CN211804460U - Two-way four-jaw chuck clamping mechanism - Google Patents

Two-way four-jaw chuck clamping mechanism Download PDF

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Publication number
CN211804460U
CN211804460U CN201922292538.5U CN201922292538U CN211804460U CN 211804460 U CN211804460 U CN 211804460U CN 201922292538 U CN201922292538 U CN 201922292538U CN 211804460 U CN211804460 U CN 211804460U
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China
Prior art keywords
connecting rod
sliding plate
slide
hinged
rotating
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CN201922292538.5U
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Chinese (zh)
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韩波
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Jiangsu Xunlai Laser Technology Co Ltd
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Jiangsu Xunlai Laser Technology Co Ltd
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Abstract

The utility model discloses a two-way four-jaw chuck clamping mechanism, it includes the rotary disk of a cavity trompil, fix the linear slide rail of four rectangular distributions on the rotary disk, erect first slide and second slide on one of them pair of linear slide rail through the slider, erect third slide and fourth slide on another pair of linear slide rail and be located first slide or second slide below through the slider, fix the centre gripping roller sleeve on each above-mentioned slide, the tip of first slide and the corresponding tip of second slide, the tip of third slide and the corresponding tip of fourth slide are equallyd divide and are articulated through the both ends of a connecting rod and a swinging boom respectively, the swinging boom passes through the rotatable setting of a pivot on the rotary disk, thereby the swinging boom realizes through a drive unit that the slide that the drive corresponds carries out relative opening and the centre gripping action. The utility model has the advantages that the whole structure is simple, and the space occupies for a short time, can fix the clamp fast and press from both sides tight product, fix a position accurately, and do not harm the work piece.

