CN202963358U - Pneumatic control lower mould of automatic nail feeding riveting machine - Google Patents

Pneumatic control lower mould of automatic nail feeding riveting machine Download PDF

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Publication number
CN202963358U
CN202963358U CN 201220672532 CN201220672532U CN202963358U CN 202963358 U CN202963358 U CN 202963358U CN 201220672532 CN201220672532 CN 201220672532 CN 201220672532 U CN201220672532 U CN 201220672532U CN 202963358 U CN202963358 U CN 202963358U
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China
Prior art keywords
mould
workpiece
riveting
core rod
nail feeding
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Active
Application number
CN 201220672532
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Chinese (zh)
Inventor
孟令君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Rui Weite Machinery Co Ltd
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Wuhan Rui Weite Machinery Co Ltd
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Publication date
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Priority to CN 201220672532 priority Critical patent/CN202963358U/en
Application granted granted Critical
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Abstract

The utility model relates to a pneumatic control lower mould of an automatic nail feeding riveting machine. The pneumatic control lower mould of the automatic nail feeding riveting machine comprises a mould base, a mould core and a positioning screw. A cavity enabling the mould core to extend and contract vertically is formed in the mould base. A vent hole communicated with the cavity is formed in the mould base, and is located below the mould core. The mould core is in sealed fit with the inner wall of the cavity. According to the pneumatic lower mould, compressed air is utilized for replacing the effect of a spring, and the mould core is enabled to extend out and contract back through air feeding and air exhaust. The mould core can be contracted into the cavity before riveting, and the contact between the mould core and a workpiece is avoided. When a plurality of riveting points are arranged on the workpiece and a lower mould needs to be installed at each riveting point, the installation inconvenience for the workpiece is not prone to occur, mould cores are not prone to cause jacking force on the workpiece at the riveted riveting points, and the workpiece is not prone to deflection. When included angles exist between the center lines of two or more than two riveting holes formed in the workpiece in a multi-point riveting process, interference between the mould cores and the workpiece are not prone to occur, and the mould cores can be directly placed on clamps.

Description

The gas control counterdie of automatic nail feeding riveting machine
Technical field
The utility model relates to riveting equipment, refers to particularly a kind of gas control counterdie of automatic nail feeding riveting machine.
Background technology
The automatic nail feeding riveting machine is a kind ofly can automatically complete by mechanical device the automation riveting equipment that send rivet, conveying rivet, lays rivet and riveted joint, and its efficient is the several times of common riveting equipment.
The riveting molding key of automatic nail feeding riveting machine is the counterdie of sectional die.The effect of counterdie is: the riveted holes that core rod passes workpiece plays the effect of location, also plays simultaneously the effect that the guiding rivet enters riveted holes.Core rod moves down into after bottom dead center with upper film and is combined into a complete mould, makes rivet moulding in its die cavity, completes the riveted joint process.
Counterdie commonly used is spring at present, as shown in Figure 1, comprise the set screw 3 of die holder 1, core rod 2 and die holder 1 bottom, be provided with spring 4 in the die cavity 5 of die holder 1, one end of spring 4 props up the upper surface of set screw 3, and the other end of spring 4 is enclosed within the middle part of core rod 2.When riveting molding, as shown in Fig. 2 ~ 3, first workpiece 8 is placed on counterdie, to pressing down, core rod 2 imports rivet 9 in the riveted holes of workpiece 8 upper film 10 with rivet 9, rivet 9 moulding in the die cavity that core rod 2 and die holder 1 form.Take off workpiece 8, core rod 2 stretches out under the effect of spring 4.Because the core rod of spring counterdie extends before riveted joint, easily produce with workpiece in the process of stretching out and shrinking and collide.
In addition, when the multiple spot riveted joint is arranged on a workpiece, need to a counterdie be installed in each riveting point, the core rod of spring counterdie is easily installed workpiece and is produced inconvenience, and in the riveting point of having riveted, core rod has a jacking force to workpiece, makes workpiece produce skew.
Moreover, when multiple spot is riveted, when having angle between the center line that two or more riveted holes are arranged on workpiece, when using the spring counterdie, due to core rod and workpiece generation interference, and can't directly be placed on fixture, need the more complicated clamp structure of design to use.
Summary of the invention
The purpose of this utility model will overcome the existing deficiency of prior art exactly, and the gas control counterdie of the automatic nail feeding riveting machine of a kind of registration, high efficiency is provided.
For achieving the above object, the gas control counterdie of the automatic nail feeding riveting machine that the utility model is designed, comprise die holder, core rod and set screw, be provided with the die cavity that stretches up and down for core rod in described die holder, be provided with the passage that is connected with die cavity on described die holder, described passage is positioned at the below of core rod, and described core rod coordinates with the inner wall sealing of die cavity.
Preferably, described passage is arranged on the bottom of die holder side, and the top of described set screw is provided with positioning boss, and the upper surface of described positioning boss leaves gas passage higher than the upper wall surface of described passage between described positioning boss and passage.
Preferably, the outer ring of described core rod lower end and the inwall of die cavity are sealed and matched by sealing ring, and described set screw and die cavity contact-making surface also are provided with sealing ring.Like this, can increase the sealing at passage two ends.
Preferably, described set screw and die holder are bolted to connection.
The beneficial effects of the utility model are: the gas control counterdie utilizes compressed air to substitute the effect of spring, by air inlet and exhaust, core rod is stretched out and retract.Compare with the spring counterdie, the gas control counterdie has following advantage:
1, the stretching out and shrink and can control by ventilation and exhaust of core rod, core rod can be contracted in die cavity before riveted joint, avoids and workpiece produces collision;
2, when having the multiple spot riveted joint counterdie to be installed in each riveting point on a workpiece, flexible can the installation workpiece of gas control counterdie core rod produces inconvenience, and in the riveting point of having riveted, core rod can not produce jacking force to workpiece, and workpiece can not be offset;
3, rivet when having angle between the center line that two or more riveted holes are arranged on workpiece at multiple spot, the gas control counterdie is because core rod is flexible, and core rod can not produce with workpiece interferes, and can directly be placed on fixture.
Description of drawings
Fig. 1 is the cross-sectional view of existing automatic nail feeding riveting machine spring counterdie.
Fig. 2 imports rivet the structural representation of work status for existing automatic nail feeding riveting machine spring counterdie.
Fig. 3 is the structural representation of existing automatic nail feeding riveting machine spring counterdie riveting status.
Fig. 4 is the structural representation of the gas control counterdie air-suction state of the utility model automatic nail feeding riveting machine.
Fig. 5 is the structural representation of the gas control counterdie exhaust condition of the utility model automatic nail feeding riveting machine.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Existing automatic nail feeding riveting machine spring counterdie shown in Fig. 1 ~ 3 has been done detailed introduction in background technology, repeat no more in this.
The gas control counterdie of the automatic nail feeding riveting machine shown in Fig. 4 ~ 5 comprises die holder 1, core rod 2 and set screw 3, is provided with the die cavity 5 that stretches up and down for core rod 2 in die holder 1.Set screw 3 is fixedly connected with by bolt 8 with die holder 1.The bottom of die holder 1 side is provided with the passage 6 that is connected with die cavity 5, and passage 6 is positioned at the below of core rod 2.The top of set screw 3 is provided with positioning boss 3.1, and the upper surface of positioning boss 3.1 leaves gas passage higher than the upper wall surface of described passage 6 between positioning boss 3.1 and passage 6.The outer ring of core rod 2 lower ends and the inwall of die cavity 5 are sealed and matched by sealing ring 7, and set screw 3 also is provided with sealing ring 7 with die cavity 5 contact-making surfaces.
The course of work of the present utility model:
Stretching out and shrinking of core rod 2 can be controlled via passage 6 ventilations and exhaust.Before riveted joint, as shown in Figure 5, core rod 2 is contracted in die cavity 5 via passage 6 exhausts, workpiece 8 is placed in the top of the core rod 2 of counterdie; During riveted joint, as shown in Figure 4, core rod 2 stretches out via passage 6 ventilations, lays rivet 9 at the top of core rod 2, and to pressing down, core rod 2 imports rivet 9 in the riveted holes of workpiece 8 upper film 10 with rivet 9, and rivet 9 is in the interior moulding of die cavity 5.

