CN115502450B - Spliced drill bit and clamp thereof - Google Patents
Spliced drill bit and clamp thereof Download PDFInfo
- Publication number
- CN115502450B CN115502450B CN202211270692.2A CN202211270692A CN115502450B CN 115502450 B CN115502450 B CN 115502450B CN 202211270692 A CN202211270692 A CN 202211270692A CN 115502450 B CN115502450 B CN 115502450B
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- block
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- rod
- cutter bar
- clamping
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims description 47
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000005553 drilling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The application relates to the technical field of drilling tools, in particular to a spliced drill bit which comprises a drill bit body, a cutter bar and a connecting mechanism, wherein the connecting mechanism comprises a connecting block, a clamping block and a connecting component, the connecting block is arranged on the drill bit body, the clamping block is arranged on the connecting block, and a clamping groove which is clamped with the clamping block is formed in the cutter bar; the connecting component is arranged on the connecting block and is connected with the drill bit body. The application has the effect of saving resources.
Description
Technical Field
The application relates to the technical field of drilling tools, in particular to a spliced drill bit and a clamp thereof.
Background
The drill bit is used for punching.
In the deep hole processing process, the drill shank of the drill bit is thin and long and has poor rigidity because the difference between the depth of the hole and the diameter of the hole is large, and the drill shank is easy to vibrate in the drilling process, so that the drill bit can deviate, and the drill shank is broken.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, when the drill bit is damaged, the drill bit cannot be used continuously, and the drill bit is discarded, but the drill shank is not damaged, and when the drill bit is discarded, the drill shank which is not damaged is discarded, so that the resource waste is caused.
Disclosure of Invention
In order to save resources, the application provides a spliced drill bit and a clamp thereof.
In a first aspect, the present application provides a spliced drill bit, which adopts the following technical scheme:
the spliced drill bit comprises a drill bit body, a cutter bar and a connecting mechanism, wherein the connecting mechanism comprises a connecting block, a clamping block and a connecting assembly, the connecting block is arranged on the drill bit body, the clamping block is arranged on the connecting block, and a clamping groove which is clamped with the clamping block is formed in the cutter bar; the connecting component is arranged on the connecting block and is connected with the drill bit body.
By adopting the technical scheme, the clamping blocks on the connecting blocks are clamped with the clamping grooves, the connecting blocks are abutted against the cutter bars, and then the cutter bars and the connecting blocks are connected by the connecting components; the connecting mechanism can separate the damaged bit body from the cutter bar when the bit body is damaged, so that the aim of saving resources is fulfilled.
Optionally, the connecting assembly includes a connecting plate and a connecting bolt, the cutter bar and the connecting block are both provided with mounting grooves, one end of the connecting plate is arranged in the mounting groove of the cutter bar, and the other end of the connecting plate is arranged in the mounting groove of the connecting block; threaded holes are formed in the side wall of the mounting groove on the connecting block and the side wall of the mounting groove on the cutter bar, and first through holes are formed in two ends of the connecting plate; the connecting bolt penetrates through the first through hole and is in threaded connection with the threaded hole.
By adopting the technical scheme, one end of the connecting plate is clamped with the mounting groove on the cutter bar, and the other end of the connecting plate is clamped with the mounting groove on the connecting block; then a connecting bolt passes through a first through hole on the connecting plate and is in threaded connection with a threaded hole on the cutter bar; a connecting bolt penetrates through a first through hole on the other end of the connecting plate to be in threaded connection with a threaded hole on the connecting plate; the connecting component is simple in structure and convenient to operate.
Optionally, the cutter arbor is close to one end of connecting block is provided with first external screw thread, the cover be equipped with on the cutter arbor with first external screw thread threaded connection's lag, be provided with the second external screw thread on the connecting block, work as the connecting block passes through coupling assembling connects when on the cutter arbor, the one end of lag with first external screw thread threaded connection and other one end with second external screw thread threaded connection.
By adopting the technical scheme, the protective sleeve is in threaded connection with the first external thread on the cutter bar, then the clamping block is clamped with the clamping groove, the cutter bar and the connecting block are connected through the connecting component, and finally the protective sleeve is moved towards the direction close to the connecting block, so that the protective sleeve is in threaded connection with the second external thread on the connecting block; the lag that sets up can improve the stability when connecting block and cutter arbor are connected.
In a second aspect, the present application provides a fixture according to the following technical solution:
the fixture comprises a fixing seat, a fixing block and a clamping mechanism, wherein a placing groove is formed in the fixing seat, and one end, away from the connecting block, of the cutter bar is positioned in the placing groove; the fixed block is arranged at one end of the cutter bar far away from the connecting block, and the fixed block is abutted against the fixed seat; the clamping mechanism comprises two clamping blocks and an adjusting assembly, the two clamping blocks are respectively arranged on the fixed seats on two sides of the placing groove in a sliding manner, and the fixed blocks are provided with clamping grooves which are clamped with the clamping blocks; the adjusting component is arranged on the fixing seat and connected with the two clamping blocks.
