CN215469773U

CN215469773U - Milling and clamping device for condensation support

Info

Publication number: CN215469773U
Application number: CN202121193436.9U
Authority: CN
Inventors: 曹新亮; 孙凯岩; 宋文超
Original assignee: Xinxiang Aviation Forging And Casting Co ltd
Current assignee: Xinxiang Aviation Forging And Casting Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-11
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a milling and clamping device for a condensation bracket, which relates to the field of processing of the condensation bracket, and comprises a chuck body, wherein three clamping jaws are connected on the chuck body, reinforcing blocks are fixedly connected on the three clamping jaws, and a sliding mechanism is arranged on the reinforcing blocks, the device is contacted with an inner ring of a ring frame of the condensation bracket in the moving process through the three arc-shaped clamping blocks, so that the three arc-shaped clamping blocks are abutted against the inner ring of the ring frame of the condensation bracket and are used for clamping and fixing the condensation bracket, a rotating screw rod is rotated in the forward direction to enable a nut, a connecting block and an arc-shaped clamping plate to move towards the arc-shaped supporting plate, and then two side surfaces of the ring frame of the condensation bracket are clamped and fixed through the arc-shaped supporting plate and the arc-shaped clamping plate, so that the stability of the device for clamping and fixing the condensation bracket is further improved, compared with the traditional three-jaw chuck, the device can be used for directly clamping the inner wall of a milling end of the condensation bracket, the problem that the thin rib is broken under stress when the other end of the thin rib is milled is avoided.

Description

Milling and clamping device for condensation support

Technical Field

The utility model belongs to the field of processing of condensation supports, and particularly relates to a milling and clamping device for a condensation support.

Background

The aviation condensation support is an irregular workpiece (as shown in fig. 5 and 6) formed by connecting a ring frame with two ends similar to discs through a plurality of thin ribs, cambered surfaces with different diameters are required to be milled on the ring frames at the two ends according to use requirements, a clamping device is required to be used for clamping and fixing the aviation condensation support during machining so as to facilitate subsequent machining operation, and a three-jaw chuck is conventionally selected for clamping and fixing the condensation support at present and then is milled.

Connect through many thin muscle between the condensation support both ends ring frame, its structure is compared conventional work piece and is had certain particularity, use three-jaw chuck centre gripping condensation support one end ring frame, mill man-hour to other end ring frame, because thin muscle is thinner, intensity is lower, mill the in-process and careless appear connecting the cracked phenomenon of thin muscle very easily a little at the rotation, lead to the fracture of condensation support to scrap, make condensation support yield lower, influence the production and processing of condensation support, thereby bring inconvenience for user's use.

Therefore, the defects of the existing three-jaw chuck are improved correspondingly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a milling and clamping device for a condensation bracket, aiming at the defects and problems that when a three-jaw chuck is used for clamping a ring frame at one end of the condensation bracket and milling a ring frame at the other end of the condensation bracket, the thin ribs are thin and low in strength, the phenomenon that the thin ribs are connected and broken is easily caused in the rotating and milling process, the condensation bracket is broken and scrapped, the yield of the condensation bracket is low, and the production and processing of the condensation bracket are influenced.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a condensation support mills clamping device, includes the chuck body, be connected with three jack catch on the chuck body, and equal fixedly connected with boss on the three jack catch, install slide mechanism on the boss, slide mechanism includes U template, slider and go-between, the slider is installed to the medial surface of U template, and the slider can carry out endwise slip along the spout that the boss was seted up, installs on the U template and has the go-between, and the go-between passes through screw and boss threaded connection, install fixture on the U template, fixture includes arc clamp splice, arc layer board, arc splint and thread group, install the arc layer board on the arc clamp splice, install the thread group on the arc clamp splice, thread group passes through connecting block and arc splint fixed connection, and the outer wall that the arc clamp splice can be followed to the arc splint carries out endwise slip.

As a preferable technical scheme of the utility model, a threaded hole is formed in the reinforcing block, and a screw is connected with the threaded hole in an internal thread manner.

As a preferred technical scheme of the utility model, the thread group comprises a rotary screw, a nut and a bearing, the bearing is arranged on the arc-shaped clamping block, the rotary screw is sleeved in the bearing, the nut is connected to the rotary screw in a threaded manner, and both sides of the nut are fixedly connected with connecting blocks.

