CN113560967A - Full-automatic grinding machine tool for twist drill - Google Patents
Full-automatic grinding machine tool for twist drill Download PDFInfo
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- CN113560967A CN113560967A CN202110913982.3A CN202110913982A CN113560967A CN 113560967 A CN113560967 A CN 113560967A CN 202110913982 A CN202110913982 A CN 202110913982A CN 113560967 A CN113560967 A CN 113560967A
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- grinding machine
- automatic grinding
- machine tool
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- 230000000694 effects Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 17
- 239000002826 coolant Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000003754 machining Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/247—Supports for drills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a full-automatic grinding machine tool for twist drill, which relates to the end processing of twist drill and aims to solve the hidden trouble of easy-to-damage cone drill bit, and the key points of the technical scheme are as follows: a full-automatic grinding machine tool for twist drills comprises a machine tool body, wherein a three-axis movement device is arranged on the machine tool body and is loaded with a clamp, a rotary cylinder is arranged on the machine tool body and is in driving connection with a power motor, and a friction wheel is coaxially arranged on an output shaft of the power motor; the fixture comprises a fixture seat, a fixed clamping block and a movable clamping block, the fixture seat is provided with a supporting bottom block, a rotation limiting positioning piece is fixedly installed at the front end of the supporting bottom block, and an embedded nozzle is arranged on the rotation limiting positioning piece. The full-automatic grinding machine tool for the twist drill effectively prevents the cone drill bit arranged on the end face of the main drill string from being damaged.
Description
Technical Field
The invention relates to end machining of twist drills, in particular to a full-automatic grinding machine tool for twist drills.
Background
Twist drills are tools for drilling round holes in workpieces by rotary cutting relative to a fixed axis, and are known as twist drills because the chip flutes are helical.
As shown in FIG. 7, the novel drill bit with the function of pre-drilling comprises a main drill string 91 and a cone bit 92 arranged at the front end of the main drill string 91, wherein a sizing semicircle 93 and a main drill blade 94 are arranged at the joint of the main drill string 91 and the cone bit 92.
In the production and processing of the novel drill bit, the main drill cutting edge 94 needs to be polished, most of the grinding machines in the prior art polish the end face, and the hidden danger that the cone drill bit 92 is easy to damage exists; therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a full-automatic grinding machine tool for twist drills, which has the technical effect of forming a main drill cutting edge after the end face of a main drill string is machined by increasing the carrying direction of the twist drill and optimizing the structure of a clamp, and effectively prevents a cone drill bit arranged on the end face of the main drill string from being damaged.
The technical purpose of the invention is realized by the following technical scheme: a full-automatic grinding machine tool for twist drills comprises a machine tool body, wherein a three-axis movement device is arranged on the machine tool body and is loaded with a clamp, a rotary cylinder is arranged on the machine tool body and is in driving connection with a power motor, and a friction wheel is coaxially arranged on an output shaft of the power motor; anchor clamps include anchor clamps seat, fixed mounting in the fixed grip block of anchor clamps seat to and be the relative movable grip block that sets up with fixed grip block, the anchor clamps seat is provided with the support bottom block under the mouth that presss from both sides of fixed grip block and movable grip block, the front end that supports the bottom block extends the preceding terminal surface of anchor clamps seat to fixed mounting has the rotation limiting location spare, the rotation limiting location spare is provided with inlays the mouth, inlay the mouth and imbed between the contained angle of sizing semicircle and awl drill bit.
By adopting the technical scheme, when the twist drill machining device works normally, the twist drill to be machined at the cutting edge of the main drill is clamped and fixed by the clamp, the three-axis movement device sends the twist drill to the friction wheel according to a PLC set program, and the power motor is synchronously started to drive the friction wheel to rotate, so that the friction wheel is used for machining the cutting edge of the main drill; it should be noted that, because the power motor is arranged on the rotary cylinder, the angle of the friction wheel can be adjusted by using the rotary cylinder, and then the multi-angle processing of the main drill cutting edge is realized; it should be further noted that, because the three-axis movement device has an additional carrying capacity in the Z-axis direction compared with the traditional grinding machine, the end surface of the twist drill can be guided to bypass the friction wheel, the precondition of processing directly behind the end surface of the main drill string is obtained, the structure of the fixture is optimized, namely, the support bottom block extending out of the front end surface of the fixture seat is arranged, and the technical effects of fixing, rotation limiting and positioning the twist drill are achieved by utilizing the matching between the embedded nozzle and the sizing semicircle, so that the point position to be processed of the cutting edge of the main drill cannot be shielded; to sum up, this application realizes the technological effect of processing formation main drill blade after main drill string terminal surface through the carrying direction who increases a fluted drill and to the optimization of anchor clamps structure, effectively prevents to set up in the awl drill bit of main drill string terminal surface and receives the damage.
