CN116727711B - Indexing positioning mechanism of turret tool rest - Google Patents
Indexing positioning mechanism of turret tool rest Download PDFInfo
- Publication number
- CN116727711B CN116727711B CN202311022363.0A CN202311022363A CN116727711B CN 116727711 B CN116727711 B CN 116727711B CN 202311022363 A CN202311022363 A CN 202311022363A CN 116727711 B CN116727711 B CN 116727711B
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- tool rest
- main shaft
- rest body
- holes
- mounting seat
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- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 37
- 239000010720 hydraulic oil Substances 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Positioning Apparatuses (AREA)
Abstract
The invention belongs to the technical field of tool holders of numerical control machine tools, and discloses an indexing positioning mechanism of a turret tool holder, which comprises a tool holder body and a mounting seat, wherein the tool holder body is positioned on one side of the mounting seat, a plurality of planes for connecting tool bits are respectively arranged on the arc surface of the tool holder body, a main shaft is fixedly connected to one side of the tool holder body close to the center, the main shaft penetrates through the inside of the mounting seat, one end of the main shaft is used for being connected with an external speed reduction driving device, a positioning structure for fixing the tool holder body after rotating is arranged in the tool holder body, an adjusting structure for buffering stopping of the tool holder body is arranged in the main shaft and on the arc surface of the main shaft, a stopping structure for stopping the rotation of the main shaft is arranged on two sides of the inside of the mounting seat, and the positioning structure 3, the adjusting structure 4 and the stopping structure 5 are arranged in a linkage manner. The invention has the advantage of carrying out accurate indexing positioning on the tool rest body.
Description
Technical Field
The invention belongs to the technical field of tool rests of numerical control machine tools, and particularly relates to an indexing positioning mechanism of a turret tool rest.
Background
The turret tool rest is a common device capable of carrying multiple tools for machining on a numerical control machine tool, and is generally composed of a movable fluted disc, a fixed fluted disc for positioning the movable fluted disc and a main shaft, wherein the movable fluted disc is a disc for mounting a plurality of groups of tools, and is driven by the main shaft, and the movable fluted disc and the fixed fluted disc are mutually separated when rotating, so that the movable fluted disc and the fixed fluted disc are meshed for fixing when needing to be fixed.
At present, most of the turret tool rest is in the form of a double-linked fluted disc, but because the mass of a movable fluted disc is large, when the spindle is driven to stop, the spindle is quickly retracted to enable the movable fluted disc to be meshed and clamped with a fixed fluted disc, and the mass of the movable fluted disc is large, and the rotation inertia is large, so that the impact force is large when the spindle is meshed with the fixed fluted disc, and meanwhile, because of the time interval of the spindle retraction, the turret tool rest is retracted to be in contact with the fixed fluted disc, the accurate position which is not needed to be reached by a tool is not needed, so that the positioning precision of the tool rest is low, and meanwhile, the surface of the fixed fluted disc is seriously worn due to long-term impact friction, and the machining precision of a numerical control machine tool is affected.
Disclosure of Invention
The invention aims to provide an indexing positioning mechanism of a turret tool rest, which solves the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a turret tool rest's graduation positioning mechanism, includes tool rest body and mount pad, the tool rest body is located one side of mount pad, tool rest body arc surface divides and is equipped with a plurality of planes that are used for connecting the tool bit, one side of tool rest body is close to central point put fixedly connected with main shaft, the main shaft wears to locate inside the mount pad, the one end of main shaft is used for linking to each other with outside reduction driving device, the inside of tool rest body is equipped with the location structure that is used for rotating its fixed behind the tool rest body, be equipped with the regulation structure that is used for buffering the stopping of tool rest body in the main shaft inside and on its arc surface, the inside both sides position that is close to the main shaft of mount pad is equipped with the stop structure that is used for stopping main shaft pivoted.
