CN218575720U - Micron-sized guide pillar hole machining device - Google Patents
Micron-sized guide pillar hole machining device Download PDFInfo
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- CN218575720U CN218575720U CN202120018604.4U CN202120018604U CN218575720U CN 218575720 U CN218575720 U CN 218575720U CN 202120018604 U CN202120018604 U CN 202120018604U CN 218575720 U CN218575720 U CN 218575720U
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Abstract
The utility model discloses a micron order guide post hole processingequipment. It includes the frame, install the processing unit head on the frame, the bottom of processing unit head is fixed with the fixed block, the sliding block is installed to the lower terminal surface of fixed block, sliding block and fixed block sliding connection, the lower terminal surface of sliding block is installed and is rotated the sleeve, it rotates with the sliding block and connects to rotate the sleeve, the grinding roller is installed to the bottom of rotating the sleeve, grinding roller and rotating sleeve sliding connection. The utility model has the advantages that: the size error of the guide post hole can be controlled to be +/-0.001 mm, so that the precision of the guide post hole is improved, the positioning precision of other processing technologies is greatly improved, the smaller the eccentricity value between a processed cavity and a core is, the smaller the eccentricity value is, the more uniform the wall thickness of a product after injection molding is, or the better the concentricity of the product is, and the overall quality of the product and the yield of the product are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of guide pillar and specifically relates to indicate a micron order guide pillar hole processingequipment.
Background
The guide post is used in the die and is combined with the assembly to use, so that the die is ensured to movably guide the guide element of the die stroke in accurate positioning, the guide post is an indispensable part in the die and plays roles in guiding, supporting and positioning. Because the roundness of the guide post has high technological requirements, a guide post hole (central hole) is generally drilled on the guide post, and then the outer diameter of the guide post is ground by adopting a cylindrical grinding machine. The machining process of the guide pillar hole is also one of the critical factors for determining the quality of the die.
The traditional guide pillar hole processing is generally performed by drilling a hole by a drill and then performing reamer processing or numerical control machine tool processing, and the processed precision (roundness, concentricity, coaxiality, verticality and the like) can be controlled to be only 0.005mm-0.01mm, but cannot be controlled to be in a micron level.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome among the prior art not enough that guide pillar hole machining precision is low, provide a micron order guide pillar hole processingequipment that machining precision is high.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a micron order guide post hole processingequipment, includes the frame, install the processing unit head on the frame, the bottom of processing unit head is fixed with the fixed block, the sliding block is installed to the lower terminal surface of fixed block, sliding block and fixed block sliding connection, the lower terminal surface of sliding block is installed and is rotated the sleeve, it rotates the connection to rotate sleeve and sliding block, rotate the telescopic bottom and install the grinding roller, grinding roller and rotation sleeve sliding connection.
The processing power head drives the fixed block to rotate, and the sliding block is controlled to move on the fixed block along the direction of the eccentric radius at the same time, so that the purpose of radial feeding of the grinding roller to the inner side wall of the guide post hole is achieved. When the grinding roller is radially carried out, the grinding roller is controlled to slide up and down relative to the rotating sleeve, the inner side wall of the guide post hole is subjected to insert grinding, the semi-finish machining of the guide post hole is realized, and the size error of the guide post hole is controlled to be +/-0.003 mm; then, the rotating sleeve is controlled to rotate on the sliding block, the grinding roller is driven to rotate, the inner side wall of the guide post hole is further ground, fine machining of the guide post hole is achieved, and the size error of the guide post hole is controlled to be +/-0.001 mm. Through will insert and grind and coordinate grinds twice process integration on a device, reduce the clamping number of times of guide post hole in the course of working, avoided the inaccurate problem in location that many times clamping brought, reduced middle transportation and bruise, press from both sides and hinder and wipe the flower problem, guaranteed the machining precision in micron order guide post hole, still reduced equipment cost simultaneously, improved production efficiency. Meanwhile, the accuracy of the guide post hole is improved, the positioning accuracy of other processing technologies is greatly improved, and the eccentric value between the processed cavity and the core is smaller. The smaller the eccentricity value is, the more uniform the wall thickness of the product after injection molding is, or the better the concentricity of the product is, and the overall quality of the product and the yield of the product are greatly improved.
