CN111975029B - Oscillating drilling equipment - Google Patents
Oscillating drilling equipment Download PDFInfo
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- CN111975029B CN111975029B CN202010682789.9A CN202010682789A CN111975029B CN 111975029 B CN111975029 B CN 111975029B CN 202010682789 A CN202010682789 A CN 202010682789A CN 111975029 B CN111975029 B CN 111975029B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a swing type drilling device which comprises a bottom plate, a drill bushing, a clamping mechanism, a locking mechanism and an adjusting mechanism, wherein the bottom plate is provided with a hole; the clamping mechanism comprises a swinging plate, a movable jaw, an adjusting jaw, a large compression spring, a push-pull rod assembly, a straight gear and an eccentric sector gear; the eccentric sector gear is lifted and fixedly connected above the bottom plate through a rotating shaft, and one end of the swinging plate is rotatably connected with the rotating shaft at the bottom of the eccentric sector gear; the locking mechanism comprises a J-shaped support, a positioning bolt and a steel ball; the J-shaped support is fixedly connected to one corner of the upper part of the bottom plate, and a lower long waist-shaped hole is formed in the bottom plate on the inner side of the J-shaped support; the adjusting mechanism comprises an adjusting base and an adjusting plate; the adjusting base is U-shaped, the upper surface of the adjusting base is a step surface, and the adjusting base slides or is fixedly connected to the upper surface of the long edge of the J-shaped support. The invention has convenient and quick operation, saves time and labor for clamping the workpiece and improves the production efficiency; in addition, the positioning is accurate, the requirement of the position precision of the workpiece can be met, and the quality of the workpiece is ensured.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a swing type drilling device.
Background
The machining is a relatively main production mode, turning, milling, planing, grinding, drilling and the like are common, a cutter is used as an essential component of the machining mode, the quality of the cutter and the installation quality of the cutter have important influence on the machining, and meanwhile, the application of the clamp is also beneficial to improving the quality and efficiency of various machining.
In the prior art, a clamp commonly used in drilling is a flat tongs or a pressure plate, which causes time and labor consumption for clamping workpieces, affects production efficiency during batch production, and increases production cost; meanwhile, because the position precision of the part is ensured by manual scribing, when a product is processed, the product with high precision can not be processed.
Therefore, it is necessary to invent an oscillating type drilling apparatus to solve the above problems.
Disclosure of Invention
The invention aims to provide a swing type drilling device which is convenient and quick to operate, saves time and labor for clamping workpieces and obviously improves the production efficiency; in addition, the positioning is accurate, the requirement of the position precision of the workpiece can be met, and the quality of the workpiece is ensured, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a swing type drilling device comprises a bottom plate, a drill bushing, a clamping mechanism for clamping a workpiece, a locking mechanism for locking the clamping mechanism and an adjusting mechanism for adjusting the position of the drill bushing;
the clamping mechanism comprises a swinging plate, a movable jaw, an adjusting jaw, a large compression spring, a push-pull rod assembly, a straight gear and an eccentric sector gear; the eccentric sector gear is lifted and fixedly connected above the bottom plate through a rotating shaft, and one end of the swinging plate is rotatably connected with the rotating shaft at the bottom of the eccentric sector gear; the upper end of the swing plate is fixedly connected with two supporting seats, the push-pull rod assembly is connected to the supporting seats in a sliding mode, the straight gear is connected to one end of the push-pull rod assembly in a rotating mode, the eccentric sector gear is meshed with the straight gear, and the large compression spring is sleeved on the outer side of the push-pull rod assembly between the straight gear and the first supporting seat; the movable jaw and the adjusting jaw are connected to the swinging plate in a sliding mode, upper long waist-shaped holes are formed in the swinging plate below the movable jaw and the adjusting jaw, the movable jaw is fixedly connected to one end of the push-pull rod assembly, and a fine adjustment mechanism A is arranged on the rear side of the adjusting jaw;
the locking mechanism comprises a J-shaped support, a positioning bolt and a steel ball; the J-shaped support is fixedly connected to one corner of the upper part of the bottom plate, and a lower long waist-shaped hole is formed in the bottom plate on the inner side of the J-shaped support; the positioning bolt is arranged on the inner side surface of the long side of the J-shaped support, the steel ball is convexly arranged on the inner side surface of the short side of the J-shaped support, the steel ball is bounced back into the J-shaped support after being stressed, and a hemispherical groove matched with the steel ball is arranged on the end surface of the swinging plate;
the adjusting mechanism comprises an adjusting base and an adjusting plate; the adjusting base is U-shaped, the upper surface of the adjusting base is a step surface, and the adjusting base is slidably or fixedly connected to the upper surface of the long edge of the J-shaped support; the adjusting plate is connected to the lower end of the step surface of the adjusting base in a sliding mode, a through hole a is formed in the adjusting plate, the drill bushing is in interference fit with the through hole a, and a fine adjustment mechanism B is arranged on the rear side of the adjusting plate.
