CN210938155U

CN210938155U - Positioning and clamping device for large ring parts

Info

Publication number: CN210938155U
Application number: CN201922015025.XU
Authority: CN
Inventors: 张俊峰; 孙旭东; 杜璠; 王朗; 白安东
Original assignee: Sichuan Aerospace Changzheng Equipment Manufacturing Co Ltd
Current assignee: Sichuan Aerospace Changzheng Equipment Manufacturing Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-07
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a location clamping device of large-scale lopps part, including tray, slider, the tray up end sets up a plurality of slides, the slide extends to tray edge by the tray middle part, slider and slide sliding connection, the one end setting that the slider is close to the tray middle part is pressed from both sides the face with the arc of treating clamping ring shape part outer lane adaptation. The utility model provides a location clamping device of large-scale lopps part, it presss from both sides tightly in order to be applicable to not unidimensional annular part's the clamp of tight piece in the slide internal motion through the slider drive, further install the slider on the slide through the bolt, the bolt is unscrewed, thereby the slider can be followed the slide and slided the clamp of realizing the part tightly and relax, this device simple structure is reasonable, the cost of manufacture is low, be applicable to and press from both sides tightly not unidimensional lopps part in the certain limit, the commonality is strong, through the alignment and the regulation of removal slider in order to realize the part position, easy operation, the clamping precision is high.

Description

Positioning and clamping device for large ring parts

Technical Field

The utility model belongs to the technical field of machining, concretely relates to location clamping device of large-scale lopps part.

Background

In the field of machining, especially in the field of aerospace, large-scale annular thin-wall parts are often machined. The diameter of the part of the annular part can reach 3000mm-5000mm, and some can even reach 6000mm-7000 mm. The problem often faced in machining such large thin-walled parts is that the parts deform during machining, resulting in dimensional tolerances. The deformation of parts is caused by a plurality of reasons, but the product is not fixed by full constraint or extruded and deformed in the clamping process due to improper design of the tool, so that the most common reason for unqualified products is caused.

SUMMERY OF THE UTILITY MODEL

Based on above problem, an object of the utility model is to provide a location clamping device of large-scale lopps part, its clamping that is applicable to large-scale lopps part especially to large-scale thin wall lopps part, can realize the quick location clamping, effectively improves production efficiency.

In order to realize the above purpose, the utility model discloses a technical scheme be: the utility model provides a location clamping device of large-scale lopps part, includes tray, slider, the tray up end sets up a plurality of slides, the slide extends to tray edge by the tray middle part, slider and slide sliding connection, the one end setting that the slider is close to the tray middle part presss from both sides the face with the arc of treating clamping ring shape part outer lane adaptation presss from both sides.

The method for quickly clamping and positioning the ring parts comprises the following steps: the sliding block is slid to the edge of the slide way, the middle part of the tray is a clamping area, the annular part is placed in the clamping area with the opening facing downwards, the sliding block is moved inwards along the radial direction of the slide way to enable the clamping surface to tightly push the outside of the part, and then the sliding block is fixed to clamp the part.

Specifically, the bottom of the outer circle of the annular part to be clamped is provided with an annular flange edge, the clamping surface is an L-shaped clamping surface matched with the flange edge, and the annular part can be pressed by pressing the L-shaped clamping surface of the clamping surface on the flange.

More specifically, still include the tight piece of clamp that sets up in the slider near the one end in tray middle part, the tight face of clamp sets up on pressing from both sides tight piece, changes the tight piece of clamp of adaptation according to the size of annular part, increases the flexibility of device.

Specifically, the slider is close to the outside installation end that extends of one end both sides end wall in tray middle part, passes behind the installation end through the screw with press from both sides tight piece spiro union in order to press from both sides tight piece demountable installation on the slider.

Specifically, the cross section of the slide way is in an inverted T shape, the bolt sequentially penetrates through the slide way and the slide block and then is in threaded connection with the nut, the slide block is connected with the slide way, the nut is unscrewed, the slide block can slide in the slide way, the nut is screwed, and the slide block is fixed.

Optimized, two adjacent slide parallel arrangement are in order to constitute the slide group, set up on the slider with two through-holes of two parallel slide position adaptations, two bolts pass respectively in proper order behind two through-holes on two slides, the slider with the nut spiro union and be connected slider and slide, the slider is installed on the slide group that the double slide constitutes, its structure is more stable, the clamping is more firm.

This device still include the base, the tray is fixed in base upper portion, can be with the location clamping device monolithic stationary to the workstation of lathe or other equipment through the base on, in addition, because the volume and the weight of base are great, can play the effect that increases weight, can avoid the tray bulk movement.

The polishing device comprises a base, a tray body, a slide way, a polishing device, a grinding block tray, a polishing device, a polishing block, a polishing device and a polishing device, wherein the polishing block tray is arranged on the base, the polishing block tray is arranged on the bottom of the tray body, and the polishing block tray is arranged on the bottom of the tray body.