Through adopting above-mentioned technical scheme, stretch the one end of cutter arbor into the standing groove to make the fixed block conflict fixing base, then start adjusting part again, adjusting part drives two grip blocks and does opposite movement, makes two grip blocks respectively with two grip grooves joint on the fixed block.
Optionally, the fixing base is provided with a reinforcing mechanism, the reinforcing mechanism comprises a reinforcing rod and an adjusting component, the fixing block is provided with a second through hole communicated with the clamping groove, the reinforcing rod is slidably arranged on the fixing base, the reinforcing rod penetrates through the second through hole, and the reinforcing rod is provided with a third through hole for the clamping block to penetrate through; the adjusting component is arranged on the fixing seat and is connected with the reinforcing rod.
By adopting the technical scheme, after the fixed block is abutted against the fixed seat, the adjusting component is used for driving the reinforcing rod to move, so that the reinforcing rod passes through the second through hole on the fixed block, and the third through hole on the reinforcing rod is communicated with the clamping groove; then starting an adjusting component to enable the clamping block to be clamped with the clamping groove, and enabling the clamping block to pass through a third through hole on the reinforcing rod; the reinforcing mechanism that sets up can improve the stability of cutter arbor on the fixing base.
Optionally, the cross sections of the placing groove and the cutter bar are circular, a cavity is formed in the fixing seat, a fourth through hole communicated with the cavity is formed in the fixing seat, the reinforcing rod is slidably arranged in the cavity, and one end of the reinforcing rod penetrates through the fourth through hole; the adjusting assembly comprises a first adjusting block, a second adjusting block, a first rotating shaft, a first bevel gear, a second rotating shaft, a second bevel gear, a first gear and a first rack, and the first adjusting block is fixedly arranged at one end of the cutter bar far away from the connecting block; the second adjusting block is rotatably arranged on the bottom wall of the placing groove, an adjusting groove is formed in the second adjusting block, and the first adjusting block can be positioned in the adjusting groove; the cross sections of the second adjusting block and the adjusting groove are rectangular; the first bevel gear is arranged on the first rotating shaft; the second rotating shaft is rotatably arranged in the cavity, and the second bevel gear is arranged at one end of the second rotating shaft and meshed with the first bevel gear; the first gear is arranged at the other end of the second rotating shaft, and the first rack is arranged on the reinforcing rod and meshed with the first gear.
Through adopting above-mentioned technical scheme, when the fixed block contradicts the fixing base, adjustment groove joint on first adjusting block and the second adjusting block then rotates the cutter arbor, first adjusting block on the cutter arbor drives the second adjusting block and rotates, first pivot on the second adjusting block drives first bevel gear and rotates, second bevel gear with first bevel gear meshing drives the second pivot and rotates, first gear on the second pivot drives first rack and removes, first rack drives the stiffener motion and makes the stiffener pass the second through-hole on the fixed block, then start adjusting part, make the grip block pass the third through-hole on the stiffener.
Optionally, a first chute and a second chute are formed on the side wall of the placing groove, the first chute is communicated with the second chute, the axis of the first chute is parallel to the axis of the placing groove, and the axis of the second chute is perpendicular to the axis of the placing groove; the side wall of the cutter bar is provided with a limiting rod, the first sliding groove and the second sliding groove can slide with the limiting rod, and when the limiting rod enters the second sliding groove through the first sliding groove, the fixing block is abutted against the fixing seat; when the second adjusting block rotates, the limiting rod slides in the second sliding groove.
Through adopting above-mentioned technical scheme, when the cutter arbor enters into the standing groove, slide the gag lever post into first spout, when the gag lever post enters into the second spout from first spout, the fixed block is contradicted the fixing base, the cutter arbor is contradicted the tank bottom of standing groove, first adjusting block enters into the standing groove of second adjusting block; then when the cutter bar is rotated, the limiting rod slides in the second chute; therefore, the limiting rod can limit the angle of the first adjusting block in the placing groove, and the phenomenon that the fixed block does not collide with the fixed seat can be reduced when the cutter bar rotates.
Optionally, a fifth through hole communicated with the cavity is formed in the fixing seat, a positioning mechanism is arranged on the fixing seat, the positioning mechanism comprises an adjusting rod, a second rack, a second gear, a positioning rod and a positioning bolt, one end of the adjusting rod is located in the cavity, and the other end of the adjusting rod penetrates through the fifth through hole; the second rack is arranged at one end of the adjusting rod, which is positioned in the cavity; the second gear is arranged on the first rotating shaft and meshed with the second rack; the positioning rod is arranged on the fixed seat in a sliding way, and a plurality of positioning holes which are clamped with the positioning rod are formed in the adjusting rod; the positioning bolt penetrates through the positioning rod to be in threaded connection with the fixing seat.
