CN209935922U

CN209935922U - Chuck of drilling machine support and drilling machine support

Info

Publication number: CN209935922U
Application number: CN201920654147.0U
Authority: CN
Inventors: 陈越
Original assignee: Hangzhou Hundred Control Industrial Co Ltd
Current assignee: Hangzhou Hundred Control Industrial Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-14
Anticipated expiration: 2029-05-08

Abstract

The application discloses a chuck of a drill support and the drill support, wherein the chuck comprises a first part and a second part, the first part comprises a dovetail connecting block and a first clamping groove, the second part comprises a second clamping groove, one end of the second part is rotatably arranged on the first part, and the other end of the second part is detachably connected with the first part through a fastener; the first clamping groove and the second clamping groove are both semicircular, the first clamping groove and the second clamping groove are matched with each other to form a circular hole structure after the other end of the second part is connected with the first part, or the first clamping groove and the second clamping groove are both U-shaped structures, and the first clamping groove and the second clamping groove are matched with each other to form a rectangular hole structure after the other end of the second part is connected with the first part. The first clamping groove and the second clamping groove are matched with each other to be used for clamping the drilling machine, the first portion and the second portion can be opened or closed through the dismounting and mounting of the fastening piece, and the use is convenient.

Description

Chuck of drilling machine support and drilling machine support

Technical Field

The utility model relates to the field of mechanical equipment, concretely relates to chuck and rig support of rig support.

Background

A drill stand is typically provided to cooperate with a drill to perform a drilling operation, the drill stand typically including a column and a lift block movably mounted on the column, the drill being mounted on the lift block by a chuck.

The existing chuck is connected with a drilling machine more complexly, and the drilling machine is inconvenient to disassemble and assemble with the chuck.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the chuck and the rig support of rig support have been proposed.

The utility model adopts the following technical scheme:

a chuck of a drill stand comprises a first part and a second part, wherein the first part comprises a dovetail connecting block and a first clamping groove, the second part comprises a second clamping groove, one end of the second part is rotatably arranged on the first part, and the other end of the second part is detachably connected with the first part through a fastener; the first clamping groove and the second clamping groove are both semicircular, the first clamping groove and the second clamping groove are matched with each other to form a circular hole structure after the other end of the second part is connected with the first part, or the first clamping groove and the second clamping groove are both U-shaped structures, and the first clamping groove and the second clamping groove are matched with each other to form a rectangular hole structure after the other end of the second part is connected with the first part.

The first clamping groove and the second clamping groove are matched with each other to be used for clamping a drilling machine (particularly a handheld drilling machine), the first part and the second part can be opened or closed by disassembling and assembling the fastening piece, and the use is convenient.

In one embodiment of the present invention, the first portion has a protrusion, the second portion also has a protrusion, the protrusion has a through hole, the fastening member includes a first bolt and a first nut, and the first bolt is connected to the first nut after passing through the through hole.

In one embodiment of the present invention, one of the bumps has an anti-rotation groove, the head of the first bolt is embedded into the anti-rotation groove, and the first bolt and the anti-rotation groove are relatively fixed in the circumferential direction.

The first bolt of the structure can not rotate relative to the lug, so that only the first nut needs to be screwed or loosened, and the whole dismounting work is very convenient.

The application also discloses a drill rig support, which comprises the chuck.

In one embodiment of the present invention, the device further comprises a lifting seat, and the chuck is detachably mounted on the lifting seat; the lifting seat is provided with a first mounting groove, clamping plates are respectively arranged on two sides of the first mounting groove, each clamping plate is provided with an inclined plane corresponding to the side wall of the dovetail connecting block, two inclined planes form a dovetail groove matched with the dovetail connecting block, and the lifting seat further comprises a clamping screw connected with the lifting seat through threads, one end of each clamping screw is connected with the corresponding clamping plate, and the clamping screw drives the corresponding clamping plate to move so that the clamping plates clamp or release the dovetail connecting block.