The invention has the further improvement scheme that the bottom plate and the swinging plate are both rectangular, a through hole b is arranged on the bottom plate, and a through hole c is arranged at one end of the swinging plate; the rotating shaft is in a three-stage step shape, the large end of the rotating shaft is fixedly connected in the through hole b, and the eccentric hole in the eccentric sector gear is fixedly connected to the small end of the rotating shaft; a bearing is arranged in the through hole c, the outer ring of the bearing is in interference fit with the through hole c, and the inner hole of the bearing is in interference fit with the middle part of the rotating shaft; the upper surface of the swing plate is provided with a through dovetail groove, and the lower surfaces of the movable jaw and the adjusting jaw are provided with two dovetails which are in sliding fit with the dovetail groove on the swing plate.
In a further improvement of the invention, the push-pull rod assembly comprises a front push-pull rod, a rear push-pull rod and a stud bolt; the supporting seat is provided with a through hole d and a through hole e, the front push-pull rod and the rear push-pull rod are respectively connected in a sliding manner in the through hole d and the through hole e, and a right-handed thread blind hole and a left-handed thread blind hole are respectively formed in the opposite end surfaces of the rear push-pull rod and the front push-pull rod; the two ends of the double-head screw are respectively provided with left-hand threads and right-hand threads, and the two ends of the double-head screw are respectively in threaded fit with the left-hand thread blind holes and the right-hand thread blind holes.
The invention has the further improvement scheme that one end of the rear push-pull rod is fixedly connected with a rectangular gear seat, one end of the gear seat close to the eccentric sector gear is provided with a rectangular groove and a fillet, a straight gear is in clearance fit with the rectangular groove, one end of the gear seat far away from the eccentric sector gear is provided with a blind hole, the blind hole is fixedly connected with one end of the rear push-pull rod, the upper surface of the gear seat is provided with a vertical through hole f, a T-shaped bolt is in interference fit with the through hole f, and an inner hole of the straight gear is rotatably connected with the outer wall of a small cylinder of the T-shaped bolt; the large compression spring is sleeved outside the rear push-pull rod, one end of the large compression spring is abutted against the gear seat, and the other end of the large compression spring is abutted against the supporting seat.
The invention has the further improvement scheme that one end of the swinging plate is in a semicircular convex arc surface, the hemispherical groove is arranged in the middle of the semicircular convex arc surface, a blind hole is arranged on one side of the semicircular convex arc surface, which is far away from the J-shaped support, and a handle is fixedly connected in the blind hole; the joint of the long side and the short side of the J-shaped support is a concave arc surface, a through inner arc threaded hole is formed in the inner side surface of the short side, the steel ball, the small compression spring and the locking bolt are arranged in the inner arc threaded hole, and the steel ball and the small compression spring slide in the inner arc threaded hole.
The invention has the further improvement scheme that two countersunk through holes are formed in the middle of the adjusting base, countersunk bolts in the countersunk through holes are in threaded fit with the T-shaped block, and the T-shaped block is in sliding fit with the T-shaped through groove in the upper surface of the J-shaped support; dovetail grooves are formed in the upper surfaces of the rectangular bodies on the two sides of the adjusting base, and dovetails are arranged at the bottoms of the two sides of the adjusting plate and are in sliding fit with the dovetail grooves in the adjusting base.
The invention has the further improvement scheme that the fine adjustment mechanism A comprises an adjustment nut A and an adjustment bolt A, a fine adjustment support is arranged on the upper surface of the arc end of the oscillating plate, a through hole g is formed in the rear side of the fine adjustment support, the through hole g is in rotating fit with the excircle of the adjustment nut A, a threaded through hole penetrating through the through hole g is formed in the upper surface of the fine adjustment support, and the cylindrical end stop bolt A is in threaded fit with the threaded through hole; adjusting nut A is the step form, is equipped with rectangle annular A on the arc surface of little step, and the cylinder excircle of cylinder end bolt A and the both sides face sliding fit of rectangle annular A are equipped with the scale on the arc surface of big step, and adjusting nut A's terminal surface is equipped with the screw hole that link up, adjusting bolt A and this screw hole screw-thread fit, and adjusting bolt A's one end and regulation keep silent rigid coupling.
