CN210412604U - Fixing clamp for turbine cover - Google Patents

Fixing clamp for turbine cover Download PDF

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Publication number
CN210412604U
CN210412604U CN201921096684.4U CN201921096684U CN210412604U CN 210412604 U CN210412604 U CN 210412604U CN 201921096684 U CN201921096684 U CN 201921096684U CN 210412604 U CN210412604 U CN 210412604U
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CN
China
Prior art keywords
jaw chuck
clamping
jaw
ring plate
chuck main
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Active
Application number
CN201921096684.4U
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Chinese (zh)
Inventor
赖明�
苏德荣
钟飞群
黄正文
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Liuzhou Gongda Machinery Co ltd
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Liuzhou Gongda Machinery Co ltd
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Priority to CN201921096684.4U priority Critical patent/CN210412604U/en
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Abstract

The utility model provides a fixing clamp for a turbine cover, which is arranged at the end part of a three-jaw chuck main body of a numerical control lathe and comprises three clamping jaws, wherein the three clamping jaws are arranged at the end part of the three-jaw chuck main body in a sliding way; a clamping ring plate is arranged at one end of each clamping jaw far away from the center of the three-jaw chuck body; the clamping ring plate is of a plate-shaped structure with an arc-shaped cross section, the circle center of the arc is the center of the three-jaw chuck main body, the radial direction of the arc is overlapped with the sliding direction of the clamping jaws, one end of the clamping ring plate, which is connected with the clamping jaws, is arranged at intervals with the end part of the three-jaw chuck main body, and the other end of the clamping ring plate deviates from the three-jaw chuck main body; each clamping jaw is also provided with a positioning block, the positioning blocks are arranged on the side faces or the adjacent side faces of the clamping jaws departing from the end face of the three-jaw chuck main body, the positioning blocks are arranged along the sliding direction of the clamping jaws, one end of each positioning block is connected with the clamping jaws, and the other end of each positioning block deviates from the end face of the three-jaw chuck main body. The utility model discloses can realize carrying out processing to the medial surface of turbine cover on the numerical control lathe.

