CN113752106A

CN113752106A - Antitorque clamping device of flange processing

Info

Publication number: CN113752106A
Application number: CN202111021782.3A
Authority: CN
Inventors: 于学明
Original assignee: Anhui Zhongxing Fluid Equipment Co ltd
Current assignee: Anhui Zhongxing Fluid Equipment Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2021-12-07

Abstract

The invention belongs to the technical field of flange machining, and particularly discloses an anti-torsion clamping device for flange machining, which comprises a bottom plate, wherein both sides of the top end surface of the bottom plate are fixedly connected with side plates, the top ends of the side plates are fixedly connected with a top plate, the middle position of the top end surface of the top plate is fixedly connected with a transverse plate, the top end surface of the transverse plate is fixedly connected with a sliding rail, both sides of the top end of the sliding rail are symmetrically and movably connected with a sliding seat, and the top end of the sliding seat is fixedly connected with a clamping block; the center of the bottom end face of the bottom plate is fixedly connected with a fixed plate, the bottom end face of the fixed plate is fixedly connected with an air cylinder, the output end of the air cylinder penetrates through a through hole formed in the center of the top end face of the bottom plate, and two sides of two side faces of the transverse plate are movably connected with synchronous transmission assemblies. Through the synchronous transmission subassembly that sets up, solved that the centre gripping is fixed can't be synchronous simultaneously and fixed effect fine enough technical problem among the prior art, realized guaranteeing that the centre gripping can be synchronous simultaneously and improve the technological effect of fixed effect when fixed.

Description

Antitorque clamping device of flange processing

Technical Field

The invention relates to the technical field of flange machining, in particular to an anti-torsion clamping device for flange machining.

Background

Flanges are parts for interconnecting shafts and pipes, and are used for connecting pipe ends, and flanges are used for connecting equipment inlets and outlets, such as speed reducer flanges. The flange need polish to its surface smoothness in the course of working, rocks for avoiding the flange to appear when polishing, sets up centre gripping fixing device at flange machining-position and fixes the flange. The prior art has the following problems: the flange outer side face can not be synchronously clamped and fixed, and the fixing effect is not good enough. Accordingly, one skilled in the art has provided an anti-torque clamping device for flange machining that solves the problems set forth in the background above.

Disclosure of Invention

The embodiment of the application provides an antitorque clamping device of flange processing, has solved the fixed unable synchronous and fixed effect of centre gripping good technical problem inadequately simultaneously among the prior art, has realized guaranteeing the technical effect that can be synchronous and improve fixed effect simultaneously when the centre gripping is fixed.

The embodiment of the application provides an anti-torsion clamping device for flange machining, which comprises a bottom plate, wherein side plates are fixedly connected to two sides of the top end face of the bottom plate, a top plate is fixedly connected to the top ends of the side plates, a transverse plate is fixedly connected to the middle position of the top end face of the top plate, a sliding rail is fixedly connected to the top end face of the transverse plate, sliding seats are symmetrically and movably connected to two sides of the top end of the sliding rail, and clamping blocks are fixedly connected to the top ends of the sliding seats; the bottom surface central point of bottom plate puts fixedly connected with fixed plate, and fixed plate bottom surface fixedly connected with cylinder, the through-hole that bottom plate top face center was seted up is run through to the cylinder output, two be equipped with adjustable platform subassembly of placing between the clamp splice, the equal swing joint of both sides of diaphragm both sides face has synchronous drive assembly, and synchronous drive assembly's one end pass behind the notch that roof top face was seted up with cylinder output swing joint, synchronous drive assembly's the other end and slide swing joint. Through the synchronous transmission subassembly that sets up, solved that the centre gripping is fixed can't be synchronous simultaneously and fixed effect fine enough technical problem among the prior art, realized guaranteeing that the centre gripping can be synchronous simultaneously and improve the technological effect of fixed effect when fixed.