The invention has the further improvement scheme that the fine adjustment mechanism B comprises an adjustment nut B and an adjustment bolt B, a through hole h is formed in the middle of the adjustment base and is in rotating fit with the excircle of the adjustment nut B, a threaded through hole penetrating through the through hole h is formed in the upper surface of the adjustment base, and a cylindrical end-stop bolt B is in threaded fit with the threaded through hole; adjusting nut B is the step form, is equipped with rectangle annular B on the arc surface of little step, and the cylinder excircle of cylinder end bolt B and the both sides face sliding fit of rectangle annular B are equipped with the scale on the arc surface of big step, and adjusting nut B's terminal surface is equipped with the screw hole that link up, adjusting bolt B and this screw hole screw-thread fit, and adjusting bolt B's one end and regulating plate rigid coupling.
According to a further improvement scheme of the invention, when the steel balls fall into the spherical grooves, the bottommost end of the adjusting nut A is higher than the upper surface of the short side of the J-shaped support.
According to a further improvement scheme of the invention, when the steel balls fall into the spherical grooves, the upper long waist-shaped hole and the lower long waist-shaped hole are overlapped up and down.
The invention has the beneficial effects that:
firstly, the swing type drilling device is novel in structure, scientific and reasonable, low in design and manufacturing cost, convenient to maintain and operate, time-saving and labor-saving in workpiece clamping, and capable of remarkably improving production efficiency.
Secondly, the oscillating drilling device is provided with two groups of fine adjustment mechanisms, is accurate in positioning, can meet the requirement of workpiece position precision, reduces the rejection rate of workpieces, and ensures the quality of the workpieces.
Thirdly, the workpiece is clamped by the aid of the meshing of the eccentric sector gear and the straight gear, and the friction force between the two gears is large, so that the workpiece is not prone to loosening or falling off.
Fourthly, the swing type drilling device disclosed by the invention realizes the locking and separation between the swing plate and the J-shaped support in a mode of the elastic steel balls and the spherical grooves, and is ingenious in structure and convenient to use.
Fifth, according to the swing type drilling device, the front push-pull rod and the rear push-pull rod are connected through the double-headed screw rods with different thread rotation directions, so that the swing type drilling device is convenient to disassemble and assemble.
Sixth, according to the swing type drilling device, the end, close to the eccentric sector gear, of the gear seat is chamfered, so that interference between the gear seat and the eccentric sector gear can be effectively avoided.
Seventhly, according to the swing type drilling device, one end of the swing plate is in the shape of a semicircular convex arc surface, and the joint of the long side and the short side of the J-shaped support is in the shape of a concave arc surface, so that interference between the swing plate and the J-shaped support is effectively avoided.
Eighth, according to the swing type drilling device, the handle is fixedly connected to one side, away from the J-shaped support, of the hemispherical convex arc surface, so that an operator can assemble and disassemble workpieces conveniently.
Ninth, according to the swing type drilling device, the adjusting nut A and the adjusting nut B are provided with scales, so that the jaw and the adjusting plate can be adjusted accurately and conveniently.
Tenth, according to the swing type drilling device of the present invention, when the steel ball falls into the spherical groove, the lowermost end of the adjusting nut a is higher than the short upper surface of the J-shaped support, so that interference between the clamping mechanism and the locking mechanism is prevented when the workpiece is clamped.
Eleventh, according to the swing type drilling device, when the steel balls fall into the spherical groove, the upper long waist-shaped hole and the lower long waist-shaped hole are overlapped up and down, and meanwhile, the bottom plate and the drill bit are not easy to damage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a partial view of fig. 2.
Fig. 4 is a cross-sectional view at B-B in fig. 3.
FIG. 5 is a schematic view of the construction of the wobble plate of the present invention.
Fig. 6 is a schematic structural diagram of the J-shaped support of the present invention.
FIG. 7 is a schematic view of the assembly of the adjustment bracket and the adjustment plate of the present invention.
Fig. 8 is a schematic view of the structure of the adjusting base of the present invention.
Fig. 9 is a schematic diagram of the structure of the adjusting plate of the present invention.
Fig. 10 is a schematic structural diagram of an adjusting nut a of the present invention.
Fig. 11 is a schematic view of a rotating shaft according to the present invention.
Fig. 12 is a schematic structural diagram of the present invention in an operating state.
