阅读说明：本技术 带孔刀片的拉钉拉紧装置 (Blind rivet tension device with hole blade ) 是由 王志晟 于 2021-08-23 设计创作，主要内容包括：本发明提供带孔刀片的拉钉拉紧装置,包括数控分度轴、卡爪拉杆、四分体拉钉卡爪、拉钉座、刀片拉钉、刀片座、刀片、拉杆活塞、拉紧弹簧、旋转油缸、活塞止动块、油缸后端盖、闭口螺塞和装置主体。该装置用于带定位孔的机夹刀片在数控分度轴上的装卡,可实现刀片周边的完整加工,该装置利用刀片定位孔、刀片拉钉、拉钉座定位,相对于利用刀片外轮廓定位,更容易保证刀片各边相对于基准内接圆的位置精度,并且可以实现一次装卡完成刀片周边的完整加工,利用刀片定位孔、刀片拉钉、拉钉座定位,保证刀片内接圆基于定位孔的径向跳动,采用弹簧力拉紧刀片拉钉,拉紧稳定可靠,采用液压油缸加压抵消弹簧力,使拉钉松开,安装空间紧凑。(The invention provides a blind rivet tensioning device with a blade with a hole, which comprises a numerical control indexing shaft, a jaw pull rod, a tetrad blind rivet jaw, a blind rivet seat, a blade blind rivet, a blade seat, a blade, a pull rod piston, a tensioning spring, a rotary oil cylinder, a piston stop block, an oil cylinder rear end cover, a closed screw plug and a device main body. The device is used for clamping a machine-clamped blade with a positioning hole on a numerical control indexing shaft, and can realize complete processing of the periphery of the blade.)

1. The blind rivet tensioning device with the hole blade comprises a numerical control indexing shaft (1), a jaw pull rod (2), a tetrad blind rivet jaw (3), a blind rivet seat (4), a blade blind rivet (5), a blade seat (6), a blade (7), a pull rod piston (8), a tensioning spring (9), a rotary oil cylinder (10), a piston stop block (11), an oil cylinder rear end cover (12), a closed screw plug (13) and a device main body (14), and is characterized in that the numerical control indexing shaft (1) is installed inside the device main body (14), the oil cylinder is arranged inside the numerical control indexing shaft (1), the jaw pull rod (2) is arranged inside the oil cylinder, one end of the tetrad blind rivet jaw (3) is movably sleeved outside one end of the jaw pull rod (2), one end of the blade blind rivet (5) penetrates through the tetrad blind rivet (3) and is clamped with the end part of the tetrad blind rivet jaw (3), blade blind rivet (5) are located the activity in the one end outside of tetrad blind rivet jack catch (5) is cup jointed blind rivet seat (4), blind rivet seat (4) extend to the outside of numerical control dividing shaft (1), blade seat (6) have been cup jointed to the front end outside that the front end of blade blind rivet (5) is located blind rivet seat (4), fixed mounting has blade (7) on blade seat (6), pull rod piston (8) have been cup jointed in the outside activity of the rear end of jack catch pull rod (2), taut spring (9) have been cup jointed in pull rod piston (8) and jack catch pull rod (2) cup joint the outside of part.

2. The pop fastener tensioning device with a hole blade as claimed in claim 1, wherein: the blade seat (6) adjusts the axial position of the blade (7) on the blade blind rivet (5).

3. The pop fastener tensioning device with a hole blade as claimed in claim 1, wherein: the device main body (14) is positioned outside the numerical control indexing shaft (1) and is provided with a rotary oil cylinder (10).

4. The pop fastener tensioning device with a hole blade as claimed in claim 1, wherein: and the rear end of the numerical control indexing shaft (1) is fixedly provided with an oil cylinder rear end cover (12).

5. The pop fastener tensioning device with a hole blade as claimed in claim 1, wherein: and a closed screw plug (13) communicated into the oil cylinder is arranged on the oil cylinder rear end cover (12).