By adopting the technical scheme, the second rack on the adjusting rod drives the second gear to rotate, the second gear drives the first rotating shaft to rotate, and the first rotating shaft drives the second adjusting block to rotate, so that the position of the second adjusting block is adjusted, and the first adjusting block is aligned with the adjusting groove on the second adjusting block; then the positioning rod is clamped with the positioning groove, and the positioning bolt penetrates through the positioning rod to be in threaded connection with the fixing seat; then the cutter bar extends into the placing groove, and the first adjusting block enters into the adjusting groove. When the first adjusting block enters the adjusting groove, the positioning bolt is separated from the fixed seat, then the positioning rod is separated from the positioning groove on the adjusting rod, at the moment, the first adjusting block on the cutter rod drives the second adjusting block to rotate, and the reinforcing rod passes through the second through hole on the fixed block; then the positioning rod is clamped with the positioning groove on the adjusting rod, then the positioning bolt passes through the positioning rod to be in threaded connection with the fixing seat, at the moment, the third through hole on the reinforcing rod is communicated with the clamping groove, and finally the adjusting assembly is started to clamp the clamping block with the clamping groove, and the clamping block passes through the third through hole on the reinforcing rod; therefore, the positioning mechanism can not only adjust the position of the second adjusting block, but also enable the clamping block to better penetrate through the third through hole on the reinforcing rod.
Optionally, the fixing base is provided with at least two anti-shake mechanisms, the anti-shake mechanisms comprise a connecting rod, a mounting block, two anti-shake plates and a fixing assembly, the connecting rod is connected to the fixing base through the fixing assembly, the mounting block is arranged on the connecting rod, the two anti-shake plates are obliquely arranged on the same side of the mounting block, and the oblique directions of the two anti-shake plates are opposite; the two anti-shaking plates are abutted against the cutter bar, and the plurality of anti-shaking mechanisms are abutted against the side walls of the cutter bar at different heights.
By adopting the technical scheme, the cutter bar is positioned between the two anti-shaking plates, the two anti-shaking plates on the connecting block are in contact with the cutter bar, and then the connecting rod is connected to the fixing seat through the fixing component; under the action of the two anti-shaking plates, the cutter bar can reduce shaking, so that the stability of the cutter bar on the fixing seat is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the connecting mechanism can separate the damaged bit body from the cutter bar when the bit body is damaged, so that the aim of saving resources is fulfilled;
2. the gag lever post that sets up not only can inject the angle that first adjusting block entered into the standing groove, can reduce the fixed block moreover and do not contradict the phenomenon of fixing base when the cutter arbor rotates.
Drawings
FIG. 1 is a schematic view of a spliced drill bit according to an embodiment of the present application;
FIG. 2 is a schematic view of a structure of a clamp according to an embodiment of the present application;
FIG. 3 is a schematic view of a placement groove according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a positioning mechanism according to an embodiment of the application.
Reference numerals: 11. a bit body; 12. a cutter bar; 121. a clamping groove; 122. a mounting groove; 123. a first external thread; 2. a connecting mechanism; 21. a connecting block; 211. a second external thread; 22. a clamping block; 23. a connection assembly; 231. a connecting plate; 232. a connecting bolt; 3. a protective sleeve; 4. a fixing seat; 41. a placement groove; 42. a cavity; 44. a first chute; 45. a second chute; 5. a fixed block; 51. a clamping groove; 52. a second through hole; 6. a clamping mechanism; 61. a clamping block; 62. an adjustment assembly; 621. a motor; 622. a bidirectional screw; 7. a reinforcement mechanism; 71. a reinforcing rod; 711. a third through hole; 72. an adjustment assembly; 721. a first adjustment block; 722. a second adjustment block; 7221. an adjustment groove; 723. a first rotating shaft; 724. a first bevel gear; 725. a second rotating shaft; 726. a second bevel gear; 727. a first gear; 728. a first rack; 73. a limit rod; 8. a positioning mechanism; 81. an adjusting lever; 811. positioning holes; 82. a second rack; 83. a second gear; 84. a positioning rod; 85. positioning bolts; 9. an anti-shake mechanism; 91. a connecting rod; 92. a mounting block; 93. an anti-shake plate; 94. a fixing assembly; 941. a fixing plate; 942. and (5) fixing bolts.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a spliced drill bit.
Referring to fig. 1, the split type drill includes a shank 12, and a bit body 11 is coupled to the shank 12 through a coupling mechanism 2.