In the figure: 1-bottom plate, 101-lower long waist-shaped hole, 102-through hole b, 2-drill bushing, 3-clamping mechanism, 301-swing plate, 302-movable jaw, 303-large compression spring, 304-spur gear, 305-eccentric sector gear, 306-rotating shaft, 307-support seat, 308-upper long waist-shaped hole, 309-through hole c, 310-front push-pull rod, 311-rear push-pull rod, 312-stud bolt, 313-through hole d, 314-through hole e, 315-gear seat, 316-T-shaped bolt, 317-handle, 318-adjusting jaw, 4-locking mechanism, 401-J-shaped support seat, 402-positioning bolt, 403-steel ball, 404-hemispherical groove, 405-inner circular arc threaded hole, 406-small compression spring, 407-locking bolt, 408-countersunk head bolt, 409-T-shaped block, 5-adjusting mechanism, 501-adjusting base, 502-adjusting plate, 503-through hole a, 6-fine adjusting mechanism A, 601-adjusting nut A, 602-adjusting bolt A, 603-fine adjusting support, 604-through hole g, 605-cylindrical end bolt A, 606-rectangular ring groove A, 7-fine adjusting mechanism B, 701-adjusting nut B, 702-adjusting bolt B, 703-through hole h and 704-cylindrical end bolt B.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Example 1: as shown in fig. 1 to 11, a swing type drilling device comprises a bottom plate 1, a drill bushing 2, a clamping mechanism 3 for clamping a workpiece, a locking mechanism 4 for locking the clamping mechanism 3, and an adjusting mechanism 5 for adjusting the position of the drill bushing 2; the clamping mechanism 3 comprises a swinging plate 301, a movable jaw 302, an adjusting jaw 318, a large compression spring 303, a push-pull rod assembly, a straight gear 304 and an eccentric gear 305; the eccentric sector gear 305 is lifted and fixedly connected above the bottom plate 1 through a rotating shaft 306, and one end of the swinging plate 301 is rotatably connected with the rotating shaft 306 at the bottom of the eccentric sector gear 305; two supporting seats 307 are fixedly connected to the upper end of the swing plate 301, the push-pull rod assembly is slidably connected to the supporting seats 307, the spur gear 304 is rotatably connected to one end of the push-pull rod assembly, the eccentric sector gear 305 is meshed with the spur gear 304, and the large compression spring 303 is sleeved on the outer side of the push-pull rod assembly between the spur gear 304 and the first supporting seat 307; the movable jaw 302 and the adjusting jaw 318 are slidably connected to the swinging plate 301, an upper long waist-shaped hole 308 is formed in the swinging plate 301 below the movable jaw 302 and the adjusting jaw 318, the movable jaw 302 is fixedly connected to one end of the push-pull rod assembly, and a fine adjusting mechanism A6 is arranged on the rear side of the adjusting jaw 318; the locking mechanism 4 comprises a J-shaped support 401, a positioning bolt 402 and a steel ball 403; the J-shaped support 401 is fixedly connected to one corner of the upper part of the bottom plate 1, and a lower long waist-shaped hole 101 is formed in the bottom plate 1 on the inner side of the J-shaped support 401; the positioning bolt 402 is arranged on the inner side surface of the long side of the J-shaped support 401, the steel ball 403 is arranged on the inner side surface of the short side of the J-shaped support 401 in a protruding mode, the steel ball 403 is rebounded into the J-shaped support 401 after being stressed, and a hemispherical groove 404 matched with the steel ball 403 is formed in the end face of the swinging plate 301;
the adjusting mechanism 5 comprises an adjusting base 501 and an adjusting plate 502; the adjusting base 501 is in a U shape, the upper surface of the adjusting base is a step surface, and the adjusting base slides or is fixedly connected to the upper surface of the long edge of the J-shaped support 401; the adjusting plate 502 is slidably connected to the lower end of the step surface of the adjusting base 501, a through hole a503 is formed in the adjusting plate 502, the drill bushing 2 is fixedly connected to the through hole a503, and a fine adjusting mechanism B7 is arranged on the rear side of the adjusting plate 502;
the bottom plate 1 and the swinging plate 301 are both rectangular, a through hole b102 is formed in the bottom plate 1, and a through hole c309 is formed in one end of the swinging plate 301; the rotating shaft 306 is in a three-stage step shape, the large end of the rotating shaft is fixedly connected in the through hole b102, and the eccentric hole on the eccentric sector gear 305 is fixedly connected with the small end of the rotating shaft 306; a bearing is arranged in the through hole c309, the outer ring of the bearing is in interference fit with the through hole c309, and the inner hole of the bearing is in interference fit with the middle part of the rotating shaft 306; the upper surface of the swing plate 301 is provided with a through dovetail groove, and the lower surfaces of the movable jaw 302 and the adjusting jaw 318 are provided with two dovetails which are in sliding fit with the dovetail groove on the swing plate 301.