The invention is further configured to: the three-axis movement device comprises an X-axis feeding seat arranged on the machine body in a sliding manner, a Y-axis feeding seat arranged on the X-axis feeding seat in a sliding manner, a vertical seat fixedly arranged on the Y-axis feeding seat, and a Z-axis feeding seat arranged on the vertical seat in a sliding manner, and the clamp seat is fixedly arranged on the Z-axis feeding seat; the machine tool body, the X-axis feeding seat and the vertical seat are respectively provided with a servo motor lead screw assembly which is respectively used for driving the X-axis feeding seat, the Y-axis feeding seat and the Z-axis feeding seat.
By adopting the technical scheme, the three-axis movement device has the capability of carrying the twist drill to move in three directions of an X axis, a Y axis and a Z axis; the X-axis feeding seat, the Y-axis feeding seat and the Z-axis feeding seat are limited to be driven by the servo motor lead screw assembly, so that the technical effect that the twist drill feeds more accurately in three directions is achieved.
The invention is further configured to: the fixture comprises a fixture seat and is characterized in that an installation gradient is arranged on the upper surface of the fixture seat, a pushing and abutting block slides on the installation gradient, a movable clamping block is fixedly installed on the pushing and abutting block, a force application block is longitudinally and movably arranged between the pushing and abutting block and a vertical surface of the installation gradient, a force application inclined plane is arranged on the rear end surface of the pushing and abutting block, the force application block is provided with a force application inclined plane attached to the force application inclined plane, a tension cylinder is fixedly installed on the fixture seat, and the end face of a piston rod of the tension cylinder is fixed to the lower end face of the force application block.
By adopting the technical scheme, the fixture seat is provided with the installation gradient to provide an installation position for the movable clamping block, the pushing block and the force application block; when needs clamping fluted drill, it moves down to pull the application of force piece by the pulling force cylinder, the application of force piece utilizes the cooperation between application of force inclined plane and the atress inclined plane at the in-process that moves down, produce the horizontal thrust towards fixed grip block, thereby it slides towards fixed grip block to promote movable grip block, and then realize the fixed clamping to fluted drill by movable grip block and the cooperation of fixed grip block, adopt this structure application of force in pushing against the piece, thereby avoid a large amount of reaction force direct action on the pulling force cylinder, improve the life of pulling force cylinder on the one hand, on the other hand improves the clamping stability to fluted drill.
The invention is further configured to: the upper surface of the installation gradient is provided with a T-shaped horizontal groove, and the pushing block is provided with a T-shaped horizontal block matched with the T-shaped horizontal groove in a sliding mode.
By adopting the technical scheme, the cooperation between the T-shaped horizontal groove and the T-shaped horizontal block is utilized to limit the mobility of the pushing and supporting block, so that the pushing and supporting block only has the mobility sliding along the length direction of the T-shaped horizontal groove, and the sliding stability of the pushing and supporting block is improved.
The invention is further configured to: the force application block is provided with a T-shaped inclined block which is matched with the T-shaped inclined groove in a sliding manner.
Through adopting above-mentioned technical scheme, realize pushing away on the one hand and support being connected of piece and application of force piece for application of force piece promotes more steadily and pushes away and support the piece, and on the other hand can produce back pulling force to pushing away and supporting the piece when application of force piece is promoted by pulling force cylinder and shifts up, thereby realizes the automatic technological effect who loosens the fluted drill.
The invention is further configured to: and a compression spring is arranged between the pushing block and the vertical surface of the installation gradient, and the force application block is provided with an avoidance notch for the compression spring to pass through.
Through adopting above-mentioned technical scheme, utilize compression spring's elastic potential energy, produce towards the horizontal thrust in fixed grip block to pushing against the piece, reduce the hidden danger that the fluted drill was loosened suddenly when pulling force cylinder atmospheric pressure was revealed on the one hand, required power when on the other hand balanced pulling force cylinder pulling and promotion application of force piece reaches the technological effect of the control of being convenient for more.