Referring to fig. 1, the connection mechanism 2 includes a connection block 21 fixedly connected to one end of the bit body 11, the connection block 21 is cylindrical, and one end of the connection block 21, which is far away from the bit body 11, is fixedly connected with a clamping block 22; one end of the cutter bar 12 is provided with a clamping groove 121 which is clamped with the clamping block 22.
The connecting block 21 has set up mounting groove 122 far away from the one end of drill bit body 11, and the cutter arbor 12 has also set up mounting groove 122 near the one end of draw-in groove 121, all has set up the screw hole on the lateral wall of mounting groove 122 on the connecting block 21 and the lateral wall of mounting groove 122 on the cutter arbor 12. The cutter bar 12 is provided with a connecting component 23 connected with the connecting block 21, the connecting component 23 comprises a connecting plate 231, one end of the connecting plate 231 is clamped with the mounting groove 122 on the cutter bar 12, and one end of the connecting plate 231, which is far away from the cutter bar 12, is clamped with the mounting groove 122 on the connecting block 21; the two ends of the connecting plate 231 are respectively provided with a first through hole, one of which is communicated with the threaded hole on the cutter bar 12, and the other of which is communicated with the threaded hole on the connecting block 21; the connection plate 231 is provided with a connection bolt 232, and the connection bolt 232 passes through the first through hole to be in threaded connection with the corresponding threaded hole.
Referring to fig. 1, a first external thread 123 is arranged on the side wall of the cutter bar 12 near one end of the clamping groove 121, a protective sleeve 3 is sleeved on the cutter bar 12, and the protective sleeve 3 is in threaded connection with the first external thread 123; the end of the connection block 21 remote from the bit body 11 is provided with a second external thread 211, and the protection sleeve 3 can be screwed with the second external thread 211.
The implementation principle of the spliced drill bit provided by the embodiment of the application is as follows: sleeving the protective sleeve 3 on the cutter bar 12; then, the clamping block 22 on the connecting block 21 is clamped with the clamping groove 121 on the cutter bar 12, and the connecting block 21 is abutted against the cutter bar 12.
Then, one end of the connecting plate 231 is clamped with the mounting groove 122 on the cutter bar 12, and the other end of the connecting plate 231 is clamped with the mounting groove 122 on the connecting block 21; then a connecting bolt 232 passes through a first through hole on the connecting plate 231 and is in threaded connection with a threaded hole on the cutter bar 12; a connecting bolt 232 is threaded through a first through hole on the other end of the connecting plate 231 and is connected with a threaded hole on the connecting block 21.
Finally, the protecting sleeve 3 is rotated, so that the protecting sleeve 3 moves towards the direction approaching to the connecting block 21, the protecting sleeve 3 is in threaded connection with the second external threads 211 on the connecting block 21, and finally, the connecting plate 231 can be positioned in the protecting sleeve 3.
The embodiment of the application also discloses a clamp.
Referring to fig. 2 and 3, the fixture comprises a fixing seat 4, a placing groove 41 is formed in the fixing seat 4, and one end, far away from the connecting block 21, of the cutter bar 12 is placed in the placing groove 41; the cutter bar 12 is fixedly connected with a fixed block 5 which is abutted against the fixed seat 4, and the fixed block 5 is cylindrical.
Referring to fig. 2 and 4, a cavity 42 is formed in the fixing base 4, and a fourth through hole communicated with the cavity 42 is formed in the fixing base 4; the fixed block 5 is provided with a second through hole 52.
The fixing seat 4 is provided with a reinforcing mechanism 7, the reinforcing mechanism 7 comprises a reinforcing rod 71, one end of the reinforcing rod 71 is located in the cavity 42, the other end of the reinforcing rod 71 penetrates through the fourth through hole, one end, far away from the cavity 42, of the reinforcing rod 71 penetrates through the second through hole 52, and the cross section of the second through hole 52 is larger than that of the reinforcing rod 71. The fixed seat 4 is provided with an adjusting assembly 72, the adjusting assembly 72 comprises a first adjusting block 721 fixedly connected to one end of the cutter bar 12 far away from the connecting block 21, and the first adjusting block 721 is cuboid; the bottom wall of the placing groove 41 is rotatably connected with a second adjusting block 722, the end face of one end of the second adjusting block 722 and the bottom wall of the placing groove 41 are positioned on the same horizontal plane, and the other end of the second adjusting block 722 is positioned in the cavity 42; an adjusting groove 7221 which is clamped with the first adjusting block 721 is formed in one end, close to the placing groove 41, of the second adjusting block 722, and the cross section of the adjusting groove 7221 is rectangular. A first rotating shaft 723 is fixedly connected to a second adjusting block 722 positioned in the cavity 42, and a first bevel gear 724 is connected to the first rotating shaft 723 through a key; a second shaft 725 is rotatably connected to the cavity 42, and a second bevel gear 726 engaged with the first bevel gear 724 is keyed to one end of the second shaft 725; the second shaft 725 is connected with a first gear 727 by a key on one end far away from the second bevel gear 726, and a first rack 728 meshed with the first gear 727 is integrally arranged on the reinforcing rod 71 positioned in the cavity 42.