Preferably, the processing unit head is including fixing the cylinder on the frame, be fixed with rotating electrical machines one on the cylinder, rotating electrical machines one is located the below of cylinder, the fixed block is installed on rotating electrical machines one and is located the below of rotating electrical machines one, install anchor clamps on the frame, anchor clamps are located the below of grinding roller, cylinder, rotating electrical machines one, fixed block and anchor clamps all are located same vertical line. The clamp is used for clamping the guide post and fixing the guide post below the grinding roller; the cylinder is used for controlling the grinding roller to move up and down and moving the grinding roller to the inner part of the guide pillar hole; the first rotating motor is used for driving the fixed block to rotate, and the first rotating motor moves on the fixed block along the direction of the eccentric radius through the sliding block, so that the purpose that the grinding roller performs radial feeding on the inner side wall of the guide post hole is achieved.
As preferred, the inside of fixed block is equipped with the fixed block cavity, the central point of fixed block cavity top surface puts and is equipped with the fixed block spout, install electric jar on the bottom surface of fixed block spout, be equipped with the slip post in the fixed block spout, the top of slip post is installed on electric jar and through electric jar and fixed block spout sliding connection, be equipped with a plurality of spouts one on the bottom surface of fixed block cavity, the quantity of sliding block is corresponding with the quantity of spout one, a spout center about fixed block cavity bottom surface be the annular and distribute, the sliding block install in spout one and with spout sliding connection, install the connecting rod between the top surface of sliding block and the bottom surface of slip post, sliding block and slip post all rotate with the connecting rod and are connected. Through the up-and-down slip of electric cylinder control slip post, under the transmission effect of connecting rod, drive the sliding block and slide along the direction of spout one to the realization grinding roller carries out the purpose that radially feeds to the inside wall in guide pillar hole.
Preferably, a sliding block groove matched with the rotating sleeve is formed in the bottom surface of the sliding block, the top of the rotating sleeve is installed in the sliding block groove and is rotationally connected with the sliding block groove, a sleeve sliding groove is formed in the bottom surface of the rotating sleeve, a grinding roller sliding rod matched with the sleeve sliding groove is fixed to the top of the grinding roller, the grinding roller is installed at the bottom of the rotating sleeve through the matching of the grinding roller sliding rod and the sleeve sliding groove and is slidably connected with the sleeve sliding groove, a first spring is fixed between the top of the grinding roller sliding rod and the bottom surface of the sleeve sliding groove, a clamping groove is installed at the opening of the sleeve sliding groove, and a buckle matched with the clamping groove is fixed to the bottom of the grinding roller sliding rod. Through the design of sleeve spout and grinding roller slide bar, realize on the one hand that the grinding roller rotates the sleeve relatively and carries out gliding purpose from top to bottom, on the other hand also plays certain guide effect to the slip of grinding roller, has improved the stability of grinding roller during operation. When the slotting is not carried out, the spring has certain contraction force, the grinding roller is pressed at the bottom of the rotating sleeve under the action of the contraction force, and the grinding roller is further fixed at the bottom of the rotating sleeve in the matching of the buckle and the clamping groove.
Preferably, a second rotating motor is installed on the bottom surface of the sliding block groove, a first rotating shaft is installed on the second rotating motor, a first bevel gear is installed on the first rotating shaft, a second rotating shaft is installed inside the rotating sleeve and perpendicular to the first rotating shaft and the second rotating shaft, a second bevel gear and a cam are fixed on the second rotating shaft and meshed with the first bevel gear and the second bevel gear, a guide post matched with the inside of the rotating sleeve is fixed at the top of the grinding roller and arranged in the rotating sleeve and in sliding connection with the rotating sleeve, the upper end face of the guide post is in contact with the outer side face of the cam, a pressure sensor and a single chip microcomputer are installed in the grinding roller, the pressure sensor is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with the second rotating motor, and the single chip microcomputer is electrically connected with an electric cylinder. When the processing power head controls the grinding roller to be in place in the guide pillar hole, the single chip microcomputer controls the pressure sensor to start working, the grinding roller is not in contact with the guide pillar hole at the moment, the pressure sensor detects that the grinding roller has no pressure, the first pressure signal is sent to the single chip microcomputer, the single chip microcomputer controls the electric cylinder to work, the sliding block is driven to move for a first target amount on the first sliding groove along the eccentric radius direction, the grinding roller is enabled to feed a target distance to the inner side wall of the guide pillar hole in the radial direction, in the feeding process, when the grinding roller is in contact with the inner side wall of the guide pillar hole, the pressure sensor detects that the grinding roller bears the pressure of the inner side wall of the guide pillar hole at the moment, the second pressure signal is sent to the single chip microcomputer, the single chip microcomputer controls the rotating motor to move, the rotating shaft II and the cam on the rotating shaft II are driven to rotate under the transmission action of the bevel gear, then the guide pillar is driven to slide up and down in the rotating sleeve through the rotary motion of the cam, the grinding roller is driven to slide up and down relative to slide to the inner side wall of the guide pillar hole, semi-finishing of the guide pillar hole is realized, and the degree of automation is high.