Preferably, the location structure is including seting up in the inside circular logical groove of knife rest body, the equal fixedly connected with semicircle piece in both sides position that the inner wall of circular logical groove is close to the axis, the intercommunicating pore has been seted up to the inner wall central point of circular logical groove, a plurality of movable holes have been seted up respectively to the inside circumference position that is close to circular logical groove of knife rest body, every the position of movable hole all corresponds with the plane of knife rest body external connection tool bit, outside the knife rest body was led out to one side of movable hole, the locating lever has been worn to the inner wall of movable hole, a plurality of locating holes have been seted up to one side of mount pad relative knife rest body, a plurality of the locating hole all corresponds one by one with the movable hole, intercommunicating pore, circular logical groove and a plurality of movable downthehole all are full of hydraulic oil.
Preferably, the adjusting structure comprises a lantern ring fixedly connected to the arc surface of the main shaft, a plurality of clamping blocks are uniformly and fixedly connected to the arc surface of the lantern ring at intervals, piston rods are respectively arranged on two sides of the clamping blocks in a penetrating mode, transverse oil holes are formed in the position of the central axis inside the main shaft and are connected with the communication holes, a plurality of vertical oil holes are formed in the position, corresponding to the clamping blocks, inside the main shaft, and are connected with the transverse oil holes, and hydraulic oil is filled in the clamping blocks, the vertical oil holes and the transverse oil holes.
Preferably, square grooves are formed in the two side positions, close to the main shaft, of the inside of the mounting seat, the stop structure comprises a screw rod penetrating through and rotating to be connected in the square grooves, two motors are arranged at positions, corresponding to the screw rod, of one side of the mounting seat, the output end of each motor is fixedly connected with the screw rod, a movable block is connected with the arc surface of the screw rod in a threaded mode, a stop ring is fixedly connected with one side of the movable block, the stop ring is sleeved on the arc surface of the main shaft, a plurality of clamping grooves are formed in one side of the stop ring, and the positions of the clamping grooves correspond to the positions of a plurality of clamping blocks one by one.
Preferably, a clamping ring is fixedly connected to the inner wall of the movable hole at a position close to one side of the tool rest body, a limiting ring is fixedly connected to the arc surface of the positioning rod, the arc surface of the limiting ring is tightly attached to the inner wall of the movable hole and is in sliding connection with the inner wall of the movable hole, a spring A is sleeved at a position between the clamping ring and the limiting ring, and two ends of the spring A are respectively abutted to the clamping ring and the limiting ring.
Preferably, the arc surface of the piston rod is sleeved with a spring B, and two ends of the spring B are fixedly connected with the piston rod and the clamping block respectively.
Preferably, the infrared sensor is installed to the draw-in groove inner wall for one side of fixture block, the pilot lamp is installed to one side of fixture block for infrared sensor, infrared sensor and pilot lamp all link to each other with the controller of digit control machine tool.
Preferably, the infrared sensor is installed at a position of the clamping groove which is biased to one side.
The beneficial effects of the invention are as follows:
1. according to the invention, through the arrangement of the positioning structure, hydraulic oil in the communication hole is extruded, so that the hydraulic oil is pressed into the circular through groove to flow, and the hydraulic oil in the circular through groove is continuously pressed and dispersed into each movable hole, so that the hydraulic oil in the movable holes is extruded outwards to form the positioning rod, the positioning rod is ejected out of the movable holes until being inserted into the positioning holes formed in the surface of the mounting seat, the rotated tool rest body is accurately positioned, and meanwhile, the intervals between the movable holes and the positioning holes are uniform, so that indexing positioning is carried out on the tool on the surface of the tool rest body.
2. According to the invention, through the arrangement of the adjusting structure, the piston rods at two sides of the clamping block are compressed, so that hydraulic oil in the clamping block is pressed, the hydraulic oil is extruded to the position of the vertical oil through hole, the hydraulic oil in the horizontal oil through hole is extruded by the hydraulic oil of the vertical oil through hole, and the front end positioning structure is further communicated, so that the positioning of the tool rest body is realized.