One end of the cutter bar 12 with the first adjusting block 721 is extended into the placing groove 41, and the first adjusting block 721 is extended into the adjusting groove 7221 of the second adjusting block 722; when the fixed block 5 abuts against the fixed seat 4, the cutter bar 12 abuts against the bottom wall of the placement groove 41, and the first adjusting block 721 is completely located in the adjusting groove 7221.
Then, the cutter bar 12 is rotated, the first adjusting block 721 on the cutter bar 12 drives the second adjusting block 722 to rotate, the second adjusting block 722 drives the first rotating shaft 723 to rotate, the first rotating shaft 723 drives the first bevel gear 724 to rotate, the first bevel gear 724 drives the second bevel gear 726 to rotate, the second bevel gear 726 drives the second rotating shaft 725 to rotate, the second rotating shaft 725 drives the first gear 727 to rotate, the first gear 727 drives the first rack 728 to move, the first rack 728 drives the reinforcing rod 71 to move, and one end of the reinforcing rod 71 far away from the cavity 42 penetrates through the fourth through hole on the fixed seat 4 and then penetrates through the second through hole 52 on the fixed block 5.
Referring to fig. 2 and 3, a first chute 44 and a second chute 45 are formed on a sidewall of the placement groove 41, an axis of the first chute 44 is parallel to an axis of the placement groove 41, the second chute 45 is communicated with the first chute 44, and an axis of the second chute 45 is perpendicular to an axis of the placement groove 41. The cutter bar 12 is fixedly connected with a limiting rod 73, and both the first chute 44 and the second chute 45 can slide with the limiting rod 73.
When the cutter bar 12 is to enter the placing groove 41, the limiting rod 73 is aligned with the first sliding groove 44, and when the cutter bar 12 enters the placing groove 41, the limiting rod 73 slides in the first sliding groove 44; when the fixed block 5 abuts against the fixed seat 4, the limiting rod 73 enters the second sliding groove 45 from the first sliding groove 44; when the cutter bar 12 rotates in the placement groove 41, the stopper rod 73 slides in the second slide groove 45.
Referring to fig. 3 and 4, a fifth through hole communicated with the cavity 42 is formed in the fixing seat 4, a positioning mechanism 8 is arranged on the fixing seat 4, the positioning mechanism 8 comprises an adjusting rod 81, one end of the adjusting rod 81 is located in the cavity 42, and the other end of the adjusting rod 81 penetrates out of the fifth through hole; a second rack 82 is integrally arranged on the adjusting rod 81 positioned in the cavity 42, and a second gear 83 meshed with the second rack 82 is connected on the first rotating shaft 723 by a key; one end of the adjusting lever 81 away from the second gear 83 is provided with a plurality of positioning holes 811 along the length direction of the adjusting lever 81; the side wall of the fixed seat 4 is connected with a positioning rod 84 in a sliding way, and the positioning rod 84 can be clamped with a positioning hole 811; the positioning rod 84 is provided with a positioning bolt 85 which passes through the positioning rod 84 and is in threaded connection with the fixed seat 4.
Moving the adjusting rod 81, the second rack 82 on the adjusting rod 81 drives the second gear 83 to rotate, the second gear 83 drives the first rotating shaft 723 to rotate, and the first rotating shaft 723 drives the second adjusting block 722 to rotate, so that the position of the second adjusting block 722 is adjusted, and the first adjusting block 721 can better enter the adjusting groove 7221 of the second adjusting block 722; when the position of the second adjusting block 722 is adjusted, the positioning bolt 85 passes through the positioning rod 84 to be in threaded connection with the fixed seat 4; when the first adjustment block 721 is inserted into the placement groove 41 of the second adjustment block 722, the positioning bolt 85 is separated from the fixed base 4, and the positioning rod 84 is separated from the positioning groove of the adjustment rod 81, so that the first rotation shaft 723 can rotate.
Referring to fig. 2 and 3, two clamping grooves 51 are formed in the fixing block 5, and the second through hole 52 is communicated with one of the clamping grooves 51; the reinforcing rod 71 is provided with a third through hole 711, and the third through hole 711 communicates with the clamping groove 51.