Preferably, the bottom of the sliding block groove is provided with a turntable, the turntable is connected with the sliding block groove in a rotating mode, the rotating sleeve is fixedly connected with the turntable, a first turntable through hole matched with the first rotating shaft is formed in the center of the turntable, the aperture of the first turntable through hole is larger than the outer diameter of the first rotating shaft, the first rotating shaft is arranged in the first turntable through hole, a first bevel gear is arranged on the first rotating shaft and is connected with the first rotating shaft in a sliding mode, the first bevel gear is located below the turntable, a limiting pin is fixed on the first bevel gear, the limiting pin is arranged on the side face of the first rotating shaft, and a second turntable through hole matched with the limiting pin is formed in the turntable. After the grinding roller finishes the insertion grinding of the guide pillar hole, the bevel gear I is controlled to move upwards along the rotating shaft I, on one hand, the bevel gear I and the bevel gear II are separated from each other to stop the insertion grinding, on the other hand, the limiting pin on the bevel gear I is inserted into the rotating through hole II, the bevel gear I and the rotating disk are fixed to drive the rotating disk to rotate, then the rotating sleeve and the grinding roller on the rotating sleeve are driven to rotate, the inner side wall of the guide pillar hole is further ground, and the fine machining of the guide pillar hole is achieved.
Preferably, a rotating shaft cavity is arranged inside the rotating shaft I, an axial opening is formed in the side wall of the rotating shaft cavity, a bevel gear through hole matched with the rotating shaft I is formed in the bevel gear I, a limiting slide block matched with the axial opening is fixed on the inner side wall of the bevel gear through hole, the bevel gear I is installed on the rotating shaft I through the matching of the limiting slide block and the axial opening and is in sliding connection with the rotating shaft I, an iron block is connected in the rotating shaft cavity in a sliding mode, the iron block is fixedly connected with the limiting slide block, an electromagnetic generator matched with the iron block is installed on the top surface of the rotating shaft cavity, the electromagnetic generator is electrically connected with the single chip microcomputer, and a spring II is fixed between the bottom surface of the rotating shaft cavity and the iron block. When the grinding roller was inserted with the inside wall in guide post hole and was ground the end, the inside wall in guide post hole also disappeared along with it to the pressure of grinding roller, and pressure sensor carried out the third time and detected this moment, detected the grinding roller and had no pressure, sent the singlechip with third pressure signal, singlechip control electromagnetic generator and electric jar simultaneous working: the electromagnetic generator generates a magnetic field, attracts the iron block, drives the bevel gear I to move upwards to be separated from the bevel gear II and fixed with the rotating disc, and at the moment, the rotating disc starts to rotate under the driving of the bevel gear I so as to drive the rotating sleeve and the grinding rollers on the rotating sleeve to rotate automatically; the electric cylinder drives the sliding block to move a second target amount along the direction of the eccentric radius on the first sliding groove, so that the grinding roller radially feeds the target distance to the inner side wall of the guide post hole again, the inner side wall of the guide post hole is further ground through the rotation of the grinding roller, the fine machining of the guide post hole is realized, and the degree of automation is high. The second spring plays a role in resetting the first bevel gear.
