Adjustable clamping device for drilling

Abstract

The utility model provides an adjustable clamping device for drilling, which comprises a base provided with a bearing platform; one end of the clamping structure is hinged to the bearing platform, and the clamping structure is provided with a limiting space for fixing plate parts; and the angle adjusting structure is fixedly arranged on the bearing platform, connected with the other end of the clamping structure and used for driving the clamping structure to rotate in a pitching mode so as to adjust and fix the machining angle of the plate part. According to the adjustable clamping device for drilling, the base is arranged, the clamping structure is arranged on the base and can rotate on the base in a pitching mode, plate parts are fixed through the limited space of the clamping structure, the angle adjusting structure is arranged on the base and can drive the clamping structure to rotate in a pitching mode, and therefore the plate parts can be fixed. And the machining angle of the plate part can be adjusted and fixed, the hole machining angle of the plate part can be adjusted, adaptability is good, and practicability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling processing, and in particular relates to an adjustable clamping device for drilling. Background Art

[0002] Drilling is a process that uses cutting tools to produce cylindrical holes. Drilling is one of the most common metalworking methods in the manufacturing industry. It involves using a special drill bit to form a circular hole in the workpiece. This process requires precise and meticulous operation to ensure that the hole meets the technical requirements. A drilling machine is a mechanical device used to drill cylindrical holes in various materials. The working principle of a drilling machine is based on the principle of rotary cutting. The material is cut to form a hole by rotating the drill bit.

[0003] In the prior art, when drilling holes in sheet metal parts, the sheet metal parts that need to be drilled are usually placed on a platform, and then the drilling machine is used to align the holes to the positions where the holes need to be drilled. However, on some sheet metal parts with special requirements, inclined holes at a certain angle need to be processed, and pads need to be set at the bottom of the sheet metal parts. The processing process is time-consuming and labor-intensive, and has poor adaptability and practicality. Utility Model Content

[0004] The embodiment of the utility model provides an adjustable clamping device for drilling, aiming to solve the problems of poor adaptability and poor practicality of the existing drilling processing method.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: to provide an adjustable clamping device for drilling, comprising:

[0006] A base having a bearing platform;

[0007] A clamping structure, one end of which is hinged to the bearing platform, and the clamping structure has a limited space for fixing the plate parts;

[0008] The angle adjustment structure is fixedly mounted on the bearing platform and connected to the other end of the clamping structure, and is used to drive the clamping structure to rotate in pitch so as to adjust and fix the processing angle of the plate parts.

[0009] In a possible implementation, the angle adjustment structure includes:

[0010] A fixing seat, fixedly mounted on the bearing platform and located at the bottom of the other end of the clamping structure;

[0011] A rotating sleeve is rotatably arranged on a fixed seat, a rotation axis is arranged parallel to the hinge axis of the clamping structure, the rotating sleeve has a through barrel cavity, and the through direction of the barrel cavity is arranged perpendicular to the rotation axis of the rotating sleeve;

[0012] A screw rod, one end of which is hinged to the other end of the clamping structure, and the other end of which passes through the rotating sleeve and extends outward;

[0013] A nut is located between the rotating sleeve and the clamping structure and abuts against the rotating sleeve. The nut is threadedly connected to the screw rod and is used to adjust the pitch angle of the clamping structure.

[0014] In a possible implementation, the other end of the clamping structure is provided with a hinge seat for hinged connection of the screw rod.

[0015] In a possible implementation, the clamping structure includes:

[0016] An adjustment plate, one end of which is hinged on the base and the other end of which extends outwards, wherein the adjustment plate is provided with a through cavity which penetrates the adjustment plate along the normal direction of the adjustment plate;

[0017] A plurality of support plates are provided, and the plurality of support plates are arranged on the adjustment plate at intervals along the extension direction of the adjustment plate;

[0018] A plurality of clamping units are provided, and the plurality of clamping units are arranged at intervals on both sides of the through cavity along the extending direction of the adjustment plate, and are all detachably connected to the adjustment plate;

[0019] Wherein, the adjustment plate is provided with grooves for placing the two ends of the support plate, and the grooves are communicated with the through cavity.