The invention is further configured to: the rear end of the supporting bottom block is provided with an extending supporting plate, the extending supporting plate is L-shaped in side view, a vertical section of the extending supporting plate is fixed on the rear end face of the supporting bottom block, and the upper surface of a horizontal section of the extending supporting plate and the upper surface of the supporting bottom block are located on the same horizontal plane.
Through adopting above-mentioned technical scheme, the increase is to the holding area of fluted drill, effectively reduces fluted drill because of the hidden danger that gravity took place to stick up.
The invention is further configured to: the output disc of the rotary cylinder is provided with an angle identifier, and the upper surface of the shell of the rotary cylinder is provided with an angle pointer pointing to the angle identifier.
Through adopting above-mentioned technical scheme, realize the instruction to the output dish turned angle of revolving cylinder, effectively ensure the angle control precision of friction pulley.
The invention is further configured to: the power motor is fixedly provided with a housing, and the housing is provided with a semicircular cover which is semi-surrounded on the friction wheel.
Through adopting above-mentioned technical scheme, realize cutting useless sheltering from of cutting to producing, effectively prevent to cut useless splashing.
The invention is further configured to: the semicircle cover is provided with an installing plate, and the installing plate is provided with an installing hole for fixing the cooling liquid spray head.
Through adopting above-mentioned technical scheme, for the mounted position of providing of coolant liquid shower nozzle to facilitate for installing the coolant liquid shower nozzle additional.
In conclusion, the invention has the following beneficial effects: by increasing the carrying direction of the twist drill and optimizing the structure of the clamp, the technical effect of forming the cutting edge of the main drill after the end surface of the main drill string is processed is realized, and the cone drill arranged on the end surface of the main drill string is effectively prevented from being damaged; the X-axis feeding seat, the Y-axis feeding seat and the Z-axis feeding seat are limited to be driven by the servo motor lead screw assembly, so that the technical effect that the twist drill feeds in three directions more accurately is achieved; a large amount of reaction force is prevented from directly acting on the tension cylinder, so that the service life of the tension cylinder is prolonged, and the clamping stability of the twist drill is improved; the pushing and abutting block only has the activity degree of sliding along the length direction of the T-shaped horizontal groove, so that the sliding stability of the pushing and abutting block is improved; the T-shaped chute and the T-shaped inclined block are additionally arranged to be matched, so that the force application block can more stably push the pushing and abutting block on one hand, and the technical effect of automatically loosening the twist drill on the other hand is achieved; on one hand, the connection between the pushing and supporting block and the force application block is realized, so that the force application block can more stably push the pushing and supporting block, and on the other hand, when the force application block is pushed by the tension cylinder to move upwards, the back tension can be generated on the pushing and supporting block, so that the technical effect of automatically loosening the twist drill is realized; the support area of the twist drill is increased by utilizing the extension support plate, and the hidden danger that the twist drill tilts due to gravity is effectively reduced; the indication of the rotation angle of the output disc of the rotary cylinder is realized by setting the angle identification and the angle pointer, so that the angle control precision of the friction wheel is effectively ensured; the housing and the semicircular cover are additionally arranged, so that the waste cutting is shielded, and the splashing of the waste cutting is effectively prevented; the cooling liquid spray head is provided with a mounting position, so that the cooling liquid spray head is convenient to mount.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the overall structure from another perspective of the present application;
FIG. 3 is a schematic view of a twist drill mounted to a chuck of the present application;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is an exploded view of FIG. 3 from another perspective;
FIG. 6 is a diagram showing the relationship between the rotary cylinder, the power motor and the friction wheel;
fig. 7 is a schematic structural diagram of a twist drill to be processed.