Preferably, the limit pin comprises a fixed chute fixed on the back of the bevel gear I, a pin rod matched with the turntable through hole II is connected in the fixed chute in a sliding manner, a spring III is fixed between one end of the pin rod and the bottom surface of the fixed chute, a magnetic block is fixed at the other end of the pin rod, a chute II corresponding to the turntable through hole II is arranged on the bottom surface of the sliding block groove, a magnetic pin is connected in the chute II in a sliding manner, the magnetic poles on the two opposite surfaces of the magnetic block and the magnetic pin are the same, and a spring IV is fixed between the magnetic pin and the bottom surface of the chute II. When the insert grinding process is carried out, the magnetic pin is inserted into the second through hole of the turntable to fix the turntable; when the bevel gear I is further ground, the pin rod on the bevel gear I needs to be inserted into the second through hole of the rotary table, a certain buffering effect is achieved on the pin rod in the process of being inserted into the second through hole of the rotary table through the design of the fixed sliding groove and the spring III, the magnetic pin can be ejected out of the second through hole of the rotary table through the design of the magnetic block when the pin rod is close to the second through hole of the rotary table, the fixing effect of the magnetic pin on the rotary table is removed, and the rotary table can be smoothly driven to rotate by the bevel gear I. Wherein the spring IV plays a role in resetting the magnetic pin.
The utility model has the advantages that: the size error of the guide post hole can be controlled to be +/-0.001 mm, so that the precision of the guide post hole is improved, the positioning precision of other processing technologies is greatly improved, the smaller the eccentricity value between a processed cavity and a core is, the smaller the eccentricity value is, the more uniform the wall thickness of an injection molded product is, or the better the concentricity of the product is, and the overall quality of the product and the yield of the product are greatly improved; the clamping times of the guide post hole in the machining process are reduced, the problem of inaccurate positioning caused by multiple clamping is avoided, the problems of middle transfer, collision, clamping and scratching are reduced, the machining precision of the micron-sized guide post hole is ensured, the equipment cost is reduced, and the production efficiency is improved; the stability of the grinding roller during operation is improved; the automation degree is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural connection diagram between the fixed block and the sliding block in FIG. 1;
FIG. 3 is a view of the structural connections between the slider, rotating sleeve and grinding roll of FIG. 1;
FIG. 4 is an enlarged view at A in FIG. 3;
fig. 5 is a structural connection diagram between the first rotating shaft and the first bevel gear in fig. 4.
In the figure: 1. the device comprises a cylinder, 2 rotating motors I, 3 fixing blocks, 4 sliding blocks, 5 rotating sleeves, 6 grinding rollers, 7 clamps, 8 engine bases, 9 fixing block cavities, 10 sliding grooves I, 11 connecting rods, 12 sliding columns, 13 fixing block sliding grooves, 14 electric cylinders, 15 rotating discs, 16 sliding block grooves, 17 sleeve sliding grooves, 18 springs I, 19 grinding roller sliding rods, 20 clamping grooves, 21 clamping buckles, 22 guiding columns, 23 cams, 24 rotating shafts II, 25, a second rotating disc through hole, 26, a magnetic block, 27, a pin rod, 28, a fixed sliding groove, 29, a third spring, 30, a second bevel gear, 31, a first bevel gear, 32, a first rotating shaft, 33, a first rotating disc through hole, 34, a second rotating motor, 35, a magnetic pin, 36, a fourth spring, 37, a second sliding groove, 38, an electromagnetic generator, 39, a rotating shaft cavity, 40, an axial opening, 41, a bevel gear through hole, 42, a limiting sliding block, 43, a second spring and 44, and an iron block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
In the embodiment shown in fig. 1, a micron-sized guide post hole machining device comprises a base 8, a machining power head is mounted on the base 8, a fixed block 3 is fixed at the bottom of the machining power head, a sliding block 4 is mounted on the lower end face of the fixed block 3, the sliding block 4 is slidably connected with the fixed block 3, a rotating sleeve 5 is mounted on the lower end face of the sliding block 4, the rotating sleeve 5 is rotatably connected with the sliding block 4, a grinding roller 6 is mounted at the bottom of the rotating sleeve 5, and the grinding roller 6 is slidably connected with the rotating sleeve 5.