[0020] In a possible implementation, each of the clamping units includes:

[0021] A clamping block, detachably connected to the adjustment plate and located above the adjustment plate;

[0022] A clamping bolt passes through the corresponding clamping block and is threadedly connected to the adjustment plate;

[0023] A washer, used to disperse the pressure of the clamping bolt on the clamping block;

[0024] Wherein, the adjusting plate is provided with threaded holes for connection of the clamping bolts.

[0025] In a possible implementation, one end of the clamping block is provided with a connection hole for the clamping bolt to pass through, and the other end of the clamping block is provided with a protrusion, which is located at the bottom end of the clamping block and abuts against the plate.

[0026] In a possible implementation, a circular arc surface is provided at a bottom end of the nut of the clamping bolt.

[0027] In this implementation, compared with the prior art, a base is provided, and a clamping structure is provided on the base, which can be pitched and rotated on the base, and the plate parts are fixed by the limited space of the clamping structure. An angle adjustment structure is provided on the base, which can drive the clamping structure to pitch and rotate, so as to adjust and fix the processing angle of the plate parts, and the hole processing angle of the plate parts can be adjusted, so it has good adaptability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic structural diagram of an adjustable clamping device for drilling provided in an embodiment of the utility model;

[0029] Figure 2 A schematic diagram of a clamping structure of an adjustable clamping device for drilling provided in an embodiment of the utility model Figure 1 ;

[0030] Figure 3 A schematic diagram of a clamping structure of an adjustable clamping device for drilling provided in an embodiment of the utility model Figure 2 ;

[0031] Figure 4 A schematic diagram of a side cross-sectional structure of a clamping structure of an adjustable clamping device for drilling provided in an embodiment of the utility model;

[0032] Figure 5 A schematic structural diagram of a clamping unit of an adjustable clamping device for drilling provided in an embodiment of the utility model;

[0033] Description of reference numerals:

[0034] 10. Base; 20. Clamping structure; 21. Articulated seat; 22. Adjustment plate; 221. Through cavity; 23. Support plate; 24. Clamping unit; 241. Clamping block; 242. Clamping bolt; 243. Washer; 30. Angle adjustment structure; 31. Fixed seat; 32. Rotating sleeve; 33. Screw; 34. Nut; 40. Drilling machine. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0036] Please also read Figures 1 to 5 The adjustable clamping device for drilling provided by the utility model is now described. The adjustable clamping device for drilling comprises a base 10, a clamping structure 20 and an angle adjustment structure 30.

[0037] The base 10 has a bearing platform.

[0038] One end of the clamping structure 20 is hinged to the bearing platform, and the clamping structure 20 has a limited space for fixing the plate parts.

[0039] The angle adjustment structure 30 is fixed on the bearing platform and connected to the other end of the clamping structure 20, and is used to drive the clamping structure 20 to pitch and rotate so as to adjust and fix the processing angle of the plate parts.

[0040] Compared with the prior art, the adjustable clamping device for drilling provided in this embodiment is provided with a base 10, on which a clamping structure 20 is provided, which can be pitched and rotated on the base 10, and the plate parts can be fixed through the limited space of the clamping structure 20. An angle adjustment structure 30 is provided on the base 10, which can drive the clamping structure 20 to pitch and rotate so as to adjust and fix the processing angle of the plate parts, and can adjust the hole processing angle of the plate parts, so it has good adaptability and practicality.

