CN217095366U

CN217095366U - Pipe head necking device

Info

Publication number: CN217095366U
Application number: CN202220998830.8U
Authority: CN
Inventors: 李若玎
Original assignee: Tianjin Songyang Metal Products Co ltd
Current assignee: Tianjin Songyang Metal Products Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-02
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a pipe head necking device, in particular to the technical field of necking devices, which is used for solving the problem that when necking is carried out, the clamp is easy to loosen because the pipe and the clamp need to rotate, comprising a bottom plate and a working plate arranged above the bottom plate, wherein both sides of the top of the working plate are fixedly connected with a limiting plate, the top of the limiting plate is fixedly connected with a threaded sleeve, the inner surface of the threaded sleeve is in threaded connection with a threaded rod, one end of the threaded rod is rotationally connected with an arc-shaped clamping plate through a bearing, the outer surface of the arc-shaped clamping plate is fixedly connected with a limiting rod, one end of the limiting rod penetrates through the limiting plate and extends to the outside of the limiting plate, the pipe is clamped and fixed through the arrangement of the arc-shaped clamping plate, the spring rod limits a rotating handle through the arrangement of the spring rod and a pin hole, thereby preventing the rotating handle from rotating and preventing the rotation of the threaded sleeve, thereby preventing the arc splint from loosening and increasing the processing precision of the device.

Description

Pipe head necking device

Technical Field

The utility model relates to a throat device technical field specifically is tubular product head throat device.

Background

At present, a pipe is reduced by mainly adopting a pipe reducing machine for pressing or a special die for stamping, the pipe reducing machine mainly adopts a spinning mode, a flat plate or hollow blank is fixed on a die of a spinning machine by spinning, and a spinning wheel or a driving rod is used for pressing the blank while the blank rotates along with a main shaft of a lathe so as to generate local plastic deformation. Under the combined action of the feeding motion of the rotary wheel and the rotating motion of the blank, the local plastic deformation is gradually expanded to the whole surface of the blank and tightly attached to the die to complete the spinning processing of parts.

The present throat device, the removal through the threaded rod of most of them is fixed with tubular product clamp, but when carrying out the throat, because tubular product and anchor clamps need rotate to lead to anchor clamps to become flexible easily, thereby the influence is to the processing of tubular product.

To this end we propose a tube head necking device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tubular product head throat device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: tubular product head throat device, including bottom plate and the working plate of setting in the bottom plate top, the equal fixedly connected with limiting plate in both sides at working plate top, the top fixedly connected with thread bush of limiting plate, the internal surface threaded connection of thread bush has the threaded rod, the one end of threaded rod is rotated through the bearing and is connected with arc splint, the external surface fixedly connected with gag lever post of arc splint, the one end of gag lever post runs through the limiting plate and extends to the outside of limiting plate, the other end fixedly connected with of threaded rod rotates the handle, the sliding tray has all been seted up to the both sides at working plate top, the internal surface sliding connection of sliding tray has first sliding block, the top of first sliding block is provided with stop gear.

Preferably, the bottom fixedly connected with annular chute board of working plate, the internal surface sliding connection of annular chute board has the second sliding block, the quantity of second sliding block is provided with three at least.

Preferably, the outer surface of the second sliding block is fixedly connected with a supporting rod, and one end of the supporting rod is fixedly connected with the top of the bottom plate.

Preferably, the bottom of the working plate is fixedly connected with a gear ring, the top of the bottom plate is fixedly connected with a motor, and one end of an output shaft of the motor is fixedly connected with a rotating gear matched with the gear ring.

Preferably, stop gear includes spring barrel and spring beam, the bottom of spring barrel and the surface fixed connection of first sliding block, the internal surface of spring barrel and the surface sliding connection of spring beam.

Preferably, an extension spring is fixedly connected between one end of the spring rod and the inner surface of the spring barrel, a pulling handle is fixedly connected to the outer surface of the spring rod, and a pin hole matched with the spring rod is formed in the outer surface of the rotating handle.

Preferably, the top of the working plate is provided with a mounting through hole, and the mounting through hole is positioned at the center of the working plate.

Preferably, the top of the bottom plate is fixedly connected with a telescopic rod, and one end of the telescopic rod is fixedly connected with a necking die.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this tubular product head throat device sets up through the cooperation of bottom plate, working plate, thread bush, threaded rod, arc splint, rotation handle, sliding tray, first sliding block and stop gear, through the setting of arc splint, presss from both sides tight fixed with tubular product, and through the setting of spring beam and pinhole, the spring beam carries on spacingly to the rotation handle to prevent to rotate the handle and rotate, thereby prevent that the thread bush from rotating, thereby prevent that arc splint are not hard up, thereby increase the machining precision of device.

