CN216608680U

CN216608680U - Tensioning device for blade with hole

Info

Publication number: CN216608680U
Application number: CN202122257049.3U
Authority: CN
Inventors: 王志晟
Original assignee: Beijing Demina Precision Machinery Co ltd
Current assignee: Beijing Demina Precision Machinery Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-05-27
Anticipated expiration: 2031-09-17

Abstract

The utility model provides a tensioning device for a blade with a hole, which comprises a front cylinder body, a rear cylinder body, an oil cavity, a piston, a large spring, a rivet seat, a rivet, a small spring, a tool apron, a blade, a flexible pad, a solenoid valve, an air pipe, a mounting frame, an oil inlet, an oil outlet, a first buffer cavity, a sealing cover and a second buffer cavity, wherein the oil cavity is enclosed between the front cylinder body and the rear cylinder body, the piston is connected in the oil cavity in a sliding manner, the rivet seat is clamped at the front end of the piston, the large spring is sleeved outside the piston, the first buffer cavity is arranged inside the rear end of the front cylinder body, one end of the rivet seat is introduced into the first buffer cavity, the second buffer cavity is arranged inside the front end of the rivet seat, one end of the rivet is connected with the second buffer cavity in a sliding manner, the small spring is arranged inside the second buffer cavity, the front end of the rivet is sleeved with the tool apron, the two sides of the blade are respectively provided with the flexible pads which are contacted with the end part of the rivet and the tool apron, the inside of preceding cylinder body installs the solenoid valve, and the solenoid valve intercommunication tuber pipe. The tensioning device is convenient to clamp and convenient to machine the blade.

Description

Tensioning device for blade with hole

Technical Field

The utility model relates to the technical field of clamping equipment, in particular to a tensioning device for a blade with a hole.

Background

For the clamping of a mechanical clamping blade with a positioning hole, the conventional device mostly utilizes the outline of the blade for positioning, and cannot realize the complete processing of the periphery of the blade in one-time clamping.

Therefore, it is desirable to design a tension device for a holed blade to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tensioning device for a blade with a hole, which is convenient and fast to clamp and convenient to machine the blade.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the tensioning device with the hole blade comprises a front cylinder body, a rear cylinder body, an oil cavity, a piston, a large spring, a rivet seat, a rivet, a small spring, a knife holder, a blade, a flexible pad, a solenoid valve, an air pipe, a mounting frame, an oil inlet, an oil outlet, a first buffer cavity, a sealing cover and a second buffer cavity, and is characterized in that the oil cavity is enclosed between the front cylinder body and the rear cylinder body, the piston is connected in the oil cavity in a sliding manner, the rivet seat is clamped at the front end of the piston, the large spring is sleeved outside the piston, the first buffer cavity is arranged inside the rear end of the front cylinder body, one end of the rivet seat is introduced into the first buffer cavity and is connected with the first buffer cavity in a sliding manner, the second buffer cavity is arranged inside the front end of the rivet seat, one end of the rivet penetrates through the front cylinder body and is connected with the second buffer cavity in a sliding manner, the small spring sleeved with the rivet is arranged inside the second buffer cavity, the utility model discloses a rivet, including the rivet, blade holder, solenoid valve output intercommunication tuber pipe, the blade is installed to the front end cover of rivet, install the blade holder on the blade holder, the both sides of blade are equipped with the flexible pad with rivet tip and blade holder contact respectively, the internally mounted of preceding cylinder body has compressed air's solenoid valve, the solenoid valve output communicates the tuber pipe, the tuber pipe is connected with the mounting bracket of fixing cylinder body front end in the front.

Preferably, an oil inlet and an oil outlet are formed in the oil cavity.

Preferably, a sealing cover is fixedly mounted at the rear end of the oil chamber through a bolt.

Preferably, the air duct is hinged to the mounting bracket.

Preferably, a sealing ring is arranged inside the sealing cover.

The utility model provides a tensioning device for a perforated blade. The method has the following beneficial effects:

