CN221658610U - Profile steel frame web cut hole positioning tool - Google Patents

Abstract

The utility model relates to the technical field of hole cutting positioning tools, in particular to a steel frame web hole cutting positioning tool which avoids the situation that the tool moves when cutting surfaces are separated, reduces the position offset during operation, improves the positioning accuracy and improves the hole cutting quality; the device comprises a first sleeve and two groups of cross arms, wherein the two groups of cross arms are respectively and slidably arranged at the left part and the right part of the first sleeve; still include adsorption equipment, strutting arrangement, fixing device, two sets of bracing pieces, linking arm and fixed cover, two sets of bracing piece tops respectively with two sets of xarm end connection, adsorption equipment installs in two sets of bracing piece bottoms, adsorption equipment is used for fixed two sets of bracing pieces, first sleeve middle part is provided with strutting arrangement, the linking arm is installed on strutting arrangement, strutting arrangement is used for driving the linking arm and removes the regulation, fixed cover is installed in linking arm lateral wall lower part, fixed being provided with fixing device on the cover, fixing device is used for fixing cutting instrument.

Description

A kind of positioning tool for cutting holes in the web of steel frame

Technical Field

The utility model relates to the technical field of hole cutting positioning tooling, in particular to a hole cutting positioning tooling for a steel frame web.

Background Art

In profiles, the welded side of flat steel, angle steel, bulb flat steel and plate is considered as web. Web is widely used in steel structure manufacturing, bridge engineering, shipbuilding, engineering machinery, equipment manufacturing, etc. When cutting circular holes on the web, in order to improve the cutting accuracy, it is usually necessary to use the hole cutting positioning tool.

As described in the utility model patent with the prior art authorization announcement number CN214815561U, the tooling includes a positioning shaft, a cutting arm, a movable arm and a cutting gun fixing port, wherein one end of the cutting arm is movably connected to one end of the movable arm; the other end of the cutting arm is provided with a positioning shaft; the other end of the movable arm is provided with a cutting gun fixing port.

However, during the use of the tool, it was found that since the cutting was carried out with the positioning axis as the center of the circle, when the cutting was completed, the cutting surface was separated from the belly plate, causing the positioning axis to fall along with the cutting surface, reducing the stability of the tool. In addition, the anti-slip effect between the positioning axis and the belly plate was poor, and displacement was prone to occur during use.

Utility Model Content

In order to solve the above technical problems, the utility model provides a steel frame web plate hole cutting positioning tool which avoids the movement of the tool when the cutting surface is separated, reduces the position offset during operation, improves the positioning accuracy, and improves the cutting quality.

The utility model discloses a steel frame web plate cutting hole positioning tool, comprising a first sleeve and two groups of cross arms, the two groups of cross arms are slidably mounted on the left and right parts of the first sleeve respectively; it also comprises an adsorption device, a supporting device, a fixing device, two groups of support rods, a connecting arm and a fixing sleeve, the top ends of the two groups of support rods are respectively connected to the ends of the two groups of cross arms, the adsorption device is installed at the bottom ends of the two groups of support rods, the adsorption device is used to fix the two groups of support rods, the supporting device is arranged in the middle of the first sleeve, the connecting arm is installed on the supporting device, the supporting device is used to drive the connecting arm to move and adjust, the fixing sleeve is installed at the lower part of the outer side wall of the connecting arm, and the fixing sleeve is provided with A fixing device, the fixing device is used to fix the cutting tool; the bottom ends of the two groups of support rods are fixed to the belly plate through the adsorption device, and the cutting tool is fixed to the fixing sleeve, and then the connecting arm is driven by the supporting device to rotate horizontally with the center of the first sleeve as the axis, so that the connecting arm drives the cutting tool to move through the fixing sleeve, so that the cutting tool cuts a hole in the belly plate, and by fixing the two groups of support rods on the belly plate, the movement of the tooling when the cutting surfaces are separated is avoided. At the same time, the two groups of support rods are adsorbed and fixed on the belly plate through the adsorption device, which reduces the position deviation of the tooling during operation, improves the accuracy of tooling positioning, and improves the quality of cutting holes.