As shown in fig. 1, the machining power head comprises a cylinder 1 fixed on a base 8, a first rotating motor 2 is fixed on the cylinder 1, the first rotating motor 2 is located below the cylinder 1, a fixing block 3 is installed on the first rotating motor 2 and located below the first rotating motor 2, a clamp 7 is installed on the base 8, the clamp 7 is located below a grinding roller 6, and the cylinder 1, the first rotating motor 2, the fixing block 3 and the clamp 7 are all located on the same vertical line.
As shown in fig. 2, a fixed block cavity 9 is arranged inside the fixed block 3, a fixed block chute 13 is arranged at the center of the top surface of the fixed block cavity 9, an electric cylinder 14 is installed on the bottom surface of the fixed block chute 13, a sliding column 12 is arranged in the fixed block chute 13, the top of the sliding column 12 is installed on the electric cylinder 14 and is in sliding connection with the fixed block chute 13 through the electric cylinder 14, a plurality of first sliding chutes 10 are arranged on the bottom surface of the fixed block cavity 9, the number of the sliding blocks 4 corresponds to the number of the first sliding chutes 10, the first sliding chutes 10 are distributed annularly about the center of the bottom surface of the fixed block cavity 9, the sliding blocks 4 are installed in the first sliding chutes 10 and are in sliding connection with the first sliding chutes 10, a connecting rod 11 is installed between the top surface of the sliding blocks 4 and the bottom surface of the sliding column 12, and both the sliding blocks 4 and the sliding columns 12 are rotatably connected with the connecting rod 11.
As shown in fig. 3 and 4, a sliding block groove 16 matched with the rotating sleeve 5 is arranged on the bottom surface of the sliding block 4, the top of the rotating sleeve 5 is installed in the sliding block groove 16 and is rotationally connected with the sliding block groove 16, a sleeve sliding groove 17 is arranged on the bottom surface of the rotating sleeve 5, a grinding roller sliding rod 19 matched with the sleeve sliding groove 17 is fixed on the top of the grinding roller 6, the grinding roller 6 is installed at the bottom of the rotating sleeve 5 through the matching of the grinding roller sliding rod 19 and the sleeve sliding groove 17 and is slidably connected with the sleeve sliding groove 17, a first spring 18 is fixed between the top of the grinding roller sliding rod 19 and the bottom surface of the sleeve sliding groove 17, a clamping groove 20 is installed at an opening of the sleeve sliding groove 17, and a buckle 21 matched with the clamping groove 20 is fixed at the bottom of the grinding roller sliding rod 19.
As shown in fig. 3 and 4, a second rotating motor 34 is installed on the bottom surface of the sliding block groove 16, a first rotating shaft 32 is installed on the second rotating motor 34, a first bevel gear 31 is installed on the first rotating shaft 32, a second rotating shaft 24 is installed inside the rotating sleeve 5, the first rotating shaft 32 and the second rotating shaft 24 are perpendicular to each other, a second bevel gear 30 and a cam 23 are fixed on the second rotating shaft 24, the first bevel gear 31 is meshed with the second bevel gear 30, a guide post 22 matched with the inside of the rotating sleeve 5 is fixed on the top of the grinding roller 6, the guide post 22 is arranged in the rotating sleeve 5 and is in sliding connection with the rotating sleeve 5, the upper end surface of the guide post 22 is in contact with the outer side surface of the cam 23, a pressure sensor and a single chip microcomputer are installed in the grinding roller 6, the pressure sensor is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with the second rotating motor 34, and the single chip microcomputer is electrically connected with the electric cylinder 14.
As shown in fig. 3 and 4, a rotating disc 15 is mounted at the bottom of a sliding block groove 16, the rotating disc 15 is rotatably connected with the sliding block groove 16, a rotating sleeve 5 is fixedly connected with the rotating disc 15, a rotating disc through hole one 33 matched with a rotating shaft one 32 is arranged at the central position of the rotating disc 15, the aperture of the rotating disc through hole one 33 is larger than the outer diameter of the rotating shaft one 32, the rotating shaft one 32 is arranged in the rotating disc through hole one 33, a bevel gear one 31 is mounted on the rotating shaft one 32 and is slidably connected with the rotating shaft one 32, the bevel gear one 31 is located below the rotating disc 15, a limit pin is fixed on the bevel gear one 31 and is arranged on the side surface of the rotating shaft one 32, and a rotating disc through hole two 25 matched with the limit pin is arranged on the rotating disc 15.