Further, the synchronous transmission subassembly includes the connecting plate, and the equal fixedly connected with spacer pin in both sides of connecting plate both sides face, two the equal fixedly connected with locating pin of both sides face of slide is adjacent swing joint has first linking arm and second linking arm between locating pin and the spacer pin, and first linking arm and second linking arm integrated into one piece, first linking arm runs through the rotation axis with second linking arm handing-over position, and inside rotation axis one end screw in diaphragm, the last movable slot that first linking arm side was seted up is gone into to the one end card of locating pin, the lower movable slot that second linking arm side was seted up is gone into to the one end card of spacer pin, and the contained angle between second linking arm and the first linking arm is the obtuse angle. During the use, start the cylinder, the output withdrawal of cylinder drives the connecting plate and moves down, and then drives the spacer pin and move down in the movable groove down, then, the second linking arm produces the skew, drives first linking arm then and follows the skew to drive two slides and be close to each other, and then drive two clamp splices and be close to the clamping flange lateral surface each other, and at first linking arm skew in-process, the locating pin also follows the removal in last movable groove.

Furthermore, the both sides of diaphragm both sides face all fixedly connected with stopper, and the stopper is located between rotation axis and the diaphragm, rotation axis one end runs through behind the stopper inside the screw in diaphragm. The setting of stopper can guarantee the accuracy of first linking arm and second linking arm position, avoids first linking arm and second linking arm skew to cause the error.

Further, adjustable platform subassembly of placing is including placing the platform, and the top face fixedly connected with center mounting of placing the platform, the equal fixedly connected with guide bar in bottom face four corners of placing the platform, and the guide bar bottom runs through the roof, the equal swing joint in both sides of roof both sides face has the positioning screw bolt, and inside and support fixed guide bar of positioning screw bolt screw in roof. During the use, overlap the centre bore of flange on central mounting, the height of placing the platform is adjusted to the length that the rethread guide bar runs through the roof until the flange is adjusted to between two clamp splices, then, through the position fixing of locating stud with the guide bar can.

Furthermore, the spring post has been cup jointed to the outside of guide bar, and the both ends of spring post respectively with place platform, roof fixed connection. After the flange is taken down, the positioning stud is unscrewed, and the spring column is jacked to a proper position.

Further, the center fixing piece comprises a plurality of stacked fixed disc bodies, the circle centers of the disc bodies are located on the same vertical line, and the horizontal plane diameters of the disc bodies are gradually increased from top to bottom. The central holes of flanges with different specifications can be clamped without using a disc body with different diameters. And further has higher applicability.

Furthermore, electromagnets are embedded in the center fixing piece and the placing table. After the central hole of the flange is sleeved on the central fixing piece, the electromagnet is electrified, and the electromagnet generates magnetism to further adsorb the fixed flange.

Furthermore, two the clamp groove has been seted up to the clamp splice opposite face, and presss from both sides inslot wall fixedly connected with rubber pad, the side of rubber pad is inlayed a plurality of plush copper. When the clamping block clamps the flange, the clamping groove is clamped on the outer side face of the flange, the rubber pad prevents the clamping block from being damaged, the raised head improves the friction force, and the anti-torsion effect of the clamping block is further improved.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. because the synchronous transmission component is adopted, when in use, the cylinder is started, the output end of the cylinder retracts to drive the connecting plate to move downwards, and further the limiting pin is driven to move downwards in the lower movable groove, then the second connecting arm generates deflection, and then the first connecting arm is driven to follow the deflection, so as to drive the two sliding seats to approach each other, thereby driving the two clamping blocks to mutually approach the outer side surface of the clamping flange, and the positioning pin moves along with the upper movable groove in the deviation process of the first connecting arm, after the processing is finished, the cylinder is started again, the output end of the cylinder extends out to drive the connecting plate to move upwards, thereby driving the two clamping blocks to be away from the outer side surface of the flange, effectively solving the technical problems that the clamping and the fixing can not be synchronous at the same time and the fixing effect is not good enough in the prior art, and then realized can be synchronous and improve fixed effect's technological effect simultaneously when guaranteeing the centre gripping fixed.

2. Because the adjustable platform subassembly of placing has been adopted, during the use, with the centre bore cover of flange on central mounting, the height of placing the platform is adjusted to the length that the rethread guide bar runs through the roof, adjust to between two clamp splices until the flange, then, through the positioning stud with the position fixing of guide bar can, finally, the electro-magnet circular telegram, the electro-magnet produces magnetism and further adsorbs the mounting flange, after the processing is accomplished, take off the flange, unscrew positioning stud, the spring post will place the platform jack-up to suitable position, be convenient for use the centre gripping next time, and improve the centre gripping effect of flange.