Through the cooperation of dovetail connection piece and two splint, can make dovetail connection piece convenient and fast insert first mounting groove in, and can drive through pressing from both sides tight screw rod and correspond the splint activity, make splint press from both sides tightly or release dovetail connection piece to reliably injecing dovetail connection piece.

The utility model has the advantages that: the first clamping groove and the second clamping groove are matched with each other to be used for clamping a drilling machine (particularly a handheld drilling machine), the first part and the second part can be opened or closed by disassembling and assembling the fastening piece, and the use is convenient.

Description of the drawings:

FIG. 1 is a schematic structural view of a drill stand according to the present invention;

FIG. 2 is a partial exploded view of the drill rig mast of the present invention;

FIG. 3 is a partial exploded view of the column and the lifting base of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is a partial exploded view of another angle of the column and seat of the present invention;

FIG. 6 is a cross-sectional view of the slide mount;

FIG. 7 is a schematic view of a chuck in accordance with embodiment 2;

figure 8 is a schematic view of the chuck mounted on the elevator base.

The figures are numbered:

1. a base; 2. a column; 3. a lifting seat; 4. a chuck; 5. a rack; 6. a first chute; 7. A locking plate; 8. a locking end; 9. teeth; 10. a control panel button; 11. a bending section; 12. a dovetail connecting block; 13. a first mounting groove; 14. a splint; 15. an inclined surface; 17. clamping the screw rod; 18. a groove; 19. a first body; 20. a small diameter section; 21. a first limit step; 22. an anti-drop part; 23. positioning a groove; 24. a connecting port; 25. a first guide rail; 26. a first mating surface; 27. a second mating surface; 28. A trapezoidal groove; 29. a bottom surface; 30. a bevel; 31. a first roller; 32. a second roller; 33. a torus; 34. a conical torus; 35. a cylindrical portion; 36. a first gear shaft; 37. a first gear; 38. A first drive gear; 39. a second gear shaft; 40. a second gear; 41. a drive element; 42. installing a sleeve; 43. a control lever; 44. a connecting end; 45. a drive shaft; 46. a second transmission gear; 47. a first portion; 48. a second portion; 49. a first card slot; 50. a second card slot; 52. a bump; 53. a first bolt; 54. a first nut; 55. an anti-rotation slot; 56. a second guide rail; 57. a sliding seat; 58. a support bar; 59. a guide groove; 60. a second body; 61. a limiting arm; 62. a second bolt; 63. a second nut; 64. a return spring; 65. and adjusting the handle.

The specific implementation mode is as follows:

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

As shown in fig. 1, the present embodiment discloses a drill stand, which includes a base 1, a column 2 and a lifting seat 3, wherein the lower end of the column 2 is connected to the base 1, a chuck 4 is mounted on the lifting seat 3, and the chuck 4 is used for mounting a drill.

As shown in fig. 1 and 2, the drill stand of the present embodiment includes a rack 5 locking mechanism, and the rack 5 locking mechanism includes:

the vertical column 2 is fixedly provided with a rack 5;

the lifting seat 3 is movably arranged on the upright post 2 and can move up and down relative to the upright post 2, a first sliding groove 6 is formed in the lifting seat 3, and the length direction of the first sliding groove 6 is perpendicular to the length direction of the rack 5;

locking plate 7, the slip sets up on first spout 6, and the one end of locking plate 7 is locking end 8, and locking plate 7 has locking position of work and unblock position, and when locking position of work, locking end 8 of locking plate 7 is located between two teeth 9 of rack 5 for make lift seat 3 lock on stand 2, when unblock position, locking end 8 of locking plate 7 slides away from rack 5, and lift seat 3 can reciprocate relative stand 2.

When the lifting seat 3 needs to be locked, only the locking plate 7 needs to be pushed, so that the locking end 8 of the locking plate 7 is positioned between the two teeth 9 of the rack 5, otherwise, only the locking end 8 of the locking plate 7 needs to slide away from the rack 5, the lifting seat 3 can move up and down relative to the upright post 2, and the switching of two working positions can be realized through the movement of the locking plate 7 in the first sliding groove 6, so that the locking structure is simple and reliable.