2. This tubular product head throat device sets up through annular chute board, second sliding block, bracing piece, ring gear, motor and running gear's cooperation, and through the setting of ring gear, the starter motor makes the working plate rotatory to make the tubular product on the working plate rotatory, thereby guarantee that the device can accomplish spinning work.

Drawings

Figure 1 is a general schematic view of the present invention,

FIG. 2 is a schematic structural diagram of the bottom plate and the working plate of the present invention,

fig. 3 is a schematic view of the internal structure of the spring barrel of the present invention.

In the figure: 1. a base plate; 2. a working plate; 3. a threaded sleeve; 4. a threaded rod; 5. an arc-shaped splint; 6. rotating the handle; 7. a sliding groove; 8. a first slider; 9. a limiting mechanism; 10. an annular chute plate; 11. a second slider; 12. a support bar; 13. a gear ring; 14. an electric motor; 15. a rotating gear; 16. a spring barrel; 17. a spring lever; 18. a tension spring; 19. pulling the handle; 20. a pin hole; 21. mounting a through hole; 22. a telescopic rod; 23. necking down the mold; 24. a limiting plate; 25. a limiting rod.

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

Example (b): as shown in figures 1-3, the utility model provides a pipe head necking device, which comprises a bottom plate 1 and a working plate 2 arranged above the bottom plate 1, wherein both sides of the top of the working plate 2 are fixedly connected with a limiting plate 24, the top of the limiting plate 24 is fixedly connected with a thread sleeve 3, the inner surface of the thread sleeve 3 is connected with a threaded rod 4, one end of the threaded rod 4 is rotatably connected with an arc-shaped clamping plate 5 through a bearing, the inner arc surface of the arc-shaped clamping plate 5 is provided with a rubber pad, thereby increasing the friction force between the threaded rod and the pipe and reducing the abrasion to the pipe, the outer surface of the arc-shaped clamping plate 5 is fixedly connected with a limiting rod 25, one end of the limiting rod 25 penetrates through the limiting plate 24 and extends to the outside of the limiting plate 24, the other end of the threaded rod 4 is fixedly connected with a rotating handle 6, both sides of the top of the working plate 2 are provided with sliding grooves 7, the inner surface of the sliding grooves 7 is connected with a first sliding block 8 in a sliding manner, the top of the first sliding block 8 is provided with a limiting mechanism 9, the limiting mechanism 9 comprises a spring barrel 16 and a spring rod 17, the bottom of the spring barrel 16 is fixedly connected with the outer surface of the first sliding block 8, the inner surface of the spring barrel 16 is slidably connected with the outer surface of the spring rod 17, an expansion spring 18 is fixedly connected between one end of the spring rod 17 and the inner surface of the spring barrel 16, the outer surface of the spring rod 17 is fixedly connected with a pulling handle 19, the outer surface of the rotating handle 6 is provided with a pin hole 20 matched with the spring rod 17, because the size of the pipe is fixed, when the pipe is clamped and fastened by the arc-shaped clamping plate 5, the pin hole 20 is matched with the spring rod 17, the top of the working plate 2 is provided with an installation through hole 21, the installation through hole 21 is positioned at the center of the working plate 2, the pipe is clamped and fixed by the arrangement of the arc-shaped clamping plate 5, through the arrangement of the spring rod 17 and the pin hole 20, the spring lever 17 limits the turning handle 6 to prevent the turning handle 6 from turning, thereby preventing the thread bush 3 from turning, and preventing the arc-shaped clamp plate 5 from becoming loose, thereby increasing the processing accuracy of the device.

Further, the bottom of the working plate 2 is fixedly connected with an annular chute plate 10, the inner surface of the annular chute plate 10 is connected with at least three second sliding blocks 11 in a sliding manner, the outer surface of each second sliding block 11 is fixedly connected with a support rod 12, one end of each support rod 12 is fixedly connected with the top of the bottom plate 1, the bottom of the working plate 2 is fixedly connected with a gear ring 13, the top of the bottom plate 1 is fixedly connected with a motor 14, the motor 14 is electrically connected with an external power supply and is controlled by a control switch, one end of an output shaft of the motor 14 is fixedly connected with a rotating gear 15 matched with the gear ring 13, the motor 14 is started to rotate the working plate 2 through the arrangement of the gear ring 13, so that pipes on the working plate 2 are rotated, the normal use of the device is ensured, the top of the bottom plate 1 is fixedly connected with a telescopic rod 22, and the telescopic rod 22 is electrically connected with the external power supply, the control is performed through a control switch, and one end of the telescopic rod 22 is fixedly connected with a necking die 23.