Description

Two-way four-jaw chuck clamping mechanism
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the tubular product centre gripping, especially, relate to a two-way four-jaw chuck clamping mechanism.
[ background of the invention ]
The existing chucks are classified into hydraulic chucks, pneumatic chucks, common chucks and electric chucks, but the hydraulic chucks need hydraulic stations, have poor sealing performance, need to replace hydraulic oil regularly, and have high maintenance cost; the pneumatic chuck needs an air compressor, so that air leakage is easy to occur, air pressure is unstable, and a pipe is easy to clamp; the common chuck has unstable clamping force, poor controllability and higher requirements on operators, and the processed parts have low efficiency; the electric chuck has the advantages of high efficiency, wide application range, large chuck adjusting range, no need of air pressure and hydraulic power source, and greatly improved production efficiency.
In the prior art, patent No. CN201420010902.9 discloses an electric chuck for a laser pipe cutting machine, wherein four clamping assemblies are symmetrically arranged on a rotating disk, four groups of servos are provided to realize radial movement of the clamping assemblies, driving members are excessive, manufacturing cost is increased, and synchronous clamping accuracy is low; the prior patent No. 201711361293.6 discloses a synchronous supporting mechanism for laser pipe cutting, which uses a driving member to realize synchronous clamping action of four clamping assemblies through a rotating cam, and although synchronous clamping and automatic adjustment are realized, the overall structure is too bulky in the axial direction, the structure is complex, and the space layout is not facilitated.
Therefore, it is desirable to provide a new two-way four-jaw chuck clamping mechanism to solve the above problems.
[ Utility model ] content
The utility model discloses a main aim at provides a two-way four-jaw chuck clamping mechanism, overall structure is simple, and the space occupies for a short time, can fix fast and press from both sides tight product, fix a position accurately, and do not harm the work piece.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a bidirectional four-jaw chuck clamping mechanism comprises a hollow rotary disk with an opening, four rectangular linear sliding rails fixed on the rotary disk, a first sliding plate and a second sliding plate which are erected on one pair of the linear sliding rails through sliding blocks, a third sliding plate and a fourth sliding plate which are erected on the other pair of the linear sliding rails through sliding blocks and are positioned below the first sliding plate or the second sliding plate, and clamping rolling sleeves fixed on the sliding plates, the end part of the first sliding plate and the corresponding end part of the second sliding plate, the end part of the third sliding plate and the corresponding end part of the fourth sliding plate are respectively hinged with two ends of a rotating arm through a connecting rod, the rotating arm is rotatably arranged on the rotating disc through a rotating shaft, and the rotating arm rotates through a driving unit so as to drive the corresponding sliding plate to perform relative opening and clamping actions.
Furthermore, the four clamping rollers form a rectangular clamping area, and the two pairs of clamping edges are axially distributed in a layered mode, so that the clamping area can be reduced to zero.
Furthermore, the same end of the first sliding plate and the second sliding plate is respectively provided with a first connecting rod and a second connecting rod in a hinged manner, the other end of the first sliding plate and the other end of the second sliding plate are respectively provided with a third connecting rod and a fourth connecting rod in a hinged manner, and the other free ends of the first connecting rod and the second connecting rod are respectively hinged to two ends of the same rotating arm; the other free ends of the third connecting rod and the fourth connecting rod are respectively hinged at the two ends of the other rotating arm.
Furthermore, the same end of the third sliding plate and the fourth sliding plate is respectively provided with a first connecting rod and a second connecting rod in a hinged manner, the other end of the third sliding plate and the other end of the fourth sliding plate are respectively provided with a third connecting rod and a fourth connecting rod in a hinged manner, and the other free ends of the first connecting rod and the second connecting rod are respectively hinged to two ends of the same rotating arm; the other free ends of the third connecting rod and the fourth connecting rod are respectively hinged at the two ends of the other rotating arm.
Furthermore, a plurality of air cylinders which are in one-to-one correspondence with the rotating arms are arranged on the other surface of the rotating disk, one ends of the air cylinders are hinged to a mounting seat, the piston ends of the air cylinders are hinged to a pin shaft, a plurality of arc-shaped guide sliding grooves which take the axis of the rotating shaft as the center of a circle are formed in the surface of the rotating disk, and the pin shaft penetrates through the guide sliding grooves and is hinged to one corresponding end of the rotating arm.
Compared with the prior art, the utility model relates to a two-way four-jaw chuck clamping mechanism's beneficial effect lies in: the rotating arm is driven to rotate by the air cylinder, and the relative synchronous motion of the clamping components is realized by utilizing the lever acting force, so that the structure of the clamping and rotating device is greatly simplified, the manufacturing cost is reduced, and the space occupation is reduced; the clamp can be used for fixing and clamping pipes with any size within the range of 0-260 mm; simple structure, small space occupation, high clamping speed, no damage to the surface of a workpiece and high synchronous clamping and positioning precision.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is another angle structure diagram of the embodiment of the present invention;
the figures in the drawings represent:
100 a two-way four-jaw chuck clamping mechanism;
1 rotating the disc; 2, a linear slide rail; 3 first slide, 31 first link, 32 third link; 4 second slide, 41 second link, 42 fourth link; 5 a third slide plate; 6 a fourth slide plate; 7 clamping the roller sleeve; 8, a rotating shaft; 9 rotating the arm; 10 air cylinders; 11 a mounting seat; 12, a pin shaft; 13 leading to the chute.
[ detailed description ] embodiments
Example (b):
referring to fig. 1-2, the present embodiment is a two-way four-jaw chuck clamping mechanism 100, which includes a hollow rotary disk 1 with an opening, four rectangular linear sliding rails 2 fixed on the rotary disk 1, a first sliding plate 3 and a second sliding plate 4 erected on one pair of linear sliding rails 2 through sliders, a third sliding plate 5 and a fourth sliding plate 6 erected on the other pair of linear sliding rails 2 through sliders and located below the first sliding plate 3 or the second sliding plate 4, and clamping roller sleeves 7 fixed on the sliding plates, wherein an end of the first sliding plate 3 and a corresponding end of the second sliding plate 4, an end of the third sliding plate 5 and a corresponding end of the fourth sliding plate 6 are hinged to two ends of a rotary arm through a connecting rod, the rotating arm is rotatably arranged on the rotating disk 1 through a rotating shaft, the rotating shaft is positioned on the corresponding sliding rail, the rotating arm rotates through a driving unit so as to drive the corresponding sliding plate to perform relative opening and clamping actions.
The four clamping rollers 7 form a rectangular clamping area, and the two pairs of clamping edges are distributed in an axial layered mode, so that the clamping area can be reduced to zero, and the clamping requirement in a wider range can be met.
In this embodiment, four linear slide rails 2 are all provided with a rotating shaft 8, and a rotating arm 9 which rotates horizontally is rotatably arranged on the rotating shaft 8.
The same end of the first sliding plate 3 and the second sliding plate 4 is respectively hinged with a first connecting rod 31 and a second connecting rod 41, the other end of the first sliding plate 3 and the second sliding plate 4 is respectively hinged with a third connecting rod 32 and a fourth connecting rod 42, and the other free ends of the first connecting rod 31 and the second connecting rod 41 are respectively hinged with two ends of the same rotating arm; the other free ends of the third connecting rod 32 and the fourth connecting rod 42 are respectively hinged at the two ends of the other rotating arm.
The other surface of the rotating disk 1 is provided with a plurality of cylinders 10 which are in one-to-one correspondence with the rotating arms 9, one end of each cylinder 10 is hinged on a mounting seat 11, the piston end of each cylinder is hinged with a pin shaft 12, the surface of the rotating disk 1 is provided with a plurality of arc-shaped guide sliding grooves 13 which take the axis of the rotating shaft 8 as the center of a circle, and the pin shafts 12 penetrate through the guide sliding grooves 13 and are hinged with one ends of the rotating arms. Through the extending and retracting drive of the piston rod of the air cylinder 10, under the guiding action of the path of the guide chute 13, the pin shaft 12 drives the rotating arm 9 to rotate around the rotating shaft 8, so that the first sliding plate 3 and the second sliding plate 4 are mutually drawn together or pushed away, and the synchronous clamping or opening action is realized.
Similarly, the two ends of the third sliding plate 5 and the fourth sliding plate 6 are also provided with a corresponding connecting rod, a rotating arm 9, a rotating shaft 8, a pin shaft 12, a guide chute 13 and a cylinder 10, so that the synchronous clamping and opening actions of the third sliding plate 5 and the fourth sliding plate 6 are realized.
In the bidirectional four-jaw chuck clamping mechanism 100 of this embodiment, the rotating disk 1 is sleeved on a rotating cylinder, and then an external gear or a synchronous pulley is connected to a rotating end of a motor to realize rotation driving.
According to the automatic adjustment electric chuck rotating device 100, the rotating arm is driven to rotate by the air cylinder, and the relative synchronous motion of the clamping components is realized by utilizing the lever acting force, so that the structure of the clamping rotating device is greatly simplified, the manufacturing cost is reduced, and the occupied space is reduced; the clamp can be used for fixing and clamping pipes with any size within the range of 0-260 mm; simple structure, small space occupation, high clamping speed, no damage to the surface of a workpiece and high synchronous clamping and positioning precision.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (5)