The push-pull rod assembly comprises a front push-pull rod 310, a rear push-pull rod 311 and a stud 312; a through hole d313 and a through hole e314 are formed in the supporting seat 307, the front push-pull rod 310 and the rear push-pull rod 311 are respectively connected in the through hole d313 and the through hole e314 in a sliding manner, and a right-handed threaded blind hole and a left-handed threaded blind hole are respectively formed in the end faces, opposite to the front push-pull rod 310, of the rear push-pull rod 311; the two ends of the double-head screw are respectively provided with left-hand threads and right-hand threads, and the two ends of the double-head screw are respectively in threaded fit with the left-hand thread blind holes and the right-hand thread blind holes.
One end of the rear push-pull rod 311 is fixedly connected with a rectangular gear seat 315, one end of the gear seat 315 close to the eccentric sector gear 305 is provided with a rectangular groove and a fillet, the straight gear 304 is in clearance fit with the rectangular groove, one end of the gear seat 315 far away from the eccentric sector gear 305 is provided with a blind hole, the blind hole is fixedly connected with one end of the rear push-pull rod 311, the upper surface of the gear seat 315 is provided with a vertical through hole f, the T-shaped bolt 316 is in interference fit with the through hole f, and an inner hole of the straight gear 304 is rotatably connected to the outer wall of a small cylinder of the T-shaped bolt 316; the large compression spring 303 is sleeved outside the rear push-pull rod 311, and one end of the large compression spring 303 abuts against the gear seat 315, and the other end abuts against the supporting seat 307.
One end of the swinging plate 301 is in a semicircular convex arc surface, the hemispherical groove 404 is arranged in the middle of the semicircular convex arc surface, a blind hole is arranged on one side of the semicircular convex arc surface, which is far away from the J-shaped support 401, and a handle 317 is fixedly connected in the blind hole; the joint of the long side and the short side of the J-shaped support 401 is a concave arc surface, the inner side surface of the short side is provided with a through inner arc threaded hole 405, the steel ball 403, the small compression spring 406 and the locking bolt 407 are arranged in the inner arc threaded hole 405, and the steel ball 403 and the small compression spring 406 slide in the inner arc threaded hole 405.
Two countersunk through holes are formed in the middle of the adjusting base 501, countersunk bolts 408 in the countersunk through holes are in threaded fit with the T-shaped block 409, and the T-shaped block 409 is in sliding fit with the T-shaped through groove in the upper surface of the J-shaped support 401; dovetail grooves are formed in the upper surfaces of the rectangular bodies on the two sides of the adjusting base 501, and dovetails are arranged at the bottoms of the two sides of the adjusting plate 502 and are in sliding fit with the dovetail grooves in the adjusting base 501.
The fine adjustment mechanism A6 comprises an adjustment nut A601 and an adjustment bolt A602, the upper surface of the arc end of the swinging plate 301 is provided with a fine adjustment support 603, the rear side of the fine adjustment support 603 is provided with a through hole g604, the through hole g604 is rotationally matched with the excircle of the adjustment nut A601, the upper surface of the fine adjustment support 603 is provided with a threaded through hole penetrating through the through hole g604, and a cylindrical stop bolt A605 is in threaded fit with the threaded through hole; adjusting nut A601 is the step form, is equipped with rectangle annular A606 on the arc surface of little step, and the cylinder excircle of cylinder end bolt A605 and the both sides face sliding fit of rectangle annular A606 are equipped with the scale on the arc surface of big step, and adjusting nut A601's terminal surface is equipped with the screw hole that link up, and adjusting bolt A602 and this screw hole screw-thread fit, and adjusting bolt A602's one end and regulation jaw 318 rigid coupling.
The fine adjustment mechanism B7 comprises an adjustment nut B701 and an adjustment bolt B702, a through hole h703 is formed in the middle of the adjustment base 501, the through hole h703 is in rotating fit with the outer circle of the adjustment nut B701, a threaded through hole penetrating through the through hole h703 is formed in the upper surface of the adjustment base 501, and a cylindrical end-stop bolt B704 is in threaded fit with the threaded through hole; adjusting nut B701 is the step form, is equipped with rectangle annular B on the arc surface of little step, and the cylinder excircle of cylinder end bolt B (704) and the both sides face sliding fit of rectangle annular B are equipped with the scale on the arc surface of big step, and adjusting nut B701's terminal surface is equipped with the screw hole that link up, and adjusting bolt B702 and this screw hole screw-thread fit, and adjusting bolt B702's one end and regulating plate 502 rigid coupling.