Drawings

FIG. 1 is a schematic view of the overall construction of a twist resistant clamp according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a synchronous drive assembly according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a limiting block in the embodiment of the present application;

FIG. 4 is a schematic structural diagram of an adjustable standing platform assembly according to an embodiment of the present disclosure;

fig. 5 is a combined view of an electromagnet and a placing table in the embodiment of the present application.

In the figure: 1. a base plate; 2. a side plate; 3. a top plate; 4. a transverse plate; 5. a slide rail; 6. a slide base; 7. a clamping block; 701. a clamping groove; 702. a rubber pad; 703. a raised head; 8. a notch; 9. a synchronous drive assembly; 901. a connecting plate; 902. a first connecting arm; 903. a second connecting arm; 904. a rotating shaft; 905. a lower movable groove; 906. a spacing pin; 907. an upper movable groove; 908. positioning pins; 909. a limiting block; 10. a through hole; 11. a fixing plate; 12. a cylinder; 13. an adjustable placing table assembly; 1301. a placing table; 1302. a central fixing member; 1303. a guide bar; 1304. positioning the stud; 1305. a spring post; 1306. an electromagnet.

Detailed Description

Through the synchronous transmission assembly 9 that sets up, solved that the centre gripping is fixed can't be synchronous simultaneously and fixed effect fine enough technical problem among the prior art, realized guaranteeing that the centre gripping can be synchronous simultaneously and improve the technological effect of fixed effect when fixed.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 5, in the embodiment of the present application, an anti-torsion clamping device for flange processing includes a bottom plate 1, side plates 2 are fixedly connected to both sides of a top end surface of the bottom plate 1, a top plate 3 is fixedly connected to top ends of the side plates 2, a transverse plate 4 is fixedly connected to a middle position of the top end surface of the top plate 3, a sliding rail 5 is fixedly connected to a top end surface of the transverse plate 4, sliding seats 6 are symmetrically and movably connected to both sides of the top end of the sliding rail 5, and clamping blocks 7 are fixedly connected to top ends of the sliding seats 6; the bottom face central point of bottom plate 1 puts fixedly connected with fixed plate 11, and fixed plate 11 bottom face fixedly connected with cylinder 12, the through-hole 10 that bottom plate 1 top end face center was seted up is run through to cylinder 12 output, be equipped with adjustable platform subassembly 13 of placing between two clamp splice 7, the equal swing joint in both sides of diaphragm 4 both sides face has synchronous drive subassembly 9, and the one end of synchronous drive subassembly 9 pass behind the notch 8 that roof 3 top end face was seted up with cylinder 12 output swing joint, synchronous drive subassembly 9's the other end and slide 6 swing joint. Through the synchronous transmission assembly 9 that sets up, solved that the centre gripping is fixed can't be synchronous simultaneously and fixed effect fine enough technical problem among the prior art, realized guaranteeing that the centre gripping can be synchronous simultaneously and improve the technological effect of fixed effect when fixed.

In fig. 2: the synchronous transmission assembly 9 includes a connection plate 901, two sides of the connection plate 901 are fixedly connected with a limit pin 906, two sides of two sliders 6 are fixedly connected with a positioning pin 908, a first connection arm 902 and a second connection arm 903 are movably connected between the adjacent positioning pin 908 and the limit pin 906, the first connection arm 902 and the second connection arm 903 are integrally formed, a rotation shaft 904 penetrates through the connection position of the first connection arm 902 and the second connection arm 903, one end of the rotation shaft 904 is screwed into the transverse plate 4, one end of the positioning pin 908 is clamped into an upper movable groove 907 formed in the side surface of the first connection arm 902, one end of the limit pin 906 is clamped into a lower movable groove 905 formed in the side surface of the second connection arm 903, and an included angle between the second connection arm 903 and the first connection arm 902 is an obtuse angle. During the use, start cylinder 12, the output of cylinder 12 retracts, drives connecting plate 901 and moves down, and then drives spacer pin 906 and moves down in activity groove 905 down, then, second linking arm 903 produces the skew, then drives first linking arm 902 and follows the skew to drive two slides 6 and be close to each other, and then drive two clamp splice 7 and be close to each other and press from both sides tight flange lateral surface, and in first linking arm 902 skew in-process, locating pin 908 also follows the removal in last activity groove 907.