As a preferable technical scheme of the utility model, rectangular grooves are formed in two sides of the arc-shaped clamping block, and two connecting blocks are respectively arranged in the two rectangular grooves in a sliding manner.

As a preferable technical scheme of the utility model, a notch is formed in the arc-shaped clamping plate and is matched with the outer wall of the arc-shaped clamping block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the positions of the three clamping jaws are adjusted through the chuck body, so that the three arc-shaped clamping blocks are mutually far away along with the movement of the three clamping jaws, the three arc-shaped clamping blocks are contacted with the ring frame inner ring of the condensation support in the moving process, the three arc-shaped clamping blocks are further abutted against the ring frame inner ring of the condensation support and used for clamping and fixing the condensation support, the nut, the connecting block and the arc-shaped clamping plate are moved towards the arc-shaped supporting plate by rotating the rotating screw rod in the forward direction, and then the two side faces of the ring frame of the condensation support are clamped and fixed through the arc-shaped supporting plate and the arc-shaped clamping plate, so that the stability of clamping and fixing the condensation support by the device is further improved.

2. According to the clamping device, the screw is separated from the threaded hole by reversely rotating the screw, so that the U-shaped plate is not fixed any more, the sliding mechanism and the clamping mechanism can be detached from the reinforcing block when the clamping device is not used, the clamping and fixing of the chuck body and the clamping jaws on other workpieces are prevented from being influenced when other types of workpieces are machined, the practicability and the applicability of the clamping device are improved, and the use requirements of users are met.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a second three-dimensional structure according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged front sectional view of the arc-shaped clamping block according to the present invention;

FIG. 5 is a schematic front perspective view of a condensing support according to the present invention;

FIG. 6 is a side perspective view of the condensing support according to the present invention.

In the figure: 1 chuck body, 21 jaws, 22 reinforcing blocks, 31U-shaped plates, 32 sliding grooves, 33 sliding blocks, 34 connecting rings, 35 screws, 41 arc-shaped supporting plates, 42 rectangular grooves, 43 arc-shaped clamping blocks, 44 arc-shaped clamping plates, 45 rotating screws, 46 nuts and 47 connecting blocks.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

Referring to fig. 1-6, the present invention provides a technical solution of a milling and clamping device for a condensing support:

the first embodiment is as follows:

according to the figures 1-6, the chuck comprises a chuck body 1, three jaws 21 are connected to the chuck body 1, reinforcing blocks 22 are fixedly connected to the three jaws 21, a sliding mechanism is installed on the reinforcing blocks 22, the positions of the three jaws 21 are adjusted through the chuck body 1, so that the three arc-shaped clamping blocks 43 are far away from each other along with the movement of the three jaws 21, the three arc-shaped clamping blocks 43 are contacted with an inner ring of a ring frame of a condensing support in the moving process, the three arc-shaped clamping blocks 43 are further abutted against the inner ring of the ring frame of the condensing support and clamp and fix the condensing support, the sliding mechanism comprises a U-shaped plate 31, two sliding blocks 33 and a connecting ring 34, the sliding blocks 33 are installed on the inner side surface of the U-shaped plate 31, the two sliding blocks 33 are respectively installed on two side surfaces of the inner wall of the U-shaped plate 31, the sliding blocks 33 can axially slide along sliding grooves 32 formed in the reinforcing blocks 22, the connecting ring 34 is installed on the U-shaped plate 31, the connecting ring 34 is in threaded connection with the reinforcing block 22 through the screw 35, a threaded hole is formed in the reinforcing block 22, the screw 35 is in threaded connection with the threaded hole, the screw 35 is separated from the threaded hole by reversely rotating the screw 35, then the U-shaped plate 31 is not fixed any more, and further the sliding mechanism and the clamping mechanism can be detached from the reinforcing block 22 when the device is not used, so that the clamping and fixing of the chuck body 1 and the clamping jaw 21 on other workpieces are avoided being influenced when other types of workpieces are processed, the practicability and the applicability of the device are improved, the use requirements of a user are met, the clamping mechanism is arranged on the U-shaped plate 31 and comprises an arc-shaped clamping block 43, an arc-shaped supporting plate 41, an arc-shaped clamping plate 44 and a thread group, the arc-shaped clamping block 43 is provided with the arc-shaped supporting plate 41, the thread group is fixedly connected with the arc-shaped clamping plate 44 through the connecting block 47, the thread group comprises a rotary screw 45, a nut 46 and a bearing, the bearing is installed on an arc-shaped clamping block 43, the rotary screw 45 is sleeved in the bearing, the nut 46 is in threaded connection with the rotary screw 45, connecting blocks 47 are fixedly connected to two sides of the nut 46, rectangular grooves 42 are formed in two sides of the arc-shaped clamping block 43, two connecting blocks 47 slide in the two rectangular grooves 42 respectively, the nut 46, the connecting blocks 47 and the arc-shaped clamping plate 44 move towards the arc-shaped supporting plate 41 by rotating the rotary screw 45 in the forward direction, and then the two side faces of the ring frame of the condensation support are clamped and fixed through the arc-shaped supporting plate 41 and the arc-shaped clamping plate 44, so that the stability of the device for clamping and fixing the condensation support is further improved, compared with a traditional three-jaw chuck, the device can directly clamp the inner wall of the milling end of the condensation support, and the problem that a thin rib is broken under stress when the other end is milled is avoided, the arc-shaped clamping plate 44 can axially slide along the outer wall of the arc-shaped clamping block 43, and a notch is formed in the arc-shaped clamping plate 44 and is matched with the outer wall of the arc-shaped clamping block 43.