3. According to the invention, through the arrangement of the stopping structure, when the tool rest body is required to be stopped, the motor drives the screw rod to rotate, so that the movable block pushes forwards, the stopping ring is clamped into the gap of the clamping block on the surface of the front-side lantern ring, then under the inertial effect of the stopping rotation of the tool rest body, the main shaft drives the lantern ring to continue to rotate, the piston rod on one side of the clamping block is abutted to the clamping groove on the surface of the stopping ring, the piston rod is pressed into the clamping block under pressure, the inner space of the clamping block is extruded, hydraulic oil is pressed to flow to the position of the vertical oil through the vertical oil hole, then enters the positioning structure through the transverse oil hole, and is pushed out of the positioning rod to be inserted into the positioning hole for positioning, so that the hydraulic oil is not required to be driven by an external oil pump, under the inertial effect generated by the self weight of the tool rest body, the buffering force can be used for fixing the tool rest body, the cost is effectively saved, and the durability of the tool rest body is improved.
4. According to the invention, through the arrangement of the stopping structure and the arrangement of the infrared sensor, the controller of the numerical control machine controls the operation of the infrared sensor, when the tool bit at the designated position of the tool holder body is required to be used, the indicator lamp on the clamping block corresponding to the position of the tool bit is lightened, meanwhile, the infrared sensor corresponding to the position to which the target tool bit is required to be rotated works, when the infrared sensor senses the indicator lamp on one side of the clamping block, the infrared sensor is sent to the controller, then the controller of the numerical control machine controls the motor to drive the stopping ring to move forward and insert the gap position of the clamping block, so that the accurate transfer and positioning of the tool is completed, and in addition, as the infrared sensor is arranged on the clamping groove in an offset manner, a certain time is reserved for obtaining signals and transmitting the signals to the controller to control the working process of the motor, and the stopping ring can be accurately inserted and positioned.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view showing the internal structure of the tool holder body according to the present invention;
FIG. 3 is a side cross-sectional view of the present invention showing the internal structure of the entire device;
FIG. 4 is an enlarged view of the invention at A in FIG. 3;
FIG. 5 is a cross-sectional view showing the internal structure of the mounting base of the present invention;
FIG. 6 is a cross-sectional view of the internal structure of the mounting base of the present invention for showing the other side;
FIG. 7 is an enlarged view of the invention at B in FIG. 6;
fig. 8 is a schematic diagram of the present invention for showing the collar and stop ring and both surface structures separately.
In the figure: 1. a tool holder body; 11. a main shaft; 2. a mounting base; 21. a square groove; 3. a positioning structure; 31. a circular through groove; 32. a semicircle block; 33. a movable hole; 331. a positioning rod; 332. positioning holes; 333. a clasp; 334. a limiting ring; 335. a spring A; 34. a communication hole; 4. an adjustment structure; 41. a collar; 42. a clamping block; 421. a piston rod; 422. a spring B; 43. vertically arranging an oil through hole; 44. a transverse oil through hole is formed; 45. an indicator light; 5. a stop structure; 51. a screw rod; 52. a motor; 53. a movable block; 54. a stop ring; 541. a clamping groove; 542. and an infrared sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 8, the embodiment of the invention provides an indexing positioning mechanism of a turret tool rest, which comprises a tool rest body 1 and a mounting seat 2, wherein the tool rest body 1 is positioned on one side of the mounting seat 2, a plurality of planes for connecting tool bits are respectively arranged on the arc surface of the tool rest body 1, a main shaft 11 is fixedly connected to one side of the tool rest body 1 near the center, the main shaft 11 penetrates through the mounting seat 2, one end of the main shaft 11 is used for being connected with an external speed reduction driving device, a positioning structure 3 for fixing the tool rest body 1 after rotating is arranged in the tool rest body 1, an adjusting structure 4 for buffering the stop of the tool rest body 1 is arranged in the main shaft 11 and on the arc surface of the main shaft 11, and stop structures 5 for stopping the rotation of the main shaft 11 are arranged on two sides of the mounting seat 2 near the main shaft 11.