As shown in fig. 4 and 5, a rotating shaft cavity 39 is formed inside the rotating shaft one 32, an axial opening 40 is formed in a side wall of the rotating shaft cavity 39, a bevel gear through hole 41 matched with the rotating shaft one 32 is formed in the bevel gear one 31, a limiting slide block 42 matched with the axial opening 40 is fixed on an inner side wall of the bevel gear through hole 41, the bevel gear one 31 is installed on the rotating shaft one 32 through matching of the limiting slide block 42 and the axial opening 40 and is in sliding connection with the rotating shaft one 32, an iron block 44 is connected in the rotating shaft cavity 39 in a sliding manner, the iron block 44 is fixedly connected with the limiting slide block 42, an electromagnetic generator 38 matched with the iron block 44 is installed on the top surface of the rotating shaft cavity 39, the electromagnetic generator 38 is electrically connected with the single chip microcomputer, and a second spring 43 is fixed between the bottom surface of the rotating shaft cavity 39 and the iron block 44.
As shown in fig. 3 and 4, the limit pin includes a fixed sliding groove 28 fixed on the back of a first bevel gear 31, a pin rod 27 matched with a second through hole 25 of the turntable is connected in the fixed sliding groove 28 in a sliding manner, a third spring 29 is fixed between one end of the pin rod 27 and the bottom surface of the fixed sliding groove 28, a magnetic block 26 is fixed at the other end of the pin rod 27, a second sliding groove 37 corresponding to the second through hole 25 of the turntable is arranged on the bottom surface of the sliding block groove 16, a magnetic pin 35 is connected in the second sliding groove 37 in a sliding manner, magnetic poles on two opposite surfaces of the magnetic block 26 and the magnetic pin 35 are the same, and a fourth spring 36 is fixed between the magnetic pin 35 and the bottom surface of the second sliding groove 37.
The specific processing flow is as follows:
the guide post is placed on the clamp 7 to be fixed, then the cylinder 1 is controlled to start working, the grinding roller 6 is moved into the guide post hole, and meanwhile the first rotating motor 2 is controlled to work to drive the fixing block 3 to start rotating. At this moment, the single chip microcomputer is started, the pressure sensor is controlled to work, first detection is carried out, no pressure is detected on the grinding roller 6 (the grinding roller 6 is not in contact with the guide post hole), a first pressure signal is sent to the single chip microcomputer, the single chip microcomputer controls the electric cylinder 14 to work, the sliding block 4 is driven to move on the sliding groove I10 by a first target amount along the eccentric radius direction, and then the grinding roller 6 is driven to face the inner side wall of the guide post hole to feed a target distance in the radial direction. In the feeding process, when the grinding roller 6 contacts with the inner side wall of the guide post hole, the pressure sensor detects for the second time, the pressure of the grinding roller 6 on the inner side wall of the guide post hole is detected, a second pressure signal is sent to the single chip microcomputer, the single chip microcomputer controls the second rotating motor 34 to move, the second rotating shaft 24 and the cam 23 on the second rotating shaft are driven to rotate under the transmission action of the bevel gears, then the guide post 22 is driven to slide up and down in the rotating sleeve 5 through the rotary motion of the cam 23, the grinding roller 6 is driven to slide up and down relative to the rotating sleeve 5, the inner side wall of the guide post hole is inserted and ground, and the size after insertion and grinding is controlled to be +/-0.003 mm.