[0041] In some embodiments, the angle adjustment structure 30 may be configured as follows: Figure 1 See the structure shown. Figure 1 The angle adjustment structure 30 includes: a fixed seat 31, a rotating sleeve 32, a screw 33 and a nut 34. The fixed seat 31 is fixed on the bearing platform and is located at the bottom of the other end of the clamping structure 20. The rotating sleeve 32 is rotatably set on the fixed seat 31, and the rotation axis is set parallel to the hinge axis of the clamping structure 20. The rotating sleeve 32 has a through barrel cavity, and the through direction of the barrel cavity is set perpendicular to the rotation axis of the rotating sleeve 32. One end of the screw 33 is hinged to the other end of the clamping structure 20, and the other end passes through the rotating sleeve 32 and extends outward. The nut 34 is located between the rotating sleeve 32 and the clamping structure 20, and abuts against the rotating sleeve 32. The nut 34 is threadedly connected to the screw 33 and is used to adjust the pitch angle of the clamping structure 20.

[0042] The fixed seat 31 can be understood as a raised block fixed on the supporting platform. The rotating sleeve 32 can be rotatably set at the top of the raised block. The rotation axis is set parallel to the hinge axis of the clamping structure 20. A barrel cavity that passes through the rotating sleeve 32 and is set in a direction perpendicular to the rotation axis of the rotating sleeve 32 can be used for sliding connection of the screw 33. A nut 34 located between the rotating sleeve 32 and the clamping structure 20 is provided on the screw 33. The pitch angle of the clamping structure 20 can be adjusted by rotating the nut 34, and the pitch angle of the clamping structure 20 can be fixed by the abutment between the nut 34 and the rotating sleeve 32.

[0043] In some embodiments, the clamping structure 20 may be configured as follows: Figure 1 See the structure shown. Figure 1 The other end of the clamping structure 20 is provided with a hinge seat 21 for the screw rod 33 to be hinged.

[0044] The hinge seat 21 can be understood as a fixed block arranged at the bottom of the other end of the clamping structure 20 , and can be hinged to the screw rod 33 .

[0045] In some embodiments, the clamping structure 20 may be configured as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The clamping structure 20 includes: an adjustment plate 22, a support plate 23 and a clamping unit 24. One end of the adjustment plate 22 is hinged on the base 10, and the other end extends outward. The adjustment plate 22 is provided with a through cavity 221 that penetrates the adjustment plate 22 along the normal direction of the adjustment plate 22. There are multiple support plates 23, and the multiple support plates 23 are arranged on the adjustment plate 22 at intervals along the extension direction of the adjustment plate 22. There are multiple clamping units 24, and the multiple clamping units 24 are arranged at intervals on both sides of the through cavity 221 along the extension direction of the adjustment plate 22, and are all detachably connected to the adjustment plate 22.

[0046] The adjusting plate 22 is provided with grooves for placing the two ends of the supporting plate 23 , and the grooves are communicated with the through cavity 221 .

[0047] The adjustment plate 22 can be hinged on the base 10 and can pitch and rotate on the base 10. A through cavity 221 is provided on the adjustment plate 22 along the normal direction of the adjustment plate 22, so that the drill bit can pass through during drilling. A plurality of support plates 23 can be arranged on the adjustment plate 22 at intervals along the extension direction of the adjustment plate 22 to support the plate parts. A plurality of clamping units 24 can be arranged on both sides of the through cavity 221 at intervals along the extension direction of the adjustment plate 22 to clamp and fix the plate parts.

[0048] The hinge seat 21 is located at the bottom end of the extended end of the adjustment plate 22 .

[0049] In some embodiments, the clamping unit 24 may be configured as follows: Figures 1 to 5 See the structure shown. Figures 1 to 5 Each clamping unit 24 includes: a clamping block 241, a clamping bolt 242 and a washer 243. The clamping block 241 is detachably connected to the adjustment plate 22 and is located above the adjustment plate 22. The clamping bolt 242 passes through the corresponding clamping block 241 and is threadedly connected to the adjustment plate 22. The washer 243 is used to disperse the pressure of the clamping bolt 242 on the clamping block 241.

[0050] The adjusting plate 22 is provided with threaded holes for connection of the clamping bolts 242 .