The working principle and beneficial effects of the technical scheme are as follows: through the linkage setting of location structure 3, regulation structure 4 and stop structure 5, by stop structure 5 to fix a position regulation structure 4, regulation structure 4 is used for buffering main shaft 11 and knife rest body 1, provides the location actuating force for location structure 3 simultaneously, makes location structure 3 fix knife rest body 1.
As shown in fig. 2 and 3, in this embodiment, the positioning structure 3 includes a circular through slot 31 formed in the tool rest body 1, two side positions of the inner wall of the circular through slot 31, which are close to the central axis, are fixedly connected with semicircular blocks 32, a communication hole 34 is formed in the center position of the inner wall of the circular through slot 31, a plurality of movable holes 33 are formed in the circumferential position of the tool rest body 1, which is close to the circular through slot 31, the position of each movable hole 33 corresponds to the plane of the tool rest body 1, one side of each movable hole 33 is led out of the tool rest body 1, a positioning rod 331 is arranged on the inner wall of each movable hole 33 in a penetrating manner, a plurality of positioning holes 332 are formed on one side of the mounting seat 2, which is opposite to the tool rest body 1, each positioning hole 332 corresponds to each movable hole 33, and the communication hole 34, the circular through slot 31 and the plurality of movable holes 33 are filled with hydraulic oil.
The working principle and beneficial effects of the technical scheme are as follows: through the hydraulic oil in the extrusion communication hole 34, the hydraulic oil is pressed to flow into the circular through groove 31, and the hydraulic oil in the circular through groove 31 is continuously pressed and dispersed into each movable hole 33, so that the hydraulic oil in the movable holes 33 outwards extrudes the positioning rod 331, the positioning rod 331 is ejected out of the movable holes 33 until being inserted into the positioning holes 332 formed in the surface of the mounting seat 2, and then the rotated tool rest body 1 is accurately positioned, and meanwhile, the intervals between the plurality of movable holes 33 and the positioning holes 332 are uniform, so that the indexing positioning is performed on the tool on the surface of the tool rest body 1.
As shown in fig. 5 to 8, in this embodiment, the adjusting structure 4 includes a collar 41 fixedly connected to the arc surface of the main shaft 11, a plurality of clamping blocks 42 are fixedly connected to the arc surface of the collar 41 at uniform intervals, piston rods 421 are respectively disposed on two sides of the clamping blocks 42, a transverse oil through hole 44 is disposed at a central axis position inside the main shaft 11, the transverse oil through hole 44 is connected with the communication hole 34, a plurality of vertical oil through holes 43 are disposed at positions inside the main shaft 11 corresponding to the plurality of clamping blocks 42, the vertical oil through holes 43 are connected with the transverse oil through holes 44, the vertical oil through holes 43 are communicated with the inside of the clamping blocks 42, and hydraulic oil is filled in the inside of the clamping blocks 42, the vertical oil through holes 43 and the transverse oil through holes 44.
The working principle and beneficial effects of the technical scheme are as follows: through the piston rod 421 of compression fixture block 42 both sides, and then make the inside hydraulic oil of fixture block 42 pressurized, to erect the hydraulic oil of oil through hole 43 position extrusion, erect the hydraulic oil of oil through hole 43 and extrude the hydraulic oil in the horizontal oil through hole 44, and then communicate front end location structure 3, realize the location of knife rest body 1.
As shown in fig. 5 and 8, in this embodiment, square grooves 21 are formed in the two sides of the mounting seat 2, which are close to the main shaft 11, the stop structure 5 includes a screw rod 51 penetrating through and rotationally connected to the square grooves 21, two motors 52 are mounted on one side of the mounting seat 2 corresponding to the position of the screw rod 51, the output end of the motors 52 is fixedly connected with the screw rod 51, a movable block 53 is in threaded connection with an arc surface of the screw rod 51, a stop ring 54 is fixedly connected to one side of the movable block 53, the stop ring 54 is sleeved on the arc surface of the main shaft 11, a plurality of clamping grooves 541 are formed in one side of the stop ring 54, and the positions of the plurality of clamping grooves 541 correspond to the positions of the plurality of clamping blocks 42 one by one.