When the steel balls 403 fall into the spherical grooves, the bottommost end of the adjusting nut A601 is higher than the upper surface of the short edge of the J-shaped support 401, so that the adjusting nut A601 does not interfere with the J-shaped support 401; and when the steel ball 403 falls into the spherical groove, the upper long waist-shaped hole 308 and the lower long waist-shaped hole 101 are overlapped up and down.
The specific working principle of the invention is as follows:
firstly, installation and adjustment: the assembled device is fixed on a workbench of a drilling machine, and four sides of the bottom plate 1 are ensured to be parallel to four sides of the workbench; then, the positioning bolt 402 is adjusted, and the adjustment criteria of the positioning bolt 402 are as follows: when the side surface of the swing plate 301 is in contact with the end surface of the positioning bolt 402, the steel balls 403 on the short side of the J-shaped support 401 just fall into the hemispherical groove 404 on the lower arc surface of the swing plate 301; in addition, the stud 312 is adjusted to control the total length of the front push-pull rod 310 and the rear push-pull rod 311, so as to ensure the clamping force required by the movable jaw 302 and the adjusting jaw 318 to clamp the workpiece; in addition, the two countersunk head bolts 408 are loosened, the adjusting base 501 is pushed according to the size of the workpiece, the position of the drill bushing 2 is roughly adjusted, the adjusting base 501 is locked, the two adjusting nuts are respectively rotated, the adjusting jaw 318 and the adjusting plate 502 are adjusted, the position of the drill bushing 2 is finely adjusted, and the position accuracy of the workpiece is ensured.
Secondly, clamping the workpiece: a workpiece is placed in a tight contact manner with the adjusting jaw 318, an operator holds the workpiece with one hand, pushes the handle 317 with the other hand, and drives the rear push-pull rod 311 and the front push-pull rod 310 to continuously push the movable jaw 302 to move towards the end of the adjusting jaw 318 under the action of the meshing of the eccentric sector gear 305 and the spur gear 304 and the pressure of the large compression spring 303 in the process of pushing the handle 317, so that the workpiece is gradually clamped, and when the steel ball 403 falls into the hemispherical groove 404, the operator releases the handle 317 and the workpiece; starting a drilling machine and performing drilling work;
thirdly, disassembling the workpiece: after the drilling machine is shut down, an operator holds the workpiece with one hand and pulls the handle 317 with the other hand in the opposite direction, so that the steel balls 403 are separated from the spherical grooves, and under the tension of the large compression spring 303 and the meshing action of the eccentric sector gear 305 and the spur gear 304, the rear push-pull rod 311 and the front push-pull rod 310 are driven to continuously pull the movable jaw 302 to move towards the end far away from the adjusting jaw 318, so that the workpiece can be loosened.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. An oscillating drilling apparatus, characterized in that: the device comprises a bottom plate (1), a drill bushing (2), a clamping mechanism (3) for clamping a workpiece, a locking mechanism (4) for locking the clamping mechanism (3) and an adjusting mechanism (5) for adjusting the position of the drill bushing (2);
the clamping mechanism (3) comprises a swinging plate (301), a movable jaw (302), an adjusting jaw (318), a large compression spring (303), a push-pull rod assembly, a straight gear (304) and an eccentric sector gear (305); the eccentric sector gear (305) is lifted and fixedly connected above the bottom plate (1) through a rotating shaft (306), and one end of the swinging plate (301) is rotatably connected with the rotating shaft (306) at the bottom of the eccentric sector gear (305); the upper end of the swing plate (301) is fixedly connected with two supporting seats (307), the push-pull rod assembly is slidably connected to the supporting seats (307), the straight gear (304) is rotatably connected to one end of the push-pull rod assembly, the eccentric sector gear (305) is meshed with the straight gear (304), and the large compression spring (303) is sleeved on the outer side of the push-pull rod assembly between the straight gear (304) and the first supporting seat (307); the movable jaw (302) and the adjusting jaw (318) are connected to the swinging plate (301) in a sliding mode, an upper long waist-shaped hole (308) is formed in the swinging plate (301) below the movable jaw (302) and the adjusting jaw (318), the movable jaw (302) is fixedly connected to one end of the push-pull rod assembly, and a fine adjusting mechanism A (6) is arranged on the rear side of the adjusting jaw (318);
the locking mechanism (4) comprises a J-shaped support (401), a positioning bolt (402) and a steel ball (403); the J-shaped support (401) is fixedly connected to one corner of the upper part of the bottom plate (1), and a lower long waist-shaped hole (101) is formed in the bottom plate (1) on the inner side of the J-shaped support (401); the positioning bolt (402) is arranged on the inner side surface of the long side of the J-shaped support (401), the steel ball (403) is arranged on the inner side surface of the short side of the J-shaped support (401) in a protruding mode, the steel ball (403) is sprung back into the J-shaped support (401) after being stressed, and a hemispherical groove (404) matched with the steel ball (403) is formed in the end face of the swinging plate (301);
the adjusting mechanism (5) comprises an adjusting base (501) and an adjusting plate (502); the adjusting base (501) is U-shaped, the upper surface of the adjusting base is a step surface, and the adjusting base is slidably or fixedly connected to the upper surface of the long edge of the J-shaped support (401); adjusting plate (502) sliding connection is in the lower extreme of adjusting base (501) step face, be equipped with through-hole a (503) on adjusting plate (502), drill bushing (2) and through-hole a (503) interference fit, and the rear side of adjusting plate (502) is equipped with fine tuning B (7).