When in specific use, the milling and clamping device for the condensation bracket of the utility model is used, when in need, the condensation bracket is firstly placed on the three arc-shaped clamping blocks 43, meanwhile, the end of the condensation bracket, which needs to be milled, is arranged between the arc-shaped clamping plate 44 and the arc-shaped supporting plate 41, then the positions of the three claws 21 are adjusted through the chuck body 1, and then the three arc-shaped clamping blocks 43 are mutually far away along with the movement of the three claws 21, the three arc-shaped clamping blocks 43 are contacted with the inner ring of the ring frame of the condensing bracket in the moving process, then the three arc-shaped clamping blocks 43 are tightly pressed against the inner ring of the ring frame of the condensing bracket and clamp and fix the condensing bracket, finally the rotating screw 45 is rotated in the positive direction to make the nut 46, the connecting block 47 and the arc-shaped clamping plate 44 move towards the arc-shaped supporting plate 41, and then the two side surfaces of the ring frame of the condensing bracket are clamped and fixed through the arc-shaped supporting plate 41 and the arc-shaped clamping plate 44, so that the stability of clamping and fixing the condensing bracket by the device is further improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and scope of the present invention are intended to be covered thereby.

Claims

1. The utility model provides a condensing support mills clamping device, includes the chuck body, be connected with three jack catch on the chuck body, and equal fixedly connected with boss, its characterized in that on the three jack catch: install slide mechanism on the boss, slide mechanism includes U template, slider and go-between, the slider is installed to the medial surface of U template, and the spout that the boss was seted up can be followed to the slider carries out endwise slip, installs on the U template to have the go-between, and the go-between passes through screw and boss threaded connection, install fixture on the U template, fixture includes arc clamp splice, arc layer board, arc splint and screw thread group, install the arc layer board on the arc clamp splice, install screw thread group on the arc clamp splice, screw thread group passes through connecting block and arc splint fixed connection, and arc splint can follow the outer wall of arc clamp splice and carry out endwise slip.

2. The condensing rack milling fixture of claim 1, wherein: threaded holes are formed in the reinforcing blocks, and screws are connected in the threaded holes in an internal thread mode.

3. The condensing rack milling fixture of claim 1, wherein: the thread group comprises a rotary screw, a nut and a bearing, the bearing is installed on the arc-shaped clamping block, the rotary screw is sleeved in the bearing, the nut is connected to the rotary screw in a threaded mode, and connecting blocks are fixedly connected to the two sides of the nut.

4. The condensing rack milling fixture of claim 1, wherein: rectangular channels are formed in the two sides of the arc-shaped clamping blocks, and two connecting blocks are arranged in the two rectangular channels in a sliding mode respectively.

5. The condensing rack milling fixture of claim 1, wherein: the arc-shaped clamping plate is internally provided with a notch, and the notch is matched with the outer wall of the arc-shaped clamping block.