Description of the drawings: 1. a machine tool body; 21. an X-axis feed base; 22. a Y-axis feed base; 23. a vertical seat; 24. a Z-axis feed block; 25. a servo motor lead screw assembly; 31. a clamp seat; 32. fixing the clamping block; 33. a movable clamping block; 34. a support bottom block; 35. embedding a mouth; 36. installing a gradient; 37. a pushing block; 38. a force application block; 39. a force-bearing inclined plane; 40. a force application slope; 41. a tension cylinder; 42. a T-shaped horizontal trough; 43. a T-shaped horizontal block; 44. a T-shaped chute; 45. a T-shaped oblique block; 46. a compression spring; 47. avoiding the notch; 48. an extension support plate; 51. a rotating cylinder; 52. a power motor; 53. a friction wheel; 54. identifying an angle; 55. an angle pointer; 56. a housing; 57. a semicircular cover; 58. adding a plate; 59. adding a hole; 91. a main drill string; 92. a cone bit; 93. sizing a semicircle; 94. and (5) cutting edges of the main drill.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A full-automatic grinding machine tool for twist drills is shown in figures 1, 2 and 3 and comprises a machine tool body 1, wherein the machine tool body 1 is provided with a three-axis movement device, a clamp is carried by the three-axis movement device, the machine tool body 1 is provided with a rotary cylinder 51, the rotary cylinder 51 is in driving connection with a power motor 52, and an output shaft of the power motor 52 is coaxially provided with a friction wheel 53; the fixture comprises a fixture seat 31, a fixed clamping block 32 fixedly installed on the fixture seat 31, and a movable clamping block 33 oppositely arranged with the fixed clamping block 32, wherein the fixture seat 31 is provided with a supporting bottom block 34 under a clamping opening of the fixed clamping block 32 and the movable clamping block 33, the front end of the supporting bottom block 34 extends out of the front end surface of the fixture seat 31, a rotation limiting positioning part is fixedly installed, the rotation limiting positioning part is provided with an embedded nozzle 35, and the embedded nozzle 35 is embedded between the included angles of the fixed diameter semicircle 93 and the cone bit 92.
When the device works normally, a clamp is used for clamping and fixing the twist drill of the main drill cutting edge 94 to be machined, the three-axis movement device sends the twist drill to the friction wheel 53 according to a PLC set program, and the power motor 52 is synchronously started to drive the friction wheel 53 to rotate, so that the friction wheel 53 finishes machining the main drill cutting edge 94; it should be noted that, because the power motor 52 is mounted on the rotary cylinder 51, the angle of the friction wheel 53 can be adjusted by using the rotary cylinder 51, so as to implement multi-angle machining of the main drill cutting edge 94; it should be further noted that, because the three-axis movement device has an additional carrying capacity in the Z-axis direction compared with the conventional grinding machine, the end surface of the twist drill can be guided to bypass the friction wheel 53, the precondition that the end surface of the main drill string 91 is directly processed is obtained, the clamp structure is optimized, that is, the support bottom block 34 extending out of the front end surface of the clamp seat 31 is arranged, and the fixing, rotation limiting and positioning structure of the twist drill is achieved by utilizing the matching between the embedded nozzle 35 and the sizing semicircle 93, so that the technical effect that the point position to be processed of the main drill edge 94 cannot be shielded; to sum up, this application realizes processing the technological effect that forms main drill cutting edge 94 after main drill string 91 terminal surface through the direction of delivery that increases a fluted drill and to the optimization of anchor clamps structure, effectively prevents to set up in the awl drill head 92 of main drill string 91 terminal surface and receives the damage.
As shown in fig. 1 and 2, the three-axis movement device comprises an X-axis feeding seat 21 slidably mounted on the machine body 1, a Y-axis feeding seat 22 slidably mounted on the X-axis feeding seat 21, a vertical seat 23 fixedly mounted on the Y-axis feeding seat 22, and a Z-axis feeding seat 24 slidably mounted on the vertical seat 23, and a clamp seat 31 is fixedly mounted on the Z-axis feeding seat 24, so that the three-axis movement device has the capability of carrying a twist drill to move in three directions of the X-axis, the Y-axis, and the Z-axis; it should be noted that the machine body 1, the X-axis feeding base 21 and the vertical base 23 are all provided with a servo motor screw rod assembly 25 for driving the X-axis feeding base 21, the Y-axis feeding base 22 and the Z-axis feeding base 24, respectively, so as to achieve the technical effect of more accurate feeding of the twist drill in three directions.
The upper surface of the clamp seat 31 is provided with an installation gradient 36, as shown in fig. 3, 4 and 5, the installation gradient 36 is slidably provided with a pushing block 37, the movable clamping block 33 is fixedly installed on the pushing block 37, a force application block 38 is longitudinally and movably arranged between the pushing block 37 and the vertical surface of the installation gradient 36, the rear end surface of the pushing block 37 is provided with a force application inclined surface 39, the force application block 38 is provided with a force application inclined surface 40 attached to the force application inclined surface 39, the clamp seat 31 is fixedly provided with a pulling cylinder 41, and the piston rod end of the pulling cylinder 41 is fixed with the lower end surface of the force application block 38; when the twist drill needs to be clamped, the force application block 38 is pulled by the tension cylinder 41 to move downwards, the force application block 38 utilizes the cooperation between the force application inclined plane 40 and the force application inclined plane 39 in the downward moving process, horizontal thrust towards the fixed clamping block 32 is generated, the movable clamping block 33 is pushed to slide towards the fixed clamping block 32, and further the fixed clamping of the twist drill is realized by the cooperation of the movable clamping block 33 and the fixed clamping block 32, the force is applied to the pushing block 37 by adopting the structure, so that a large amount of reaction force is avoided being directly acted on the tension cylinder 41, on one hand, the service life of the tension cylinder 41 is prolonged, on the other hand, the clamping stability of the twist drill is improved.