As shown in fig. 1 and 2, in the present embodiment, the locking end 8 of the locking plate 7 has a toothed structure. The toothed structure facilitates the sliding of the locking end 8 of the locking plate 7 between the two teeth of the rack 5.

As shown in fig. 1 and 2, in the present embodiment, the cross-section of the locking end 8 of the locking plate 7 is a triangular structure.

As shown in fig. 1 and 2, in the present embodiment, a control panel button 10 fixed to the locking plate 7 is further included, and both ends of the control panel button 10 have bent portions 11. The control panel knob 10 with two bending parts 11 is provided, so that the left and right sliding of the locking plate 7 can be conveniently controlled. In actual operation, the finger presses the corresponding bending part 11, and after exerting force, the control panel button 10 and the locking panel 7 are driven to slide.

As shown in fig. 1 and 2, the drill stand of the present embodiment includes a connection structure of a lifting seat 3 and a chuck 4, the connection structure of the lifting seat 3 and the chuck 4 includes the lifting seat 3 and the chuck 4, the chuck 4 is used for fixing with a drill, one end of the chuck 4 has a dovetail connection block 12, a first mounting groove 13 is provided on the lifting seat 3, two sides of the first mounting groove 13 are respectively provided with a clamping plate 14, the clamping plate 14 has an inclined surface 15 corresponding to the side wall of the dovetail connection block 12, the two inclined surfaces 15 form a dovetail groove (not shown in the figure) matching with the dovetail connection block 12, the connection structure further includes a clamping screw 17 in threaded connection with the lifting seat 3, one end of the clamping screw 17 is connected with the corresponding clamping plate 14, the clamping plate 14 is driven to move by rotating the clamping screw 17, so that the clamping plate 14 clamps or releases.

Through the cooperation of dovetail joint block 12 and two splint 14, can make dovetail joint block 12 convenient and fast insert first mounting groove 13, and can drive through clamping screw 17 and correspond the splint 14 activity, make splint 14 press from both sides tightly or release dovetail joint block 12 to reliably injecing dovetail joint block 12. The connecting structure is convenient, rapid, reliable and simple to operate.

As shown in fig. 2, in the present embodiment, the first mounting groove 13 has grooves 18 on both sides thereof, and the two clamping plates 14 are respectively fitted in the corresponding grooves 18. The provision of the recess 18 provides a restraining effect on the clamping plate 14 and provides a more reliable overall structure.

As shown in fig. 2, in the present embodiment, the clamping screw 17 includes a first body 19 and a small-diameter section 20 connected to the first body 19, a first limiting step 21 is provided between the first body 19 and the small-diameter section 20, an end of the small-diameter section 20 has a disengagement preventing portion 22, and a length of the small-diameter section 20 is greater than a thickness of the chuck 4; the side wall of the dovetail connecting block 12 matched with the inclined surface 15 is provided with a positioning groove 23; when the clamping screw 17 is locked, the first limit step 21 abuts against the corresponding clamping plate 14, and the end part of the small-diameter section 20 extends into the corresponding positioning groove 23. Through the cooperation of the small diameter section 20 and the positioning groove 23, the dovetail connecting block 12 cannot be separated along the direction of the inclined surface 15 when clamping is carried out, and the whole connecting structure is very reliable.

As shown in fig. 2, in the present embodiment, the clamping plate 14 has a connecting port 24, and the size of the opening of the connecting port 24 is larger than the outer diameter of the small diameter section 20 and smaller than the outer diameter of the retaining portion 22, so that when the clamping screw 17 is unscrewed, the retaining portion 22 drives the clamping plate 14 to move to the side away from the dovetail joint 12. The connecting hole is arranged, and the size of the opening of the connecting hole 24 is larger than the outer diameter of the small-diameter section 20 and smaller than the outer diameter of the anti-falling part 22, so that the structure is convenient for the small-diameter section 20 to be quickly connected with the clamping plate 14; in combination with the groove 18 structure of the first mounting groove 13, the clamping plate 14 can not be separated from the locking screw while the quick connection is realized (the groove 18 plays a limiting role, and the small-diameter section 20 is prevented from being separated from the connecting port 24).