The fixing seat 4 is provided with a clamping mechanism 6, the clamping mechanism 6 comprises two clamping blocks 61 which are connected to the fixing seat 4 in a sliding manner, the two clamping blocks 61 are respectively positioned on two sides of the placing groove 41, the two clamping blocks 61 are respectively clamped with the two clamping grooves 51, and one clamping block 61 penetrates through a third through hole 711 in the reinforcing rod 71. The fixed seat 4 is provided with an adjusting component 62, the adjusting component 62 comprises a bidirectional screw 622 rotatably connected to the fixed seat 4, the directions of threads at two ends of the bidirectional screw 622 are opposite, the bidirectional screw 622 penetrates through the two clamping blocks 61, and the two clamping blocks 61 are respectively in threaded connection with two ends of the bidirectional screw 622; the fixed seat 4 is fixedly connected with a motor 621, and an output shaft of the motor 621 is connected with one end of a bidirectional screw 622.
When the fixed block 5 is abutted against the fixed seat 4 and the reinforcing rod 71 passes through the second through hole 52 on the fixed block 5, the third through hole 711 on the reinforcing rod 71 is communicated with the clamping groove 51 on the fixed block 5 and the axes are coincident, the motor 621 is started, the output shaft of the motor 621 drives the bidirectional screw 622 to rotate, the bidirectional screw 622 drives the two clamping blocks 61 to move in opposite directions, and one clamping block 61 is directly clamped with one clamping groove 51 on the fixed block 5; the other clamping block 61 is clamped with the other clamping groove 51 on the fixed block 5, and the clamping block 61 passes through the third through hole 711 on the reinforcing rod 71.
Referring to fig. 2 and 3, two anti-shake mechanisms 9 are provided on the fixed base 4, the anti-shake mechanisms 9 include a connecting rod 91, one end of the connecting rod 91 is provided with a fixing component 94, the fixing component 94 includes a fixing plate 941 fixedly connected to the connecting rod 91, and the fixing plate 941 abuts against the fixed base 4; the fixing plate 941 is provided with a fixing bolt 942 that passes through the fixing plate 941 to be screwed with the fixing base 4. One end of the connecting rod 91 away from the fixed plate 941 is fixedly connected with a mounting block 92, the side wall on one side of the mounting block 92 is fixedly connected with two anti-shake plates 93, the two anti-shake plates 93 are obliquely arranged on the same side wall of the mounting block 92, and the oblique directions of the two anti-shake plates 93 are opposite; the cutter bar 12 is located between the two anti-shake plates 93, and both the anti-shake plates 93 abut against the cutter bar 12. The lengths of the two connecting rods 91 in the two anti-shake mechanisms 9 are different, and the anti-shake plates 93 in the different anti-shake mechanisms 9 abut against positions of different heights of the cutter bar 12.
The implementation principle of one embodiment of the application is as follows: first, the adjusting rod 81 is moved, and the position of the second adjusting block 722 is adjusted; then, one end of the cutter bar 12 far away from the connecting block 21 extends into the placing groove 41 of the fixed seat 4, and the limiting rod 73 enters into the first chute 44; continuing to move the cutter bar 12 to enable the first adjusting block 721 to enter the adjusting groove 7221 of the second adjusting block 722, enabling the limiting rod 73 to enter the second sliding groove 45 from the first sliding groove 44, and enabling the fixed block 5 to abut against the fixed seat 4; then the cutter bar 12 is rotated, the first adjusting block 721 on the cutter bar 12 drives the second adjusting block 722 to rotate, the first rotating shaft 723 on the second adjusting block 722 drives the first bevel gear 724 to rotate, the second bevel gear 726 meshed with the first bevel gear 724 drives the second rotating shaft 725 to rotate, the first gear 727 on the second rotating shaft 725 drives the first rack 728 to move, and the reinforcing rod 71 passes through the second through hole 52 on the fixed block 5; then, the positioning rod 84 is moved, so that the positioning rod 84 is clamped with a positioning groove on the adjusting rod 81, and then a positioning bolt 85 penetrates through the positioning rod 84 to be in threaded connection with the fixed seat 4; at this time, the third through hole 711 of the reinforcing rod 71 communicates with the clamping groove 51 of the fixed block 5; the motor 621 is restarted to enable the two clamping blocks 61 to be respectively clamped with the two clamping grooves 51 on the fixed block 5, so that the cutter bar 12 is fixed on the fixed seat 4.