Description

Fixing clamp for turbine cover
Technical Field
The utility model relates to a numerical control lathe chuck anchor clamps field, in particular to a mounting fixture for turbine cover.
Background
The three-jaw chuck of the existing numerical control lathe clamps and fixes a workpiece by utilizing the front end or the rear end of a jaw, wherein when the front end of the jaw is utilized for clamping and fixing, the workpiece with the size of the non-processing end of the workpiece not larger than the size of a clamping groove on the chuck is generally processed stably, the workpiece with the size of the non-processing end of the workpiece larger than the size of the clamping groove can be fixed, but the positioning effect is not ideal, the space size formed by the front end when the size of the non-processing end of the workpiece is larger than the movement limit of the jaw is large, the jaw can not clamp and fix the workpiece, for example, a shell-shaped turbine cover, when the inner side surface of the turbine cover is processed, the outer side surface of the turbine cover needs to be clamped, the existing three-jaw chuck can not clamp and fix the workpiece, in addition, even if the fixation is carried out, the three-jaw chuck of the existing numerical control lathe is not convenient for workers to process the inner side surface of a thin-wall part (such as a turbine cover) because the three-jaw chuck is easy to deform during processing.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a fixing clamp for a turbine cover to process the inner side surface of the turbine cover on a numerically controlled lathe, so as to reduce deformation during processing.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a fixing clamp for a turbine cover is mounted at the end of a three-jaw chuck body of a numerical control lathe and comprises three jaws, wherein the three jaws are slidably mounted at the end of the three-jaw chuck body; a clamping ring plate is arranged at one end of each clamping jaw far away from the center of the three-jaw chuck body, and the three-jaw frame is arranged on the inner side of the clamping ring plate by the clamping ring plate on the three-jaw chuck; the clamping ring plate is of a plate-shaped structure with an arc-shaped cross section, the circle center of the arc is the center of the three-jaw chuck main body, the radial direction of the arc is overlapped with the sliding direction of the clamping jaws, one end of the clamping ring plate, which is connected with the clamping jaws, is arranged at intervals with the end part of the three-jaw chuck main body, and the other end of the clamping ring plate deviates from the three-jaw chuck main body;
still install the locating piece on each jack catch, the locating piece is installed on the side or the adjacent side that the jack catch deviates from three-jaw chuck main part terminal surface, and this side with the medial surface of snap ring board is adjacent, the locating piece sets up along the slip direction of jack catch, and its one end is connected the jack catch, the other end deviate from the terminal surface of three-jaw chuck main part, the distance of this other end tip to three-jaw chuck main part terminal surface is greater than the distance that the side that the jack catch deviates from three-jaw chuck main part to three-jaw chuck main part terminal surface, nevertheless is less than the distance of snap ring board other end terminal surface to three-jaw chuck main part terminal.
Further, the jaws are connected to the middle of the collar plate.
Furthermore, reinforcing rods are arranged on two opposite sides of the clamping jaw, the two opposite sides are sides where two ends of the clamping ring plate are located in the arc length direction, and two ends of each reinforcing rod are connected with the clamping jaw and the clamping ring plate respectively.
Further, the reinforcing rod is arranged at intervals with the end face of the three-jaw chuck main body, and the distance from the side face of the reinforcing rod, which deviates from the three-jaw chuck main body, to the end face of the three-jaw chuck main body is smaller than the distance from the end part of the other end of the positioning block to the end face of the three-jaw chuck main body.
Furthermore, the inner side surfaces of the snap ring plates of the three jaws are on the same cylindrical surface.
Furthermore, the structural shapes and the sizes of the three claws are the same; the three snap ring plates are all the same in structural shape and size.
Furthermore, the end faces of the three positioning blocks, which are far away from the three-jaw chuck body, are positioned on the same vertical plane.
Further, the locating piece is located between the jack catch both ends.
Furthermore, at least two fixing clamping plates are arranged on the inner side surface of the clamping ring plate at intervals, the cross section of each fixing clamping plate is arc-shaped, and the fixing clamping plates are arranged at one ends, far away from the three-jaw chuck main body, of the clamping ring plate and protrude out of the end surface of the end.
Further, the distance from the end part of the other end of the positioning block to the side face, back to the three-jaw chuck main body, of the clamping ring plate is smaller than the thickness of the turbine cover.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a mounting fixture is used for centre gripping turbine cover to realize turbine cover's fixed and location, the cutter that conveniently follow-up on utilizing numerical control lathe carries out processing to turbine cover medial surface, wherein, the utility model discloses a mounting fixture carries out the improvement on current three-jaw chuck, specifically installs the snap ring board on the jack catch and carries out the centre gripping fixedly to turbine cover's lateral surface, comes to fix a position turbine cover through being located snap ring inboard and installing the locating piece on the jack catch, so that the workman carries out accurate processing, simultaneously, can effectively reduce the deformation in the processing, thereby improve turbine cover processing's rate of accuracy and yield.