Preferably, the adsorption device includes two groups of suction cups, two groups of air cylinders, two groups of one-way exhaust valves, two groups of one-way air intake valves, two groups of pistons, two groups of push-pull rods and two groups of control valves. The two groups of suction cups are respectively installed at the bottom ends of the two groups of support rods, the two groups of air cylinders are respectively installed on the outer side walls of the two groups of suction cups, the two groups of one-way exhaust valves are respectively connected and arranged at the lower parts of the outer side walls of the two groups of air cylinders, the two groups of one-way air intake valves are respectively connected and arranged at the bottom ends of the two groups of air cylinders, and the two groups of one-way air intake valves are respectively communicated with the two groups of suction cups, the two groups of pistons are respectively installed in the two groups of air cylinders for sliding up and down, the two groups of push-pull rods are respectively installed on the top ends of the two groups of pistons, and the two groups of control valves are respectively connected and arranged at the two groups On the outer wall of the suction cup; the bottom ends of the two groups of suction cups are pressed against the belly plate, and then the piston is pulled upward by grabbing the push-pull rod. After the piston moves upward, the air in the suction cup is extracted through the one-way air intake valve, so that the suction cup is adsorbed and fixed on the surface of the belly plate. After the piston moves downward, the air in the air cylinder is discharged outward through the one-way exhaust valve, thereby improving the firmness of the suction cup adsorption and fixation, and then improving the positioning effect of the two groups of support rods, reducing the deviation when the tooling is used, and when the tooling needs to be removed from the belly plate, the two groups of control valves are opened to allow air to enter the two groups of suction cups, thereby facilitating the separation of the two groups of suction cups from the belly plate, thereby improving the convenience of using the tooling.

Preferably, the supporting device includes a rotating shaft, a supporting arm, a second sleeve and a first top screw. The rotating shaft is rotatably installed in the middle of the first sleeve, the supporting arm is installed at the bottom end of the rotating shaft, the second sleeve is slidably installed on the outer wall of the supporting arm, the top end of the connecting arm is connected to the bottom end of the second sleeve, and the first top screw is threaded on the second sleeve; by slidingly adjusting the second sleeve, the second sleeve drives the fixed sleeve to move horizontally, thereby improving the convenience of adjusting the cutting diameter of the circular hole. When cutting, by rotating the rotating shaft, the rotating shaft drives the fixed sleeve to rotate, so that the circular hole is rotated and cut with the push-pull rod as the axis, thereby improving the convenience of the cutting operation.

Preferably, the fixing device includes two groups of clamping plates, two groups of second top screws and multiple groups of guide columns, the two groups of clamping plates are arranged opposite to each other inside the fixing sleeve, the two groups of second top screws are screwed on the fixing sleeve, the ends of the two groups of second top screws are respectively rotatably connected to the two groups of clamping plates, the multiple groups of guide columns are slidably installed on the fixing sleeve, and the ends of the multiple groups of guide columns are respectively connected to the two groups of clamping plates; by rotating and moving the two groups of second top screws to adjust, the two groups of second top screws drive the two groups of clamping plates to move towards each other, thereby improving the convenience of the two groups of clamping plates to clamp and fix the cutting tool.

Preferably, it also includes a sleeve and a third top screw, the sleeve is installed at the top end of the first sleeve, and the rotating shaft rotates through the inside of the sleeve, and the third top screw is threaded on the sleeve; by rotating and adjusting the third top screw, the end of the third top screw contacts the outer side wall of the rotating shaft, thereby braking the rotation of the rotating shaft and improving the convenience of fixing the rotating shaft.

Preferably, two sets of fourth top screws are also included, and the two sets of fourth top screws are respectively screwed on the left and right parts of the first sleeve; by rotating and adjusting the two sets of fourth top screws, the two sets of fourth top screws respectively fix the two sets of cross arms, thereby improving the stability of the tooling.

Preferably, it also includes a hand wheel, which is installed on the top of the rotating shaft; by grabbing the hand wheel to operate, the convenience of rotating the rotating shaft is improved.

Compared with the prior art, the beneficial effects of the utility model are as follows: the bottom ends of the two groups of support rods are fixed to the belly plate by an adsorption device, and the cutting tool is fixed on the fixed sleeve. Then, the connecting arm is driven by the support device to rotate horizontally with the center of the first sleeve as the axis, so that the connecting arm drives the cutting tool to move through the fixed sleeve, so that the cutting tool cuts holes in the belly plate. By fixing the two groups of support rods on the belly plate, the movement of the tooling when the cutting surfaces are separated is avoided. At the same time, the two groups of support rods are adsorbed and fixed on the belly plate by the adsorption device, which reduces the position deviation of the tooling during operation, improves the accuracy of tooling positioning, and improves the quality of cutting holes.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the axonometric structure of the utility model;

FIG2 is a schematic diagram of the partial isometric structure of the connection between the suction cup and the air cylinder;

FIG3 is a schematic diagram of an axonometric partial structure of the connection between the rotating shaft and the support arm, etc.;

FIG4 is a schematic diagram of the isometric structure of the connection between the cross arm and the support rod;

FIG. 5 is a schematic diagram of the isometric structure of the connection between the rotating shaft and the hand wheel, etc.