In fig. 3: both sides of the two side surfaces of the transverse plate 4 are fixedly connected with a limit block 909, the limit block 909 is located between the rotating shaft 904 and the transverse plate 4, and one end of the rotating shaft 904 penetrates through the limit block 909 and then is screwed into the transverse plate 4. The setting of the limiting block 909 can ensure the accuracy of the positions of the first connecting arm 902 and the second connecting arm 903, and avoid the deviation of the first connecting arm 902 and the second connecting arm 903 from causing errors.

In fig. 4: the adjustable platform assembly 13 comprises a placing platform 1301, a top end face fixedly connected with a center fixing part 1302 of the placing platform 1301, guide rods 1303 fixedly connected to four corners of the bottom end face of the placing platform 1301, the bottom ends of the guide rods 1303 penetrate through the top plate 3, positioning studs 1304 movably connected to two sides of two side faces of the top plate 3 are screwed into the top plate 3, and the positioning studs 1304 abut against the fixed guide rods 1303. When the flange fixing device is used, a center hole of a flange is sleeved on the center fixing piece 1302, the height of the placing table 1301 is adjusted by adjusting the length of the guide rod 1303 penetrating through the top plate 3 until the flange is adjusted between the two clamping blocks 7, and then the position of the guide rod 1303 is fixed through the positioning stud 1304. Spring posts 1305 are sleeved outside the guide rods 1303, and two ends of the spring posts 1305 are fixedly connected with the placing table 1301 and the top plate 3 respectively. After the flange is removed, the positioning studs 1304 are loosened and the spring posts 1305 jack the standing board 1301 in place. The central fixing member 1302 includes a plurality of stacked and fixed disk bodies, centers of circles of the plurality of disk bodies are located on the same vertical line, and horizontal plane diameters of the plurality of disk bodies gradually increase from top to bottom. The central holes of flanges with different specifications can be clamped without using a disc body with different diameters. And further has higher applicability. The opposite surfaces of the two clamping blocks 7 are provided with clamping grooves 701, the inner walls of the clamping grooves 701 are fixedly connected with rubber pads 702, and the side surfaces of the rubber pads 702 are embedded with a plurality of raised heads 703. When the clamping block 7 clamps the flange, the clamping groove 701 is clamped on the outer side face of the flange, the rubber pad 702 prevents the clamping block 7 from being damaged, the raised head 703 improves the friction force, and the anti-torsion effect of the clamping block 7 is further improved.

In fig. 5: an electromagnet 1306 is embedded inside the central fixing piece 1302 and inside the placing table 1301. After the central hole of the flange is sleeved on the central fixing part 1302, the electromagnet 1306 is electrified, and the electromagnet 1306 generates magnetism to further attract the fixing flange.

The working principle is as follows: when the anti-torsion clamping device for flange machining is used, firstly, a center hole of a flange is sleeved on a center fixing piece 1302, then the height of a placing table 1301 is adjusted by adjusting the length of a guide rod 1303 penetrating through a top plate 3 until the flange is adjusted between two clamping blocks 7, and then the position of the guide rod 1303 is fixed through a positioning stud 1304. Then, electromagnet 1306 is energized, and electromagnet 1306 generates magnetism to further attract the fixing flange. Finally, the cylinder 12 is started, the output end of the cylinder 12 retracts to drive the connecting plate 901 to move downwards, further to drive the limit pin 906 to move downwards in the lower movable groove 905, and then the second connecting arm 903 deflects to drive the first connecting arm 902 to follow the deflection, so that the two sliding seats 6 are driven to be close to each other, and further the two clamping blocks 7 are driven to be close to the outer side face of the clamping flange.

Can process it after the flange is fixed and polish, after processing, at first, restart cylinder 12, the output of cylinder 12 stretches out, drives connecting plate 901 and shifts up, and then drives two clamp splice 7 and keep away from the flange lateral surface each other. The flange is then removed. Finally, the positioning studs 1304 are loosened and the spring posts 1305 jack the standing board 1301 in place.