Drawings
Fig. 1 is a front view of a fixing jig for a turbine shroud according to the present invention.
Fig. 2 is a side view of the portion of the left-hand snap ring plate of fig. 1.
Description of the main elements
In the figure: jack catch 1, snap ring board 2, locating piece 3, stiffener 4, fixed cardboard 5, chuck main part 6.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
Referring to fig. 1 and 2, in a preferred embodiment of the present invention, a fixing clamp for a turbine cover is installed at an end of a three-jaw chuck body 6 of a numerically controlled lathe, and the fixing clamp includes three jaws 1, wherein the three jaws 1 are slidably installed at the end of the three-jaw chuck body 6; preferably, the three-jaw 1 has the same structural shape and size. A clamping ring plate 2 is arranged at one end of each clamping jaw 1 far away from the center of the three-jaw chuck body 6, and the clamping ring plate 2 on the three-clamping jaw 1 frames the three-clamping jaw 1 on the inner side of the clamping ring plate 2; the clamping ring plate 2 is of a plate-shaped structure with an arc-shaped cross section, the circle center of an arc is the center of the three-jaw chuck main body 6, the arc is radially overlapped with the sliding direction of the clamping jaws 1, one end of the clamping ring plate 2 connected with the clamping jaws 1 is arranged at intervals with the end part of the three-jaw chuck main body 6, and the other end deviates from the three-jaw chuck main body 6; each jack catch 1 is last still to install locating piece 3, locating piece 3 is installed on the side or the adjacent side that jack catch 1 deviates from three-jaw chuck main part 6 terminal surface, and this side with the medial surface of snap ring board 2 is adjacent, locating piece 3 sets up along the slip direction of jack catch 1, and its one end is connected jack catch 1, the other end deviates from three-jaw chuck main part 6's terminal surface, this other end tip to the distance of 6 terminal surfaces of three-jaw chuck main part are greater than jack catch 1 and deviate from the side to the distance of 6 terminal surfaces of three-jaw chuck main part 6, but are less than the distance of 2 other end terminal surfaces of snap ring board to 6 terminal surfaces of three-jaw chuck main part.
The clamping ring plate 2 is arranged on the clamping jaw 1 to clamp the turbine cover, particularly, the inner side surface (one side facing the center of the three-jaw chuck main body 6) of the clamping ring plate 2 is abutted against the outer side surface of the turbine cover, preferably, the inner side surface of the clamping ring plate 2 of the three-jaw chuck 1 is on the same cylindrical surface, so that the clamping ring plate 2 can better clamp the turbine cover; set up the location that the turbine cover was realized to locating piece 3 on claw 1 to prevent that the turbine cover from shifting and influencing the processing effect, it is preferred, 3 other end tip of locating piece to the distance that snap ring board 2 deviates from the side of three-jaw chuck main part 6 is less than the thickness of turbine cover, so that the turbine cover stretches out outside snap ring board 2.
Further, in the present embodiment, the clamping jaws 1 are connected to the middle of the snap ring plate 2, so that the snap ring plate 2 can better clamp the turbine shroud; reinforcing rods 4 are arranged on two opposite sides of the clamping jaw 1, the two opposite sides are sides where two ends of the clamping ring plate 2 in the arc length direction are located, two ends of each reinforcing rod 4 are respectively connected with the clamping jaw 1 and the clamping ring plate 2, and the left and right fixing of the clamping plate is strengthened through the arrangement of the reinforcing rods 4; stiffener 4 sets up with the terminal surface interval of three-jaw chuck main part 6, just the distance that stiffener 4 deviates from the side of three-jaw chuck main part 6 to the 6 terminal surfaces of three-jaw chuck main part is less than the distance of 3 other end tip of locating pieces to 6 terminal surfaces of three-jaw chuck main part, avoids setting up of stiffener 4 to interfere the positioning action of locating piece 3.
Further, the three clamping claws 1 are identical in structural shape and size; the structural shapes and the sizes of the three snap ring plates 2 are the same; the end faces of the three positioning blocks 3, which are far away from the three-jaw chuck body 6, are positioned on the same vertical plane; the positioning block 3 is positioned between the two ends of the clamping jaw 1.
Furthermore, at least two fixing clamping plates 5 are arranged on the inner side surface of the clamping ring plate 2 at intervals, the cross section of each fixing clamping plate 5 is arc-shaped, and the fixing clamping plates are arranged at one end, far away from the three-jaw chuck main body 6, of the clamping ring plate 2 and protrude out of the end surface of the end.
The utility model discloses before using, the distance at 2 medial surfaces of snap ring board to three-jaw chuck main part 6 centers is greater than the radius of turbine cover, during the use, with turbine cover holding on the space that three-jaw chuck board 2 formed to make the turbine cover be close to the one end terminal surface butt locating piece 3 of 6 terminal surfaces of three-jaw chuck main part, then make three jack catchs 1 towards the direction motion at 6 centers of three-jaw chuck main part, until the equal butt turbine cover lateral surface of medial surface of three-jaw chuck board 2, can accomplish the fixed of turbine cover and fix a position.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (10)