As shown in fig. 3, 4 and 5, the drill stand of the present embodiment includes a rolling structure of the lifting seat 3 and the upright 2, the rolling structure of the lifting seat 3 and the upright 2 includes the upright 2 and the lifting seat 3 movably disposed on the upright 2, the upright 2 includes a first guide rail 25, the first guide rail 25 includes a first mating surface 26 and a second mating surface 27 which are away from each other, the second mating surface 27 has a trapezoidal groove 28, the trapezoidal groove 28 includes a bottom surface 29 located in the middle and inclined surfaces 30 located on both sides of the bottom surface 29;

the lifting seat 3 is provided with a plurality of groups of roller groups matched with the first guide rail 25, and each group of roller groups comprises:

a first roller 31 disposed on the first engagement surface 26 side, the first roller 31 being in rolling engagement with the second engagement surface 27;

the second roller 32 is disposed on the second mating surface 27, the second roller 32 includes a circular ring surface 33 and two tapered ring surfaces 34 located on two sides of the circular ring surface 33, the circular ring surface 33 is mated with the bottom surface 29 of the trapezoidal groove 28, the two tapered ring surfaces 34 are respectively mated with the corresponding inclined surfaces 30, and the second roller 32 and the first roller 31 are mated with each other and clamped on two sides corresponding to the first guide rail 25.

Rolling friction can be realized through the roller group, and the friction force is small, so that the lifting seat 3 can be lifted up and down along the first guide rail 25 conveniently; the second roller 32 and the first roller 31 are matched with each other and clamped on two sides of the corresponding first guide rail 25, so that the reliability of the rollers in the radial direction can be guaranteed, the circular ring surface 33 of the second roller 32 is matched with the bottom surface 29 of the trapezoidal groove 28, the two conical circular ring surfaces 34 are respectively matched with the corresponding inclined surfaces 30, the rollers can be prevented from moving in the axial direction, and the accuracy of the rollers in the axial direction can be guaranteed. Therefore, the rolling structure is good in position precision, and the position accuracy of drilling can be guaranteed.

As shown in fig. 3 and 4, in the present embodiment, the second roller 32 further has a cylindrical portion 35, and the cylindrical portion 35 is in rolling engagement with the first engagement surface 26.

In actual use, there are a plurality of first guide rails 25, and the first guide rails 25 are arranged in parallel. As shown in fig. 3, in the present embodiment, there are two first guide rails 25, and there are four roller sets, and each first guide rail 25 is matched with two roller sets.

As shown in fig. 3, the drilling machine support of this embodiment includes the drive structure of lifting seat 3 and stand 2, and the drive structure of lifting seat 3 and stand 2 includes stand 2 and the lift seat 3 of activity setting on stand 2, is fixed with rack 5 on stand 2, rotates on the lift seat 3 and installs:

a first gear shaft 36 to which a first gear 37 and a first transmission gear 38 are attached, the first gear 37 being engaged with the rack 5;

a second gear shaft 39, on which a second gear 40 is mounted, the second gear 40 being directly or indirectly engaged with the first transmission gear 38 through another gear, the transmission ratio of the second gear 40 to the first transmission gear 38 being different from 1;

the driving structure further comprises a driving element 41, and the driving element 41 is used for alternatively matching with the first gear shaft 36 or the second gear shaft 39 to drive the corresponding gear shaft to rotate.

Through setting up first gear axle 36, second gear axle 39, first gear 37, second gear 40 and first drive gear 38 for the drive structure has two grades, and the selection of selecting through drive element 41 and first gear axle 36 or second gear axle 39 cooperation realization gear, selects suitable gear according to the fragment of brick condition during the in-service use, convenient to use, it is effectual.

