading machine is working.

[0009] Preferably, a magnet is fixedly provided on the end of the rigid piston, and the magnet has a through hole for the flow of magnetic fluid stored in the buffer foot pad. The magnetic fluid passes through the magnet and attracts each other to form damping, thereby limiting the elastic extension and contraction speed of the buffer spring and preventing the buffer spring from jumping.

[0010] Preferably, the magnet is an electromagnet, and an electromagnet wire connected to the magnet is pre-embedded in the main rod of the buffer foot pad. The magnet is controlled by the electromagnet wire, and the magnetic attraction force of the electromagnet is changed by changing the voltage, thereby adjusting the damping force when the magnetofluid passes through the magnet.

[0011] Preferably, a rubber base is fixed at the lower end of the buffer foot pad, and the lower end surface of the rubber base is provided with honeycomb holes to reduce grounding noise during equipment operation.

[0012] The advantages and positive effects of this utility model are:

[0013] 1. By employing magnetically adjustable buffer pads, when impact kinetic energy is generated on the equipment, the magnetic attraction characteristics of the magnetic fluid and the magnetic components, along with the cooperation of the buffer spring, are utilized to absorb energy, effectively reducing the rigid impact on the equipment itself and greatly improving the stability and safety of the equipment. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 yes Figure 1 A schematic diagram of the internal structure of the intermediate cushioning foot pad 11.

[0017] The following are labels in the attached diagram: 10. Cold heading machine; 11. Buffer foot pad; 12. Connecting plate; 13. Buffer foot pad main rod; 14. Buffer foot pad cylinder; 15. Rubber base; 16. Hard piston end; 17. Rubber sealing sleeve; 18. Magnet; 19. Electromagnet wire; 20. Buffer spring. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0019] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0020] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings:

[0021] like Figure 1-2 As shown, the hydraulically driven cold heading equipment of this utility model includes a cold heading machine 10, and buffer foot pads 11 are installed at the four corners of the bottom of the cold heading machine 10.

[0022] The cushioning foot pad 11 includes two interlocking components and a spring between the two interlocking components for absorbing impact energy. It also includes a fluid regulating component and a piston through which fluid passes to convert the impact kinetic energy into fluid pressure on the piston.

[0023] Preferably, the buffer pad device 11 includes a connecting plate 12, which is fixedly connected to the cold heading machine 10 by bolts. A buffer pad main rod 13 is fixedly provided at the lower end of the connecting plate 12, and a rigid piston end 16 is fixedly provided at the lower end of the buffer pad main rod 13. The rigid piston end 16 is inserted into the buffer pad cylinder 14 and extends and retracts vertically. A rubber sealing sleeve 17 is fitted over the rigid piston end 16, and the rubber sealing sleeve 17 is sealed and fitted to the inner wall of the buffer pad cylinder 14.

[0024] Preferably, the buffer foot pad 14 is provided with a buffer spring 20 to push the hard piston end 16 upward, and the impact force is absorbed by the buffer spring 20 when the cold heading machine 10 is working.

[0025] Preferably, a magnet 18 is fixedly provided on the hard piston end 16, and the magnet 18 has a through hole for the flow of magnetic fluid stored in the buffer foot pad cylinder 14. The magnetic fluid passes through the magnet 18 and magnetically attracts each other to form damping, thereby limiting the elastic extension and contraction speed of the buffer spring 20 and preventing the buffer spring 20 from jumping.

[0026] Preferably, the magnet 18 is an electromagnet, and an electromagnet wire 19 connected to the magnet 18 is pre-embedded in the main rod 13 of the buffer foot pad. The magnet 18 is controlled by the electromagnet wire 19. By changing the voltage, the magnetic attraction force of the electromagnet changes, thereby adjusting the damping force when the magnetofluid passes through the magnet 18.

[0027] Preferably, a rubber base 15 is fixed at the lower end of the buffer foot pad 14, and the lower end surface of the rubber base 15 is provided with honeycomb holes to reduce grounding noise during equipment operation.

[0028] It should be emphasized that the embodiments described in this utility model are illustrative rather than limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementation methods derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.

Claims

1. A hydraulically driven cold heading machine comprising a cold header (10), characterized in that: The buffer foot pad (11) is arranged at the bottom of the cold header (10) and is composed of two parts which are inserted into each other and a spring arranged between the two parts for absorbing impact energy. The buffer foot pad (11) comprises a connecting plate (12) which is fixedly connected to the cold header (10) by bolts, a buffer foot pad main rod (13) fixedly arranged at the lower end of the connecting plate (12), a hard piston end head (16) fixedly arranged at the lower end of the buffer foot pad main rod (13), a rubber sealing sleeve (17) sleeved on the hard piston end head (16) and tightly fitted with the inner wall of the buffer foot pad cylinder (14).

2. A hydraulically driven cold heading machine according to claim 1, characterized in that: The buffer foot pad cylinder (14) is provided with a buffer spring (20) for upwardly pushing the hard piston end head (16), and the buffer spring (20) absorbs impact force when the cold header (10) is working.

3. A hydraulically driven cold heading machine according to claim 2, characterized in that: A magnet piece (18) is fixedly arranged on the hard piston end head (16), and the magnet piece (18) is provided with a through hole for allowing magnetic fluid stored in the buffer foot pad cylinder (14) to flow through the magnet piece (18) and be magnetically attracted to form damping, thereby limiting the elastic expansion speed of the buffer spring (20) and avoiding the buffer spring (20) from bouncing.

4. A hydraulically driven cold heading machine according to claim 3, characterized in that: The magnet piece (18) is an electromagnet, and an electromagnet wire (19) connected to the magnet piece (18) is pre-embedded in the buffer foot pad main rod (13), and the magnet piece (18) is controlled by the electromagnet wire (19) to change the magnetic attraction force of the electromagnet by changing the voltage, thereby adjusting the damping force of the magnetic fluid passing through the magnet piece (18).

5. A hydraulically driven cold heading machine according to claim 4, characterized in that: A rubber base (15) is fixedly arranged at the lower end of the buffer foot pad cylinder (14), and the lower end surface of the rubber base (15) is provided with honeycomb holes for reducing grounding noise during equipment operation.

6. A hydraulically driven cold heading machine according to claim 5, characterized in that: ​

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