1. the tensioning device for the blade with the hole provided by the utility model pushes the piston to compress the large spring through the oil inlet so that the rivet seat is pressed to move forwards, the front end of the rivet seat slides forwards in the first buffer cavity so that the small spring is pressed to push the rivet to eject, the end part of the rivet slides forwards in the second buffer cavity, thereby separating the tool apron and the blade, facilitating the taking and the clamping of the tool, returning oil through the oil outlet, gradually resetting the big spring and the small spring, pulling the rivet seat and the rivet back, the front end of the blind rivet firmly clamps the blade on the blade holder, and because the two sides of the blade are respectively provided with the flexible pads which are contacted with the end part of the blind rivet and the blade holder, the blade is difficult for damaging when the clamping, and the solenoid valve through compressed air is convenient for cool and get rid of metal powder for the tuber pipe supplies cold wind when processing the blade, avoids causing the damage to the blade, and the convenient blade of being convenient for of clamping is processed.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: the oil-saving type hydraulic cylinder comprises a front cylinder body 1, a rear cylinder body 2, an oil chamber 3, a piston 4, a large spring 5, a rivet seat 6, a rivet 7, a small spring 8, a knife seat 9, a blade 10, a flexible cushion 11, an electromagnetic valve 12, an air pipe 13, a mounting frame 14, an oil inlet 15, an oil outlet 16, a first buffer chamber 17, a sealing cover 18 and a second buffer chamber 19.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the tensioning device for the blade with the hole comprises a front cylinder body 1, a rear cylinder body 2, an oil cavity 3, a piston 4, a large spring 5, a blind rivet seat 6, a blind rivet 7, a small spring 8, a tool apron 9, a blade 10, a flexible pad 11, an electromagnetic valve 12, an air pipe 13, a mounting frame 14, an oil inlet 15, an oil outlet 16, a first buffer cavity 17, a sealing cover 18 and a second buffer cavity 19, wherein the oil cavity 3 is enclosed between the front cylinder body 1 and the rear cylinder body 2, the piston 4 is slidably connected inside the oil cavity 3, the blind rivet seat 6 is clamped at the front end of the piston 4, the large spring 5 is sleeved outside the piston 4, the first buffer cavity 17 is arranged inside the rear end of the front cylinder body 1, one end of the blind rivet seat 6 is introduced into the first buffer cavity 17 and is slidably connected with the first buffer cavity 17, the second buffer cavity 19 is arranged inside the front end of the blind rivet seat 6, one end of the blind rivet 7 penetrates through the front cylinder body 1 and is slidably connected with the second buffer cavity 19, the inside of second cushion chamber 19 be equipped with little spring 8 that blind rivet 7 cup jointed, the front end cup joint of blind rivet 7 installs blade holder 9, install blade 10 on the blade holder 9, the both sides of blade 10 are equipped with respectively with the flexible pad 11 of blind rivet 7 tip and the contact of blade holder 9, the internally mounted of preceding cylinder body 1 has compressed air's solenoid valve 12, solenoid valve 12 output intercommunication tuber pipe 13, tuber pipe 13 is connected with the mounting bracket 14 of fixing cylinder body 1 front end in the front.

Through the scheme of the utility model, the oil cavity 3 is internally provided with an oil inlet 15 and an oil outlet 16.

Through the scheme of the utility model, the rear end of the oil chamber 3 is fixedly provided with the sealing cover 18 through a bolt.

Through the scheme of the utility model, the air pipe 12 is hinged with the mounting frame 14, so that the air outlet angle of the air pipe 12 can be adjusted conveniently.

According to the scheme of the utility model, the sealing ring is arranged inside the sealing cover 18 for sealing.

When the tool is used, the piston 4 is pushed to compress the large spring 5 to enable the rivet seat 6 to move forwards under pressure through the oil inlet 15, the front end of the rivet seat 6 slides forwards in the first buffer cavity 17 to enable the small spring 8 to push the rivet 7 to eject, the end part of the rivet 7 slides forwards in the second buffer cavity 19 to enable the tool apron 9 and the blade 10 to be separated, so that the tool can be taken out and clamped conveniently, oil returns through the oil outlet 16, the large spring 5 and the small spring 8 gradually reset, the rivet seat 6 and the rivet 7 are pulled back, so that the blade 10 is firmly clamped on the tool apron 9 by the front end of the rivet 7, as the flexible pads 11 which are in contact with the end part of the rivet 7 and the tool apron 9 are respectively arranged on two sides of the blade 10, the blade 10 is not easy to damage during clamping, the electromagnetic valve 12 for compressed air is used for supplying cold air to the air pipe 13 during processing of the blade 10 to facilitate cooling and removing metal powder for the blade 10, and avoiding damage to the blade 10, the clamping is convenient and fast, and the blade is convenient to process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. 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 tensioning device for a blade with a hole comprises a front cylinder body (1), a rear cylinder body (2), an oil cavity (3), a piston (4), a large spring (5), a rivet seat (6), a rivet (7), a small spring (8), a tool apron (9), a blade (10), a flexible pad (11), an electromagnetic valve (12), an air pipe (13), a mounting frame (14), an oil inlet (15), an oil outlet (16), a first buffer cavity (17), a sealing cover (18) and a second buffer cavity (19), and is characterized in that the oil cavity (3) is enclosed between the front cylinder body (1) and the rear cylinder body (2), the piston (4) is connected to the inside of the oil cavity (3) in a sliding manner, the rivet seat (6) is clamped at the front end of the piston (4), the large spring (5) is sleeved outside the piston (4), the first buffer cavity (17) is arranged inside the rear end of the front cylinder body (1), one end of the rivet seat (6) is communicated into the first buffer cavity (17) and is connected with the first buffer cavity in a sliding way, a second buffer cavity (19) is arranged in the front end of the rivet seat (6), one end of the rivet (7) penetrates through the front cylinder body (1) and is connected with the second buffer cavity (19) in a sliding way, a small spring (8) sleeved with the blind rivet (7) is arranged in the second buffer cavity (19), the front end of the blind rivet (7) is sleeved with a knife holder (9), a blade (10) is arranged on the knife holder (9), two sides of the blade (10) are respectively provided with a flexible pad (11) which is contacted with the end part of the blind rivet (7) and the tool apron (9), an electromagnetic valve (12) for compressing air is arranged in the front cylinder body (1), the output end of the electromagnetic valve (12) is communicated with an air pipe (13), and the air pipe (13) is connected with a mounting rack (14) fixed at the front end of the front cylinder body (1).

2. The tension device for a holed blade according to claim 1, characterized in that: an oil inlet (15) and an oil outlet (16) are arranged in the oil cavity (3).

3. The tension device for a holed blade according to claim 1, characterized in that: and a sealing cover (18) is fixedly mounted at the rear end of the oil cavity (3) through a bolt.

4. The tension device for a holed blade according to claim 1, characterized in that: the air pipe (12) is hinged with the mounting frame (14).

5. The tension device for a holed blade according to claim 1, characterized in that: and a sealing ring is arranged in the sealing cover (18).