As shown in fig. 2 and 3, in the present embodiment, the driving member 41 includes a mounting sleeve 42 and a control rod 43 mounted on the mounting sleeve 42, and the mounting sleeve 42 is adapted to be fitted over an end portion of the first gear shaft 36 or the second gear shaft 39. The mounting sleeve 42 can be mounted or dismounted quickly, and the gear adjustment is very convenient.

As shown in fig. 3, in the present embodiment, the ends of the first gear shaft 36 and the second gear shaft 39, which are engaged with the mounting sleeve 42, are connection ends 44, the cross section of the connection ends 44 is not circular, and the shape of the inner side wall of the mounting sleeve 42 is matched with the connection ends 44.

As shown in fig. 3, in the embodiment, a transmission shaft 45 is further rotatably installed on the lifting seat 3, a second transmission gear 46 is installed on the transmission shaft 45, the second gear 40 is engaged with the second transmission gear 46, and the first transmission gear 38 is engaged with the second transmission gear 46.

As shown in fig. 3, in the present embodiment, the transmission ratio between the second gear 40 and the second transmission gear 46 is 1: 2, the transmission ratio of the first transmission gear 38 to the second transmission gear 46 is 1: 1. in practice, when drilling a large hole, the driving element 41 is selected to be matched with the second gear shaft 39, so that the operation is more labor-saving, and when drilling a small hole, the driving element 41 is selected to be matched with the first gear shaft 36, so that the drilling is faster.

As shown in fig. 1, 2 and 6, the drill stand of the present embodiment includes an angle adjusting structure of the drill stand, the angle adjusting structure of the drill stand including:

a base 1;

the lower end of the upright post 2 is rotatably arranged on the base 1, and a second guide rail 56 is arranged on the upright post 2;

a sliding seat 57, which is in sliding positioning fit with the second guide rail 56;

one end of the support rod 58 is rotatably fitted to the base 1, and the other end is rotatably fitted to the sliding seat 57.

The stand 2 end is rotated and is installed on base 1, bracing piece 58 one end and base 1 normal running fit, the other end and sliding seat 57 normal running fit, and sliding seat 57 and second guide rail 56 sliding positioning cooperation, and this kind of structure makes stand 2 base 1 angle regulation relatively, and after adjusting to the right place, through fixing a position sliding seat 57 and can make stand 2 keep at the angle of settlement. The stand 2 can angle regulation, consequently can beat the hole that has inclination, and the function of rig support is more comprehensive. In actual use, the upright post 2 can be inclined by 45 degrees.

As shown in fig. 6, in the present embodiment, the second guide rail 56 has two guide grooves 59, and the sliding seat 57 includes:

the second body 60 is provided with a pair of limiting arms 61, and one ends of the two limiting arms 61 respectively extend into the corresponding guide grooves 59 and are matched with the guide grooves 59;

the head of the second bolt 62 is abutted against one limiting arm 61, and the rod part of the second bolt passes through the two limiting arms 61;

and the second nut 63 is connected with the rod part of the second bolt 62 and used for locking the two limiting arms 61 or releasing the two limiting arms 61, when the limiting arms 61 are locked, the limiting arms 61 clamp the second guide rail 56, the sliding seat 57 is fixed relative to the second guide rail 56, when the limiting arms 61 are released, the limiting arms 61 no longer clamp the second guide rail 56, and the sliding seat 57 can slide up and down relative to the second guide rail 56.

Through the cooperation of spacing arm 61 and guide way 59, can realize sliding fit or the relative fixed of sliding seat 57 with second guide rail 56, through the cooperation of second bolt 62 and second nut 63, adjust sliding seat 57 convenient and fast.

As shown in fig. 6, in the present embodiment, the sliding seat 57 further includes a return spring 64, the return spring 64 is sleeved in the second bolt 62, two ends of the return spring 64 are respectively engaged with the two limiting arms 61, and the return spring 64 is used for moving the two limiting arms 61 away from each other when the second nut 63 rotates to release the two limiting arms 61. The slide holder 57 can be made to work better by providing the return spring 64, and the switching from the locked state to the released state can be made quickly.