Claims (4)

1. the gas control counterdie of an automatic nail feeding riveting machine, comprise die holder (1), core rod (2) and set screw (3), be provided with the die cavity (5) that stretches up and down for core rod (2) in described die holder (1), it is characterized in that: be provided with the passage (6) that is connected with die cavity (5) on described die holder (1), described passage (6) is positioned at the below of core rod (2), and described core rod (2) coordinates with the inner wall sealing of die cavity (5).
2. the gas control counterdie of automatic nail feeding riveting machine according to claim 1, it is characterized in that: described passage (6) is arranged on the bottom of die holder (1) side, the top of described set screw (3) is provided with positioning boss (3.1), the upper surface of described positioning boss (3.1) leaves gas passage higher than the upper wall surface of described passage (6) between described positioning boss (3.1) and passage (6).
3. the gas control counterdie of automatic nail feeding riveting machine according to claim 1 and 2, it is characterized in that: the outer ring of described core rod (2) lower end and the inwall of die cavity (5) are sealed and matched by sealing ring (7), and described set screw (3) also is provided with sealing ring (7) with die cavity (5) contact-making surface.
4. the gas control counterdie of automatic nail feeding riveting machine according to claim 1, it is characterized in that: described set screw (3) is fixedly connected with by bolt (8) with die holder (1).
CN 201220672532 2012-12-06 2012-12-06 Pneumatic control lower mould of automatic nail feeding riveting machine Active CN202963358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220672532 CN202963358U (en) 2012-12-06 2012-12-06 Pneumatic control lower mould of automatic nail feeding riveting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220672532 CN202963358U (en) 2012-12-06 2012-12-06 Pneumatic control lower mould of automatic nail feeding riveting machine

Publications (1)

Publication Number Publication Date
CN202963358U true CN202963358U (en) 2013-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220672532 Active CN202963358U (en) 2012-12-06 2012-12-06 Pneumatic control lower mould of automatic nail feeding riveting machine

Country Status (1)

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CN (1) CN202963358U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106382290A (en) * 2016-08-30 2017-02-08 昆山敏欣电子有限公司 Non-drive rivet and non-drive mold thereof
CN106734827A (en) * 2016-12-19 2017-05-31 中航成飞民用飞机有限责任公司 Upper riveting stake and automatic drill riveter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106382290A (en) * 2016-08-30 2017-02-08 昆山敏欣电子有限公司 Non-drive rivet and non-drive mold thereof
CN106734827A (en) * 2016-12-19 2017-05-31 中航成飞民用飞机有限责任公司 Upper riveting stake and automatic drill riveter
CN106734827B (en) * 2016-12-19 2019-05-07 中航成飞民用飞机有限责任公司 Upper riveting stake and automatic drill riveter

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