The working principle and beneficial effects of the technical scheme are as follows: through the setting of stop structure 5 for when needs stop knife rest body 1, motor 52 drives lead screw 51 and rotates, and then make movable block 53 push forward, will stop the ring 54 card and go into the clearance of front side lantern ring 41 surface fixture block 42, then under the inertial action that knife rest body 1 stopped pivoted, main shaft 11 drives the lantern ring 41 and continues to rotate, make the piston rod 421 of fixture block 42 one side butt to stop in the draw-in groove 541 on ring 54 surface, the piston rod 421 is pressed and is pressed into fixture block 42 inside, and then the extrusion fixture block 42 inner space, make hydraulic oil pressurized flow to the position of vertical oil through the position, and then reenter in location structure 3 through horizontal oil hole 44, release locating lever 331, insert in the locating hole 332 and fix a position, thereby make hydraulic oil need not the drive of outside oil pump, under the inertial action that the dead weight produced by knife rest body 1 itself, both had buffered knife rest body 1, the force of buffering is by can be fixed knife rest body 1 simultaneously.
As shown in fig. 4, a snap ring 333 is fixedly connected to a position of the inner wall of the movable hole 33 near one side of the tool holder body 1, a limiting ring 334 is fixedly connected to an arc surface of the positioning rod 331, the arc surface of the limiting ring 334 is tightly attached to the inner wall of the movable hole 33 and is in sliding connection with the inner wall of the movable hole 33, a spring a335 is sleeved at a position between the snap ring 333 and the limiting ring 334, and two ends of the spring a335 are respectively abutted to the snap ring 333 and the limiting ring 334.
The working principle and beneficial effects of the technical scheme are as follows: through the setting of spring A335, when hydraulic oil ejects locating lever 331, under the effect of spacing ring 334, compression spring A335, locating lever 331 inserts in locating hole 332 and fixes a position knife rest body 1, and when hydraulic oil is retrieved, the spring can drive locating lever 331 and return to the activity downthehole fast to guarantee knife rest body 1 when needs rotate quick response.
As shown in fig. 7, a spring B422 is sleeved on the circular arc surface of the piston rod 421, and two ends of the spring B422 are fixedly connected with the piston rod 421 and the clamping block 42 respectively.
The working principle and beneficial effects of the technical scheme are as follows: through the setting of spring B422, shift out backward at stop ring 54, when main shaft 11 can rotate, spring B422 can drive piston rod 421 and pop out the alignment fast, and then makes positioning rod 331 in location structure 3 can be under the effect of spring A335 alignment, and then cancel the location to knife rest body 1.
As shown in fig. 5, 7 and 8, an infrared sensor 542 is installed on one side of the inner wall of the clamping groove 541 opposite to the clamping block 42, an indicator lamp 45 is installed on one side of the clamping block 42 opposite to the infrared sensor 542, and the infrared sensor 542 and the indicator lamp 45 are connected with a controller of the numerically-controlled machine tool.
The working principle and beneficial effects of the technical scheme are as follows: through the setting of infrared sensor 542, control by the controller of digit control machine tool, when the tool bit of tool holder body 1 assigned position is used to needs, the pilot lamp 45 on the fixture block 42 that corresponds this tool bit position lights up, simultaneously, the infrared sensor 542 that the target tool bit needs to be rotated to the position corresponds works, when infrared sensor 542 sensed the pilot lamp 45 of fixture block 42 one side, send the controller, then the controller of digit control machine tool is control motor 52 drive promptly, drive stop ring 54 forward movement, insert fixture block 42 gap position, thereby accomplish the accurate transfer and the location of cutter.
The infrared sensor 542 is attached to the card slot 541 at a position offset to one side.
The working principle and beneficial effects of the technical scheme are as follows: by mounting the infrared sensor 542 in a biased manner, after the infrared sensor 542 senses the indicator lamp 45 and sends out a signal, redundant time is reserved for the motor 52 to drive, so that the stop ring 54 is accurately inserted into a gap between the clamping blocks 42, and the problem that the stop ring 54 collides with the clamping blocks 42 is avoided.