[0051] The clamping block 241, the clamping bolt 242 and the washer 243 can make the clamping block 241 contact the upper surface of the plate part and fix it by rotating the clamping bolt 242. The washer 243 can disperse the pressure of the clamping bolt 242 on the clamping block 241 to prevent scratches on the clamping block 241.

[0052] In some embodiments, the clamping block 241 may be configured as follows: Figure 5 See the structure shown. Figure 5 One end of the clamping block 241 is provided with a connecting hole for the clamping bolt 242 to pass through, and the other end of the clamping block 241 is provided with a protrusion, which is located at the bottom end of the clamping block 241 and abuts against the plate.

[0053] The protrusion of the clamping block 241 can adjust the tightness of the sheet metal part when the clamping bolt 242 is rotated.

[0054] In some embodiments, the clamping bolt 242 may be provided as follows: Figure 5 See the structure shown. Figure 5 The bottom end of the nut of the clamping bolt 242 is provided with an arc surface.

[0055] The bottom end of the nut of the clamping bolt 242 is provided with an arc surface so that when the protrusion abuts against the plate part, the force caused by the tilt of the clamping block 241 is more uniform due to the thick plate part.

[0056] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable clamping device for drilling, characterized in that: include: A base having a bearing platform; A clamping structure, one end of which is hinged to the bearing platform, and the clamping structure has a limited space for fixing the plate parts; The angle adjustment structure is fixedly mounted on the bearing platform and connected to the other end of the clamping structure, and is used to drive the clamping structure to rotate in pitch so as to adjust and fix the processing angle of the plate parts.

2. The adjustable clamping device for drilling a hole according to claim 1, characterized in that The angle adjustment structure comprises: A fixing seat, fixedly mounted on the bearing platform and located at the bottom of the other end of the clamping structure; A rotating sleeve is rotatably arranged on a fixed seat, a rotation axis is arranged parallel to the hinge axis of the clamping structure, the rotating sleeve has a through barrel cavity, and the through direction of the barrel cavity is arranged perpendicular to the rotation axis of the rotating sleeve; A screw rod, one end of which is hinged to the other end of the clamping structure, and the other end of which passes through the rotating sleeve and extends outward; A nut is located between the rotating sleeve and the clamping structure and abuts against the rotating sleeve. The nut is threadedly connected to the screw rod and is used to adjust the pitch angle of the clamping structure.

3. The adjustable clamping device for drilling a hole according to claim 2, characterized in that The other end of the clamping structure is provided with a hinge seat for hinge connection of the screw rod.

4. The adjustable clamping device for drilling a hole according to claim 2, characterized in that: The clamping structure comprises: An adjustment plate, one end of which is hinged on the base and the other end of which extends outwards, wherein the adjustment plate is provided with a through cavity which penetrates the adjustment plate along the normal direction of the adjustment plate; A plurality of support plates are provided, and the plurality of support plates are arranged on the adjustment plate at intervals along the extension direction of the adjustment plate; A plurality of clamping units are provided, and the plurality of clamping units are arranged at intervals on both sides of the through cavity along the extending direction of the adjustment plate, and are all detachably connected to the adjustment plate; Wherein, the adjustment plate is provided with grooves for placing the two ends of the support plate, and the grooves are communicated with the through cavity.

5. The adjustable clamping device for drilling a hole according to claim 4, characterized in that Each of the clamping units comprises: A clamping block, detachably connected to the adjustment plate and located above the adjustment plate; A clamping bolt passes through the corresponding clamping block and is threadedly connected to the adjustment plate; A washer, used to disperse the pressure of the clamping bolt on the clamping block; Wherein, the adjusting plate is provided with threaded holes for connection of the clamping bolts.

6. The adjustable clamping device for drilling a hole according to claim 5, characterized in that One end of the clamping block is provided with a connecting hole for the clamping bolt to pass through, and the other end of the clamping block is provided with a convex portion, which is located at the bottom end of the clamping block and abuts against the plate.

7. The adjustable clamping device for drilling a hole according to claim 5, characterized in that: The bottom end of the nut of the clamping bolt is provided with an arc surface.

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