Therefore, the present invention is not limited to the above embodiments, and any person skilled in the art can substitute or change the technical solutions and concepts of the present invention within the technical scope of the present disclosure.

Claims

1. The anti-torsion clamping device for flange machining is characterized by comprising a bottom plate (1), wherein side plates (2) are fixedly connected to two sides of the top end face of the bottom plate (1), a top plate (3) is fixedly connected to the top ends of the side plates (2), a transverse plate (4) is fixedly connected to the middle position of the top end face of the top plate (3), a sliding rail (5) is fixedly connected to the top end face of the transverse plate (4), sliding seats (6) are symmetrically and movably connected to two sides of the top end of the sliding rail (5), and clamping blocks (7) are fixedly connected to the top ends of the sliding seats (6);

the bottom face central point of bottom plate (1) puts fixedly connected with fixed plate (11), and fixed plate (11) bottom face fixedly connected with cylinder (12), through-hole (10) that bottom plate (1) top face center was seted up are run through to cylinder (12) output, two be equipped with adjustable between clamp splice (7) and place a subassembly (13), the equal swing joint in both sides of diaphragm (4) both sides face has synchronous drive subassembly (9), and the one end of synchronous drive subassembly (9) pass behind notch (8) that roof (3) top face was seted up with cylinder (12) output swing joint, the other end and slide (6) swing joint of synchronous drive subassembly (9).

2. The torsion-resistant clamping device for flange processing according to claim 1, wherein the synchronous transmission assembly (9) comprises a connecting plate (901), a limit pin (906) is fixedly connected to each of two side surfaces of the connecting plate (901), a positioning pin (908) is fixedly connected to each of two side surfaces of two sliding seats (6), a first connecting arm (902) and a second connecting arm (903) are movably connected between the adjacent positioning pin (908) and the limit pin (906), the first connecting arm (902) and the second connecting arm (903) are integrally formed, a rotating shaft (904) penetrates through a joint position of the first connecting arm (902) and the second connecting arm (903), one end of the rotating shaft (904) is screwed into the transverse plate (4), one end of the positioning pin (908) is clamped into an upper movable groove (907) formed in the side surface of the first connecting arm (902), and one end of the limit pin (906) is clamped into a lower movable groove (905) formed in the side surface of the second connecting arm (903) And the included angle between the second connecting arm (903) and the first connecting arm (902) is an obtuse angle.

3. The torsion-resistant clamping device for flange machining according to claim 2, wherein the lateral sides of the lateral plate (4) are fixedly connected with the limiting blocks (909), the limiting blocks (909) are located between the rotating shaft (904) and the lateral plate (4), and one end of the rotating shaft (904) penetrates through the limiting blocks (909) and then is screwed into the lateral plate (4).

4. The anti-torque clamping device for flange machining according to claim 1, wherein the adjustable placing table assembly (13) comprises a placing table (1301), a central fixing piece (1302) is fixedly connected to the top end face of the placing table (1301), guide rods (1303) are fixedly connected to four corners of the bottom end face of the placing table (1301), the bottom ends of the guide rods (1303) penetrate through a top plate (3), positioning studs (1304) are movably connected to two sides of two side faces of the top plate (3), and the positioning studs (1304) are screwed into the top plate (3) and abut against the fixed guide rods (1303).

5. The torsion-resistant clamping device for flange machining according to claim 4, wherein a spring column (1305) is sleeved outside the guide rod (1303), and two ends of the spring column (1305) are fixedly connected with the placing table (1301) and the top plate (3) respectively.

6. An anti-torque clamping device for flange machining according to claim 4, characterized in that the central fixing member (1302) comprises a plurality of disk bodies stacked and fixed, the centers of the plurality of disk bodies are located on the same vertical line, and the horizontal plane diameters of the plurality of disk bodies are gradually increased from top to bottom.

7. An anti-torque clamping device for flange machining according to claim 4, characterized in that an electromagnet (1306) is embedded inside the central fixing member (1302) and inside the placing table (1301).

8. The anti-torque clamping device for flange machining according to claim 1, characterized in that clamping grooves (701) are formed in opposite surfaces of the two clamping blocks (7), a rubber pad (702) is fixedly connected to the inner wall of each clamping groove (701), and a plurality of raised heads (703) are embedded in the side surface of the rubber pad (702).