2. The oscillating drilling device of claim 1, wherein: the bottom plate (1) and the swinging plate (301) are both rectangular, a through hole b (102) is formed in the bottom plate (1), and a through hole c (309) is formed in one end of the swinging plate (301); the rotating shaft (306) is in a three-stage step shape, the large end of the rotating shaft is fixedly connected in the through hole b (102), and the eccentric hole in the eccentric sector gear (305) is fixedly connected at the small end of the rotating shaft (306); a bearing is arranged in the through hole c (309), the outer ring of the bearing is in interference fit with the through hole c (309), and the inner hole of the bearing is in interference fit with the middle part of the rotating shaft (306); the upper surface of the swing plate (301) is provided with a through dovetail groove, and the lower surfaces of the movable jaw (302) and the adjusting jaw (318) are provided with two dovetails which are in sliding fit with the dovetail groove on the swing plate (301).
3. The oscillating drilling device of claim 2, wherein: the push-pull rod assembly comprises a front push-pull rod (310), a rear push-pull rod (311) and a stud bolt (312); a through hole d (313) and a through hole e (314) are formed in the supporting seat (307), the front push-pull rod (310) and the rear push-pull rod (311) are respectively connected in a sliding mode in the through hole d (313) and the through hole e (314), and a right-handed thread blind hole and a left-handed thread blind hole are respectively formed in the end faces, opposite to the front push-pull rod (310), of the rear push-pull rod (311); the two ends of the double-head screw are respectively provided with left-hand threads and right-hand threads, and the two ends of the double-head screw are respectively in threaded fit with the left-hand thread blind holes and the right-hand thread blind holes.
4. The oscillating drilling device of claim 3, wherein: one end of the rear push-pull rod (311) is fixedly connected with a rectangular gear seat (315), one end, close to the eccentric sector gear (305), of the gear seat (315) is provided with a rectangular groove and a fillet, the straight gear (304) is in clearance fit with the rectangular groove, one end, far away from the eccentric sector gear (305), of the gear seat (315) is provided with a blind hole, the blind hole is fixedly connected with one end of the rear push-pull rod (311), the upper surface of the gear seat (315) is provided with a vertical through hole f, the T-shaped bolt (316) is in interference fit with the through hole f, and an inner hole of the straight gear (304) is rotatably connected to the outer wall of a small cylinder of the T-shaped bolt (316; the large compression spring (303) is sleeved outside the rear push-pull rod (311), one end of the large compression spring (303) is abutted against the gear seat (315), and the other end of the large compression spring is abutted against the supporting seat (307).
5. The oscillating drilling device of claim 2, wherein: one end of the swinging plate (301) is in a semicircular convex arc surface, the hemispherical groove (404) is arranged in the middle of the semicircular convex arc surface, a blind hole is formed in one side, away from the J-shaped support (401), of the semicircular convex arc surface, and a handle (317) is fixedly connected in the blind hole; the joint of the long side and the short side of the J-shaped support (401) is a concave arc surface, a through inner arc threaded hole (405) is formed in the inner side surface of the short side, a steel ball (403), a small compression spring (406) and a locking bolt (407) are arranged in the inner arc threaded hole (405), and the steel ball (403) and the small compression spring (406) slide in the inner arc threaded hole (405).
6. The oscillating drilling device of claim 5, wherein: two countersunk through holes are formed in the middle of the adjusting base (501), countersunk bolts (408) in the countersunk through holes are in threaded fit with the T-shaped block (409), and the T-shaped block (409) is in sliding fit with the T-shaped through groove in the upper surface of the J-shaped support (401); dovetail grooves are formed in the upper surfaces of the rectangular bodies on the two sides of the adjusting base (501), dovetails are formed in the bottoms of the two sides of the adjusting plate (502) and are in sliding fit with the dovetail grooves in the adjusting base (501).