1. A fixing clamp for a turbine cover is mounted at the end of a three-jaw chuck body of a numerical control lathe and comprises three jaws, wherein the three jaws are slidably mounted at the end of the three-jaw chuck body; the method is characterized in that: a clamping ring plate is arranged at one end of each clamping jaw far away from the center of the three-jaw chuck body, and the three-jaw frame is arranged on the inner side of the clamping ring plate by the clamping ring plate on the three-jaw chuck; the clamping ring plate is of a plate-shaped structure with an arc-shaped cross section, the circle center of the arc is the center of the three-jaw chuck main body, the radial direction of the arc is overlapped with the sliding direction of the clamping jaws, one end of the clamping ring plate, which is connected with the clamping jaws, is arranged at intervals with the end part of the three-jaw chuck main body, and the other end of the clamping ring plate deviates from the three-jaw chuck main body;
still install the locating piece on each jack catch, the locating piece is installed on the side or the adjacent side that the jack catch deviates from three-jaw chuck main part terminal surface, and this side with the medial surface of snap ring board is adjacent, the locating piece sets up along the slip direction of jack catch, and its one end is connected the jack catch, the other end deviate from the terminal surface of three-jaw chuck main part, the distance of this other end tip to three-jaw chuck main part terminal surface is greater than the distance that the side that the jack catch deviates from three-jaw chuck main part to three-jaw chuck main part terminal surface, nevertheless is less than the distance of snap ring board other end terminal surface to three-jaw chuck main part terminal.
2. The fixing jig for a turbine shroud as claimed in claim 1, wherein: the clamping jaws are connected with the middle part of the clamping ring plate.
3. The fixing jig for a turbine shroud as claimed in claim 2, wherein: reinforcing rods are arranged on two opposite sides of the clamping jaw, the two opposite sides are sides where two ends of the clamping ring plate are located in the arc length direction, and two ends of each reinforcing rod are connected with the clamping jaw and the clamping ring plate respectively.
4. A mounting fixture for a turbine shroud as claimed in claim 3, wherein: the reinforcing rod is arranged at an interval with the end face of the three-jaw chuck body, and the distance from the side face of the reinforcing rod departing from the three-jaw chuck body to the end face of the three-jaw chuck body is smaller than the distance from the end part of the other end of the positioning block to the end face of the three-jaw chuck body.
5. The fixing jig for a turbine shroud as claimed in claim 1, wherein: the inner side surfaces of the snap ring plates of the three clamping jaws are on the same cylindrical surface.
6. The fixing jig for a turbine shroud as claimed in claim 1, wherein: the structural shapes and the sizes of the three clamping jaws are the same; the three snap ring plates are all the same in structural shape and size.
7. The fixing jig for a turbine shroud as claimed in claim 1, wherein: the end faces of the three positioning blocks, which are far away from the three-jaw chuck main body, are positioned on the same vertical plane.
8. The fixing jig for a turbine shroud as claimed in claim 1, wherein: the positioning block is positioned between the two ends of the clamping jaw.
9. The fixing jig for a turbine shroud as claimed in claim 1, wherein: at least two fixing clamping plates are arranged on the inner side face of the clamping ring plate at intervals, the cross section of each fixing clamping plate is arc-shaped and is arranged at one end, far away from the three-jaw chuck main body, of the clamping ring plate and protrudes out of the end face of the end.
10. The fixing jig for a turbine shroud as claimed in claim 1, wherein: and the distance from the end part of the other end of the positioning block to the side surface of the clamping ring plate, which is back to the three-jaw chuck main body, is less than the thickness of the turbine cover.
CN201921096684.4U 2019-07-12 2019-07-12 Fixing clamp for turbine cover Active CN210412604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921096684.4U CN210412604U (en) 2019-07-12 2019-07-12 Fixing clamp for turbine cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921096684.4U CN210412604U (en) 2019-07-12 2019-07-12 Fixing clamp for turbine cover

Publications (1)

Publication Number Publication Date
CN210412604U true CN210412604U (en) 2020-04-28

Family

ID=70380658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921096684.4U Active CN210412604U (en) 2019-07-12 2019-07-12 Fixing clamp for turbine cover

Country Status (1)

Country Link
CN (1) CN210412604U (en)

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