The pushing and abutting block 37 is slidably mounted on the mounting gradient 36 in the following manner, as shown in fig. 5, a T-shaped horizontal groove 42 is formed on the upper surface of the mounting gradient 36, and a T-shaped horizontal block 43 slidably fitted with the T-shaped horizontal groove 42 is formed on the pushing and abutting block 37, so that the degree of movement of the pushing and abutting block 37 is limited by the fit between the T-shaped horizontal groove 42 and the T-shaped horizontal block 43, so that the pushing and abutting block only has the degree of movement of sliding along the length direction of the T-shaped horizontal groove 42, and the sliding stability of the pushing and abutting block 37 is effectively improved.
It should be noted that, as shown in fig. 4 and 5, a T-shaped inclined groove 44 parallel to the force-bearing inclined surface 39 of the pushing-against block 37 is formed, and a T-shaped inclined block 45 slidably engaged with the T-shaped inclined groove 44 is formed in the force-applying block 38, so that on one hand, the pushing-against block 37 is connected with the force-applying block 38, so that the force-applying block 38 pushes the pushing-against block 37 more stably, and on the other hand, when the force-applying block 38 is pushed by the pulling cylinder 41 to move upwards, a back pulling force can be generated on the pushing-against block 37, thereby achieving the technical effect of automatically releasing the twist drill.
In order to reduce the potential safety hazard, as shown in fig. 4 and 5, a compression spring 46 is arranged between the pushing block 37 and the vertical surface of the installation gradient 36, and an avoiding notch 47 for the compression spring 46 to pass through is formed in the force application block 38, so that the pushing block 37 generates horizontal thrust towards the fixed clamping block 32 by using the elastic potential energy of the compression spring 46, on one hand, the potential safety hazard that the twist drill is suddenly loosened when the air pressure of the tension cylinder 41 is leaked is reduced, on the other hand, the force required when the tension cylinder 41 pulls and pushes the force application block 38 is balanced, and the technical effect of facilitating control is achieved.
It is found in the in-service use, the great fluted drill of length can take place the front end perk before the clamping is fixed and influence the clamping precision, for this reason, the rear end of supporting bottom block 34 is provided with extension backup pad 48, it looks sideways at to extend backup pad 48 and is the L shape, its vertical section bolt fastening is in the rear end face of supporting bottom block 34, its horizontal segment upper surface is in same horizontal plane with the upper surface that supports bottom block 34, thereby the increase is to the support area of fluted drill, effectively reduce the fluted drill because of the hidden danger of gravity emergence perk.
In order to ensure the angle control accuracy of the friction wheel 53, as shown in fig. 6, an angle mark 54 is arranged on the bottom end of the circumference of the output disc of the rotary cylinder 51, and an angle pointer 55 pointing to the angle mark 54 is fixedly mounted on the upper surface of the housing of the rotary cylinder 51, so that the rotation angle of the output disc of the rotary cylinder 51 can be indicated, and the angle control accuracy of the friction wheel 53 can be effectively ensured.
As shown in fig. 6, the power motor 52 is fixedly provided with a housing 56, the housing 56 is fixedly provided with a half-round cover 57, and the half-round cover 57 is half-surrounded on the friction wheel 53, so that the waste shavings are shielded, and the waste shavings are effectively prevented from splashing.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a full-automatic lathe of polishing for fluted drill, includes lathe fuselage (1), its characterized in that: the machine tool body (1) is provided with a three-axis movement device, the three-axis movement device is loaded with a clamp, the machine tool body (1) is provided with a rotary cylinder (51), the rotary cylinder (51) is connected with a power motor (52) in a driving mode, and an output shaft of the power motor (52) is coaxially provided with a friction wheel (53);
anchor clamps include anchor clamps seat (31), fixed mounting in fixed grip block (32) of anchor clamps seat (31) to and be relative movable grip block (33) that sets up with fixed grip block (32), anchor clamps seat (31) are provided with support bottom block (34) under the mouth that presss from both sides of fixed grip block (32) and activity grip block (33), the front end that supports bottom block (34) extends the preceding terminal surface of anchor clamps seat (31) to fixed mounting has the location piece of changeing, the location piece of changeing is provided with and inlays mouth (35) to limit, inlay mouth (35) and imbed between the contained angle of sizing semicircle (93) and awl drill bit (92).