Markings in the attached figure: 1. first sleeve; 2. cross arm; 3. support rod; 4. connecting arm; 5. fixed sleeve; 6. suction cup; 7. air cylinder; 8. one-way exhaust valve; 9. one-way intake valve; 10. piston; 11. push-pull rod; 12. rotating shaft; 13. support arm; 14. second sleeve; 15. first top screw; 16. splint; 17. second top screw; 18. guide column; 19. sleeve; 20. third top screw; 21. fourth top screw; 22. hand wheel; 23. control valve.

DETAILED DESCRIPTION

In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

Example 1

As shown in Figures 1 to 5, a steel frame web plate cutting hole positioning tool of the utility model comprises a first sleeve 1 and two groups of cross arms 2, and the two groups of cross arms 2 are slidably mounted on the left and right parts of the first sleeve 1 respectively; it also comprises an adsorption device, a supporting device, a fixing device, two groups of support rods 3, a connecting arm 4 and a fixing sleeve 5, the top ends of the two groups of support rods 3 are respectively connected to the ends of the two groups of cross arms 2, the adsorption device is installed at the bottom ends of the two groups of support rods 3, the adsorption device is used to fix the two groups of support rods 3, a supporting device is provided in the middle part of the first sleeve 1, the connecting arm 4 is installed on the supporting device, the supporting device is used to drive the connecting arm 4 to move and adjust, the fixing sleeve 5 is installed at the lower part of the outer side wall of the connecting arm 4, and a fixing device is provided on the fixing sleeve 5, and the fixing device is used to fix the cutting tool;

As shown in FIG. 2 , the adsorption device includes two groups of suction cups 6, two groups of air cylinders 7, two groups of one-way exhaust valves 8, two groups of one-way air intake valves 9, two groups of pistons 10, two groups of push-pull rods 11 and two groups of control valves 23. The two groups of suction cups 6 are respectively installed at the bottom ends of the two groups of support rods 3, the two groups of air cylinders 7 are respectively installed on the outer side walls of the two groups of suction cups 6, the two groups of one-way exhaust valves 8 are respectively connected and arranged at the lower parts of the outer side walls of the two groups of air cylinders 7, the two groups of one-way air intake valves 9 are respectively connected and arranged at the bottom ends of the two groups of air cylinders 7, and the two groups of one-way air intake valves 9 are respectively communicated with the two groups of suction cups 6, the two groups of pistons 10 are respectively slidably installed inside the two groups of air cylinders 7 up and down, the two groups of push-pull rods 11 are respectively installed on the top ends of the two groups of pistons 10, and the two groups of control valves 23 are respectively connected and arranged on the outer side walls of the two groups of suction cups 6;

In this embodiment, the bottom ends of the two groups of support rods 3 are fixed to the belly plate by an adsorption device, and the cutting tool is fixed on the fixing sleeve 5. Then, the connecting arm 4 is driven by the supporting device to rotate horizontally with the center of the first sleeve 1 as the axis, so that the connecting arm 4 drives the cutting tool to move through the fixing sleeve 5, so that the cutting tool cuts a hole in the belly plate. By fixing the two groups of support rods 3 on the belly plate, the movement of the tooling when the cutting surfaces are separated is avoided. At the same time, the two groups of support rods 3 are adsorbed and fixed on the belly plate by the adsorption device, which reduces the position deviation of the tooling during operation, improves the accuracy of tooling positioning, and improves the quality of cutting holes.

Example 2

As shown in Figures 1 to 5, a type of steel frame web plate cutting and positioning tooling of the utility model comprises a first sleeve 1 and two groups of cross arms 2, the two groups of cross arms 2 are slidably mounted on the left and right parts of the first sleeve 1 respectively; it also comprises an adsorption device, a supporting device, a fixing device, two groups of support rods 3, a connecting arm 4 and a fixing sleeve 5, the top ends of the two groups of support rods 3 are respectively connected to the ends of the two groups of cross arms 2, the adsorption device is installed at the bottom ends of the two groups of support rods 3, the adsorption device is used to fix the two groups of support rods 3, a supporting device is provided in the middle part of the first sleeve 1, the connecting arm 4 is installed on the supporting device, the supporting device is used to drive the connecting arm 4 to move and adjust, the fixing sleeve 5 is installed at the lower part of the outer side wall of the connecting arm 4, the fixing device is provided on the fixing sleeve 5, and the fixing device is used to fix the cutting tool;