Finally, the fixing plate 941 is connected to the fixing base 4 through the fixing bolt 942, so that two anti-shake plates 93 in the same anti-shake mechanism 9 are in contact with the cutter bar 12.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (4)
1. The fixture for clamping the spliced drill bit comprises a fixed seat (4), a fixed block (5) and a clamping mechanism (6), and further comprises a drill bit body (11), a cutter bar (12) and a connecting mechanism (2), wherein the connecting mechanism (2) comprises a connecting block (21), a clamping block (22) and a connecting assembly (23), the connecting block (21) is arranged on the drill bit body (11), the clamping block (22) is arranged on the connecting block (21), and a clamping groove (121) which is clamped with the clamping block (22) is formed in the cutter bar (12); the connecting component (23) is arranged on the connecting block (21) and is connected with the drill bit body (11);
a placing groove (41) is formed in the fixing seat (4), and one end, far away from the connecting block (21), of the cutter bar (12) is located in the placing groove (41);
the fixed block (5) is arranged at one end of the cutter bar (12) far away from the connecting block (21), and the fixed block (5) is abutted against the fixed seat (4);
the clamping mechanism (6) comprises two clamping blocks (61) and an adjusting assembly (62), the two clamping blocks (61) are respectively arranged on the fixed seats (4) on two sides of the placing groove (41) in a sliding mode, and the fixed blocks (5) are provided with clamping grooves (51) which are clamped with the clamping blocks (61);
the adjusting component (62) is arranged on the fixed seat (4) and is connected with the two clamping blocks (61);
a reinforcing mechanism (7) is arranged on the fixed seat (4), the reinforcing mechanism (7) comprises a reinforcing rod (71) and an adjusting component (72),
the fixed block (5) is provided with a second through hole (52) communicated with the clamping groove (51),
the reinforcing rod (71) is slidably arranged on the fixing seat (4), the reinforcing rod (71) penetrates through the second through hole (52), and a third through hole (711) for the clamping block (61) to penetrate through is formed in the reinforcing rod (71);
the adjusting component (72) is arranged on the fixed seat (4) and is connected with the reinforcing rod (71);
the cross sections of the placing groove (41) and the cutter bar (12) are circular, a cavity (42) is formed in the fixing seat (4), a fourth through hole communicated with the cavity (42) is formed in the fixing seat (4), the reinforcing rod (71) is slidably arranged in the cavity (42), and one end of the reinforcing rod (71) penetrates through the fourth through hole;
the adjusting assembly (72) comprises a first adjusting block (721), a second adjusting block (722), a first rotating shaft (723), a first bevel gear (724), a second rotating shaft (725), a second bevel gear (726), a first gear (727) and a first rack (728), wherein the first adjusting block (721) is fixedly arranged at one end, far away from the connecting block (21), of the cutter bar (12);
the second adjusting block (722) is rotatably arranged on the bottom wall of the placing groove (41), an adjusting groove (7221) is formed in the second adjusting block (722), and the first adjusting block (721) can be positioned in the adjusting groove (7221); and the cross sections of the second adjusting block (722) and the adjusting groove (7221) are rectangular;
the first rotating shaft (723) is fixedly arranged on the second adjusting block (722), one end of the first rotating shaft (723) far away from the second adjusting block (722) is positioned in the cavity (42), and the first bevel gear (724) is arranged on the first rotating shaft (723);
the second rotating shaft (725) is rotatably arranged in the cavity (42), and the second bevel gear (726) is arranged at one end of the second rotating shaft (725) and meshed with the first bevel gear (724);
the first gear (727) is arranged at the other end of the second rotating shaft (725), and the first rack (728) is arranged on the reinforcing rod (71) and meshed with the first gear (727);
a fifth through hole communicated with the cavity (42) is arranged on the fixed seat (4),
the fixing seat (4) is provided with a positioning mechanism (8), the positioning mechanism (8) comprises an adjusting rod (81), a second rack (82), a second gear (83), a positioning rod (84) and a positioning bolt (85), one end of the adjusting rod (81) is positioned in the cavity (42), and the other end of the adjusting rod passes through the fifth through hole;
the second rack (82) is arranged at one end of the adjusting rod (81) positioned in the cavity (42);
the second gear (83) is arranged on the first rotating shaft (723) and meshed with the second rack (82);
the positioning rod (84) is slidably arranged on the fixed seat (4), and a plurality of positioning holes (811) which are clamped with the positioning rod (84) are formed in the adjusting rod (81);
the positioning bolt (85) penetrates through the positioning rod (84) to be in threaded connection with the fixed seat (4);
a first chute (44) and a second chute (45) are formed in the side wall of the placing groove (41), the first chute (44) is communicated with the second chute (45), the axis of the first chute (44) is parallel to the axis of the placing groove (41), and the axis of the second chute (45) is perpendicular to the axis of the placing groove (41);
a limiting rod (73) is arranged on the side wall of the cutter bar (12), the first sliding groove (44) and the second sliding groove (45) can slide with the limiting rod (73), and when the limiting rod (73) enters the second sliding groove (45) through the first sliding groove (44), the fixed block (5) is abutted against the fixed seat (4);
when the second adjusting block (722) rotates, the limiting rod (73) slides in the second sliding groove (45).