2. A fully automatic grinding machine for twist drills according to claim 1, characterised in that: the three-axis movement device comprises an X-axis feeding seat (21) which is arranged on the machine body (1) in a sliding manner, a Y-axis feeding seat (22) which is arranged on the X-axis feeding seat (21) in a sliding manner, a vertical seat (23) which is fixedly arranged on the Y-axis feeding seat (22), and a Z-axis feeding seat (24) which is arranged on the vertical seat (23) in a sliding manner, wherein the clamp seat (31) is fixedly arranged on the Z-axis feeding seat (24); the machine tool body (1), the X-axis feeding seat (21) and the vertical seat (23) are respectively provided with a servo motor lead screw component (25) which is respectively used for driving the X-axis feeding seat (21), the Y-axis feeding seat (22) and the Z-axis feeding seat (24).
3. A fully automatic grinding machine for twist drills according to claim 1, characterised in that: the fixture comprises a fixture base (31), wherein an installation gradient (36) is arranged on the upper surface of the fixture base (31), a pushing and abutting block (37) slides on the installation gradient (36), a movable clamping block (33) is fixedly installed on the pushing and abutting block (37), a force application block (38) is longitudinally movably arranged between the vertical surfaces of the pushing and abutting block (37) and the installation gradient (36), a force application inclined plane (39) is arranged on the rear end surface of the pushing and abutting block (37), a force application inclined plane (40) attached to the force application inclined plane (39) is arranged on the force application block (38), a tension cylinder (41) is fixedly installed on the fixture base (31), and the piston rod end of the tension cylinder (41) is fixed to the lower end surface of the force application block (38).
4. A fully automatic grinding machine for twist drills according to claim 3, wherein: the upper surface of the installation gradient (36) is provided with a T-shaped horizontal groove (42), and the pushing block (37) is provided with a T-shaped horizontal block (43) which is in sliding fit with the T-shaped horizontal groove (42).
5. A fully automatic grinding machine for twist drills according to claim 3, wherein: the force application block (38) is provided with a T-shaped inclined groove (44) which is in parallel arrangement with the stress inclined surface (39) of the pushing and supporting block (37), and a T-shaped inclined block (45) which is in sliding fit with the T-shaped inclined groove (44).
6. A fully automatic grinding machine for twist drills according to claim 3, wherein: a compression spring (46) is arranged between the pushing block (37) and the vertical surface of the installation gradient (36), and an avoiding notch (47) for the compression spring (46) to pass through is formed in the force application block (38).
7. A fully automatic grinding machine for twist drills according to claim 1, characterised in that: the rear end of supporting bottom piece (34) is provided with extends backup pad (48), it looks sideways at and is L shape to extend backup pad (48), and its vertical section is fixed in the rear end face of supporting bottom piece (34), and its horizontal segment upper surface is in same horizontal plane with the upper surface of supporting bottom piece (34).
8. A fully automatic grinding machine for twist drills according to claim 1, characterised in that: an angle mark (54) is arranged on an output disc of the rotary cylinder (51), and an angle pointer (55) pointing to the angle mark (54) is arranged on the upper surface of a shell of the rotary cylinder (51).
9. A fully automatic grinding machine for twist drills according to claim 1, characterised in that: the power motor (52) is fixedly provided with a housing (56), the housing (56) is provided with a semicircular cover (57), and the semicircular cover (57) is semi-surrounded on the friction wheel (53).
10. A fully automatic grinding machine for twist drills according to claim 9, wherein: the semi-circular cover (57) is provided with an installing plate (58), and the installing plate (58) is provided with an installing hole (59) for fixing a cooling liquid spray head.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913982.3A CN113560967B (en) | 2021-08-10 | 2021-08-10 | Full-automatic polishing machine tool for twist drills |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913982.3A CN113560967B (en) | 2021-08-10 | 2021-08-10 | Full-automatic polishing machine tool for twist drills |
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| CN113560967A true CN113560967A (en) | 2021-10-29 |
| CN113560967B CN113560967B (en) | 2024-05-14 |
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|---|---|
| CN113560967B (en) | 2024-05-14 |
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