As shown in FIG. 2 , the adsorption device includes two groups of suction cups 6, two groups of air cylinders 7, two groups of one-way exhaust valves 8, two groups of one-way air intake valves 9, two groups of pistons 10, two groups of push-pull rods 11 and two groups of control valves 23. The two groups of suction cups 6 are respectively installed at the bottom ends of the two groups of support rods 3, the two groups of air cylinders 7 are respectively installed on the outer side walls of the two groups of suction cups 6, the two groups of one-way exhaust valves 8 are respectively connected and arranged at the lower parts of the outer side walls of the two groups of air cylinders 7, the two groups of one-way air intake valves 9 are respectively connected and arranged at the bottom ends of the two groups of air cylinders 7, and the two groups of one-way air intake valves 9 are respectively communicated with the two groups of suction cups 6, the two groups of pistons 10 are respectively installed in the two groups of air cylinders 7 for sliding up and down, the two groups of push-pull rods 11 are respectively installed on the top ends of the two groups of pistons 10, and the two groups of control valves 23 are respectively connected and arranged on the outer side walls of the two groups of suction cups 6;

As shown in FIG3 , the support device includes a rotating shaft 12, a supporting arm 13, a first and a second sleeve 14 and a first top screw 15. The rotating shaft 12 is rotatably mounted in the middle of the first sleeve 1, the supporting arm 13 is mounted at the bottom end of the rotating shaft 12, the first and the second sleeve 14 are slidably mounted on the outer side wall of the supporting arm 13, the top end of the connecting arm 4 is connected to the bottom end of the first and the second sleeve 14, and the first top screw 15 is threadedly mounted on the first and the second sleeve 14;

As shown in FIG3 , the fixing device comprises two groups of clamping plates 16, two groups of second top screws 17 and multiple groups of guide posts 18. The two groups of clamping plates 16 are arranged opposite to each other inside the fixing sleeve 5. The two groups of second top screws 17 are screwed on the fixing sleeve 5. The ends of the two groups of second top screws 17 are respectively rotatably connected with the two groups of clamping plates 16. The multiple groups of guide posts 18 are all slidably installed on the fixing sleeve 5. The ends of the multiple groups of guide posts 18 are respectively connected with the two groups of clamping plates 16.

As shown in FIG. 4 , it also includes a sleeve 19 and a third top screw 20. The sleeve 19 is installed at the top of the first sleeve 1, and the shaft 12 rotates through the inside of the sleeve 19. The third top screw 20 is threadedly mounted on the sleeve 19.

As shown in FIG. 4 , two sets of fourth top screws 21 are also included, and the two sets of fourth top screws 21 are respectively threadedly mounted on the left and right parts of the first sleeve 1;

As shown in FIG4 , it also includes a hand wheel 22 , which is mounted on the top of the rotating shaft 12 ;

In this embodiment, the bottom ends of the two groups of suction cups 6 are pressed against the belly plate, and then the piston 10 is pulled upward by grabbing the push-pull rod 11. After the piston 10 moves upward, the air in the suction cup 6 is extracted through the one-way air inlet valve 9, so that the suction cup 6 is adsorbed and fixed on the surface of the belly plate. After the piston 10 moves downward, the air in the air cylinder 7 is discharged outward through the one-way exhaust valve 8, thereby improving the firmness of the suction cup 6 adsorption and fixation, and then improving the positioning effect of the two groups of support rods 3, reducing the deviation of the tooling when it is used, and when the tooling needs to be taken from the belly plate When the plate is removed, air is allowed to enter the two groups of suction cups 6 by opening the two groups of control valves 23, thereby facilitating the separation of the two groups of suction cups 6 from the belly plate, thereby improving the convenience of using the tooling, and by slidingly adjusting the first and second sleeves 14, the first and second sleeves 14 drive the fixed sleeve 5 to move horizontally, thereby improving the convenience of adjusting the diameter of the circular hole cutting. When cutting, by rotating the rotating shaft 12, the rotating shaft 12 drives the fixed sleeve 5 to rotate, thereby making the circular hole rotate and cut with the push-pull rod 11 as the axis, thereby improving the convenience of the cutting operation.