After the grinding roller 6 finishes inserting the grinding to the guide pillar hole, the inside wall in guide pillar hole also disappears along with it to the pressure of grinding roller 6, and pressure sensor carries out the third time and detects that grinding roller 6 does not have pressure this moment, sends the singlechip with third pressure signal, and singlechip control electromagnetic generator 38 and electric jar 14 simultaneous working: the electromagnetic generator 38 generates a magnetic field, attracts the iron block 44, drives the bevel gear one 31 to move upwards to separate from the bevel gear two 30 and fix with the rotating disc 15, at this time, the rotating disc 15 starts to rotate under the drive of the bevel gear one 31, and further drives the rotating sleeve 5 and the grinding roller 6 thereon to rotate, the electric cylinder 14 drives the sliding block 4 to move on the sliding chute one 10 by a second target amount along the eccentric radius direction, so that the grinding roller 6 radially feeds the inner side wall of the guide post hole for a target distance again, the inner side wall of the guide post hole is further ground through the rotation of the grinding roller 6, and the ground size is controlled to be +/-0.001 mm.
Claims (8)
1. The utility model provides a micron order guide pillar hole processingequipment, characterized by, includes frame (8), install the processing unit head on frame (8), the bottom of processing unit head is fixed with fixed block (3), sliding block (4) are installed to the lower terminal surface of fixed block (3), sliding block (4) and fixed block (3) sliding connection, rotating sleeve (5) are installed to the lower terminal surface of sliding block (4), rotating sleeve (5) and sliding block (4) rotate to be connected, grinding roller (6) are installed to the bottom of rotating sleeve (5), grinding roller (6) and rotating sleeve (5) sliding connection.
2. The micron-sized guide post hole machining device according to claim 1, wherein the machining power head comprises a cylinder (1) fixed on a base (8), a first rotating motor (2) is fixed on the cylinder (1), the first rotating motor (2) is located below the cylinder (1), the fixed block (3) is mounted on the first rotating motor (2) and located below the first rotating motor (2), a clamp (7) is mounted on the base (8), the clamp (7) is located below the grinding roller (6), and the cylinder (1), the first rotating motor (2), the fixed block (3) and the clamp (7) are all located on the same vertical line.
3. The micron-sized guide post hole machining device according to claim 1, characterized in that a fixed block cavity (9) is arranged inside the fixed block (3), a fixed block sliding groove (13) is arranged at the center of the top surface of the fixed block cavity (9), an electric cylinder (14) is arranged on the bottom surface of the fixed block sliding groove (13), sliding columns (12) are arranged in the fixed block sliding groove (13), the top of each sliding column (12) is arranged on the electric cylinder (14) and is in sliding connection with the fixed block sliding groove (13) through the electric cylinder (14), a plurality of sliding grooves I (10) are arranged on the bottom surface of the fixed block cavity (9), the number of the sliding blocks (4) corresponds to the number of the sliding grooves I (10), the sliding grooves I (10) are distributed annularly about the center of the bottom surface of the fixed block cavity (9), the sliding blocks (4) are arranged in the sliding grooves I (10) and are in sliding connection with the sliding grooves I (10), connecting rods (11) are arranged between the top surface of the sliding blocks (4) and the sliding columns (12), and the sliding blocks (4) and the sliding columns (12) are rotatably connected with the connecting rods (11).
4. The micron-sized guide post hole machining device according to claim 3, characterized in that a sliding block groove (16) matched with the rotating sleeve (5) is formed in the bottom surface of the sliding block (4), the top of the rotating sleeve (5) is installed in the sliding block groove (16) and is rotatably connected with the sliding block groove (16), a sleeve sliding groove (17) is formed in the bottom surface of the rotating sleeve (5), a grinding roller sliding rod (19) matched with the sleeve sliding groove (17) is fixed at the top of the grinding roller (6), the grinding roller (6) is installed at the bottom of the rotating sleeve (5) through the matching of the grinding roller sliding rod (19) and the sleeve sliding groove (17) and is slidably connected with the sleeve sliding groove (17), a first spring (18) is fixed between the top of the grinding roller sliding rod (19) and the bottom surface of the sleeve sliding groove (17), a clamping groove (20) is installed at an opening of the sleeve sliding groove (17), and a buckle (21) matched with the clamping groove (20) is fixed at the bottom of the grinding roller sliding rod (19).