Working principle and using flow:
the main shaft 11 rotates under the drive of an external speed reduction driving device, thereby driving the tool rest body 1 to rotate, so as to adjust the tool bit arranged on the surface of the tool rest body 1 to rotate to a processing position, when the tool bit arranged on a certain position on the surface of the tool rest body 1 needs to be adjusted, the controller controls the indicator lamp 45 corresponding to the tool bit position to be lightened, the main shaft 11 rotates, drives the tool rest body 1 to rotate, after reaching a preset processing position, the infrared sensor 542 senses the indicator lamp 45 and sends a signal to the controller, the controller controls the main shaft 11 to stop rotating, and simultaneously starts the motor 52, the motor 52 outputs, so that the stop ring 54 is clamped in a gap between the adjacent clamping blocks 42 on the surface of the front sleeve ring 41, at the moment, due to the dead weight of the tool rest body 1, after the main shaft 11 stops rotating, the tool rest body 1 continues rotating due to inertia, so as to drive the piston rod 421 on one side of the clamping blocks 42 to extrude hydraulic oil in the clamping blocks 42, the hydraulic oil is all the way extruded by the vertical oil holes 44, the communication holes 34, the round through the positioning rod 331 and the movable hole 33, at the moment, the positioning rod 331 is pushed out, and inserted into the positioning hole 332, thereby fixing the tool rest body 1, and the tool bit also reaches the preset processing position.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The indexing and positioning mechanism of the turret tool rest comprises a tool rest body (1) and a mounting seat (2), and is characterized in that: the novel tool rest comprises a tool rest body (1), a mounting seat (2), a plurality of planes used for connecting a tool bit are respectively arranged on the arc surface of the tool rest body (1), a main shaft (11) is fixedly connected to one side of the tool rest body (1) close to the center, the main shaft (11) penetrates through the mounting seat (2), one end of the main shaft (11) is used for being connected with an external speed reduction driving device, a positioning structure (3) used for fixing the tool rest body (1) after rotating is arranged in the tool rest body (1), an adjusting structure (4) used for buffering stopping of the tool rest body (1) is arranged in the main shaft (11) and on the arc surface of the main shaft, and stopping structures (5) used for stopping rotation of the main shaft (11) are arranged at two side positions, close to the main shaft (11), of the inside of the mounting seat (2);
the positioning structure (3) comprises circular through grooves (31) formed in the tool rest body (1), semicircular blocks (32) are fixedly connected to the positions, close to the central axis, of the inner wall of each circular through groove (31), communication holes (34) are formed in the center of the inner wall of each circular through groove (31), a plurality of movable holes (33) are formed in the circumference, close to the circular through grooves (31), of the tool rest body (1), the positions of each movable hole (33) correspond to the plane of a tool bit connected with the outside of the tool rest body (1), one side of each movable hole (33) is led out of the tool rest body (1), positioning rods (331) are penetrated into the inner wall of each movable hole (33), a plurality of positioning holes (332) are formed in one side, close to the tool rest body (1), of each mounting seat (2), and the communication holes (34), the circular through grooves (31) and the movable holes (33) are filled with hydraulic oil one by one;
the adjusting structure (4) comprises a lantern ring (41) fixedly connected to an arc surface of the main shaft (11), a plurality of clamping blocks (42) are fixedly connected to the arc surface of the lantern ring (41) at equal intervals, piston rods (421) are respectively arranged on two sides of the clamping blocks (42) in a penetrating mode, transverse oil through holes (44) are formed in the central axis position of the inside of the main shaft (11), the transverse oil through holes (44) are connected with the communication holes (34), a plurality of vertical oil through holes (43) are formed in the inside of the main shaft (11) corresponding to the positions of the plurality of clamping blocks (42), the vertical oil through holes (43) are connected with the transverse oil through holes (44), the vertical oil through holes (43) are communicated with the inside of the clamping blocks (42), and hydraulic oil is filled in the inside of the clamping blocks (42), the vertical oil through holes (43) and the inside of the transverse oil through holes (44);
square grooves (21) are formed in the mounting seat (2) at positions close to two sides of the main shaft (11), the stop structure (5) comprises a screw rod (51) penetrating through and rotatably connected in the square grooves (21), two motors (52) are arranged at positions, corresponding to the screw rod (51), on one side of the mounting seat (2), of the mounting seat, the output ends of the motors (52) are fixedly connected with the screw rod (51), movable blocks (53) are connected with the circular arc surfaces of the screw rod (51) in a threaded mode, a stop ring (54) is fixedly connected to one side of each movable block (53), the stop ring (54) is sleeved on the circular arc surface of the main shaft (11), a plurality of clamping grooves (541) are formed in one side of each stop ring (54), and the positions of the clamping grooves (541) correspond to the positions of a plurality of clamping blocks (42) one by one;
an infrared sensor (542) is arranged on one side of the inner wall of the clamping groove (541) opposite to the clamping block (42), an indicator lamp (45) is arranged on one side of the clamping block (42) opposite to the infrared sensor (542), and the infrared sensor (542) and the indicator lamp (45) are connected with a controller of the numerical control machine tool.