7. The oscillating drilling device of claim 5, wherein: the fine adjustment mechanism A (6) comprises an adjusting nut A (601) and an adjusting bolt A (602), a fine adjustment support (603) is arranged on the upper surface of the arc end of the swinging plate (301), a through hole g (604) is formed in the rear side of the fine adjustment support (603), the through hole g (604) is in rotating fit with the outer circle of the adjusting nut A (601), a threaded through hole penetrating through the through hole g (604) is formed in the upper surface of the fine adjustment support (603), and a cylindrical stop bolt A (605) is in threaded fit with the threaded through hole; adjusting nut A (601) is the step form, is equipped with rectangle annular A (606) on the arc surface of little step, and the cylinder excircle of cylinder end bolt A (605) and the both sides face sliding fit of rectangle annular A (606) are equipped with the scale on the arc surface of big step, and the terminal surface of adjusting nut A (601) is equipped with the screw hole that link up, adjusting bolt A (602) and this screw hole screw-thread fit, and the one end and the regulation of adjusting bolt A (602) keep silent (318) rigid coupling.
8. The oscillating drilling device of claim 5, wherein: the fine adjustment mechanism B (7) comprises an adjusting nut B (701) and an adjusting bolt B (702), a through hole h (703) is formed in the middle of the adjusting base (501), the through hole h (703) is in rotating fit with the outer circle of the adjusting nut B (701), a threaded through hole penetrating through the through hole h (703) is formed in the upper surface of the adjusting base (501), and a cylindrical end-stop bolt B (704) is in threaded fit with the threaded through hole; adjusting nut B (701) is the step form, is equipped with rectangle annular B on the arc surface of little step, and the cylinder excircle of cylinder end bolt B (704) and the both sides face sliding fit of rectangle annular B are equipped with the scale on the arc surface of big step, and the terminal surface of adjusting nut B (701) is equipped with the screw hole that link up, and adjusting bolt B (702) and this screw hole screw-thread fit, and the one end and the regulating plate (502) rigid coupling of adjusting bolt B (702).
9. The oscillating drilling device of claim 7, wherein: when the steel balls (403) fall into the spherical grooves, the bottommost end of the adjusting nut A (601) is higher than the upper surface of the short side of the J-shaped support (401).
10. The oscillating drilling device of claim 7, wherein: when the steel balls (403) fall into the spherical grooves, the upper long waist-shaped hole (308) and the lower long waist-shaped hole (101) are overlapped up and down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682789.9A CN111975029B (en) | 2020-07-15 | 2020-07-15 | Oscillating drilling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682789.9A CN111975029B (en) | 2020-07-15 | 2020-07-15 | Oscillating drilling equipment |
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| CN111975029A CN111975029A (en) | 2020-11-24 |
| CN111975029B true CN111975029B (en) | 2021-06-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10015789A1 (en) * | 2000-03-30 | 2001-10-18 | Franz Nowotny | Assembly for grinding and sharpening a drill bit has a holder on a swing mounting at the support body to give an adjustable angle between the drill tip and the grinding disk |
| CN104708056A (en) * | 2013-12-12 | 2015-06-17 | 铜陵市永生机电制造有限责任公司 | Swing drill clamp |
| CN205673627U (en) * | 2016-06-13 | 2016-11-09 | 苏州三耐斯电加工配件有限公司 | Drilling machine |
| CN208033706U (en) * | 2018-02-28 | 2018-11-02 | 郑州四维机电装备制造有限公司 | A kind of drilling device |
-
2020
- 2020-07-15 CN CN202010682789.9A patent/CN111975029B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10015789A1 (en) * | 2000-03-30 | 2001-10-18 | Franz Nowotny | Assembly for grinding and sharpening a drill bit has a holder on a swing mounting at the support body to give an adjustable angle between the drill tip and the grinding disk |
| CN104708056A (en) * | 2013-12-12 | 2015-06-17 | 铜陵市永生机电制造有限责任公司 | Swing drill clamp |
| CN205673627U (en) * | 2016-06-13 | 2016-11-09 | 苏州三耐斯电加工配件有限公司 | Drilling machine |
| CN208033706U (en) * | 2018-02-28 | 2018-11-02 | 郑州四维机电装备制造有限公司 | A kind of drilling device |
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|---|---|
| CN111975029A (en) | 2020-11-24 |
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Application publication date: 20201124 Assignee: HUAIAN CHANGLI TOOL MANUFACTURING Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2021980007224 Denomination of invention: Swing type drilling device Granted publication date: 20210622 License type: Common License Record date: 20210803 |
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