5. The micron-sized guide post hole machining device according to claim 4, characterized in that a second rotating motor (34) is installed on the bottom surface of the sliding block groove (16), a first rotating shaft (32) is installed on the second rotating motor (34), a first bevel gear (31) is installed on the first rotating shaft (32), a second rotating shaft (24) is installed inside the rotating sleeve (5), the first rotating shaft (32) and the second rotating shaft (24) are perpendicular to each other, a second bevel gear (30) and a cam (23) are fixed on the second rotating shaft (24), the first bevel gear (31) is meshed with the second bevel gear (30), a guide post (22) matched with the inside of the rotating sleeve (5) is fixed on the top of the grinding roller (6), the guide post (22) is placed inside the rotating sleeve (5) and is in sliding connection with the rotating sleeve (5), the upper end face of the guide post (22) is in contact with the outer side face of the cam (23), a pressure sensor and a single chip microcomputer are installed inside the grinding roller (6), the pressure sensor is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with the second rotating motor (34), and the electric cylinder (14) is electrically connected with the single chip microcomputer.
6. The micron-sized guide post hole machining device according to claim 5, wherein a rotating disc (15) is mounted at the bottom of the sliding block groove (16), the rotating disc (15) is rotatably connected with the sliding block groove (16), the rotating sleeve (5) is fixedly connected with the rotating disc (15), a rotating disc through hole I (33) matched with the rotating shaft I (32) is arranged at the central position of the rotating disc (15), the aperture of the rotating disc through hole I (33) is larger than the outer diameter of the rotating shaft I (32), the rotating shaft I (32) is arranged in the rotating disc through hole I (33), the bevel gear I (31) is mounted on the rotating shaft I (32) and is slidably connected with the rotating shaft I (32), the bevel gear I (31) is located below the rotating disc (15), a limiting pin is fixed on the bevel gear I (31) and is arranged on the side face of the rotating shaft I (32), and a rotating disc through hole II (25) matched with the limiting pin is arranged on the rotating disc (15).
7. The micron-sized guide post hole machining device according to claim 6, characterized in that a first rotating shaft cavity (39) is arranged inside the first rotating shaft (32), an axial opening (40) is formed in the side wall of the first rotating shaft cavity (39), a first bevel gear through hole (41) matched with the first rotating shaft (32) is formed in the first bevel gear (31), a limiting slide block (42) matched with the axial opening (40) is fixed on the inner side wall of the bevel gear through hole (41), the first bevel gear (31) is installed on the first rotating shaft (32) through the matching of the limiting slide block (42) and the axial opening (40) and is in sliding connection with the first rotating shaft (32), an iron block (44) is connected in the rotating shaft cavity (39) in a sliding mode, the iron block (44) is fixedly connected with the limiting slide block (42), an electromagnetic generator (38) matched with the iron block (44) is installed on the top surface of the rotating shaft cavity (39), the electromagnetic generator (38) is electrically connected with the iron block (44), and a second spring (43) is fixed between the bottom surface of the rotating shaft cavity (39) and the single chip microcomputer.
8. The micron-sized guide post hole machining device according to claim 7, wherein the limiting pin comprises a fixed sliding groove (28) fixed on the back of a first bevel gear (31), a pin rod (27) matched with a second turntable through hole (25) is connected in the fixed sliding groove (28) in a sliding mode, a third spring (29) is fixed between one end of the pin rod (27) and the bottom surface of the fixed sliding groove (28), a magnetic block (26) is fixed at the other end of the pin rod (27), a second sliding groove (37) corresponding to the second turntable through hole (25) is arranged on the bottom surface of the sliding block groove (16), a magnetic pin (35) is connected in the second sliding groove (37) in a sliding mode, magnetic poles on two opposite surfaces of the magnetic block (26) and the magnetic pin (35) are the same, and a fourth spring (36) is fixed between the magnetic pin (35) and the bottom surface of the second sliding groove (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120018604.4U CN218575720U (en) | 2021-01-06 | 2021-01-06 | Micron-sized guide pillar hole machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120018604.4U CN218575720U (en) | 2021-01-06 | 2021-01-06 | Micron-sized guide pillar hole machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218575720U true CN218575720U (en) | 2023-03-07 |
Family
ID=85359064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120018604.4U Active CN218575720U (en) | 2021-01-06 | 2021-01-06 | Micron-sized guide pillar hole machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218575720U (en) |
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2021
- 2021-01-06 CN CN202120018604.4U patent/CN218575720U/en active Active
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