2. An indexing mechanism for a turret tool rest according to claim 1, wherein: the utility model discloses a tool rest, including tool rest body (1), locating lever (335), locating lever (331) inner wall be close to tool rest body (1) one side position fixedly connected with snap ring (333), the arc surface of locating lever (331) is fixed closely and sliding connection with moving hole (33) inner wall, the position cover that locating lever (331) arc surface is located between snap ring (333) and spacing ring (334) has spring A (335), the both ends of spring A (335) respectively with snap ring (333) and spacing ring (334) butt.
3. An indexing mechanism for a turret tool rest according to claim 1, wherein: the arc surface of the piston rod (421) is sleeved with a spring B (422), and two ends of the spring B (422) are fixedly connected with the piston rod (421) and the clamping block (42) respectively.
4. An indexing mechanism for a turret tool rest according to claim 1, wherein: the infrared sensor (542) is mounted at a position where the clamping groove (541) is biased to one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311022363.0A CN116727711B (en) | 2023-08-15 | 2023-08-15 | Indexing positioning mechanism of turret tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311022363.0A CN116727711B (en) | 2023-08-15 | 2023-08-15 | Indexing positioning mechanism of turret tool rest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116727711A CN116727711A (en) | 2023-09-12 |
| CN116727711B true CN116727711B (en) | 2023-10-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05261605A (en) * | 1992-03-18 | 1993-10-12 | Okuma Mach Works Ltd | Indexing mechanism of toolrest |
| CN201511268U (en) * | 2009-05-19 | 2010-06-23 | 陈广寨 | Turret-style tool changing mechanism |
| CN101966663A (en) * | 2010-08-18 | 2011-02-09 | 武汉重型机床集团有限公司 | Axis indexing and positioning structure |
| CN102975081A (en) * | 2012-11-23 | 2013-03-20 | 沈阳工业大学 | Indexing and positioning mechanism of rotary-tower knifetool rest |
| JP2019181653A (en) * | 2018-04-17 | 2019-10-24 | 株式会社ツガミ | Machine tool |
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2023
- 2023-08-15 CN CN202311022363.0A patent/CN116727711B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05261605A (en) * | 1992-03-18 | 1993-10-12 | Okuma Mach Works Ltd | Indexing mechanism of toolrest |
| CN201511268U (en) * | 2009-05-19 | 2010-06-23 | 陈广寨 | Turret-style tool changing mechanism |
| CN101966663A (en) * | 2010-08-18 | 2011-02-09 | 武汉重型机床集团有限公司 | Axis indexing and positioning structure |
| CN102975081A (en) * | 2012-11-23 | 2013-03-20 | 沈阳工业大学 | Indexing and positioning mechanism of rotary-tower knifetool rest |
| JP2019181653A (en) * | 2018-04-17 | 2019-10-24 | 株式会社ツガミ | Machine tool |
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| CN116727711A (en) | 2023-09-12 |
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