2. The clamp for clamping a spliced drill bit according to claim 1, wherein the connecting assembly (23) comprises a connecting plate (231) and a connecting bolt (232), the cutter bar (12) and the connecting block (21) are provided with mounting grooves (122), one end of the connecting plate (231) is arranged in the mounting groove (122) of the cutter bar (12), and the other end of the connecting plate (231) is arranged in the mounting groove (122) of the connecting block (21);
threaded holes are formed in the side wall of the mounting groove (122) on the connecting block (21) and the side wall of the mounting groove (122) on the cutter bar (12), and first through holes are formed in the two ends of the connecting plate (231);
the connecting bolt (232) passes through the first through hole and is in threaded connection with the threaded hole.
3. The clamp for clamping a spliced drill bit according to claim 1, wherein a first external thread (123) is arranged at one end of the cutter bar (12) close to the connecting block (21), a protective sleeve (3) in threaded connection with the first external thread (123) is sleeved on the cutter bar (12),
the connecting block (21) is provided with a second external thread (211),
when the connecting block (21) is connected to the cutter bar (12) through the connecting component (23), one end of the protective sleeve (3) is in threaded connection with the first external thread (123) and the other end is in threaded connection with the second external thread (211).
4. The clamp for clamping a spliced drill bit according to claim 1, wherein the fixed seat (4) is provided with at least two anti-shake mechanisms (9), the anti-shake mechanisms (9) comprise a connecting rod (91), a mounting block (92), two anti-shake plates (93) and a fixing assembly (94),
the connecting rod (91) is connected to the fixed seat (4) through a fixed component (94),
the mounting block (92) is arranged on the connecting rod (91),
the two anti-shake plates (93) are obliquely arranged on the same side of the mounting block (92), and the inclination directions of the two anti-shake plates (93) are opposite; the two anti-shaking plates (93) are respectively abutted against the cutter bar (12), and the plurality of anti-shaking mechanisms (9) are abutted against the side walls of the cutter bar (12) at different heights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211270692.2A CN115502450B (en) | 2022-10-15 | 2022-10-15 | Spliced drill bit and clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211270692.2A CN115502450B (en) | 2022-10-15 | 2022-10-15 | Spliced drill bit and clamp thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115502450A CN115502450A (en) | 2022-12-23 |
| CN115502450B true CN115502450B (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211270692.2A Active CN115502450B (en) | 2022-10-15 | 2022-10-15 | Spliced drill bit and clamp thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115502450B (en) |
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| CN216298071U (en) * | 2021-12-01 | 2022-04-15 | 常州精美特精密工具有限公司 | Combined drill bit convenient to replace |
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| CN217095741U (en) * | 2021-12-31 | 2022-08-02 | 青岛臻瑞汽车配件有限公司 | Drilling machine with drill bit is convenient for install |
| CN217291359U (en) * | 2022-04-22 | 2022-08-26 | 信一秀塔克机械（苏州）有限公司 | Dead structure of drill bit installation lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100609648B1 (en) * | 2005-03-25 | 2006-08-08 | (주)대동석재공업 | A drill |
| CN203184713U (en) * | 2013-02-20 | 2013-09-11 | 温岭市新杭工具厂 | Split type twist drill |
| CN111482007A (en) * | 2020-04-22 | 2020-08-04 | 杭州腾睿源人防工程有限公司 | People's air defense gas particulate filter |
| CN213531637U (en) * | 2020-11-10 | 2021-06-25 | 天津市古德科技有限公司 | Clamping mechanism of cutter for automobile machining |
| CN213915789U (en) * | 2020-12-05 | 2021-08-10 | 辽宁工程职业学院 | Reaming processing instrument for copper pipe |
| CN113172436A (en) * | 2021-04-30 | 2021-07-27 | 张吉 | Numerical control machine tool machining curved surface cutting tool assembly |
| CN216858337U (en) * | 2021-06-22 | 2022-07-01 | 株洲楚天硬质合金股份有限公司 | Three-blade hard alloy drill bit with inner cooling oil hole |
| CN215545259U (en) * | 2021-08-11 | 2022-01-18 | 苏州三骏工具科技有限公司 | Combined clamp for wave edge type milling cutter |
| CN215847042U (en) * | 2021-09-02 | 2022-02-18 | 佑诺智能装备(昆山)有限公司 | Fixed tool of CNC machining center back timber |
| CN216298071U (en) * | 2021-12-01 | 2022-04-15 | 常州精美特精密工具有限公司 | Combined drill bit convenient to replace |
| CN217095741U (en) * | 2021-12-31 | 2022-08-02 | 青岛臻瑞汽车配件有限公司 | Drilling machine with drill bit is convenient for install |
| CN217291359U (en) * | 2022-04-22 | 2022-08-26 | 信一秀塔克机械（苏州）有限公司 | Dead structure of drill bit installation lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115502450A (en) | 2022-12-23 |
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