As shown in fig. 1, 2 and 6, in the present embodiment, the movable seat further includes an adjusting handle 65 fixed on the second body 60. The adjusting handle 65 is provided to facilitate adjustment of the up-and-down position of the sliding seat 57, i.e., the tilt angle of the upright 2.

Example 2

The present embodiment is different from embodiment 1 in that the chuck 4 includes, as shown in fig. 7 and 8, a first portion 47 and a second portion 48, the first portion 47 includes a dovetail joint block 12 and a first engaging groove 49, the second portion 48 includes a second engaging groove 50, one end of the second portion 48 is rotatably mounted on the first portion 47, and the other end is detachably connected to the first portion 47 by a fastener; the first engaging groove 49 and the second engaging groove 50 are both semicircular, and after the other end of the second portion 48 is connected with the first portion 47, the first engaging groove 49 and the second engaging groove 50 are matched with each other to form a circular hole structure.

The first clamping groove 49 and the second clamping groove 50 are mutually matched for clamping a drilling machine (particularly a handheld drilling machine), the first part 47 and the second part 48 can be opened or closed by disassembling and assembling the fasteners, and the use is convenient.

In other embodiments, the first engaging groove 49 and the second engaging groove 50 are both U-shaped, and the other end of the second portion 48 is connected to the first portion 47, so that the first engaging groove 49 and the second engaging groove 50 cooperate to form a rectangular hole structure.

As shown in fig. 7, in the present embodiment, the first portion 47 has a protrusion 52, the second portion 48 also has a protrusion 52, the protrusion 52 has a through hole (not shown), the fastening member includes a first bolt 53 and a first nut 54, and the first bolt 53 is connected to the first nut 54 after passing through the through hole.

As shown in fig. 7, in the present embodiment, one of the protrusions 52 has an anti-rotation groove 55, the head of the first bolt 53 is inserted into the anti-rotation groove 55, and the first bolt 53 and the anti-rotation groove 55 are fixed relatively in the circumferential direction. With the structure, the first bolt 53 cannot rotate relative to the lug 52, so that the first nut 54 only needs to be screwed or loosened, and the whole disassembly and assembly work is very convenient.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The chuck of the drill support is characterized by comprising a first part and a second part, wherein the first part comprises a dovetail connecting block and a first clamping groove, the second part comprises a second clamping groove, one end of the second part is rotatably arranged on the first part, and the other end of the second part is detachably connected with the first part through a fastener; the first clamping groove and the second clamping groove are both semicircular, the first clamping groove and the second clamping groove are matched with each other to form a circular hole structure after the other end of the second part is connected with the first part, or the first clamping groove and the second clamping groove are both U-shaped structures, and the first clamping groove and the second clamping groove are matched with each other to form a rectangular hole structure after the other end of the second part is connected with the first part.

2. The chuck for a drill chuck according to claim 1, wherein said first portion has a projection and said second portion also has a projection, said projection having a through hole, and said fastener comprises a first bolt and a first nut, said first bolt passing through said through hole and being connected to said first nut.

3. The chuck for a drill stand according to claim 2, wherein one of the projections has an anti-rotation groove, and a head of the first bolt is fitted into the anti-rotation groove, and the first bolt and the anti-rotation groove are relatively fixed in a circumferential direction.

4. A drill stand, comprising a chuck according to any one of claims 1 to 3.

5. The drill stand of claim 4, further comprising a lift block, wherein the collet is removably mounted to the lift block; the lifting seat is provided with a first mounting groove, clamping plates are respectively arranged on two sides of the first mounting groove, each clamping plate is provided with an inclined plane corresponding to the side wall of the dovetail connecting block, two inclined planes form a dovetail groove matched with the dovetail connecting block, and the lifting seat further comprises a clamping screw connected with the lifting seat through threads, one end of each clamping screw is connected with the corresponding clamping plate, and the clamping screw drives the corresponding clamping plate to move so that the clamping plates clamp or release the dovetail connecting block.