The utility model discloses a steel frame web plate hole cutting and positioning tool. When working, the bottom ends of two groups of support rods 3 are fixed on the web plate by adsorption devices, and the cutting tool is fixed on the fixing sleeve 5. Then, the connecting arm 4 is driven by the supporting device to rotate horizontally with the center of the first sleeve 1 as the axis, so that the connecting arm 4 drives the cutting tool to move through the fixing sleeve 5, so that the cutting tool cuts a hole in the web plate.

The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (7)

1. A steel frame web cutting hole positioning tool comprises a first sleeve (1) and two groups of cross arms (2), wherein the two groups of cross arms (2) are respectively and slidably arranged at the left part and the right part of the first sleeve (1); the cutting tool is characterized by further comprising an adsorption device, a supporting device, a fixing device, two groups of supporting rods (3), a connecting arm (4) and a fixing sleeve (5), wherein the tops of the two groups of supporting rods (3) are respectively connected with the ends of the two groups of cross arms (2), the adsorption device is arranged at the bottom ends of the two groups of supporting rods (3) and is used for fixing the two groups of supporting rods (3), the middle part of the first sleeve (1) is provided with the supporting device, the connecting arm (4) is arranged on the supporting device, the supporting device is used for driving the connecting arm (4) to move and adjust, the fixing sleeve (5) is arranged at the lower part of the outer side wall of the connecting arm (4), and the fixing device is arranged on the fixing sleeve (5) and is used for fixing a cutting tool.

2. The tooling for locating the cutting holes of the web plate of the steel section steel frame according to claim 1, wherein the adsorption device comprises two groups of suckers (6), two groups of air cylinders (7), two groups of one-way air valves (8), two groups of one-way air inlet valves (9), two groups of pistons (10), two groups of push-pull rods (11) and two groups of control valves (23), the two groups of suckers (6) are respectively arranged at the bottom ends of the two groups of support rods (3), the two groups of air cylinders (7) are respectively arranged on the outer side walls of the two groups of suckers (6), the two groups of one-way air valves (8) are respectively communicated with the lower parts of the outer side walls of the two groups of air cylinders (7), the two groups of one-way air inlet valves (9) are respectively communicated with the two groups of suckers (6), the two groups of pistons (10) are respectively arranged inside the two groups of air cylinders (7) in an up-down sliding mode, the two groups of rods (11) are respectively arranged at the top ends of the two groups of pistons (10), and the two groups of push-pull valves (23) are respectively communicated with the outer side walls of the two groups of air cylinders (6).

3. The steel frame web cutting hole positioning tool according to claim 1, wherein the supporting device comprises a rotating shaft (12), a supporting arm (13), a second sleeve (14) and a first jackscrew (15), the rotating shaft (12) is rotatably installed in the middle of the first sleeve (1), the supporting arm (13) is installed at the bottom end of the rotating shaft (12), the second sleeve (14) is slidably installed on the outer side wall of the supporting arm (13), the top end of the connecting arm (4) is connected with the bottom end of the second sleeve (14), and the first jackscrew (15) is matched and screwed on the second sleeve (14).

4. The hole cutting and positioning tool for the steel frame web plate according to claim 1, wherein the fixing device comprises two groups of clamping plates (16), two groups of second jackscrews (17) and a plurality of groups of guide posts (18), the two groups of clamping plates (16) are oppositely arranged in the fixing sleeve (5), the two groups of second jackscrews (17) are matched and screwed on the fixing sleeve (5), the ends of the two groups of second jackscrews (17) are respectively and rotatably connected with the two groups of clamping plates (16), the plurality of groups of guide posts (18) are respectively and slidably arranged on the fixing sleeve (5), and the ends of the plurality of groups of guide posts (18) are respectively connected with the two groups of clamping plates (16).

5. The tooling for locating the cutting holes of the web plate of the steel section steel frame according to claim 1, further comprising a shaft sleeve (19) and a third jackscrew (20), wherein the shaft sleeve (19) is arranged at the top end of the first sleeve (1), the rotating shaft (12) rotates to penetrate through the shaft sleeve (19), and the third jackscrew (20) is matched and screwed on the shaft sleeve (19).

6. The steel frame web cutting hole positioning tool according to claim 1, further comprising two groups of fourth jackscrews (21), wherein the two groups of fourth jackscrews (21) are respectively matched and screwed on the left part and the right part of the first sleeve (1).

7. A steel frame web cutting hole positioning tool as claimed in claim 3, further comprising a hand wheel (22), wherein the hand wheel (22) is mounted at the top end of the rotating shaft (12).