The working principle is as follows: the pipe is placed between two arc-shaped clamping plates 5, a rotating handle 6 is rotated to drive a threaded rod 4 to rotate, due to the arrangement of a threaded sleeve 3, the threaded rod 4 rotates to drive the arc-shaped clamping plates 5 to move, due to the limiting of a limiting rod 25, the arc-shaped clamping plates 5 move in parallel to extrude and fix the pipe, a pulling handle 19 is pulled to drive a spring rod 17 to contract an expansion spring 18, a moving spring barrel 16 drives a first sliding block 8 to move along a sliding groove 7, when the spring rod 17 is inosculated with a pin hole 20, the pulling handle 19 is loosened, the expansion spring 18 extends to drive the spring rod 17 to be inserted into the pin hole 20, so that the rotating handle 6 is limited, a starting motor 14 drives a rotating gear 15 to rotate a gear ring 13, the gear ring 13 drives a working plate 2 to rotate, the working plate 2 drives the pipe between the two arc-shaped clamping plates 5 to rotate, the expansion rod 22 is started to drive a necking die 23 to move upwards, the necking die 23 extrudes the head of the pipe to match the rotation of the pipe, thereby completing the spinning process.

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

Claims

1. Tubular product head throat device includes bottom plate (1) and sets up working plate (2) in bottom plate (1) top, its characterized in that: both sides of the top of the working plate (2) are fixedly connected with limiting plates (24), the top of each limiting plate (24) is fixedly connected with a threaded sleeve (3), the inner surface of the threaded sleeve (3) is connected with a threaded rod (4) in a threaded manner, one end of the threaded rod (4) is rotatably connected with an arc-shaped clamping plate (5) through a bearing, the outer surface of the arc-shaped splint (5) is fixedly connected with a limiting rod (25), one end of the limiting rod (25) penetrates through the limiting plate (24) and extends to the outside of the limiting plate (24), the other end of the threaded rod (4) is fixedly connected with a rotating handle (6), two sides of the top of the working plate (2) are both provided with sliding grooves (7), the inner surfaces of the sliding grooves (7) are connected with first sliding blocks (8) in a sliding manner, and a limiting mechanism (9) is arranged at the top of the first sliding block (8).

2. The tube head necking device of claim 1, wherein: the bottom fixedly connected with annular chute board (10) of working plate (2), the internal surface sliding connection of annular chute board (10) has second sliding block (11), the quantity of second sliding block (11) is provided with three at least.

3. The tube head necking device of claim 2, wherein: the outer fixed surface of second sliding block (11) is connected with bracing piece (12), the top fixed connection of one end and bottom plate (1) of bracing piece (12).

4. The tube head necking device of claim 1, wherein: the bottom of the working plate (2) is fixedly connected with a gear ring (13), the top of the bottom plate (1) is fixedly connected with a motor (14), and one end of an output shaft of the motor (14) is fixedly connected with a rotating gear (15) matched with the gear ring (13).

5. The tube head necking device of claim 1, wherein: the limiting mechanism (9) comprises a spring barrel (16) and a spring rod (17), the bottom of the spring barrel (16) is fixedly connected with the outer surface of the first sliding block (8), and the inner surface of the spring barrel (16) is connected with the outer surface of the spring rod (17) in a sliding mode.

6. The tube head necking device of claim 5, wherein: an extension spring (18) is fixedly connected between one end of the spring rod (17) and the inner surface of the spring barrel (16), a pulling handle (19) is fixedly connected to the outer surface of the spring rod (17), and a pin hole (20) matched with the spring rod (17) is formed in the outer surface of the rotating handle (6).

7. The tube head necking device of claim 1, wherein: the top of the working plate (2) is provided with a mounting through hole (21), and the mounting through hole (21) is positioned at the center of the working plate (2).

8. The tube head necking device of claim 1, wherein: the top fixedly connected with telescopic link (22) of bottom plate (1), the one end fixedly connected with throat mould (23) of telescopic link (22).