6. The pop fastener tensioning device with a hole blade as claimed in claim 1, wherein: and a piston stop block (11) is arranged at the rear end of the pull rod piston (8) in the oil cylinder.

Technical Field

The invention relates to the technical field of clamping equipment, in particular to a blind rivet tensioning device with a blade with a hole.

Background

For the clamping of a machine clamp blade with a positioning hole on a numerical control indexing shaft, 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.

Accordingly, it is desirable to design a pop-rivet tensioning device with a perforated blade to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a blind rivet tensioning device for a blade with a hole, which is used for clamping a machine clamping blade with a positioning hole on a numerical control indexing shaft and can realize the complete processing of the periphery of the blade.

In order to achieve the purpose, the invention is realized by the following technical scheme: the blind rivet tensioning device with the hole blade comprises a numerical control indexing shaft, a jaw pull rod, a tetrad blind rivet jaw, a blind rivet seat, a blade blind rivet, a blade seat, a blade, a pull rod piston, a tensioning spring, a rotary oil cylinder, a piston stop block, an oil cylinder rear end cover, a closed screw plug and a device main body, wherein the numerical control indexing shaft is installed inside the device main body, the oil cylinder is arranged inside the numerical control indexing shaft, the jaw pull rod is arranged inside the oil cylinder, one end of the tetrad blind rivet jaw is movably sleeved outside one end of the jaw pull rod, one end of the blade blind rivet penetrates through the tetrad blind rivet jaw and is clamped with the end part of the tetrad blind rivet jaw, the blade blind rivet is positioned outside one end of the tetrad blind rivet jaw and is movably sleeved with the blind rivet seat, the blind rivet seat extends to the outside of the numerical control indexing shaft, the front end of the blade blind rivet is positioned outside the front end of the blind rivet seat and is sleeved with the blade seat, the blade seat is fixedly provided with a blade, the outer part of the rear end of the claw pull rod is movably sleeved with a pull rod piston, and the outer side of the sleeved part of the pull rod piston and the claw pull rod is sleeved with a tensioning spring.

Preferably, the blade seat adjusts the axial position of the blade on the blade rivet.

Preferably, the device body is provided with a rotary oil cylinder outside the numerical control indexing shaft.

Preferably, the rear end of the numerical control indexing shaft is fixedly provided with an oil cylinder rear end cover.

Preferably, the rear end cover of the oil cylinder is provided with a closed screw plug communicated into the oil cylinder.

Preferably, a piston stop block is arranged at the rear end of the pull rod piston in the oil cylinder.

The invention provides a blind rivet tensioning device with a blade with a hole. The method has the following beneficial effects:

1. the device is used for clamping the mechanically-clamped blade with the positioning hole on the numerical control indexing shaft, can realize the complete processing of the periphery of the blade, the device utilizes the blade positioning hole, the blade blind rivet and the blind rivet seat for positioning, and is easier to ensure the position precision of each side of the blade relative to the reference inscribed circle compared with the positioning by utilizing the outer contour of the blade, the complete processing of the periphery of the blade can be completed by one-time clamping, the positioning of the blade positioning hole, the blade blind rivet and the blind rivet seat is utilized to ensure that the inner circle of the blade is based on the radial run-out of the positioning hole, the blade blind rivet is tensioned by spring force, the tensioning is stable and reliable, the spring force is counteracted by adopting the pressurization of the hydraulic oil cylinder, the blade blind rivet is loosened, the high-pressure hydraulic oil is generated by adopting a gas-liquid booster, a complex hydraulic system is not needed, only ordinary compressed air is needed, the hydraulic oil cylinder and the piston are integrated in the numerical control indexing shaft, and the mounting space is compact.

Drawings

FIG. 1 is a schematic view of the structure of a blind rivet tensioning device for a blade with holes of the present invention.