The utility model has the advantages that:

the utility model provides a location clamping device of large-scale lopps part, it presss from both sides tightly in order to be applicable to not unidimensional annular part's the clamp of tight piece in the slide internal motion through the slider drive, further install the slider on the slide through the bolt, the bolt is unscrewed, thereby the slider can be followed the slide and slided the clamp of realizing the part tightly and relax, this device simple structure is reasonable, the cost of manufacture is low, be applicable to and press from both sides tightly not unidimensional lopps part in the certain limit, the commonality is strong, through the alignment and the regulation of removal slider in order to realize the part position, easy operation, the clamping precision is high.

Drawings

FIG. 1 is a schematic view of a positioning and clamping device for a large ring part in an embodiment;

FIG. 2 is a schematic top view of a positioning clamp for a ring-like part according to an embodiment;

wherein, 1 is the tray, 2 is the slider, 3 is the clamp block, 4 is the slide, 5 is the base, 6 is the part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

As shown in fig. 1 and 2, the embodiment provides a positioning and clamping device for ring parts, which includes a base 5, a tray 1, a slider 2, and a clamping block 3, wherein the tray 1 is fixed on a ring-shaped disc on the upper portion of the base 5, the upper end surface of the tray 1 is provided with a plurality of slideways 4, the slideways 4 extend from the outer circle of the tray 1 to the inner circle of the tray 1, the cross sections of the slideways 4 are in an inverted T shape, two adjacent slideways 4 are arranged in parallel to form a slideway 4 group, the slider 2 is provided with two through holes adapted to the positions of the two parallel slideways 4, and two bolts respectively penetrate through the two slideways 4 and the two through holes on the slider 2 in sequence and; the slider 2 is close to the one end both sides end wall in tray 1 middle part and outwards extends and forms the installation end, passes through the installation end back through the screw with press from both sides tight 3 spiro union in order to press from both sides tight 3 demountable installation in slider 2 one end setting that slider 2 is close to tray 1 middle part and the arc that treats clamping ring shape part outer lane adaptation presss from both sides tight face, in this embodiment, treat that 6 excircle bottoms of clamping ring shape part have the hoop flange limit, press from both sides tight face and be the L clamp face with the flange limit adaptation.

The positioning and clamping device for the ring parts provided by the embodiment is used for quickly clamping and positioning the ring parts 6, and comprises the following steps:

step 1: according to the mounting position of the pre-selected sliding block 2 of the external diameter size of the ring part 6, the bolt sequentially penetrates through the sliding way 4 and the sliding block 2, the nut is screwed on the sliding block 2, and the sliding block 2 is not screwed tightly, so that a clamping area with the size larger than the external diameter of the part 6 is formed by enclosing.

Step 2: the clamping block 3 is installed on the sliding block 2, the part 6 is placed in a clamping area, the sliding block 2 is moved inwards in the radial direction along the sliding way 4, the clamping surface of the clamping block 3 presses the flange edge of the part 6 tightly, the nut on the bolt is screwed, and the sliding block 2 and the clamping block 3 are fixed.

And 3, rotating the screw to loosen the clamping block 3, finely adjusting the position of the part 6 to the standard, and screwing the screw to enable the clamping block 3 to clamp the part 6.

The locating and clamping device for the ring parts 6, which is provided by the embodiment, has a simple and reasonable structure, can be used for rapidly clamping and locating the revolving body parts with different diameters, and is simple to operate, high in clamping efficiency and high in clamping accuracy.

The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims

1. The utility model provides a location clamping device of large-scale lopps part, its characterized in that, includes tray, slider, the tray up end sets up a plurality of slides, the slide extends to tray edge by the tray middle part, slider and slide sliding connection, the one end that the slider is close to the tray middle part sets up and treats the arc clamping surface of clamping ring shape part outer lane adaptation.

2. The positioning and clamping device for the large-scale ring parts according to claim 1, wherein a circumferential flange edge is arranged at the bottom of the outer circle of the ring part to be clamped, and the clamping surface is an L-shaped clamping surface matched with the flange edge.

3. The positioning and clamping device for the large-scale ring-like part according to claim 2, further comprising a clamping block detachably disposed at one end of the sliding block close to the middle of the tray, wherein the clamping surface is disposed on the clamping block.

4. The positioning and clamping device for the large-scale ring parts according to claim 3, wherein the two side end walls of one end of the sliding block close to the middle part of the tray extend outwards to form a mounting end, and the clamping block is detachably mounted on the sliding block by screwing a screw through the mounting end and then screwing with the clamping block.

5. The positioning and clamping device for the large ring parts according to any one of claims 1 to 4, wherein the cross section of the slide way is in an inverted T shape, and the slide way is connected with the slide way by a bolt which sequentially penetrates through the slide way and the slide block and then is in threaded connection with a nut.

6. The positioning and clamping device for the large ring parts according to claim 5, wherein two adjacent slideways are arranged in parallel to form a slideway group, two through holes matched with the two parallel slideways are formed in the sliding block, and two bolts respectively penetrate through the two slideways and the two through holes in the sliding block in sequence and then are screwed with nuts to connect the sliding block with the slideways.

7. The positioning and clamping device for the large-scale ring parts according to claim 1, further comprising a base, wherein the tray is fixed on the upper portion of the base.

8. The positioning and clamping device for the large-scale ring parts according to claim 1, wherein the tray is an annular disc, and the slide way extends from the outer circle of the tray to the inner circle of the tray.