1. The utility model provides a two-way four-jaw chuck clamping mechanism which characterized in that: the clamping roller sleeves are fixed on the sliding plates, the end part of the first sliding plate and the corresponding end part of the second sliding plate, the end part of the third sliding plate and the corresponding end part of the fourth sliding plate are respectively hinged with the two ends of a rotating arm through a connecting rod, the rotating arm is rotatably arranged on the rotating disc through a rotating shaft, and the rotating arm is driven to rotate through a driving unit so as to drive the corresponding sliding plates to perform relative opening and clamping actions.
2. The bi-directional four-jaw chuck clamping mechanism of claim 1, further comprising: four the centre gripping roller forms a rectangle centre gripping region, and two pairs of centre gripping limit are axial layering distribution, can narrow the centre gripping region to zero.
3. The bi-directional four-jaw chuck clamping mechanism of claim 1, further comprising: the same end of the first sliding plate and the second sliding plate is respectively provided with a first connecting rod and a second connecting rod in a hinged mode, the other end of the first sliding plate and the other end of the second sliding plate are respectively provided with a third connecting rod and a fourth connecting rod in a hinged mode, and the other free ends of the first connecting rod and the second connecting rod are respectively hinged to two ends of the same rotating arm; the other free ends of the third connecting rod and the fourth connecting rod are respectively hinged at the two ends of the other rotating arm.
4. The bi-directional four-jaw chuck clamping mechanism of claim 1, further comprising: the same end of the third sliding plate and the fourth sliding plate is respectively provided with a first connecting rod and a second connecting rod in a hinged mode, the other end of the third sliding plate and the other end of the fourth sliding plate are respectively provided with a third connecting rod and a fourth connecting rod in a hinged mode, and the other free ends of the first connecting rod and the second connecting rod are respectively hinged to two ends of the same rotating arm; the other free ends of the third connecting rod and the fourth connecting rod are respectively hinged at the two ends of the other rotating arm.
5. The bi-directional four-jaw chuck clamping mechanism according to any one of claims 3 or 4, wherein: the other surface of the rotating disk is provided with a plurality of air cylinders which are in one-to-one correspondence with the rotating arms, one ends of the air cylinders are hinged on a mounting seat, the piston ends of the air cylinders are hinged with a pin shaft, the surface of the rotating disk is provided with a plurality of arc-shaped guide sliding grooves which take the axis of the rotating shaft as the circle center, and the pin shaft penetrates through the guide sliding grooves and is hinged with one ends of the corresponding rotating arms.
CN201922292538.5U 2019-12-19 2019-12-19 Two-way four-jaw chuck clamping mechanism Active CN211804460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922292538.5U CN211804460U (en) 2019-12-19 2019-12-19 Two-way four-jaw chuck clamping mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922292538.5U CN211804460U (en) 2019-12-19 2019-12-19 Two-way four-jaw chuck clamping mechanism

Publications (1)

Publication Number Publication Date
CN211804460U true CN211804460U (en) 2020-10-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112935598A (en) * 2021-02-05 2021-06-11 济南森峰科技有限公司 Four-claw two-by-two self-centering pneumatic chuck
CN113145983A (en) * 2021-05-14 2021-07-23 赤峰元泰铸件有限公司 Build-up welding machine tool for inner wall of pipe
CN113199162A (en) * 2021-03-26 2021-08-03 领曼机械科技(常州)有限公司 Chuck of laser pipe cutting machine and laser pipe cutting machine
CN113458628A (en) * 2021-09-02 2021-10-01 南通华恩医疗设备制造有限公司 Laser cutting machine is used in medical instrument production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112935598A (en) * 2021-02-05 2021-06-11 济南森峰科技有限公司 Four-claw two-by-two self-centering pneumatic chuck
CN113199162A (en) * 2021-03-26 2021-08-03 领曼机械科技(常州)有限公司 Chuck of laser pipe cutting machine and laser pipe cutting machine
CN113145983A (en) * 2021-05-14 2021-07-23 赤峰元泰铸件有限公司 Build-up welding machine tool for inner wall of pipe
CN113458628A (en) * 2021-09-02 2021-10-01 南通华恩医疗设备制造有限公司 Laser cutting machine is used in medical instrument production

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