In the figure: the numerical control automatic rivet device comprises a numerical control indexing shaft 1, a jaw pull rod 2, a tetrad rivet jaw 3, a rivet seat 4, a blade rivet 5, a blade seat 6, a blade 7, a pull rod piston 8, a tensioning spring 9, a rotary oil cylinder 10, a piston stop block 11, an oil cylinder rear end cover 12, a closed screw plug 13 and a device main body 14.

Detailed Description

The invention 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 blind rivet tensioning device for the blade with the hole comprises a numerical control indexing shaft 1, a jaw pull rod 2, a tetrad blind rivet jaw 3, a blind rivet seat 4, a blade blind rivet 5, a blade seat 6, a blade 7, a pull rod piston 8, a tensioning spring 9, a rotary oil cylinder 10, a piston stop block 11, an oil cylinder rear end cover 12, a closed screw plug 13 and a device main body 14, wherein the numerical control indexing shaft 1 is installed inside the device main body 14, the oil cylinder is arranged inside the numerical control indexing shaft 1, the jaw pull rod 2 is arranged inside the oil cylinder, one end of the tetrad blind rivet jaw 3 is movably sleeved outside one end of the jaw pull rod 2, one end of the blade blind rivet 5 penetrates through the tetrad blind rivet jaw 3 and is clamped with the end part of the tetrad blind rivet jaw 3, the blade blind rivet 5 is positioned outside one end of the tetrad blind rivet jaw 5 and is movably sleeved with the blind rivet seat 4, the numerical control indexing shaft is characterized in that the rivet seat 4 extends to the outside of the numerical control indexing shaft 1, the blade seat 6 is sleeved outside the front end of the blade rivet 5, which is located on the rivet seat 4, the blade 7 is fixedly installed on the blade seat 6, the pull rod piston 8 is movably sleeved outside the rear end of the jaw pull rod 2, and the pull spring 9 is sleeved outside the sleeved part of the pull rod piston 8 and the jaw pull rod 2.

With the solution of the invention described above, the blade seat 6 adjusts the axial position of the blade 7 on the blade blind rivet 5.

Through the scheme of the invention, the device main body 14 is arranged outside the numerical control indexing shaft 1 and is provided with the rotating oil cylinder 10 for driving the numerical control indexing shaft 1 to rotate so as to facilitate the rotary machining of the blade.

Through the scheme of the invention, the rear end of the numerical control indexing shaft 1 is fixedly provided with the oil cylinder rear end cover 12 for rear end sealing.

Through the scheme of the invention, the rear end cover 12 of the oil cylinder is provided with the closed screw plug 13 which is led into the oil cylinder, so that the claw pull rod 2 can be conveniently replaced by opening the closed screw plug.

According to the scheme of the invention, the piston stop block 11 is arranged at the rear end of the pull rod piston 8 in the oil cylinder to limit and stop the pull rod piston 8.

When in use, the rotary oil cylinder 10 drives the numerical control indexing shaft 1 to rotate and drive the blade 7 to rotate, so that the complete processing of the periphery of the blade can be realized in one-step clamping, the device utilizes a blade positioning hole, a blade blind rivet 5 and a blind rivet seat 4 for positioning, the conical surface of the end part of the blade blind rivet 5 is matched with the conical surface of the blade positioning hole, the outer diameter of the blade blind rivet 5 is matched with the inner hole of the blind rivet seat 4, the blind rivet seat 4 is arranged on a numerical control indexing shaft 1 through an HSK40 interface, the above can ensure the radial run-out of the inner circle of the blade based on the positioning hole, the blade is tensioned by spring force, the tensioning is stable and reliable, high-pressure hydraulic oil generated by a gas-liquid booster is injected into the oil cylinder, the pull rod piston 8 pushes the tensioning spring 9 and the jaw pull rod 2, the jaw pull rod 2 pushes the tetrad blind rivet jaw 3 to loosen the blade blind rivet 5, the blade can be clamped, a complex hydraulic system is not needed, and only ordinary compressed air is needed.

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 invention 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.